MEDI CEN MANAGEMENT INC
S-1, 1998-03-16
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  AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON_______________, 1998

                                                   REGISTRATION STATEMENT 333-
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON D.C. 20549

                                    FORM S-1
                             REGISTRATION STATEMENT
                                   UNDER THE
                             SECURITIES ACT OF 1933

                           MEDI-CEN MANAGEMENT, INC.
             (Exact name of registrant as specified in its charter)

<TABLE>
<CAPTION>
<S>           <C>                                           <C>                                      <C>       
              MARYLAND                                      8721                                     52-1892451
    STATE OR OTHER JURISDICTION                 (PRIMARY STANDARD INDUSTRIAL                      (I.R.S. EMPLOYER
 OF INCORPORATION OR ORGANIZATION)              CLASSIFICATION CODE NUMBER)                    IDENTIFICATION NUMBER)
</TABLE>

                        5301 WISCONSIN AVENUE, SUITE 620
                             WASHINGTON, D.C. 20015
                                 (301) 961-2799
   (ADDRESS, INCLUDING ZIP CODE AND TELEPHONE NUMBER, INCLUDING AREA CODE, OF
                    REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)

                               MR. MICHAEL MACEDO
                             CHIEF EXECUTIVE OFFICER
                        5301 WISCONSIN AVENUE, SUITE 620
                             WASHINGTON, D.C. 20015
                                 (301) 961-2799
 (NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE,
                              OF AGENT FOR SERVICE)

                          Copies of Communications to:

    Jeffrey A. Baumel, Esq.                       Elizabeth Hughes, Esq.
    Gibbons, Del Deo, Dolan,                  Venable, Baetjer & Howard, LLP
     Griffinger & Vecchione                    1800 Mercantile Bank & Trust
      One Riverfront Plaza                          Two Hopkins Place
    Newark, New Jersey 07102                       Baltimore, Maryland
        (973) 596-4500                               (410) 244-7400

     APPROXIMATE  DATE OF COMMENCEMENT  PROPOSED SALE TO THE PUBLIC:  As soon as
practicable after the effective date of this Registration Statement.

     If any of the securities being registered on this Form are to be offered on
a delayed or continuous  basis  pursuant to Rule 415 under the Securities Act of
1933, check the following box.

     If this Form is filed to  register  additional  securities  for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering.

     If this Form is a  post-effective  amendment  filed pursuant to Rule 462(c)
under the Securities Act, please check the following box and list the Securities
Act  registration   statement  number  of  the  earlier  effective  registration
statement for the same offering.

     If this Form is a  post-effective  amendment  filed pursuant to Rule 462(d)
under the Securities Act, please check the following box and list the Securities
Act  registration   statement  number  of  the  earlier  effective  registration
statement for the same offering.

     If delivery of the  prospectus is expected to be made pursuant to Rule 434,
please check the following box.

     THE REGISTRANT  HEREBY AMENDS THIS  REGISTRATION  STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER  AMENDMENT  WHICH  SPECIFICALLY  STATES  THAT  THIS  REGISTRATION
STATEMENT SHALL  THEREAFTER  BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES  ACT OF 1933 OR UNTIL THIS  REGISTRATION  STATEMENT  SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION,  ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.

                         CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>
                                                                                      PROPOSED
                                                                                       MAXIMUM
         TITLE OF EACH CLASS                        AMOUNT           PROPOSED         AGGREGATE           AMOUNT
            OF SECURITIES                           TO BE         MAXIMUM PRICE        OFFERING             OF
          TO BE REGISTERED                        REGISTERED     PER SECURITY(1)       PRICE(1)      REGISTRATION FEE
          ----------------                        ----------     ---------------       --------      ----------------
<S>                                               <C>                 <C>            <C>                <C>      
Common Stock, par value $.0024 per share  ....... 2,300,000(2)        $10.00         $23,000,000        $6,969.70
Total Registration Fee  ............................................................................... $6,969.70
</TABLE>

(1)  Estimated solely for purposes of calculating registration fee.

(2)  Includes 300,000 shares of Common Stock subject to an over-allotment option
     granted to the Underwriter. 
<PAGE>

                  SUBJECT TO COMPLETION DATED MARCH 16, 1998

    PROSPECTUS                                                       [LOGO]
                                2,000,000 SHARES

                            MEDI-CEN MANAGEMENT, INC.

                                  COMMON STOCK

[RED HERRING LANGUAGE:  Information contained herein is subject to completion or
amendment.  A registration statement relating to these securities has been filed
with the Securities and Exchange  Commission.  These  securities may not be sold
nor may offers to buy be accepted prior to the time this registration  statement
becomes effective.  This Prospectus shall not constitute an offer to sell or the
solicitation of an offer to buy nor shall there be any sale of these  securities
in any state in which such offer,  solicitation  or sale would be unlawful prior
to registration or qualification under the securities laws of any such state.]

     All of the shares of Common Stock,  par value $0.0024 per share (the Common
Stock)  offered hereby are being sold by Medi-Cen  Management,  Inc. (MMI or the
Company).  Prior to this offering (the Offering),  there has been no significant
public  market for the Common  Stock of the  Company.  For a  discussion  of the
factors  considered  in  determining  the initial  public  offering  price,  see
Underwriting.

     It is currently  estimated that the initial  public  offering price will be
between  $8.00 and $10.00 per share.  The Company has applied for listing of the
shares of Common  Stock for  quotation on the Nasdaq  National  Market under the
symbol MCEN.

     SEE RISK FACTORS BEGINNING ON PAGE 6 OF THIS PROSPECTUS FOR A DISCUSSION OF
CERTAIN  FACTORS THAT SHOULD BE  CONSIDERED  BY  PROSPECTIVE  PURCHASERS  OF THE
SHARES OF COMMON STOCK OFFERED HEREBY.

          THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE
           SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
        COMMISSION NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY
             STATE SECURITIES COMMISSION PASSED UPON THE ACCURACY OR
             ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE
                         CONTRARY IS A CRIMINAL OFFENSE.

                                             UNDERWRITING
                            PRICE TO           DISCOUNTS          PROCEEDS TO
                             PUBLIC        AND COMMISSIONS(1)      COMPANY(2)
Per Share  .................   $                   $                   $
Total (3)  .................   $                   $                   $

(1)  Does not include additional  consideration to be received by Ferris,  Baker
     Watts,  Incorporated  (the  Representative)  in the  form of a one  percent
     non-accountable expense allowance and the value of warrants to be issued to
     the  Representative  to  purchase  200,000  shares  of  Common  Stock at an
     exercise  price  of 110%  of the  Price  to  Public  (the  Representative's
     Warrants).  The Company has agreed to indemnify  the  Underwriters  against
     certain  liabilities,  including  liabilities  under the  Securities Act of
     1933, as amended (the Securities Act). See Underwriting.

(2)  Before deducting  expenses of the Offering payable by the Company estimated
     at $905,000, including the Underwriter's non-accountable expense allowance.

(3)  The Company has granted the  Underwriters a 30-day option to purchase up to
     an  additional  300,000  shares  of  Common  Stock  on the same  terms  and
     conditions as set forth herein, solely to cover over-allotments, if any. If
     the  Underwriters  exercise such option in full, the total Price to Public,
     Underwriting  Discounts and Commissions and Proceeds to Company will be $ ,
     $ and $ , respectively. See Underwriting.

     The shares of Common Stock are offered by the  Underwriters  named  herein,
subject  to  prior  sale,  when,  as and if  delivered  to and  accepted  by the
Underwriters and subject to their right to reject any order in whole or in part.
It is expected that delivery of certificates  representing  the shares of Common
Stock will be made  against  payment  therefor at the  offices of Ferris,  Baker
Watts,  Incorporated,  1720 Eye Street, N.W.,  Washington,  D.C., or through the
Depository Trust Company on or about , 1998.

                               FERRIS, BAKER WATTS
                                  Incorporated

                  The date of this Prospectus is ________, 1998

<PAGE>

                            AVAILABLE INFORMATION

     As of the date of this  Prospectus,  the Company will become subject to the
reporting  requirements of the Securities  Exchange Act of 1934, as amended (the
Exchange Act), and in accordance therewith,  will file reports, proxy statements
and  other  information  with  the  Securities  and  Exchange   Commission  (the
Commission). The Company intends to furnish its stockholders with annual reports
containing  audited financial  statements and such other periodic reports as the
Company deems appropriate or as may be required by law.

     CERTAIN PERSONS  PARTICIPATING IN THIS OFFERING MAY ENGAGE IN TRANSACTIONS,
ON  NASDAQ,  IN THE  OVER-THE-COUNTER  MARKET  OR  OTHERWISE,  WHICH  STABILIZE,
MAINTAIN OR OTHERWISE AFFECT THE PRICES OF THE COMMON STOCK.  SPECIFICALLY,  THE
UNDERWRITERS  MAY OVER-ALLOT IN CONNECTION WITH THE OFFERING AND MAY BID FOR AND
PURCHASE  SHARES OF COMMON STOCK IN THE OPEN MARKET.  FOR A DESCRIPTION OF THESE
ACTIVITIES, SEE UNDERWRITING.

<PAGE>

                              PROSPECTUS SUMMARY

     The  following  summary is qualified in its entirety by, and should be read
in conjunction with, the more detailed  information,  including risk factors and
financial statements,  including the notes thereto,  appearing elsewhere in this
Prospectus.  Each  prospective  investor is urged to read this Prospectus in its
entirety.   Unless  otherwise  indicated,  the  information  contained  in  this
Prospectus,  including per share data and information  relating to the number of
shares outstanding gives effect to (i) a 4.132 for one stock split of the Common
Stock  effected  on the date of this  Prospectus,  (ii) the merger  (Merger)  of
Medi-Cen  Corporation  of America  (MCA) into a wholly owned  subsidiary  of the
Company effective on the date of this Prospectus,  (iii) and assumes no exercise
of the Underwriters' over-allotment option. All references herein to the Company
shall include the Company and MCA together.  See  Description  of Securities and
Underwriting.  This Prospectus  contains forward looking statements that involve
risks and uncertainties. The Company's actual results may differ materially from
the results  discussed  in the forward  looking  statements.  Factors that might
cause such a difference include, but are not limited to, those discussed in Risk
Factors.

                                 THE COMPANY

     Medi-Cen Management, Inc. (MMI or the Company) provides or arranges for the
provision of  management  services to medical  practices  and develops  low-cost
physician driven provider networks and medical mall facilities.  The Company has
developed  three medical mall facilities in the  Washington,  D.C.  metropolitan
area, each providing  medical  services  ranging from general family practice to
selected specialties.  Through the medical mall facilities,  the Company enables
health care providers and payors to offer patients high-quality medical services
on a cost-effective basis.  Additional physician management services provided by
the Company include  marketing,  health care payor contracting and financial and
administrative   management.   The  Company   currently  manages  a  network  of
approximately  57 licensed  health care providers that treat over 100,000 active
patients.  The  Company  intends to  rapidly  expand the  medical  mall  concept
throughout  the  Washington-Baltimore   metropolitan  area  and  throughout  the
mid-Atlantic region to take advantage of market opportunities.

     The Company believes that there are several  advantages to its medical mall
strategy.  The  one-stop  facility  permits  patients to see both  primary  care
providers  and  specialists  under  one  roof,  which  is  both  convenient  and
time-saving.   In  addition,   the  Company  provides  patients  with  a  single
comprehensive monthly statement for all medical services provided at the medical
malls, thereby reducing paperwork and confusion.  The Company also believes that
the medical malls reduce overhead expenses, ultimately resulting in lower health
care delivery costs.  Finally,  the Company believes the medical malls will help
attract   high-quality   health  care  providers  by:  (i)  increasing  provider
compensation by lowering  overhead costs; (ii) allowing health care providers to
locally control the practice of medicine;  (iii) offering  providers the ability
to consult with other  specialists  in the  facilities;  and (iv)  providing the
financial  incentive  and  automony  of  controlling  the  physical  assets  and
non-professional costs of the medical practices through its franchise structure.

     The Company  affiliates with licensed health care providers who are seeking
the resources necessary to function  effectively in health care markets that are
evolving  from  fee-for-service  to managed  care  payor  systems.  The  Company
enhances the  operations  of medical  practices by  centralizing  administrative
functions  and  introducing  management  tools,  such  as  clinical  guidelines,
utilization review and outcomes  measurement.  The Company also provides medical
practices  with  access to  capital  and  sophisticated  management  information
systems.  In  addition,  the Company  receives  payments  from over 1,400 health
maintenance  organizations and other  third-party  payors.  These  relationships
provide  licensed  health care providers with the opportunity to operate under a
variety of payor arrangements and to increase their patient flow.

     The Company has  developed a corporate  structure  that  provides  licensed
health care  providers  control over the delivery of medical  services while the
Company provides, or arranges for the provision of, administrative services. The
Company  has entered  into  long-term  management  service  agreements  with two
networks  of health  care  providers,  Yater  Medical  Group,  P.C.  (Yater) and
Medi-Cen  Physician  Services,  L.L.P.  (MPS, and together with Yater, the PCs),
which directly employ the health care providers that treat the patients in

                                        3

<PAGE>

the medical malls.  The management  services  agreements  require the Company to
provide,  or arrange for the provision of,  substantially  all  non-professional
services  on  behalf  of the  PCs,  including,  but  not  limited  to,  billing,
recruitment and  establishment  of medical malls. The Company has arranged for a
franchisee,  Medi-Cen,  Corp.  of Maryland,  Inc.  (MOM) to provide  operational
services at the medical malls, including the payment of rent for the facilities,
the purchase of supplies and equipment and salaries for non-professional  staff.
A majority  of the health  care  providers  employed  by the PCs are also equity
owners in MOM and,  accordingly,  have direct  input into local  governance  and
certain  operations  of the medical  practices  as well as a direct incentive to
efficiently utilize the facilities.

     Fee-for-service  reimbursement  is rapidly  being  replaced by  alternative
reimbursement models, including capitated and other discounted-fee arrangements.
In response,  individual  physicians and small group practices are  increasingly
affiliating  with larger  group  practices  and  physician  practice  management
companies.  The  Washington,  D.C.  area in which the Company  operates has been
particularly  affected  by the  changing  health care  environment.  The Company
believes  that  fewer  than  6%  of  physicians  in  the  Washington - Baltimore
metropolitan area have entered into practice  management  agreements,  providing
significant  opportunities  for the Company to assist  physicians  in developing
medical  mall  facilities  and  managing  the  administrative  aspects  of group
practices and networks.

     The Company  believes that it is well  positioned to attract,  organize and
manage medical group practices by offering,  through the unique medical mall and
franchise concept, a full range of integrated  management services and access to
managed care patients. The Company's strategy includes (i) developing additional
medical mall facilities,  (ii) providing low cost medical services by increasing
operational  efficiencies  and cost  reductions,  (iii)  attracting high quality
health care  providers,  (iv)  diversifying  its payor base,  and (v)  utilizing
sophisticated management information systems.

     The Company was  incorporated on March 25, 1994 under the laws of the State
of Maryland and commenced operations on January 1, 1995. The Company's principal
executive offices are located at 5301 Wisconsin Avenue,  Suite 620,  Washington,
DC 20015, and its telephone number is (301) 961-2799.

                                 THE OFFERING

Common Stock Offered by the Company..  2,000,000 shares
 
Common Stock to be Outstanding after
  the Offering  .....................  5,378,046 shares (1)

Use of Proceeds  ....................  The  Company   intends  to  use  the  net
                                       proceeds   of  the   Offering   for   the
                                       development  of medical mall  facilities,
                                       the repayment of certain  debt to finance
                                       acquisitions  and  expansion  of the PCs,
                                       working  capital,  and  general corporate
                                       purposes.  See "Use of  Proceeds."
Proposed  Nasdaq  National Market 
  Symbol  ...........................  MCEN

(1)  Excludes (i) 2,000,000 shares of Common Stock issuable upon the exercise of
     options under the Company's Stock Option Plan, 1,800,000 of which have been
     granted at an exercise  price equal to the initial public  offering  price;
     (ii) 945,826  shares of Common Stock  issuable  pursuant to the exercise of
     certain other options and warrants at a weighted  average exercise price of
     $4.36;  (iii)  approximately  36,111  shares of Common Stock  issuable upon
     consummation of this Offering in lieu of compensation valued at the initial
     public  offering  price;  and (iv) up to  116,109  shares of  Common  Stock
     issuable upon  consummation  of the Merger.  See  "Management-Stock  Option
     Plan," "Management's  Discussion  and  Analysis of Financial  Condition and
     Results of Operations - Overview" and "Underwriting."

                                        4
<PAGE>

                       SUMMARY CONSOLIDATED FINANCIAL DATA

     Due to control by the  Company, the  summary  consolidated  financial  data
presented below reflects the  consolidation  of the operations of MPS with those
of the Company for all periods  presented and the operations of Yater with those
of the Company for the period ending December 31, 1997.
<TABLE>
<CAPTION>
                                                                                  YEARS ENDED DECEMBER 31,
                                                                          -----------------------------------------
                                                                                1995          1996          1997
                                                                                ----          ----          ----
STATEMENT OF OPERATIONS DATA:
<S>                                                                       <C>           <C>           <C>         
Total revenue...........................................................  $  1,151,144  $  1,304,130  $  6,603,791
Operating income........................................................       268,669       278,149     1,044,558
Net income..............................................................       284,107       267,008     1,046,563
Net income per share....................................................                              $       0.31
Weighted average number of shares outstanding...........................                                 3,363,084
CERTAIN OPERATING DATA:
Staff health care providers.............................................             8            11            53
Independent network health care providers...............................           120           123           114
Patients treated........................................................         4,498        13,952       104,481
Payors..................................................................           553           987         1,406

                                                                                             DECEMBER 31, 1997
                                                                                      ------------------------------
                                                                                          ACTUAL      AS ADJUSTED(1)
                                                                                          ------      --------------
BALANCE SHEET DATA:
Working capital (deficit)...........................................................  $  1,930,487   $ 17,632,791
Total assets........................................................................     7,204,222     22,533,353
Total long term debt, net of current maturities.....................................     3,805,138      3,672,442
Stockholders' equity................................................................     1,517,597     17,352,597
</TABLE>

(1)  Adjusted to give effect to the sale of the 2,000,000 shares of Common Stock
     offered hereby (at an assumed  initial  public  offering price of $9.00 per
     share) and the  application  of the estimated net proceeds  therefrom.  See
     "Use of Proceeds."

                                        5


<PAGE>

                                  RISK FACTORS

     In addition to the other  information  contained  in this  Prospectus,  the
following risk factors should be considered  carefully by prospective  investors
prior to making an investment in the Common Stock  offered  hereby.  Information
contained in this Prospectus  contains  forward-looking  statements which can be
identified by the use of forward-looking  terminology such as believes, expects,
may, will,  should,  or anticipates or the negative  thereof or other variations
thereon or comparable  terminology or as  discussions of strategy.  No assurance
can be given that the future results covered by the  forward-looking  statements
will be achieved or that the events contemplated  thereby will occur or have the
effects  anticipated.  The following matters  constitute  cautionary  statements
identifying  important factors with respect to such forward-looking  statements,
including  certain risks and  uncertainties  that could cause actual  results to
vary  materially from the  anticipated  results covered in such  forward-looking
statements.  Other  factors could also cause actual  results to vary  materially
from the anticipated results covered in such forward-looking statements. Factors
that could cause or contribute to such differences  include, but are not limited
to, those  discussed in this section and in the sections  entitled  Management's
Discussion  and Analysis of Financial  Condition and Results of  Operations  and
Business, as well as those discussed elsewhere in this Prospectus.

     Dependence on Growth.  The Company's  future  growth and  profitability  is
substantially  dependent upon the expansion of Yater Medical Group, P.C. (Yater)
and Medi-Cen Physician Services,  L.L.P. (MPS, and together with Yater, the PCs)
through the employment of new licensed  health care providers or the acquisition
of new medical practices for whom the Company will provide management  services.
Competition  for such  personnel is intense,  and there can be no assurance that
the Company will be successful in attracting  or retaining  such  personnel.  In
addition, there can be no assurance that the employment of such providers or the
acquisition of such practices can be made on satisfactory  terms, or at all. The
future  growth  and  profitability  of the  Company  is  also  dependent  on the
Company's ability to effectively integrate the practices of the PCs with any new
medical  practices,  to manage and  control  costs and to realize  economies  of
scale. The integration of new medical  practices,  as well as the maintenance of
existing  contracts,  is made more difficult by reduced  reimbursement  rates of
health  care  payors  at a time  when the  cost of  providing  medical  services
continues to increase.  The Company intends to use a substantial  portion of the
proceeds of this Offering to assist the PCs in expanding their business  through
the acquisition of additional medical practices.  See Use of Proceeds. There can
be no assurance that the PCs or the Company will successfully identify, complete
or integrate  additional  acquisitions or that any  acquisition  will perform as
expected or will contribute significant revenues or profits to the Company.

     Limited Operating History; Uncertainty Of Future Profitability. The Company
was  incorporated  in  March  25,  1994,  began  providing   physician  practice
management  services on January 1, 1995 and began  developing  medical  malls on
March 1, 1996.  Accordingly,  the Company has only a limited  operating  history
upon which an evaluation  of the Company and its  prospects can be based.  There
can be no  assurance  that the Company  will  continue to be  profitable  in the
future.  The  Company's  prospects  must be  considered  in light of the  risks,
expenses and  difficulties  frequently  encountered  by companies in their early
stages of development,  particularly  companies in rapidly evolving markets.  To
address these risks, the Company must,  among other things,  increase the number
of licensed  health care providers in the medical  malls,  open new medical mall
facilities  in  expanded  geographical  areas,  expand  sales  of its  physician
practice  and network  management  services,  continue  to enhance its  clinical
information systems, respond to competitive developments and continue to attract
and retain qualified personnel.  Accordingly, there can be no assurance that the
Company will be able to generate sufficient revenue to maintain profitability on
a  quarterly  or annual  basis or to sustain or increase  its revenue  growth in
future periods. See Management's  Discussion and Analysis of Financial Condition
and Results of Operations and Business.

     Dependence on  Franchisee.  Pursuant to the management  service  agreements
between  the Company and each of the PCs,  the Company is  obligated  to provide
management  services  for the  medical  practices  of the PCs.  The  Company has
arranged with its franchisee,  Medi-Cen, Corp. of Maryland, Inc., (MOM) pursuant
to a franchise  agreement  between the Company  and MOM,  for the  provision  of
certain  of those  services.  Accordingly,  the  Company  will be  substantially
dependent upon the efforts of others,  over whom it may not have direct control,
for its  success.  To the  extent  MOM is unable or  unwilling  to  fulfill  its
obligations under the franchise agreement with the Company to provide

                                        6
<PAGE>

such services,  the Company will be required  either to locate a new provider of
these  services or perform the services  itself.  There can be no assurance that
the Company will be able to locate a new provider on  satisfactory  terms, or at
all. In addition, there can be no assurance that the Company's operating results
and financial  condition will not be materially  adversely affected in the event
the  Company  is  required  to  provide  these  services  itself.  In 1997,  the
management  fee  payable to MOM was less than its  expenses  and the Company was
required  to  loan  to  MOM an  amount  sufficient  to  permit  MOM  to pay  its
operational  expenses.  At  December  31,  1997,  the  Company's  balance  sheet
reflected an outstanding  receivable of $1.2 million for such advances.  The PCs
typically  do not acquire a new health  care  provider's  receivables  when such
health care provider becomes employed by a PC or his or her practice is acquired
by a PC.  Therefore,  during the period between the  commencement of billing for
such health care  provider  and the  receipt of  collections  in respect of such
billings, no cash is collected.  Furthermore, when medical malls open, a further
delay in  collections  occurs  during  the  start-up  phase as the  health  care
provider  goes through the  credentialing  process  with payors.  As a result of
these  delays,  the  payments  to MOM in  respect  of its  management  fees  are
significantly  reduced as the MOM fee is based on collected net patient  service
revenue.  The Company believes that once a medical mall has a full complement of
health care providers who have  reestablished  a billing  receivables  base, the
management  fees payable to MOM out of collections  will likely be sufficient to
cover its expenses  and the Company  will not be required to advance  management
fee payments to MOM. There can be no assurance that  management  fees payable to
MOM will be sufficient to cover its operating costs.

     Conflicts  of Interest.  Certain of the  Company's  executive  officers and
directors hold management  positions and/or  ownership  interests in the PCs and
MOM.  These  entities  have  entered  into  contractual  relationships  with one
another,  the terms of which were not negotiated on an arms length basis. In the
future,  the Company expects to enter into additional related party transactions
which will  involve  potential  conflicts  of  interest.  All ongoing and future
transactions  with affiliates of the Company,  if any, will be on terms believed
by the Company to be no less  favorable  than are  available  from  unaffiliated
third parties and will be approved by a majority of  disinterested  directors of
the Company. See "Certain Transactions."

     Dependence on Third-Party Payors; Delay in Payments.  Physician groups that
render services on a  fee-for-service  basis typically bill various  third-party
payors,  such as governmental  programs (e.g.,  Medicare and Medicaid),  private
insurance plans and managed care plans, for the health care services provided to
their  patients.  A majority of the Company's  total revenue is derived from fee
for-service  payments by these third-party  payors.  Recently,  many health care
providers have experienced significant delays in receiving payments from payors.
There can be no assurance  that  payments  under  governmental  programs or from
other third-party payors will remain at present levels or that there will not be
significant  delays in  receipt of such  payments  by the  Company.  Substantial
delays in payments by various  payors have resulted in cash flow  shortfalls for
the Company,  Yater and MOM in the past and may continue to do so in the future.
In addition, third-party payors can deny reimbursement for a variety of reasons,
including  technical  compliance  matters such as timely  accreditation with the
payor or for other reasons.  A majority of the contracts between the Company and
the health care payors may be terminated  by the payor upon 30 days notice.  Any
material decrease or delay in payments received from such third-party  payors or
the  termination  of contracts  with such payors  could have a material  adverse
effect on the operating results and financial condition of the Company.

     Dependence  On  Executive  Officers.  The  Company's  ability to market and
deliver its  services  and systems  and to achieve  and  maintain a  competitive
position is dependent  in large part upon the efforts of its senior  management,
particularly P. Steven Macedo,  M.D., the Company's  Chairman of the Board,  and
Michael Macedo, the Company's Chief Executive  Officer.  Although the Company is
the beneficiary of a $1,000,000 key man life insurance policy on the life of Dr.
Macedo and has applied for such a policy on the life of Mr. Macedo,  the Company
does not believe such amount would be adequate to compensate for the loss of the
services of any such  executive.  In addition,  although the Company has entered
into  employment  agreements with most of its senior  executives,  including Dr.
Macedo and Mr.  Macedo,  such  agreements  will not assure the  services of such
employees.  The  loss of the  services  of one or  more  members  of its  senior
management  could have a material  adverse effect on the Company.  The Company's
future success also will depend upon its ability to attract and retain qualified
management,  technical  and  marketing  employees to support its future  growth.
Competition  for such  personnel is intense,  and there can be no assurance that
the Company will be successful in attracting or retaining  such  personnel.  The
failure to attract and retain such persons could materially adversely affect the
Company. See Management.

     Control by Certain Shareholders. As of the date of this Prospectus, the two
largest stockholders of the Company, Dr. Steven Macedo and Michael Macedo, owned
an aggregate of 88.8% of the outstanding  shares of Common Stock,  excluding any
outstanding  options  owned by such  individuals.  After  giving  effect to this
Offering, Dr. Steven Macedo and Michael Macedo will own an aggregate of 55.8% of
the outstanding shares of Common Stock,  excluding any outstanding options owned
by such individuals.  Accordingly,  if Dr. Macedo and Mr. Macedo were to vote in
the same manner on the  election of members of the Board of  Directors or on any
other  matter  requiring  approval  of a majority of the  outstanding  shares of
Common Stock, such matter would likely be approved or defeated,  as the case may
be, depending on the vote of such stockholders. See "Principal Shareholders."

     Management Of Growth. The Company recently has experienced,  and expects to
continue to experience,  substantial  growth and has significantly  expanded and
expects to continue to expand,  its  operations.  This growth and  expansion has
placed,  and will  continue  to  place,  significant  demands  on the  Company's
management,   technical,   financial  and  other  resources.  To  manage  growth
effectively,  the Company must maintain a high level of operational  quality and
efficiency,  and  must  continue  to  enhance  its  operational,  financial  and
management

                                        7
<PAGE>

systems and to expand,  train and manage its employee base. To date, the Company
has only limited experience in providing  physician practice management services
and in developing  medical malls.  To execute its growth  strategy,  the Company
plans  to  significantly   increase  the  number  of  medical   practices  under
management,   open  new  medical  malls  and  expand  its  sales  and  marketing
organization.  The ability of the Company to manage growth through  acquisitions
depends on its ability to maintain the high quality of services that it provides
to customers,  to successfully integrate the different services that it provides
and to  recruit,  motivate  and  retain  qualified  personnel.  There  can be no
assurance  that the Company will be able to manage growth  effectively,  and any
failure to do so could have a material adverse effect on the Company's business,
financial condition and results of operations and the price of the Common Stock.
See Use of Proceeds and Business - Strategy.

     Risks  Relating to Control of Health Care Costs.  Recently,  many providers
have experienced pricing pressures with respect to negotiations with health care
payors.  In addition,  employer groups are becoming  increasingly  successful in
negotiating  reductions  in the  growth of  premiums  paid for their  employees'
health  insurance,  which  tends to depress  the  reimbursement  for health care
services.  At the same time, employer groups are demanding higher accountability
from payors and  providers of health care  services  with respect to  measurable
accessibility,  quality  and  service.  If these  trends  continue,  the cost of
providing medical services could increase while the level of reimbursement could
grow at a lower rate or could  decrease.  There can be no  assurance  that these
pricing  pressures  will not have a  material  adverse  effect on the  operating
results and financial condition of the Company.  In addition,  changes in health
care practices, inflation, new technologies,  major epidemics, natural disasters
and numerous other factors  affecting the delivery and cost of health care could
have a material adverse effect on the operating results and financial  condition
of the Company.

     Cost  Containment  and  Reimbursement  Trends.  The health care industry is
experiencing  a  trend  toward  cost   containment  as  government  and  private
third-party payors seek to impose lower  reimbursement and utilization rates and
negotiate  reduced  payment  schedules  with  service  providers.   The  federal
government  has  implemented,  through the Medicare  program,  a  resource-based
relative value scale (RBRVS)  payment  methodology  for medical  services.  This
methodology  went into effect in 1992 and continued to be  implemented in annual
increments  through December 31, 1996. RBRVS is a fee schedule that,  except for
certain  geographical and other adjustments,  pays similarly situated physicians
the same amount for the same  services.  The RBRVS is adjusted each year, and is
subject to increases or decreases at the  discretion of Congress.  To date,  the
implementation  of RBRVS has reduced payment rates for certain of the procedures
provided by the PCs. Management estimates that approximately 14% of the revenues
of  the  PCs  are  derived  from  government   sponsored  health  care  programs
(principally  Medicare and Medicaid).  RBRVS-type payment systems have also been
adopted  by certain  private  third-party  payors  and may become a  predominant
payment  methodology.  More  wide-spread  implementation  of such programs would
reduce  payments by private  third-party  payors.  Rates  currently paid by many
private  third-party  payors are based on  established  physician  and  hospital
charges and are generally  higher than Medicare  payment  rates. A change in the
patient mix of the PCs that results in a decrease in patients covered by private
insurance  could  adversely  affect the  Company's  results of operations if the
Company is unable to assist health care  providers in containing the cost of the
provision of medical services.  To the extent that the PCs receive lower revenue
for medical services, there can be no assurance that the Company will be able to
derive  sufficient  revenues  from its  relationship  with the PCs to achieve or
maintain  profitability.  The Company believes that cost containment trends will
continue to result in a reduction from historical levels in per-patient  revenue
for medical  practices.  Further reductions in payments to health care providers
or other changes in reimbursement for health care services could have an adverse
effect on the  Company's  operations,  unless the Company is  otherwise  able to
offset such payment reductions. There can be no assurance that the effect of any
or all of these  changes  in  third-party  reimbursement  could be offset by the
Company through costs reductions, increased volume, introduction of new services
and systems or otherwise. See Risk Factors - Government Regulation - Uncertainty
Related to Health Care Reform and Business - Government Regulation.

     Highly Competitive Industry.  The physician practice management industry is
highly  competitive.  The industry is also subject to continuing  changes in how
services and products are provided and how  providers  are selected and paid. As
prepaid  medical care  continues to grow,  the Company may  encounter  increased
competition.  Certain  companies are expanding  their  presence in the physician
management market through the use of several  approaches.  A number of companies
provide  broad  management   services  to  primary  care,   multi-specialty  and
single-specialty   physician  groups,   while  other  companies  provide  claims
processing, utilization

                                        8
<PAGE>

review and other more focused management services.  In addition,  certain of the
Company's  competitors  are  dedicated  to the  management  of  single-specialty
practices focused on specific diseases. Certain of the Company's competitors are
significantly larger, have access to greater resources,  provide a wider variety
of services and  products,  have  greater  experience  in providing  health care
management  services and products and/or have longer  established  relationships
with  customers for these  services and products  than the Company.  The Company
believes that competition for services is based on cost and quality of services.
There can be no assurance  that the Company's  strategy will allow it to compete
favorably  in  negotiating  agreements  with health care payors or  expanding or
maintaining  its medical  group  practices  or in existing  or new  markets.  In
addition,  many health care providers are  consolidating to create larger health
care delivery enterprises with greater regional market power. Such consolidation
could erode the  Company's  customer  base and reduce the size of the  Company's
target  market.  In  addition,  the  resulting  enterprises  could have  greater
bargaining  power,  which could lead to price  erosion  affecting  the Company's
services.  The  reduction  in the size of the  Company's  target  market  or the
failure of the Company to maintain  adequate  price levels could have a material
adverse  effect on the Company's  business,  financial  condition and results of
operations and on the price of the Common Stock. See Business - Competition.

     Government  Regulation.  As a participant in the health care industry,  the
Company's  operations and  relationships are subject to extensive and increasing
regulation  under numerous laws  administered  by  governmental  entities at the
federal, state and local levels. See Business - Government Regulation.

     Fraud and Abuse Statutes.  Federal  anti-kickback  provisions  prohibit the
solicitation,  payment,  receipt or offer of any direct or indirect remuneration
for the referral of federal health care program patients (including Medicare and
Medicaid  patients) or for the order or provision of covered services,  items or
equipment.  Other fraud and abuse laws also impose  restrictions  on physicians'
referrals  for  designated  health  services  to  entities  with which they have
financial  relationships  (known as the Stark laws).  In  addition,  federal law
imposes significant penalties for false or improper billings.  Violations of any
of  these  laws may  result  in  substantial  civil or  criminal  penalties  for
individuals or entities,  including large civil monetary penalties and exclusion
from  participation  in the  Medicare  and Medicaid  programs.  Several  states,
including states in which the Company  operates,  have adopted similar laws that
cover  patients  in  private  and  workers'  compensation  programs  as  well as
government programs. Violations of any of the fraud and abuse laws by any of the
Company,  Yater or MPS could have a  material  adverse  effect on the  Company's
business and financial condition and on the price of the Common Stock.

     Corporate  Practice of Medicine and Fee Splitting.  The laws of many states
prohibit   non-physician   entities  from  practicing   medicine  and  employing
physicians  to  practice   medicine.   The  Company  provides  only  non-medical
administrative  services and clinical  information  systems to the PCs, does not
represent to the public or its clients that it offers medical  services and does
not exercise control over the practice of medicine by the PCs. These limitations
on the  Company's  activities  are  incorporated  into each  management  service
agreement,  which is the contract governing the relationship between the Company
and  the  PCs.  The PCs are  responsible  for  providing  medical  care  and are
independent from the Company,  which provides, or arranges for the provision of,
administrative  services.  The Company  believes its  operations are in material
compliance  with  applicable  laws in all  jurisdictions  in which it  operates.
Nevertheless,  because of the structure of its  relationship  with the PCs, many
aspects of the Company's business operations have not been the subject of formal
state or federal regulatory  interpretation and there can be no assurance that a
review of the Company's structure by courts or regulatory  authorities would not
result in a  determination  that could  adversely  affect the  operations of the
Company or the PCs (for example, by rendering the Company's  management services
agreement  with  the PCs  unenforceable)  or that  the  health  care  regulatory
environment  will not  change  so as to  restrict  the  existing  operations  or
expansion  plans of the  Company  or the PCs.  In  addition,  recently  released
regulations dealing with the use of physician incentives may restrict the extent
to which payors or the Company may impose  financial  risk upon  physicians  (or
other  health care  providers).  Violation of such  regulations  could result in
substantial penalties. Such regulations may also reduce the Company's ability to
control its expenses.

     Confidentiality of Patient Records.  The confidentiality of patient records
and the  circumstances  under which such  records may be released are subject to
substantial  regulation by state and federal laws and regulations,  which govern
both the disclosure and use of confidential  patient medical record information.
The Company  believes that it complies with the laws and  regulations  regarding
the collection and distribution of patient data in all

                                        9
<PAGE>

jurisdictions  in  which  it  operates,   but  regulations   governing   patient
confidentiality  rights are evolving rapidly and are often unclear and difficult
to  apply  in the  restructuring  health  care  market.  Additional  legislation
governing the  dissemination of medical record  information is continually being
proposed at both the state and federal level. For example,  the Health Insurance
Portability and  Accountability Act of 1996 requires the Secretary of Health and
Human  Services to recommend  legislation  or promulgate  regulations  governing
privacy standards for individually  identified health  information and creates a
federal criminal offense for knowing  disclosure and misuse of such information.
Additional proposed  legislation could require patient consent before even coded
or anonymous  patient  information  may be shared with third parties and further
require that holders or users of such information  implement  security measures.
In addition,  the American  Medical  Association  (the AMA) has issued a Current
Opinion to the effect that a physician  who does not obtain a patient's  consent
to  disclosure  of  patient  information  for  commercial  purposes,   including
anonymous  disclosure,  violates  the AMA's  ethical  standards  with respect to
patient confidentiality.  While the AMA's Current Opinions are not law, they may
influence physicians'  willingness to obtain patient consents or agree to permit
the Company to access clinical data in their systems without such consents.  Any
such restrictions  could have a material adverse effect on the Company's ability
to market its services and  systems.  Although the Company  intends to safeguard
patient privacy when clinical data is accessed and transmitted  over private and
public  networks,   including  the  Internet,   and  to  enter  patient  medical
information  into or receive such  information  from its database  only with the
consent of the patient, if a patient's privacy is violated, the Company could be
liable for damages  incurred by such  patient.  There can be no  assurance  that
changes to state or federal laws will not materially restrict the ability of the
Company to obtain or disseminate patient information.

     Uncertainty  Related To Health Care Reform.  The Company  anticipates  that
Congress and state  legislatures will continue to review and assess  alternative
health care delivery and payment  systems.  Potential  approaches that have been
considered include mandated basic health care benefits,  controls on health care
spending through  limitations on the growth of private health insurance premiums
and Medicare and Medicaid spending,  the creation of large insurance  purchasing
groups  and other  fundamental  changes  to the  health  care  delivery  system.
Proposals  have also been  discussed  which  would  provide  incentives  for the
provision of  cost-effective,  quality health care through formation of regional
delivery  systems.  Private  sector  providers and payors have embraced  certain
elements of reform,  resulting in increased  consolidation of medical groups and
competition  among managers of medical  practice  groups as these  providers and
payors seek to form alliances in order to provide quality,  cost-effective care.
Due to uncertainties  regarding the ultimate features of reform  initiatives and
their enactment and implementation, the Company cannot predict which, if any, of
such reform  proposals will be adopted,  when they may be adopted or what impact
they may have on the Company, and there can be no assurance that the adoption of
reform  proposals  will not have a  material  adverse  effect  on the  Company's
business,   operating  results  or  financial   condition.   In  addition,   the
announcement of reform proposals and the investment community's reaction to such
proposals,  as well as  announcements  by competitors and third-party  payors of
their strategies to respond to such initiatives, could produce volatility in the
trading and market price of the Common Stock.

     Technological  Change.  The health care information  industry is relatively
new and is  experiencing  rapid  technology  change,  changing  customer  needs,
frequent new product instructions and evolving industry standards.  There can be
no assurance that the Company will not experience  difficulties,  including lack
of necessary  capital or expertise,  that could delay or prevent the  successful
development and  introduction of system  enhancements or new systems in response
to technological  changes.  The Company's  inability to respond to technological
changes  in a timely and  cost-effective  manner  could have a material  adverse
effect on the Company's business,  financial condition and results of operations
and on the price of the Common Stock. See Business.

     Franchise Regulation.  Except for Maryland and Virginia, the Company is not
yet licensed to sell  franchises in other states in which a license is required.
The  business  of  franchising  is subject to  regulation  by Federal  and state
authorities,  including the Federal Trade Commission.  There can be no assurance
that the  Company  will be licensed to sell  franchises  in any other  states in
which it wishes to sell  franchises.  Compliance with rules and regulations that
apply to franchising  can be expensive and time  consuming.  The  application of
existing or future  Federal  and state laws and  regulations  could  prevent the
Company from selling franchises in certain states and could substantially impair
and delay the marketing and operation of the Company's franchise program.  State
laws or  regulations  as  they  now or may in the  future  exist,  could  have a
material  adverse effect upon the Company's  results of operations and financial
condition.

                                       10
<PAGE>

     Risk Of Liability Claims.  Customer reliance on the Company's  services and
systems  could  result in  exposure of the  Company to  liability  claims if the
Company's  services  and systems  fail to perform as intended or if patient care
decisions based in part on guidance from the Company's  services and systems are
challenged. Even unsuccessful claims would result in the expenditure of funds in
litigation,  diversion  of  management  time  and  resources  or  damage  to the
Company's  reputation  and  the  marketability  of the  Company's  services  and
systems.  While no such claims have been made  against the Company to date,  and
although  the Company  takes  contractual  steps to obtain  indemnification  for
certain liabilities and maintains general commercial liability insurance,  there
can be no  assurance  that a  successful  claim  could not be made  against  the
Company,  that the amount of  indemnification  payments  or  insurance  would be
adequate to cover the costs of defending  against or paying such a claim or that
the costs of  defending  against  such a claim or the  payment of damages by the
Company  would not have a material  adverse  effect on the  Company's  business,
financial  condition  and results of  operations  and on the price of the Common
Stock.

     Dilution.  The purchasers of the shares of Common Stock offered hereby will
experience  immediate and substantial dilution in the net tangible book value of
their shares of Common Stock in the amount of $5.84 per share (assuming a public
offering price of $9.00 per share and after deducting underwriting discounts and
commissions  and estimated  offering  expenses).  Such investors will experience
additional  dilution  upon the  exercise  of  certain  outstanding  options  and
warrants.  In addition,  in the event the Company issues additional Common Stock
in the future, including shares that may be issued in connection with the Merger
or future acquisitions, investors may experience further dilution. See Dilution,
Management's  Discussion  and  Analysis of  Financial  Condition  and Results of
Operations and Business - Contractual Relationships with Yater and MPS.

     Shares Eligible For Future Sale. Sales of shares of Common Stock (including
shares  issued upon the exercise of  outstanding  options) in the public  market
after this Offering could adversely affect the market price of the Common Stock.
Such  sales also might make it more  difficult  for the  Company to sell  equity
securities or equity-related securities in the future at the time and price that
the Company deems  appropriate.  Upon  completion of this Offering,  the Company
will  have  approximately  5,378,046  shares of Common  Stock  outstanding.  The
2,000,000 shares of Common Stock offered hereby will be freely tradeable without
restriction  unless  they are held by  affiliates  of the Company as the term is
used under the Securities Act of 1933, as amended (the Securities  Act), and the
regulations promulgated thereunder. The remaining approximately 3,378,046 shares
are  restricted  securities  that  may be sold  only  if  registered  under  the
Securities  Act  or  sold  in  accordance  with  an  applicable  exemption  from
registration,  such as Rule 144 or Rule 144(k)  promulgated under the Securities
Act. As a result of the  provisions of Rule 144,  such shares will  generally be
available  for  sale  in the  public  market  90  days  after  the  date of this
Prospectus,  subject  in  certain  cases,  to the  volume,  manner  of sale  and
reporting requirements of Rule 144. The Company, and its officers, directors and
principal   stockholders  have  agreed  for  a  period  of  180  days  from  the
consummation  of this  Offering not to offer,  sell or otherwise  dispose of any
shares of Common Stock (or any securities  convertible  into or exercisable  for
Common  Stock) or grant any options or  warrants  to  purchase  shares of Common
Stock without the prior  written  consent of Ferris,  Baker Watts,  Incorporated
(the  Representative).  See Shares  Eligible for Future Sale and  Description of
Capital Stock

     No Assurance of Public Market;  Determination  of Offering Price;  Possible
Volatility of Market Price of Common Stock.  Prior to this  Offering,  there has
been no established  public  trading market for the Common Stock.  Consequently,
the initial  public  offering  price of the Common Stock has been  determined by
negotiations  between the Company and the  Underwriters  and do not  necessarily
reflect the Company's book value or other established  criteria of value.  There
can be no  assurance  that a regular  trading  market of the  Common  Stock will
develop after this Offering or that,  if  developed,  it will be sustained.  The
market prices of the Company's  securities following this offering may be highly
volatile as has been the case with the securities of other  emerging  companies.
Factors such as the Company's operating results, announcements by the Company or
its  competitors  of new  physician  practice  and  network  management  service
contracts, and various factors affecting the health care industry generally, may
have a significant  impact on the market price of the Company's  securities.  In
general, in recent years, the stock market has experienced a high level of price
and  volume  volatility  and  market  prices  for the  stock of many  companies,
particularly of small and emerging growth companies, the

                                       11
<PAGE>

common stock of which trade in the  Over-the-Counter  market,  have  experienced
wide price fluctuations which have not necessarily been related to the operating
performance of such companies. See Underwriting.

     THIS PROSPECTUS  CONTAINS  CERTAIN  FORWARD-LOOKING  STATEMENTS  WITHIN THE
PRIVATE  SECURITIES  LITIGATION REFORM ACT OF 1995 WITH RESPECT TO THE FINANCIAL
CONDITION,  RESULTS  OF  OPERATIONS  AND  BUSINESS  OF  THE  COMPANY,  INCLUDING
STATEMENTS UNDER THE CAPTIONS MANAGEMENT'S  DISCUSSION AND ANALYSIS OF FINANCIAL
CONDITION  AND  RESULTS  OF  OPERATIONS  AND  BUSINESS.  THESE  FORWARD  LOOKING
STATEMENTS  INVOLVE CERTAIN RISKS AND  UNCERTAINTIES.  NO ASSURANCE CAN BE GIVEN
THAT ANY SUCH MATTERS WILL BE REALIZED.

                                 USE OF PROCEEDS

     The net proceeds to the Company from the sale of the shares of Common Stock
offered by the Company  hereby are estimated to be  approximately  $15.8 million
($18.3 million if the Underwriters' over-allotment option is exercised in full),
assuming an initial public offering price of $9.00 per share and after deducting
underwriting discounts, commissions and estimated offering expenses. The Company
intends  to use  the  net  proceeds:  (i)  for  the  development  of up to  five
additional  medical mall  facilities;  (ii) for the  repayment of certain  debt;
(iii)  to  finance  acquisitions  and  expansion  of the PCs;  (iv) for  working
capital;  and (v) for general corporate purposes,  including to secure debt that
may be  incurred by MOM or any future  franchisee.  Such debt may be incurred in
connection with the employment of new health care providers,  the acquisition of
additional  physician  practices and the opening of new medical mall facilities.
Development  costs  associated  with new  medical  mall  facilities  include the
identification  of a site,  negotiation of a lease,  construction  and finishing
expenses,  acquisition  of supplies and  equipment,  recruitment  of health care
providers and operating staff and other start-up costs. The Company may also use
a portion of the net  proceeds to make  improvements  to existing  medical  mall
facilities.  The Company intends to repay an aggregate of approximately $935,000
of debt,  including $270,000 owed to Dr. Steven Macedo and Michael Macedo. These
obligations  bear  interest  at rates  ranging  from 9.5% to prime plus 1.5% per
annum  and  mature   between  May  28,  1998  and  May  28,  2002.  See  Certain
Transactions.

     From time to time in the  ordinary  course  of its  business,  the  Company
evaluates  possible  acquisitions of businesses,  products and technologies that
are  complementary  to  those  of the  Company.  The  Company  currently  has no
agreements or understandings,  and is not engaged in active  negotiations,  with
respect to any material acquisition.

     Pending the  application of the net proceeds of this Offering,  the Company
intends   to   invest   such   proceeds   in    short-term,    investment-grade,
interest-bearing U.S. government securities or money market funds.

                                       12

<PAGE>

                                    DILUTION

     The  difference  between the  initial  public  offering  price per share of
Common  Stock and net  tangible  book value per share of Common Stock after this
Offering  constitutes  the dilution to investors in this Offering.  Net tangible
book  value  per  share is  determined  on any given  date by  dividing  the net
tangible  book  value  of  the  Company  (total   tangible   assets  less  total
liabilities)  on such date by the  number of then  outstanding  shares of Common
Stock.

     At  December  31,  1997,  the net  tangible  book value of the  Company was
$1,127,657,  or $0.33 per share of Common Stock. After giving effect to the sale
of the 2,000,000  shares of Common Stock offered  hereby (at an assumed  initial
public offering price of $9.00 per share) and the receipt and application of the
estimated net proceeds  therefrom (less  underwriting  discounts and commissions
and estimated offering expenses), the as adjusted net tangible book value of the
Company as of December 31, 1997 would have been  $16,962,657 or $3.16 per share,
representing an immediate increase in net tangible book value of $2.83 per share
to existing  stockholders  and an  immediate  dilution of $5.84 per share to new
investors.

     The following table  illustrates the foregoing  information with respect to
dilution to new investors on a per share basis:

Initial public offering price.....................................         $9.00
     Net tangible book value per share at December 31, 1997.......  $0.33
     Increase attributable to investors in this Offering..........  $2.83
As adjusted net tangible book value after this Offering...........         $3.16
Dilution to new investors in this Offering........................         $5.84

     The following table sets forth a comparison  between the Company's existing
stockholders  and new investors in this Offering,  with respect to the number of
shares of Common Stock acquired from the Company,  the  percentage  ownership of
such shares, the total consideration paid, the percentage of total consideration
paid and the average price per share:


                                                                   AVERAGE PRICE
                             NUMBER   PERCENT    AMOUNT    PERCENT   PER SHARE
                             ------   -------    ------    -------  ------------
Existing stockholders....   3,378,046    63%   $   604,464     3%     $0.18
New investors............   2,000,000    37%    18,000,000    97%      9.00
                            ---------   ---     ----------   ---      
     Total...............   5,378,046   100%   $18,604,464   100%     $3.47

     The above  tables  assume no exercise of the  Underwriters'  over-allotment
option.  If such option is exercised in full,  the new investors  will have paid
$20,700,000  for  2,300,000  shares  of Common  Stock  offered  by the  Company,
representing approximately 97% of the total consideration,  for 40% of the total
number of shares of Common  Stock  outstanding.  In  addition,  the above  table
excludes  (i)  2,000,000  shares of Common Stock  issuable  upon the exercise of
options  under the  Company's  Stock Option  Plan,  1,800,000 of which have been
granted at an exercise price equal to the initial public  offering  price;  (ii)
945,826  shares of Common  Stock  issuable  pursuant to the  exercise of certain
other options and warrants at a weighted average  exercise price of $4.36;  (ii)
approximately  36,111 shares of Common Stock issuable upon  consummation of this
Offering in lieu of  compensation  valued at the initial public  offering price;
(iii) up to 116,109  shares of Common Stock  issuable upon  consummation  of the
Merger.  To the extent that such options and warrants  are  exercised,  and such
shares issued, there will be further dilution to new investors. See Management's
Discussion  and  Analysis of  Financial  Condition  and Results of  Operations -
Liquidity  and  Capital   Resources,   Management  -  Stock  Option  Plan,   and
Underwriting.

                                      13

<PAGE>


               PRICE RANGE OF COMMON STOCK AND DIVIDEND POLICY

     There is no significant  trading market in the Company's  Common Stock.  No
closing price,  bid or ask  information is reported for the Common Stock and the
Company  is not aware  that any  brokers  currently  make a market in the Common
Stock of the  Company.  In  addition,  to the extent  that any shares  have been
traded, the volume has been very low and sporadic.

     The Company has  declared and paid cash  dividends on its capital  stock at
the following times in the indicated amounts:

                  DATE                                   DIVIDEND
                  ----                                   --------
March 29, 1996......................................  $.0012 per share
January 1, 1997 through March 1, 1997...............  $.0024 per share per month
April 1, 1997 through December 31, 1997.............  $.0048 per share per month

     The Company expects to pay quarterly  dividends in the future to the extent
that the Board of  Directors  determines  it to be in the best  interests of the
Company and its shareholders and to the extent allowable under Maryland law. The
payment  of any cash  dividends  in the  future  will  depend  on the  Company's
earnings,  financial condition,  results of operations,  capital needs and other
factors deemed  pertinent by the Company's  Board of Directors,  subject to laws
and regulations then in effect.

                                CAPITALIZATION

     The  following  table  sets  forth the  capitalization  of the  Company  at
December  31, 1997 on a  historical  basis and as adjusted to give effect to the
sale by the Company of the shares of Common Stock offered hereby.

                                                           ACTUAL    AS ADJUSTED
                                                           ------    -----------
Due to related parties(1)..............................  $  135,000           --
Current maturities of long-term debt...................     460,146   $  221,973
Long term debt, net of current maturities..............   3,805,138    3,672,442
Stockholders' equity:
Common stock, $.0024 par value, 10,000,000 shares
  authorized,  3,366,841 shares issued and outstanding
  actual and 5,366,841 shares issued and outstanding
  as adjusted(2).......................................       8,080       12,880
Additional paid in capital.............................     570,002   16,426,581
Retained earnings......................................     939,515      939,515
                                                         ----------  -----------
     Total stockholders' equity........................  $1,517,597  $17,378,976
                                                         ----------  -----------
     Total capitalization..............................  $5,782,881  $21,273,391
                                                         ==========  ===========


(1)  The Company  owes Dr. and Mr.  Macedo  $135,000  at  December  31, 1997 for
     short-term cash advances.

(2)  Excludes  11,205  shares of  Common  Stock  issued on March 11,  1998 to an
     executive officer.

                                       14
<PAGE>


                           SELECTED FINANCIAL DATA

     The consolidated  selected financial data presented below for the Company's
consolidated  statements  of  operations  data for the years ended  December 31,
1995, 1996 and 1997 and the balance sheet data at December 31, 1996 and 1997 are
derived from the Company's  consolidated  financial  statements  which have been
audited  by KPMG  Peat  Marwick  LLP,  independent  public  accountants,  and as
indicated in their report included  elsewhere in this  Prospectus.  The selected
consolidated  balance  sheet  data at  December  31,  1995 is  derived  from the
consolidated financial statements of the Company which have been audited by KPMG
Peat Marwick LLP, independent public accountants,  but which are not included in
this  Prospectus.  The Company  commenced  operations on January 1, 1995. Due to
control by the Company,  the operations of MPS have been consolidated with those
of the Company for all periods  presented and the  operations of Yater have been
consolidated  for the  period  ending  December  31,  1997 and should be read in
conjunction with the Company's  consolidated  financial statements and the notes
thereto,  and  the  information  in  Management's  Discussion  and  Analysis  of
Financial  Condition  and  Results  of  Operations  included  elsewhere  in this
Prospectus.

                                                    YEARS ENDED DECEMBER 31,
                                              ----------------------------------
                                                 1995        1996       1997
                                              ----------  ---------- ----------
STATEMENT OF OPERATIONS DATA:
Net patient service revenue.................  $1,117,962  $1,078,343 $6,028,181
Fee revenue--related parties................      33,182     225,787    575,610
Total revenue...............................   1,151,144   1,304,130  6,603,791
Operating expenses:
     Medical malls salaries, benefits and 
       other costs..........................     567,535     596,520  2,133,064
     Medical malls management fee expenses..        --          --    1,140,744
     Medical malls bad debt expense.........     133,094      86,786    912,799
     Fee-related expenses...................     124,028     200,870    413,503
     General and administrative expenses....      37,735     111,246    841,532
     Depreciation and amortization..........      20,083      30,559    117,591
Total operating expenses....................     882,475   1,025,981  5,559,233
Income from operations......................     268,669     278,149  1,044,558
Net interest expense........................     (14,886)    (24,765)  (193,154)
Gain on sale of equipment...................        --          --      424,499
Income before income taxes..................     253,783     253,384  1,275,903
Provision (benefit) for income taxes........     (30,324)    (13,624)   229,340
Net income..................................  $  284,107  $  267,008 $1,046,563
Net income per share........................                         $      .31
Weighted average number of shares out
  standing..................................                          3,363,084

                                                            DECEMBER 31,
                                              ----------------------------------
                                                 1995         1996       1997
                                              ----------  ----------  ----------
BALANCE SHEET DATA:
Working capital.............................  $  423,123  $  549,198  $1,930,487
Total assets................................     678,173     881,659   7,204,222
Long-term debt, net of current maturities...     164,230     232,463   3,805,138
Total stockholders' equity..................     271,391     388,477   1,517,597

                                      15
<PAGE>


         MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
                          AND RESULTS OF OPERATIONS

     The following  discussion and analysis  should be read in conjunction  with
the Company's  consolidated financial statements (and the related notes thereto)
included elsewhere in this Prospectus.  This discussion contains forward-looking
statements that involve risks and  uncertainties,  the Company's  actual results
may  differ  materially  from  the  results  discussed  in  the  forward-looking
statements.  Factors  that might cause such a  difference  include,  but are not
limited to, those discussed in Risk Factors.

OVERVIEW

     The Company  provides or arranges for the provision of management  services
to medical  practices and develops  low-cost  physician driven provider networks
and medical  mall  facilities.  The Company has  developed  three  medical  mall
facilities in the Washington,  D.C.  metropolitan  area, each providing  medical
services ranging from general family practice to selected  specialties.  Through
the medical mall  facilities,  the Company  enables  health care  providers  and
payors to offer  patients  high-quality  medical  services  on a  cost-effective
basis.  Additional physician management services provided by the Company include
marketing,  health  care payor  contracting  and  financial  and  administrative
management. The Company currently manages a network of approximately 57 licensed
health care  providers  that treat over  100,000  active  patients.  The Company
intends  to  rapidly   expand  the   medical   mall   concept   throughout   the
Washington-Baltimore metropolitan area and throughout the mid-Atlantic region to
take advantage of market opportunities.

     The  Company's  consolidated  financial  statements  reflect  the  combined
operations of the PCs for the year ended  December 31, 1997. MPS is wholly owned
by Dr. Steven  Macedo,  the Chairman of the Board of the Company,  and his wife,
Dr. Ilene Macedo. Yater was purchased by Drs. Steven and Ilene Macedo on January
17, 1997.  Prior to this Offering,  Dr. Macedo and his brother,  Michael Macedo,
the Chief Executive  Officer of the Company,  beneficially  owned  approximately
88.8% of the  outstanding  shares of Common Stock of the  Company.  Accordingly,
notwithstanding the lack of technical majority ownership of the PCs, through Dr.
Macedo's  ownership  interest  in the PCs,  the  Company  may be  deemed to have
sufficient control over the operations of such entities so that consolidation of
the  operations  of the PCs into those of the  Company is  necessary  to present
fairly the  financial  position and results of  operations  of the Company.  The
Company is also a party to transfer restriction agreements with the shareholders
of  Yater  and  partners  of MPS.  These  agreements  restrict  the  sale of the
ownership  interests by Drs. Steven and Ilene Macedo in Yater and  automatically
transfer the ownership  interests to a  Company-designated  transferee  upon the
death,  disability,  or  disqualification of the owners or dissolution of Yater.
Nominal  consideration is required upon such  involuntary  transfer of the Yater
shares. The MPS partnership interest transfer restriction agreement provides for
a payment  from the  Company to the  estate of the  partners  upon the  partners
death,  disability or  disqualification  or the dissolution of MPS at a mutually
agreed-upon  fair value at time of transfer.  Due to the presence of this common
control by the Macedos in conjunction  with the ownership  transfer  restriction
agreements  effective December 31, 1997, the PCs have been consolidated with the
operations  of the Company for the year ended  December 31, 1997.  Yater was not
consolidated   with  the  Company  until  1997  since  common  control  was  not
established until that time.

     The Company's total revenue consists primarily of patient revenue generated
by the PCs.  The Company has  numerous  contracts  with  third-party  payors and
managed care  companies to provide  physician  services  based on  contracted or
negotiated  fee  schedules.  Services  under these  agreements  are  recorded as
revenue  when  provided.  No contracts  with  third-party  payors or  individual
managed care agreements are material to the Company.

     Operating  expenses  consisted  primarily  of costs to operate  the medical
malls and include  salaries,  benefits and other costs,  management fee expenses
and bad debt  expenses.  Under the  management  service  agreements  between the
Company and the PCs, the Company is  responsible  for providing or arranging for
the  provision  of  management  and  administrative  services  for  the  medical
practices of the PCs. In connection with its services,  the Company has retained
for the  benefit of the PCs, a separate  company to provide  certain  management
services.  This company,  Medi-Cen, of Maryland,  Inc. (MOM), has entered into a
franchise  agreement  with the Company  providing  MOM with the right to use the
Medi-Cen name

                                      16
<PAGE>


and model in connection  with the development of medical mall facilities and the
obligation  to provide  operational  services  at the medical  malls,  including
payment of rent for the  facilities,  purchase of  supplies  and  equipment  and
salaries for non-professional staff.

     In  consideration  of 34.25% of collections of net patient service revenue,
MOM has  agreed to  assume  responsibility  for all  expenses  related  to rent,
non-medical  personnel,  equipment  and supplies in the operation of the PCs and
the medical malls.  During 1997,  34.25% of  collections of net patient  service
revenue equaled 17.3% of total revenue or 18.9% of net patient service  revenue,
giving  effect  to the delay in timing of the  receipt  of net  patient  service
revenue. MOM is primarily owned by the health care providers employed by the PCs
and as equity owners,  the providers  make decisions  regarding the operation of
the  facilities  and also bear the economic  risk that amounts paid to MOM under
the  franchise  agreement  will  be  sufficient  to pay  the  expenses  of  such
operation.

     The Company has responsibility for all other costs and services relating to
the management of the medical malls and the PCs, including,  but not limited to,
management information systems, insurance and quality control. More importantly,
the  Company  also  works  with the PCs to  develop  additional  medical  malls,
including  locating mall sites,  recruiting  additional  health care  providers,
merging other health care  practices  into the PCs,  negotiating  contracts with
managed care  organizations  and providing  additional  ancillary  services.  To
reduce or control  expenses,  among other things,  the Company reviews  staffing
levels  at the  medical  malls to make sure they are  appropriate,  assists  the
health care  providers  in  developing  more  cost-effective  clinical  practice
patterns, and intends to establish centralized purchasing for medical supplies.

     After the payment of all costs  relating to the  management  of the medical
mall  facilities,  including  the fees paid to MOM,  the  Company is entitled to
receive, as its management fee, 60% of the remaining collections. This amount is
a minimum  of  $500,000  per year and may not  exceed  $1,000,000  annually  for
existing  medical mall  facilities  and  $500,000  annually for new medical mall
facilities.  The  remaining  collections  are retained by the PCs to satisfy all
professional costs,  including health care provider salaries,  taxes and certain
other  professional  costs.  During 1997,  medical malls salaries,  benefits and
other costs were in fact equal to 29.7% of total  revenue,  giving effect to the
Company's accrual based accounting method.

     In 1997,  the  management fee payable to MOM was less than its expenses and
the Company was  required to loan to MOM an amount  sufficient  to permit MOM to
pay its operational  expenses. At December 31, 1997, the Company's balance sheet
reflected an outstanding  receivable of $1.2 million for such advances.  The PCs
typically  do not acquire a new health  care  provider's  receivables  when such
health care provider becomes employed by a PC or his or her practice is acquired
by a PC.  Therefore,  during the period between the  commencement of billing for
such health care  provider  and the  receipt of  collections  in respect of such
billings, no cash is collected.  Furthermore, when medical malls open, a further
delay in  collections  occurs  during  the  start-up  phase as the  health  care
provider  goes through the  credentialing  process  with payors.  As a result of
these  delays,  the  payments  to MOM in  respect  of its  management  fees  are
significantly  reduced as the MOM fee is based on collected net patient  service
revenue.  The Company believes that once a medical mall has a full complement of
health care providers who have  reestablished  a billing  receivables  base, the
management  fees payable to MOM out of collections  will likely be sufficient to
cover its expenses  and the Company  will not be required to advance  management
fee payments to MOM. In addition,  during start-up phases for particular  health
care  providers,  the Company or Yater may advance  some amount of funds to such
providers while collections may lag behind billings.

     Simultaneously with the closing of this Offering,  the Company will acquire
Medi-Cen  Corporation  of  America  (MCA)  through a merger of MCA into a wholly
owned subsidiary of the Company (the Merger). In connection with the Merger, the
Company will issue up to 116,109 shares of its Common Stock to the  shareholders
of MCA. Prior to the Merger,  MCA developed the medical mall  franchise  concept
and received franchise fees from MOM in connection with this operation. MCA also
provided  services to the PCs in connection with  negotiations for insurance and
managed care contracts.  The effects of this Merger will be insignificant to the
consolidated financial position and operations of the Company.

                                      17

<PAGE>


RESULTS OF OPERATIONS

     The Company believes that its historical  results of operations from period
to  period  are not  comparable  and  that  such  results  are  not  necessarily
indicative of results for any future  periods.  The  following  table sets forth
certain  items from the  Company's  Statements  of Operations as a percentage of
total revenue for the periods indicated:

                                                        YEARS ENDED DECEMBER 31,
                                                        ------------------------
                                                         1995     1996    1997
                                                         ----     ----    ----
Total revenue..........................................  100.0%   100.0%  100.0%
     Medical malls salaries benefits and other costs...   49.3     45.7    32.3
     Medical malls management fee expenses.............   --       --      17.3
     Medical malls bad debt expense....................   11.6      6.7    13.8
     Fee related expenses..............................   10.8     15.4     6.3
     General and administrative expenses...............    3.3      8.5    12.7
     Depreciation and amortization.....................    1.7      2.3     1.8
                                                         -----    -----   -----
Income from operations.................................   23.3     21.4    15.8
     Net interest expense..............................    1.3      1.9     2.9
     Gain on sale of equipment.........................   --       --       6.4
     Provision (benefit) for income taxes..............   (2.6)    (1.0)    3.5
                                                         -----    -----   -----
Net income.............................................   24.6%    20.4%   15.8%
                                                         =====    =====   =====

Year Ended December 31, 1997 compared to year ended December 31, 1996

     Total revenue.  Total revenue was  approximately  $6.6 million for the year
ended  December 31, 1997 (Fiscal  Year 1997) as compared to  approximately  $1.3
million for the year ended December 31, 1996 (Fiscal Year 1996),  an increase of
$5.3 million or 408%. This increase was primarily attributable to an increase in
the number of licensed  health care providers and the associated  patient volume
related to the  addition of Yater and growth in MPS. In Fiscal Year 1997,  total
revenues was comprised of 91.3% net patient service revenue and 8.7% fee revenue
from related  parties.  In Fiscal Year 1996,  the Company's  total  revenues was
comprised  of 82.7% net  patient  service  revenue  and 17.3% fee  revenue  from
related parties.  Fee revenue from related parties reflects payments made by MOM
to the Company on behalf of the PCs for management  information  services.  This
amount will now be  collected by the Company  directly  from the PCs pursuant to
the management services agreement.

     Medical malls salaries,  benefits and other costs.  Medical malls salaries,
benefits and other costs were approximately $2.1 million for Fiscal Year 1997 as
compared to $596,520  for Fiscal Year 1996,  an increase of  approximately  $1.5
million or 251%. This increase was attributable to the execution of a management
services  agreement with Yater,  which  significantly  expanded the professional
staff from 11 providers to 53. As a percentage of total revenue,  these expenses
decreased  from  45.7%  Fiscal  Year 1996 to 32.3%  Fiscal  Year 1997 due to the
ability of the PCs to  negotiate  lower  prices for the  acquisition  of medical
practices.

     Medical malls  management  fee expenses.  In Fiscal Year 1997,  the Company
incurred medical malls  management fee expenses of  approximately  $1.1 million.
These  expenses are  attributable  to the fees paid to MOM for the  provision of
certain administrative services on behalf of the PCs.

     Medical malls bad debt expense. Medical malls bad debt expense was $912,799
for Fiscal Year 1997 as compared to $86,786 for Fiscal Year 1996, an increase of
$826,013  or 952%.  This  expense is  attributable  to the  default by  patients
responsible  for the payment of any co-payments or other  unreimbursed  costs of
medical services. The increase in Fiscal Year 1997 was primarily attributable to
the inclusion of Yater in this  calculation.  As a percentage of total revenues,
this  expense  increased  from 6.7% in Fiscal  Year 1996 to 13.8% in Fiscal Year
1997 due to the costs associated with integrating new medical practices into the
medical  malls.  Because there can be a delay between the time a newly  acquired
health care provider begins to treat patients and the time such provider becomes
credentialed  by health care payors,  payments for such services are  frequently
delayed and as a result medical malls bad debt expense increases.

                                       18

<PAGE>



     Fee related  expenses.  Fee related  expenses were $413,503 for Fiscal Year
1997 as compared to  $200,870  for Fiscal Year 1996,  an increase of $212,633 or
106%.  These  expenses  relate to the  direct  costs of the  Company  to provide
management  information  systems to the PCs pursuant to the management  services
agreements.  The  increase of these  expenses in Fiscal Year 1997 was  primarily
attributable to the addition of management information systems provided to Yater
in 1997. As a percentage of total revenue,  these expenses  decreased from 15.4%
in Fiscal  Year 1996 to 6.3% in Fiscal Year 1997 due to  efficiencies  gained by
costs being distributed among a larger number of health care providers.

     General and administrative  expenses.  General and administrative  expenses
were $841,532 for Fiscal Year 1997 as compared to $111,246 for Fiscal Year 1996,
an increase of $730,286 or 656%. This increase was primarily attributable to the
costs  of  expansion  and  professional  fees.  These  expenses  increased  as a
percentage  of total  revenue  from 8.5% in Fiscal  Year 1996 to 12.7% in Fiscal
Year 1997 due to the increase in medical practices acquired.

     Depreciation and  amortization.  Depreciation and amortization was $117,591
for Fiscal Year 1997 as compared to $30,559 for Fiscal Year 1996, an increase of
$87,032 or 285%. This increase was primarily attributable to the amortization of
the goodwill resulting from the acquisition of Yater.

     Income  from  operations.  As  a  result  of  the  foregoing,  income  from
operations  was  approximately  $1.0 million for Fiscal Year 1997 as compared to
$278,149 for Fiscal Year 1996, an increase of $766,409 or 276%. However,  income
from operations  decreased as a percentage of total revenue from 21.4% in Fiscal
Year 1996 to 15.8 % in Fiscal Year 1997 due to the additional  expenses  related
to the acquisition of Yater.

     Net interest  expense.  Net  interest  expense was $193,154 for Fiscal Year
1997 as compared  to $24,765  for Fiscal  Year 1996,  an increase of $168,389 or
680%. This increase is  attributable  to the increased  borrowings of the PCs to
finance the acquisition of medical practices.

     Gain on sale of  equipment.  In Fiscal  Year  1997,  the  Company  realized
$424,499 from the sale of equipment by the PCs to MOM.

     Provision  (benefit)  for income  taxes.  Provision  for  income  taxes was
$229,340  for Fiscal  Year 1997 as  compared  to a benefit of $13,624 for Fiscal
Year 1996,  an increase of $242,964.  This  increase is  attributable  to higher
income generated during the period.

     Net income.  As a result of the  foregoing,  net income was  $1,046,563 for
Fiscal Year 1997 as compared  to $267,008  for Fiscal Year 1996,  an increase of
$779,555 or 292%.

Year Ended December 31, 1996 compared to year ended December 31, 1995

     Total revenue. Total revenue was approximately $1.3 million for Fiscal Year
1996 as compared to  approximately  $1.2 million for the year ended December 31,
1995 (Fiscal  Year 1995),  an increase of $152,986 or 13.3%.  This  increase was
attributable  to an  increase  in  patient  volume.  In Fiscal  Year  1996,  the
Company's  total revenues was comprised of 82.7% net patient service revenue and
17.3% fee revenue from related parties.  In Fiscal Year 1995, total revenues was
comprised of 97.1% net patient service revenue and 2.9% fee revenue from related
parties.

     Medical malls salaries,  benefits and other costs.  Medical malls salaries,
benefits  and other  costs was  $596,520  for Fiscal  Year 1996 as  compared  to
$567,535 for Fiscal Year 1995, an increase of $28,985 or 5.1%. This increase was
attributable  to the  employment of additional  health care providers by MPS and
was partly offset by the termination of employment of certain other providers.

     Medical malls bad debt expense.  Medical malls bad debt expense was $86,786
for Fiscal Year 1996 as compared to $133,094 for Fiscal Year 1995, a decrease of
$46,308 or 34.8%.  This decrease was  attributable  to a decrease in defaults by
patients  responsible for the payment of any  co-payments or other  unreimbursed
costs of medical services.

     Fee related  expenses.  Fee related  expenses were $200,870 for Fiscal Year
1996 as  compared to  $124,028  for Fiscal Year 1995,  an increase of $76,842 or
62%. This increase was attributable to management  information  systems provided
to one new medical mall facility.

                                       19

<PAGE>

     General and administrative  expenses.  General and administrative  expenses
were  $111,246 for Fiscal Year 1996 as compared to $37,735 for Fiscal Year 1995,
an increase of $73,511 or 195%.  This increase was  attributable to the costs of
expansion and professional fees.

     Depreciation  and  amortization.  Depreciation and amortization was $30,559
for Fiscal Year 1996 as compared to $20,083 for Fiscal Year 1995, an increase of
$10,476 or 52.2%.

     Income  from  operations.  As  a  result  of  the  foregoing,  income  from
operations  was $278,149 for Fiscal Year 1996 as compared to $268,669 for Fiscal
Year 1995,  an  increase  of $9,480 or 3.5%.  However,  income  from  operations
decreased  as a  percentage  of total  revenue from 23.3% in Fiscal Year 1995 to
21.3% in Fiscal Year 1996 due to additional expenses related to the expansion of
MPS.

     Net interest expense. Net interest expense was $24,765 for Fiscal Year 1996
as compared to $14,886 for Fiscal Year 1995,  an increase of $9,879 or 66%. This
increase  is  attributable  to  increased  borrowings  by  MPS  to  finance  the
acquisition of medical practices.

     Provision (benefit) for income taxes.  Provision (benefit) for income taxes
was  $(13,624)  for Fiscal Year 1996 as compared  to  $(30,324)  for Fiscal Year
1995, an increase of $16,700.

     Net  income.  As a result of the  foregoing,  net income was  $267,008  for
Fiscal Year 1996 as compared  to  $284,107  for Fiscal Year 1995,  a decrease of
$17,099 or 6.0%.

LIQUIDITY AND CAPITAL RESOURCES

     To date,  the  Company  has  financed  its  operations,  including  working
capital,  using bank  borrowings and loans from corporate  officers,  as well as
from cash flow generated from operating activities. As of December 31, 1997, the
Company  had net  working  capital of  $1,930,487,  as compared to a net working
capital at December 31, 1996 of $549,198.

     At December 31, 1997, the Company's current  liabilities  included $383,534
in  accrued  salaries  and  benefits,  payable  in the  ordinary  course  of its
business.  It also  included  $135,000  payable to Dr. Steven Macedo and Michael
Macedo, officers of the Company. As of the date of this Prospectus,  the Company
owes  approximately  $270,000,  together with interest at the rate of prime rate
plus 0.5%, to Dr. Macedo and Michael Macedo and these amounts are expected to be
repaid from a portion of the net proceeds of the Offering. See Use of Proceeds.

     In  October  1996,  the  Company  obtained  a bank  loan in the  amount  of
$105,000,  which bears  interest at the rate of prime rate plus 1% per annum and
must be repaid  by  October  1,  2001.  The  assets  of the  Company,  excluding
certificates of deposit,  secure this loan.  Furthermore,  Dr. Steven Macedo and
Michael  Macedo,  officers  of the  Company,  have  each  personally  guaranteed
repayment of this loan. The Company intends to use a portion of the net proceeds
from this Offering to repay this debt. See Use of Proceeds.

     In May 1997, the Company obtained two bank loans in the aggregate amount of
$300,000.  $200,000  of this loan bears  interest at the rate of prime rate plus
1.5% per annum and must be repaid by May 28,  1998.  $100,000 of this loan bears
interest at the rate of 9.5% per annum and must be repaid by May 28,  2002.  The
assets of the Company,  excluding  certificates of deposit,  secure these loans.
Furthermore, Dr. Steven Macedo and Michael Macedo, officers of the Company, have
each personally  guaranteed repayment of these loans. The Company intends to use
a portion of the net proceeds from this Offering to repay these amounts. See Use
of Proceeds.

     In December 1997, the Company  obtained a bank loan and a line of credit to
fund the  acquisition  of new medical  practices.  The loan is in the  principal
amount of  $3,000,000,  which bears interest at the rate of prime rate plus 0.5%
per annum and must be repaid by January 1, 2004. Interest is due monthly on this
loan until February 1, 1999 when  principal  payments of $50,000 also become due
monthly.  The line of credit is  available  in the amount of  $1,500,000,  which
bears  interest at the rate of prime rate plus 0.5% per annum and must be repaid
by January 1, 2004. As of the date of this Prospectus,  the outstanding  balance
on this line of credit is  approximately  $708,000.  Interest  is due monthly on
outstanding  balances  under  this line of credit  until  February  1, 1999 when
principal  payments become payable over 60 months.  The PCs are  co-borrowers on
these obligations, which are secured by all assets of the PCs as well as certain
other collateral more particularly defined in

                                       20


<PAGE>


the financing  documents.  These  obligations  are  guaranteed by Dr. Macedo and
his wife.  Dr.  Macedo's  parents have also  guaranteed up to $1,500,000 of this
debt.

     In February 1998, the Company  obtained a revolving  bank line of credit in
the amount of $260,000, which bears interest at the rate of prime rate plus 0.5%
per annum. As of the date of this  Prospectus,  the outstanding  balance on this
line of credit is  $260,000.  The  Company  intends  to use a portion of the net
proceeds  from this  Offering  to repay  such  outstanding  balance.  See Use of
Proceeds.

     From  inception,   the  Company's  operations  have  been  funded  by  bank
borrowings and borrowings from individuals.  The Company's operating  activities
provided (used) cash of  $(1,164,639),  $163,639,  $274,504 for the Fiscal Years
1997, 1996 and 1995,  respectively.  In Fiscal Year 1997 cash was primarily used
by an increase in accounts  receivable from the increased patient volume related
to the acquisition of Yater and advances made to related parties. In Fiscal Year
1996, cash was primarily provided by operating activities.  In Fiscal Year 1995,
cash was primarily provided by the receipt of fees from MOM.

     The Company's  investing  activities  provided (used) cash of $(1,175,575),
$(639) and $33,244 in Fiscal Year 1997, 1996 and 1995,  respectively.  In Fiscal
Year 1997 cash was primarily used in the purchases of  certificates  of deposit,
all of which were  utilized  to  guarantee  debt of the PCs,  as well as to make
advances to related parties.  In Fiscal Year 1996, cash was used in the purchase
of furniture and equipment. In Fiscal Year 1995, cash was provided by the return
of deposits.

     The Company's  financing  activities  provided  (used) cash of  $2,969,636,
$(222,771) and $(232,933), in Fiscal Year 1997, 1996 and 1995, respectively.  In
Fiscal Year 1997, cash was primarily provided by borrowings of long-term debt by
the PCs. In Fiscal Year 1996,  cash was primarily used by  distributions  to the
partners of MPS,  who are Dr.  Steven  Macedo and Dr.  Ilene  Macedo,  which was
partly  offset by cash  provided by long-term  borrowings.  In Fiscal Year 1995,
cash was primarily used by distributions to the partners of MPS, Drs. Steven and
Ilene Macedo.

     The  Company's  cash position was $648,069 and $18,647 at December 31, 1997
and 1996, respectively.

     The  Company  intends  to  seek  to  expand  its  operations   through  the
acquisition of additional medical practices and the establishment of new medical
mall  facilities.  The Company believes that the combination of the net proceeds
raised from this  Offering,  together  with  internally  generated  funds,  will
provide   sufficient  cash  to  meet  the  Company's   capital  and  other  cash
requirements for at least the next twelve months.

     Management  believes  that  there  has been no  significant  impact  on the
Company's operations as a result of inflation.

SEASONALITY

     The health care practice  industry is somewhat  seasonal in nature,  and it
has been the Company's experience that patients visit health care providers less
frequently during the winter months  particularly in the mid-Atlantic region and
Northeast United States. Accordingly, patient revenue may be lower from December
through February.  In addition, as many health care payors require that patients
pay a deductible  amount at the beginning of each calendar year, the Company has
experienced lower collection rates during the first three months of each year.

                                       21


<PAGE>


                                   BUSINESS

OVERVIEW

     Medi-Cen Management, Inc. (MMI or the Company) provides or arranges for the
provision of  management  services to medical  practices  and develops  low-cost
physician driven provider networks and medical mall facilities.  The Company has
developed  three medical mall facilities in the  Washington,  D.C.  metropolitan
area, each providing  medical  services  ranging from general family practice to
selected specialties.  Through the medical mall facilities,  the Company enables
health care providers and payors to offer patients high-quality medical services
on a cost-effective basis.  Additional physician management services provided by
the Company include marketing, health care payor contracting  and  financial and
administrative   management.   The  Company   currently  manages  a  network  of
approximately  57 licensed  health care providers that treat over 100,000 active
patients (treated in the last 36 months).  The Company intends to rapidly expand
the medical mall concept throughout the  Washington-Baltimore  metropolitan area
and   throughout   the   mid-Atlantic   region  to  take   advantage  of  market
opportunities.

     The Company believes that there are several  advantages to its medical mall
strategy.  The  one-stop  facility  permits  patients to see both  primary  care
providers  and  specialists  under  one  roof,  which  is  both  convenient  and
time-saving.   In  addition,   the  Company  provides  patients  with  a  single
comprehensive monthly statement for all medical services provided at the medical
malls, thereby reducing paperwork and confusion.  The Company also believes that
the medical malls reduce overhead expenses, ultimately resulting in lower health
care delivery costs.  Finally,  the Company believes the medical malls will help
attract   high-quality   health  care  providers  by:  (i)  increasing  provider
compensation by lowering  overhead costs; (ii) allowing health care providers to
locally control the practice of medicine;  (iii) offering  providers the ability
to consult with other  specialists  in the  facilities;  and (iv)  providing the
financial incentive and autonomy of owning and operating the physical assets and
non-professional costs of the medical practices through its franchise structure.

INDUSTRY

     The Health Care Financing  Administration  estimates  that national  health
care spending in 1997 was in excess of $1 trillion,  with physicians controlling
more  than  80  percent  of  the  overall  expenditures.  The  American  Medical
Association reports that approximately  613,000 physicians are actively involved
in patient care in the United  States,  with a growing number  participating  in
multi-specialty or single-specialty  groups.  Expenditures directly attributable
to physicians are estimated at $246 billion.  Under such programs,  managed care
payors  typically  govern the  provision  of health care with the  objective  of
ensuring  delivery of quality care in a cost-effective  manner.  The traditional
fee-for-service   method  of  compensating  health  care  providers  offers  few
incentives for the efficient  utilization of resources and is generally believed
to contribute to health care cost increases at rates  significantly  higher than
inflation. Consequently, fee-for-service reimbursement is rapidly being replaced
by   alternative   reimbursement   models,   including   capitated   and   other
discounted-fee arrangements. The growth in enrollment in these new reimbursement
models is shifting the financial  risk of delivering  health care from payors to
providers.

     As a result of this  changing  health  care  environment,  health care cost
containment pressures have increased physician management responsibilities while
lowering reimbursement rates to physicians. Consequently, physician compensation
has  declined.  Because  the  majority  of  all  physicians  currently  practice
individually  or in small groups,  their ability to lower costs and to negotiate
with payors is limited.  Individual  physicians  and small group  practices also
tend to have limited administrative capacity,  limited ties to other health care
providers  (restricting  their  ability to  coordinate  care across a variety of
specialties),   limited  capital  to  invest  in  new  clinical   equipment  and
technologies and limited  purchasing power with vendors of medical supplies.  In
addition,  individual  physicians and small group  practices  typically lack the
information  systems necessary to enter into and manage  risk-sharing  contracts
with payors and to implement disease management programs efficiently.

     In response to the foregoing factors, individual physicians and small group
practices are increasingly affiliating with larger group practices and physician
practice management  companies (PPMs). By affiliating with physician  practices,
PPMs are providing  physicians with lower  administrative  costs,  leverage with
vendors  and  payors  and  economies  of  scale  necessary  to  attract  capital
resources.  In addition,  management  companies and  consultants  are organizing
independent physician practices,  independent physician associations,  physician

                                       22

<PAGE>


hospital  organizations  and other  physician  organizations  for the purpose of
enabling  physicians to enter into agreements with managed care payors. In 1995,
only 6% of physicians nationally were affiliated with a publicly traded practice
management  company.  It is estimated that by the year 2000, in excess of 20% of
physicians will be affiliated with such companies.

     Physicians have historically  sought to maintain their  independence.  With
the  prevalence of managed care,  physician  revenue has declined and physicians
who  have  not  sought  to  develop  cost  efficient  operations  have  suffered
financially.  In traditional  physician hospital  organizations  and other
practices  managed  by third  parties,  physician  input  has  often  been  low,
therefore  such  arrangements  have not been  favored by health care  providers.
Accordingly,  such  providers  have sought to  affiliate  with  physician-driven
organizations.

     The  Washington,   D.C.  area  in  which  the  Company  operates  has  been
particularly  affected by the changing health care environment  described above.
As the number of health care  providers  has risen in the  Company's  market and
managed care has become more  prevalent,  the  competition  among  providers for
health  care payor  credentials  has  increased  and many health care plans have
closed their plans to new  physicians.  Accordingly,  health care  providers who
have been closed out of plans have  encountered  more  difficulty  in attracting
patients,  who may be required to consult only with providers  participating  in
such plans. The Company believes that by negotiating contracts with the majority
of the payors within its markets,  it can provide  health care  providers with a
steady stream of patients.

     As the practice  management  industry  matures,  the Company  believes that
established companies such as the Company will have a competitive advantage over
new entrants  since they already have a critical  mass of health care  providers
and a stable operating history. In addition,  entities such as the Company which
have developed  relationships with diversified payors offer providers  decreased
dependence  on any one payor source and leverage in  negotiating  discounts  and
capitation rates.

     The Company  believes that fewer than 6% of  physicians  in the  Washington
D.C.  metropolitan  area  have  entered  into  practice  management  agreements.
Therefore,  there  are  significant  opportunities  for the  Company  to  assist
physicians in developing medical mall facilities and managing the administrative
aspects of group practices and networks.

STRATEGY

     The  Company's  strategy is to develop  and sustain an alliance  among high
quality regional primary care and specialized  licensed health care providers in
order to create a  comprehensive,  integrated  health care delivery  system that
reduces  medical costs for patients and health care payors.  The Company intends
to:

     o Develop  Additional  Medical  Mall  Facilities.  The  Company  intends to
develop  additional  medical  mall  facilities,  initially  in the  Washington -
Baltimore  metropolitan  area and then throughout the mid-Atlantic  region.  MMI
will identify sites, negotiate leases, develop facilities, establish operational
structure  and recruit  physicians.  The  Company  intends to develop up to five
additional medical mall facilities during the next 12 months.

     o Provide Low Cost Medical Services by Increasing Operational  Efficiencies
and  Cost  Reductions.  By  consolidating   primary-care  based  multi-specialty
practices  within  medical  mall  facilities,  the Company may reduce  overhead,
increase  efficiency  and improve the  operations  for the  provision of medical
services.  Specialists  employed  by the  PCs  may  rotate  among  medical  mall
facilities, spreading a larger patient base over a smaller number of specialists
and making an increased range of specialty services  available to patients.  The
Company is also seeking to increase its operating  efficiency  through expansion
of its market area and number of patients, development  of  additional  in-house
services and increase  emphasis on outpatient  care. The Company also intends to
improve the economies of scale of medical practices through centralized billing,
information management and other services.

     o Attract  High  Quality  Health Care  Providers.  The Company will seek to
attract  high-quality  health care providers to the medical malls by offering an
environment  conducive to providing  superior medical care. The Company believes
the medical mall concept will attract additional  high-quality providers because
it: (i) reduces  overhead costs;  (ii) increases  patient volume by offering the
opportunity to consult with other specialists in the

                                       23

<PAGE>



facilities;  (iii) increases revenue  enhancement  potential by diversifying the
payor base; and (iv) provides more control over local practice  governance  than
other PPMs.

     o Diversify  Payor Base. The Company's mix of patients is reflective of the
payor  system in its  markets.  This broad  customer  base  affords  leverage in
negotiating  discounts  and  capitation  rates and lowers  dependence on any one
payor source.  As of December 31, 1997, the Company received  payments from over
1,400 health care payors.

     o  Utilize  Sophisticated   Management  Information  Systems.  The  Company
believes  that  information  technology  is critical to the growth of integrated
health care delivery systems, quality control and cost containment.  The Company
develops and maintains sophisticated management information systems that collect
and analyze  administrative  data.  These  systems  allow the Company to control
overhead expenses,  maximize  reimbursement and provide utilization  management.
The Company evaluates the  administrative  functions of the medical practices in
the medical malls and modifies  these  functions as  appropriate  in conjunction
with the implementation of the Company's management information systems.

CORPORATE STRUCTURE

     Physician practice management  companies typically employ three methods for
providing   management   services  to  medical  groups:  (i)  physician  service
arrangements under which a management company administers a contract or supplies
labor for a  hospital-based  specialty  group,  such as an emergency  room; (ii)
equity  arrangements,  where  the  management  company  is  responsible  for the
operations of acquired  practices and physicians are  responsible  for providing
medical  services and where both the  management  company and the  physician are
compensated  by a percentage of revenues and a percentage of profits;  and (iii)
network management  agreements,  which allows  independent  physicians to form a
group to leverage  negotiations  with managed  care  companies  while  remaining
independent.

     The following chart depicts the corporate structure of the Company.

                [CHART TO COME WILL SHOW RELATIONSHIP BETWEEN THE
                 FOLLOWING ENTITIES: THE COMPANY, MOM, THE PCs,
                INDEPENDENT PHYSICIAN NETWORK AND MEDICAL MALLS]

     The Company has developed a model by which  licensed  health care providers
in its medical mall  facilities  are both  employees of the PCs that control all
aspects of medical  delivery and, in many  instances,  are also equity owners in
MOM,  the  franchisee  that  controls   non-professional  medical  services  and
operation of the medical mall facilities.

     The PCs are owned by P. Steven Macedo,  M.D. and Ilene S. Macedo,  M.D. and
controlled by the Company.  Pursuant to management  services agreements with the
PCs, the Company  develops the medical  malls,  recruits  physicians  and either
provides or arranges  through  its  franchisee  for the  provision  of,  general
management services. Management services provided by the Company include but are
not limited to, financial  management,  human resources  management,  management
information systems and managed care contracting.

     The Company has arranged for a portion of the management  services provided
to the  medical  mall  practices  to be provided by its  franchisee,  MOM.  This
physician-owned  and  operated  company  provides for local  governance  and has
financial  responsibility  for the payment of rent for the facilities,  salaries
for  non-professional  staff and the  purchase of supplies  and  equipment.  See
Business-Franchise  Arrangements.  The Company has also entered into a franchise
agreement  with  Medi-Cen,  Corp. of Virginia,  whose  operations  are currently
immaterial.

                                       24

<PAGE>


     Through  MOM,  the  Company  also  has a  relationship  with a  network  of
independent  licensed  health care  providers  who retain  their own offices and
treat their own patients. This network plays an important role in recruiting new
providers to the medical mall facilities.

MEDICAL MALL FACILITIES

     The Company has developed the medical mall model as a market-based approach
to meet health care payor demand for price  competitive,  quality  services that
incorporate  primary care and  specialty  health care  providers  into a network
dedicated to serving a targeted  geographic  area.  Primary care includes family
practice,   internal  medicine,   pediatrics  and   obstetrics/gynecology.   Key
specialties include cardiology, radiology, neurosciences, surgery, ophthalmology
and ear,  nose and  throat.  At certain  facilities,  heath care  providers  and
support  personnel operate centers for diagnostic  imaging,  urgent care, cancer
management, mental health treatment and health education.

     The Company currently operates the following three medical malls:

<TABLE>
<CAPTION>
                       DATE      PROVIDERS BASED  PROVIDERS ROTATING             
 LOCATION           ESTABLISHED   AT LOCATIONS     AMONG LOCATIONS      PRACTICE AREAS
 --------           -----------   ------------     ---------------      --------------
<S>                 <C>           <C>                   <C>             <C>
Chevy Chase, MD     March 1996    16                    2               Neurology, Family Medicine,
                                                                        Neuropsychology, Psychology, Clinical Social
                                                                        Work, Podiatry, Physical Therapy, Pediatrics,
                                                                        Optometry
                                                                       
Washington, D.C.    January 1997  39                    8               Internal Medicine, Cardiology, General Surgery,
                                                                        Ear, Nose and Throat, Oncology, Neurology,
                                                                        Nephrology, Opthamology, OB-GYN, Orthopedics,
                                                                        Pediatrics, Clinical Social Work, Physical Therapy,
                                                                        Podiatry, Dermatology, Neuroscience,
                                                                        Radiology
                                                                       
Oxon Hill, MD       March 1997    2                    17               Family Medicine, Internal Medicine, Cardiology,
                                                                        OB-GYN, Neurology, Physical Therapy, Pediatrics,
                                                                        Radiology, Psychology, Clinical Social Work,
                                                                        Podiatry
                                                              
</TABLE>                                               
- ---------
(1) Certain specialists rotate among the medical mall facilities.

     To  attract   high-quality  health  care  providers  to  the  medical  mall
facilities,  the  Company  offers  a  comprehensive  set of  physician  practice
management  services,  including practice  formation,  site location,  financial
consulting, marketing, and payor contracting and management.

     Practice  Formation.  The Company assists medical group practices that join
the  medical  malls in  developing  and  expanding  their  practices  through  a
combination of professional  recruitment,  professional  specialty mix analysis,
acquisition   evaluation  and  integration,   ancillary   services   evaluation,
operations development and strategic planning.

     Site Location.  The Company  identifies and assists in the negotiations for
new medical  mall  locations  and  arranges  for and  supervises  any  necessary
facility buildout.

     Financial Consulting.  The Company arranges financing for the expansion and
acquisition  of medical  practices and in the future  intends to provide  credit
support for such acquisitions and expansions.

     Marketing.  The Company  assists health care  providers in marketing  their
medical  services  to health  care  payors,  insurance  companies,  self-insured
companies, referring physicians, hospitals and the patient community.

                                       25

<PAGE>

The Company, in close cooperation with the providers,  develops public relations
and community  outreach  programs  designed to educate managed care entities and
the patient community about the medical services provided at the medical malls.

     Payor Contracting and Management. The Company assists health care providers
in  negotiating  and  structuring  managed  care  contracts  with payors for the
provision  of medical  services.  The  Company  also works  with  medical  group
practices  to meet  credentialling  standards  and to manage the  provider/payor
relationship.

FRANCHISE ARRANGEMENTS

     As discussed  above,  the Company has arranged for MOM, its franchisee,  to
provide  certain  management  services to the PCs. MOM is primarily owned by the
licensed  health care  providers  that provide  medical  services at the medical
malls.  MOM provides local governance and has the financial  responsibility  for
the payment of rent for the facilities,  salaries for non-professional staff and
the purchase of supplies and  equipment.  As payment for its  services,  MOM has
been entitled to receive 43.25% of collections of net patient  service  revenue.
Of this  amount,  MOM paid to the  Company 8% in respect of fees for  management
information systems and 1% for a franchise fee.

     The Company and MOM have  entered into a franchise  agreement  which grants
MOM the exclusive  right to use the Medi-Cen  name in the State of Maryland.  In
exchange,  MOM  transferred  certain  assets to the  Company  as  payment  for a
one-time fee of $50,000 for use of the Company  franchise  and a one time fee of
$150,000 for franchise services. In addition,  MOM makes periodic payments of 1%
of the gross  billings of MOM each  month.  The  initial  term of the  franchise
agreement is 20 years with an option to renew for five additional years.

     The  Company  has  entered  into  an  identical  franchise  agreement  with
Medi-Cen,  Corp.  of Virginia for the State of Virginia,  whose  operations  are
currently immaterial.

MEDICAL PRACTICE SERVICES

     General.  The Company provides a full range of integrated  services to form
and develop  provider  networks  within the medical malls and to manage  medical
risk. These integrated  services include billing services,  information  systems
and administrative  support. The services provided by the Company to the medical
malls are also  available  to a network  of  independent  licensed  health  care
providers  on a fee for  service  basis.  MMI  provides  management  information
systems  and  practice  management  services  for  approximately  57 health care
providers  employed  by the  PCs.  These  providers  have,  with  the  Company's
assistance,  aggregated  their  practices  into group  practices  in the medical
malls.

     Medical  Information.  MMI maintains the hardware and software necessary to
ensure compliance with all relevant  information capture and reporting needs and
requirements  for the  operation  of the PCs.  The  Company  also  develops  and
maintains  customized  forms for the  purpose of  automated  communication  with
payors and patients and monitors the status of statements  and billing cycles to
maximize  effectiveness.  MMI works with and provides operations support to each
medical  mall  facility  for the purpose of  developing  accurate,  complete and
timely capture of charge and demographic information.  Additionally, the Company
develops and maintains  relevant  monthly health care provider reports and payor
reports,  which provide  information  needed for practice  management,  business
planning,  marketing and accounting.  MMI additionally establishes and maintains
automated  mechanisms  for the  receipt and  exchange  of  relevant  information
between  medical malls,  to and from payors and to and from  authorized  outside
agents.

     MMI  provides   practice  profile  reports  which  sort  and  list  patient
utilization  data by managed care plan,  diagnosis,  type of service,  amount of
payment and time of payment for the PCs. The  Company's  management  information
systems permit health care  providers to comply with all reporting  requirements
of third-party payors from which the PCs receive reimbursement,  and to validate
and verify the accuracy of reports or profiles of patient  services  utilization
data generated by managed care plans and other payors.

     Management Information Systems. MMI develops and maintains the systems used
to capture charges for professional services at the medical malls and reconciles
account information to minimize lost charges and non-billable services. MMI also
develops and maintains  mechanisms  for the capture of  demographic  information
required for utilization  data and reviews  clinical  procedure coding to ensure
accurate, complete and ethical description of professional services performed.

                                       26

<PAGE>


     MMI creates  accounts as utilization  data is received from the health care
providers  upon the  completion  of a  patient's  visit and  prepares  documents
necessary  to  provide  bills for  medical  services  including  any  customized
documents  requested by the PCs. The Company's systems daily produce primary and
secondary  claims and filings for relevant  payors.  The Company  also  performs
annual revisions of clinical procedure coding and facilitates the maintenance of
a professional  charge  description  paradigm to reflect a complete and accurate
menu  of  procedures  for  the  PCs.  MMI  additionally  maintains  systems  for
production or capture of medical  reports  needed to  substantiate  each medical
practice's charges and manages a mechanism to provide authorized legal access to
medical  records as required to comply with court  subpoenas,  legal  agents and
health care payor needs for documentation of services performed.

     Collection and Account Management. MMI's services related to collection and
account  management  include:  (i) processing or arranging for the processing of
claims for medical services; (ii) arranging for the PCs to submit information to
support  claims;  (iii)  submitting  standard  forms for the  payment  of claims
received from the PCs; and (iv) conducting  coordination of benefits  consistent
with the terms of applicable health insurance or plans. MMI also establishes and
maintains  escrow  or  client  trust  accounts  in  federally   insured  banking
institutions to facilitate the expeditious  receipt of payments from third party
payors and  patients  and the deposit of funds to  appropriate  accounts for the
PCs. In addition,  MMI coordinates any appropriate  collection  efforts with the
PCs, reviews credit balance accounts and maintains  medical practice accounts in
such a manner as to allow the production of patient account information which is
required by authorized outside legal and auditing agents.

     Patient Services. Patients may contact MMI directly to resolve any problems
that  may  arise  from  the  billing  and   collection  of  patients'   accounts
receivables.  Patient  services  include  maintaining a dedicated  phone line to
allow patients  direct access to a patient  service  representative;  processing
patient and insurance  company  correspondence  related to resolution of patient
accounts; and processing patient refunds when appropriate.

     Deposit of Funds.  MMI is  responsible  for  depositing  or  directing  the
deposit of  collected  amounts  into the  accounts of the PCs.  The Company also
initiates  transfers from the escrow or trust accounts maintained for payment of
fees to MMI in accordance with the management services agreements.

     Financial and  Administrative  Management.  The Company offers a variety of
financial  and  administrative  management  services to the PCs.  The  Company's
financial  management services include accounting,  payroll,  finance,  payables
management,  financial reporting,  financial controls, insurance negotiation and
management information systems.

MANAGEMENT INFORMATION SYSTEMS

     The Company  develops and maintains  sophisticated  management  information
systems to support  its growth and  acquisition  plans.  The  Company's  overall
information systems design is open, modular and flexible.

     The software  currently  used on the system is a customized  version of the
program  Medical  Manager.  The  software  has been  modified to allow  multiple
practices  to bill using the same copy of the  software  under  separate  E.I.N.
numbers;  to allow  for  electronic  filing  and  remission;  to  allow  patient
statements  to be  electronically  transmitted  to a remote  billing house which
mails out the  statements  to the  patients;  and to print  deposit  slips.  The
software is also currently being modified to automatically  handle referrals for
managed  care.   The  Company   intends  to  further   modify  its  software  to
automatically  calculate  single  capitation  payments to  separate  health care
providers in multi-specialty practices.

COMPETITION

     The  provision  of  physician  practice  management  services  is a  highly
competitive  business in which the Company  competes  with several  national and
many  regional and local  companies.  Certain of the Company's  competitors  are
dedicated to or  specialize  in the  management  of  single-specialty  practices
focused on specialties such as neurology, cardiology, podiatry and radiology and
may compete with the Company for providers of these  specialties.  The Company's
competitors in the  development  of medical mall  facilities  include  physician
hospital organizations, health maintenance organizations and physician practices
in general. The Company believes that it is able to compete

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<PAGE>



in this industry by: (i) increasing  provider  compensation by lowering overhead
costs;  (ii) allowing  health care providers to locally  control the practice of
medicine; (iii) offering providers the ability to consult with other specialists
in the  facilities;  and (iv) providing the financial  incentive and autonomy of
controlling  the  physical  assets  and  non-professional  costs of the  medical
practices through its franchise structure.

     Many  of  the  Company's   competitors  and  potential   competitors   have
substantially greater financial, product development,  technical,  marketing and
other resources than the Company,  and currently have, or may develop or acquire
substantially more health care providers under employment or management than the
Company. Although the Company believes that the barriers to entry into physician
practice  management  industry are relatively high,  additional  competitors may
enter the market and competition  may intensify.  There can be no assurance that
future  competition will not have a material adverse effect on the Company.  See
Risk Factors - Highly Competitive Industry.

GOVERNMENT REGULATION

     As a participant in the health care industry,  the Company's operations and
relationships are subject to extensive and increasing  regulation by a number of
governmental  entities  at the  federal,  state and local  levels.  The  Company
believes  its  operations  are in  material  compliance  with  applicable  laws.
Nevertheless, because of the nature of the Company's relationship with physician
organizations,  many aspects of the Company's business  operations have not been
the subject of formal state or federal regulatory  interpretations and there can
be no  assurance  that a review  by  courts  or  regulatory  authorities  of the
Company's  business or that of the PCs will not result in a  determination  that
could  adversely  affect the  operations  of the Company or that the health care
regulatory environment will not change so as to restrict the existing operations
or expansion plans of the Company or the PCs.

     Reimbursement.  Management estimates that approximately 14% of the revenues
of the PCs are derived from payments made by  government  sponsored  health care
programs  (principally  Medicare  and  Medicaid).  Consequently,  any  change in
reimbursement  regulations,  policies,  practices,  interpretations  or statutes
could  adversely  affect the  operations  of the Company.  The federal  Medicare
program has implemented a system of resource-based  relative value scale (RBRVS)
payment  methodology  for  medical  services.  The Company  expects  that future
changes  in the  RBRVS  fee  schedule,  as  required  by  law,  and in  Medicare
reimbursement generally, will result, in some cases, in a reduction and, in some
cases, in an increase from historical levels in the per-patient Medicare revenue
received by the PCs.  Although the Company does not believe any such  reductions
would have a material adverse effect on the Company,  the RBRVS fee schedule may
be adopted by other private payors,  which could have a material  adverse effect
on the Company. See Risk Factors - Cost Containment and Reimbursement Trends.

     Billing.  There are state and federal  civil and  criminal  statutes  which
impose   substantial   penalties,   including   civil  and  criminal  fines  and
imprisonment,  on health care  providers who  fraudulently  or  wrongfully  bill
governmental or other third-party  payors for health care services.  The federal
law  prohibiting  false billings allows a private person to bring a civil action
and  there  can be no  assurance  that  the  Company's  activities  will  not be
challenged or  scrutinized  by  governmental  authorities.  Moreover,  technical
Medicare and other reimbursement rules affect the structure of physician billing
arrangements.  The  Company  believes  it is in  material  compliance  with such
regulations,  but regulatory  authorities may differ in their interpretations of
such  regulations,  and in such  event,  the  Company  may  have to  modify  its
relationship  with the PCs.  Noncompliance  with such  regulations  could have a
material  adverse  effect on the  business,  financial  condition and results of
operations of the Company and subject it or the PCs to penalties and  additional
costs.

     Corporate  Practice of Medicine and Fee Splitting.  The laws of many states
prohibit business  corporations such as the Company from practicing medicine and
employing physicians to practice medicine. These laws forbid both direct control
over medical decisions and indirect interference, such as splitting medical fees
with  physicians or  controlling  budgetary  allotments  for patient care.  Laws
regarding  the  corporate  practice of medicine vary from state to state and are
enforced by the courts and by regulatory  authorities.  The  management  service
agreements  between the Company and the PCs address this issue by providing that
the PCs retain  complete  control over  medical  decision  making,  and that the
Company  may  neither  interfere  with  the  professional  judgment  of  medical
personnel nor control,  direct or supervise  the provision of medical  services.
Furthermore, the management services agreements provide that the Company may not
perform any services or activities  which  constitute  the practice of medicine,
patient care or quality monitoring. Administrative policies, budgets and

                                       28

<PAGE>

fee  schedules  affecting  the delivery of medical  services are  developed by a
Joint  Management  Advisory Board,  which is at all times controlled by licensed
health care providers.  MOM, the Company's franchisee,  performs  administrative
and business functions on behalf of the PCs. Although the Company believes it is
in material  compliance  with  regulations  regarding the corporate  practice of
medicine,  no assurance can be given that its operations  will not be challenged
by regulatory authorities.

     Fraud and Abuse  Statutes.  Certain  provisions of the Social Security Act,
commonly referred to as the Anti-kickback Statute,  prohibit the offer, payment,
solicitation or receipt of any form of remuneration  which is intended to induce
business for which payment may be made under a federal  health care  program.  A
federal  health  care  program  is any  plan or  program  that  provides  health
benefits,  whether  directly,  through  insurance or otherwise,  which is funded
directly, in whole or in part, by the United States government (e.g.,  Medicare,
Medicaid and  CHAMPUS).  Excluded  from the  definition  of federal  health care
program  is  the  Federal  Employee  Health  Benefits   Program.   The  type  of
remuneration covered by the Anti-kickback Statute is very broad. It includes not
only kickbacks,  bribes and rebates,  but also proscribes any such remuneration,
whether made directly or  indirectly,  overtly or covertly,  in cash or in kind.
Moreover,  prohibited conduct includes not only remuneration  intended to induce
referrals,  but also  remuneration  intended to induce the purchasing,  leasing,
arranging or ordering of any goods, facilities,  services or items paid for by a
federal  health  care  program.  The  Anti-kickback  Statute  has  been  broadly
interpreted by courts in many jurisdictions.  Read literally, the statute places
at risk many business arrangements,  potentially subjecting such arrangements to
lengthy and expensive  investigations and prosecutions  initiated by federal and
state government  officials.  Many states,  including some of those in which the
Company does business,  have adopted similar  statutory  provisions  which cover
other  third-party  payor patients.  The Company  believes that,  although it is
receiving  remuneration under the management service agreements from the PCs for
management  services,  it is not in a position to make or influence the referral
of patients or services  reimbursed under  government  programs to these medical
practices  and,  therefore,  believes  it has  not  violated  the  Anti-kickback
Statute.  Moreover,  the Company is not a separate provider of Medicare or state
health program  reimbursed  services.  To the extent the Company is deemed to be
either a referral  source or a separate  provider under its  management  service
agreements with the PCs and to receive referrals from physicians,  the financial
arrangements  under such agreements could be subject to scrutiny and prosecution
under the Anti-kickback  Statute.  Violation of the  Anti-kickback  Statute is a
felony,   punishable  by  criminal   fines  up  to  $25,000  per  violation  and
imprisonment for up to five years; a civil monetary  penalty of $50,000;  and/or
civil damages of not more than three times the amount of  remuneration  offered,
paid,  solicited  or  received  without  regard to whether  any  portion of such
remuneration  was for a lawful  purpose.  In addition,  the U.S.  Department  of
Health and Human Services (HHS) may impose civil penalties  excluding  violators
from participation in Medicare or state health programs.

     In July  1991,  in part to address  concerns  regarding  the  Anti-kickback
Statute, the federal government published  regulations that provided exceptions,
or safe  harbors,  for  transactions  that will be  deemed  not to  violate  the
Anti-kickback  Statute.  The federal government has adopted "Safe Harbors" which
exclude remuneration received in transactions  described in the regulations from
the definition of remuneration  under the Anti kickback rules. Safe Harbors have
been  adopted  for:  return on an  investment  interest,  such as a dividend  or
interest  income,  made to an investor in large publicly traded companies and in
companies which meet standards limiting the percentage of total equity which can
be held by investors in a position to refer to the entity; the lease of space or
equipment;  bona fide  employment;  the one time  purchase  of a  practice  by a
physician;  certain  price  reductions  offered  to certain  health  maintenance
organizations;  certain warranties or discounts;  certain referral services; and
payments  made by a principal to an agent under  personal  service or management
contracts.  Some of these safe harbors are  applicable to the  activities of the
Group  practices,   their  employee  physicians,   and  the  Company,  including
provisions  related  to  space  and  equipment  leases,   personal  service  and
management contracts, the sale of practices to physicians,  bona fide employment
relationships,  group practices,  physician  incentive plans and certain managed
care  contracting  activities.  Basically,  all  agreements  must be in writing,
describe all services to be provided,  be on commercially  reasonable terms, and
require payment  consistent  with fair market value in arms length  transactions
which is not  determined by taking into account the volume or value of referrals
of Medicare  and  Medicaid  business.  The Company  believes  that its lease and
management  activities  generally  fall  within the safe  harbors.  However,  no
independent  appraisal or fairness  opinion  concerning the fair market value of
such leases or services  agreements or the  reasonableness  of the consideration
received by the Company therefor has been secured, and there can be no assurance
that federal or state regulators might not challenge some of the transactions or
practices of the Company.  Failure to comply with a safe harbor exception or the
lack of a safe harbor with respect to a  transaction  does not itself result in,
or  constitute a violation  of, the fraud and abuse rules.  Although the Company
believes  that  it is  not  in  violation  of  the  Anti-kickback  Statute,  its
operations may not fit within any of the existing or proposed safe harbors.

     As a component of the recently  enacted Health  Insurance  Portability  and
Accountability  Act of 1996,  Congress  directed  the  Secretary of HHS to issue
advisory opinions regarding compliance with the Anti-kickback Statute.  Advisory
opinions are  available  concerning  what  constitutes  prohibited  remuneration
within  the  meaning  of  the  Anti-kickback  Statute,  whether  an  arrangement
satisfies the  statutory  exceptions to the  Anti-kickback  Statute,  whether an
arrangement  meets a safe harbor,  what  constitutes  an illegal  inducement  to
reduce or limit  services to  individuals  entitled  to benefits  covered by the
Anti-kickback Statute and whether an activity
constitutes  grounds for the imposition of civil or criminal penalties under the
applicable  exclusion.  Advisory opinions,  however, will not assess fair market
value for any goods,  services or property or determine whether an individual is
a bona fide  employee  within the  meaning of the  Internal  Revenue  Code.  The
statutory  language  makes clear that  advisory  opinions are available for both
proposed and existing  arrangements.  The failure of a party to seek an advisory
opinion,  however,  may not be introduced  into evidence to prove that the party
intended

                                       29
<PAGE>


to violate the  Anti-kickback  Statute.  The Company has not sought,  and has no
present  intention of seeking,  an advisory opinion  regarding any aspect of its
current operations or arrangements with physicians.

     Significant  prohibitions  against  physician  referrals  were  enacted  by
Congress in the Omnibus Budget  Reconciliation Act of 1993. These  prohibitions,
commonly known as Stark II, amended prior  physician  self-referral  legislation
known as Stark I by  dramatically  enlarging  the  field of  physician-owned  or
physician-interested   entities  to  which  the  referral   prohibitions  apply.
Effective January 1, 1995, Stark II prohibits,  subject to certain exemptions, a
physician or a member of his or her  immediate  family from  referring  Medicare
patients  to an  entity  providing  designated  health  services  in  which  the
physician has an ownership or investment  interest,  or with which the physician
has entered into a compensation  arrangement,  including the  physician's  group
practice.  The designated health services include radiology and other diagnostic
services, radiation therapy services, physical and occupational therapy services
and  the  provision  of  durable  medical  equipment,   parenteral  and  enteral
nutrients,   equipment  and   supplies,   prosthetics,   orthotics,   outpatient
prescription  drugs, home health services and inpatient and outpatient  hospital
services.  The penalties for violating Stark II include a prohibition on payment
by these government  programs and civil penalties of as much as $15,000 for each
violative  referral and $100,000 for participation in a "circumvention  scheme."
The Company  believes  that its  activities  are not in  violation of Stark I or
Stark  II.  The  federal  government  issued  interim  final  regulations  which
addressed Stark I and portions of Stark II in August 1995. Proposed  regulations
interpreting  Stark II were  published on January 9, 1998. The comment period on
the proposed  Stark II  regulations  has not yet run.  The proposed  regulations
define  the  designated  health  services,  refine  the  definition  of a  group
practice,  and impose  additional  requirements  on the  exception for referrals
within a group practice for in office ancillary services.  Therefore,  there can
be no  assurance  that  the  Company's  operations  will  not be  challenged  by
regulatory authorities.

     Stark  II  also  governs  a  physician's  ability  to  refer  patients  for
designated  health  services  within the practices and networks that the Company
manages in light of the physician's ongoing compensation  arrangements with such
practices and networks.  An exception for in-office  ancillary services requires
that  the  practices  and  networks  meet  certain  structural  and  operational
requirements  on an  ongoing  basis in order  to bill  for  in-office  ancillary
designated health services rendered by employed or contracted physicians.  A key
feature  of the  in-office  ancillary  services  exception  is the  Stark  law's
definition of "group practice." The proposed regulations impose new requirements
on the structure and operation of a group  practice,  and impose new limitations
on the ability of physicians in a group  practice to refer  radiology,  physical
therapy and other  designated  health services within the group.  The affiliated
group practices currently offer several of the designated health services within
the  groups,  and will have to comply  with the Stark II  regulations  when they
become effective.  The Company believes that the affiliated group practices will
be able to meet the requirements imposed by the proposed regulations,  or can be
successfully  restructured to meet the requirements.  Regulations are subject to
change,  and there can be no certainty that the affiliated  group practices will
be able to meet the definition of group practice  under  regulations  ultimately
adopted.  Any  adverse  changes  to the  group  practice  definition  may have a
material  adverse effect on the Company by severely  limiting the ability of the
medical  practices  that the Company  manages to bill the  Medicare and Medicaid
Programs for certain ancillary services furnished by those practices.

     In the recently enacted Balanced Budget Act of 1997,  Congress directed the
Secretary of HHS to issue advisory opinions as to whether a referral relating to
designated  health  services  (other  than  clinical  laboratory   services)  is
prohibited under the Stark law. The advisory opinion mechanism began in November
1997.  An advisory  opinion  issued by the  Secretary  will be binding as to the
Secretary and the party or parties  requesting  the opinion.  The Company has no
present intention to seek an advisory opinion regarding its current  operations,
arrangements  with health care  providers or the referral  activities  of health
care providers in the practices it manages.

     A number of states  have  enacted  self-referral  laws that are  similar in
purpose to Stark II but which impose  different  restrictions  on referrals from
Stark II. These various state  self-referral  laws have different  requirements.
Some states, for example, only prohibit referrals when the physician's financial
relationship  with a health care provider is based upon an investment  interest.
Other state laws apply only to a limited  number of designated  health  services
or,  alternatively,  to all health care services  furnished by a provider.  Some
states do not  prohibit  referrals  at all,  but require  only that a patient be
informed of the financial  relationship before the referral is made. Most of the
states  in which  the  Company  conducts  business  have  adopted  some  form of
self-referral law. Many states, including Pennsylvania,  have self-referral laws
that are particularly  applicable to workers' compensation patients. The Company
believes that it current  operations and the structure of the medical  practices
it manages are in material  compliance with the self-referral laws of the states
in which such practices are located.

     Under  numerous  federal laws,  including the Federal False Claims Act (the
False Claims Act),  the federal  government is  authorized  to impose  criminal,
civil and  administrative  penalties  on any health care  provider  that files a
false claim for  reimbursement  from a federally  funded health program (such as
Medicare or Medicaid). Recently enacted federal legislation also imposes federal
criminal  penalties on persons who file false or fraudulent  claims with private
insurers.  While the criminal  statutes are generally  reserved for instances of
fraud,

                                       30

<PAGE>


the  civil  and  administrative  penalty  statutes  are  being  applied  by  the
government in an increasingly broad range of circumstances.  Civil sanctions may
be imposed if the claimant  knew or should have known that billing was improper.
The  government  also has taken the position  that  claiming  reimbursement  for
services that are  substandard is a violation of these false claims  statutes if
the claimant knew or should have known that the care was substandard or rendered
under improper circumstances. Private persons may bring civil actions to enforce
the False Claims Act. Under certain lower court  decisions,  claims derived from
the Anti-kickback  Statute or the Stark law have been deemed to be, or may under
certain circumstances be construed to be, false claims.

     State  physician self referral laws and Stark II have not been  extensively
judicially interpreted and there is considerable uncertainty concerning how such
laws will be interpreted,  including specifically how broadly the exemptions and
exceptions to their application will be applied. Physicians participating in the
Company's  network or employed by an affiliated group practice will have several
financial  relationships  with the  Company,  including  the  lease of space and
equipment,  the  purchase of  practices,  loans or  advances  of money,  and the
provision  of billing and  management  services.  Certain  physicians  may refer
patients  among  themselves  within  their  group  practices  and as part of the
network,  and refer  designated  health  services under the In Office  Ancillary
Service exception  available to certain  referrals within a group practice.  The
Company can not be sure that all of its  relationships  with the  physicians and
affiliated  group  practices will fall within one of the exemptions  under Stark
II, as interpreted under final regulations.  However,  the Company believes that
it is not an entity to which  referrals  can be made,  and that the referrals of
patients by physicians within the group practices should fall within one or more
of the exceptions  permitted by Stark II and the state self-referral laws. Final
regulations  or future  regulations  or  statutes  might  require the Company to
restructure its relationships  with its group practices.  Violations of Stark II
by the Company or its Group  practices  could  result in  significant  fines and
financial losses which could adversely affect the Company.

     While the Company  believes  that it is in  compliance  with the  foregoing
federal and state laws,  future  regulations could require the Company to modify
the  form of its  relationships  with  physician  organizations.  Moreover,  the
violation of any such state or federal law by the Company or the PCs, could have
a material adverse effect on the Company.

     Anti-Trust.  Although  the PCs are  managed  by the  Company,  they  remain
separate legal entities and they may be deemed competitors subject to a range of
antitrust laws which prohibit anti-competitive conduct,  including price fixing,
concerted  refusals  to deal  and  divisions  of  markets.  In  particular,  the
antitrust  laws have been  interpreted  by the Federal Trade  Commission and the
United  States   Department  of  Justice  to  prohibit  joint   negotiations  by
competitors of price terms in the absence of financial risk that is shared among
the competitors, other financial integration or substantial clinical integration
among the competitors. The Company intends to comply with such state and federal
laws as may affect its  development  of, and  contracting  for, the medical mall
facilities,  but there can be no assurance that review of the Company's business
by courts or  regulatory  authorities  will not result in a  determination  that
could adversely affect the operations of the Company or the PCs.

     Insurance  Regulations.  Laws  in  all  states  regulate  the  business  of
insurance and the operation of health maintenance  organizations.  On August 10,
1995,  the  NAIC  issued  a  report   opining  that  certain   risk-transferring
arrangements may entail the business of insurance, to which state licensure laws
apply,  but that  licensure  laws  would not apply  where an  unlicensed  entity
contracts  to assume  downstream  risk from a duly  licensed  health  insurer or
health  care payor for health  care  provided to that  carrier's  enrollees.  In
addition,  in December  1996,  the NAIC issued a report  entitled  Regulation of
Health Risk Bearing Entities,  which sets forth issues to be considered by state
insurance  regulators  when  considering  new  regulations and encourages that a
uniform body of regulation be adopted by the states. Certain states have enacted
statutes or adopted  regulations  affecting  risk  assumption in the health care
industry.  In some  states,  including  some of those in which the Company  does
business,  these  statutes and  regulations  subject any  physician or physician
network  engaged in risk-based  contracting,  even if through health care payors
and insurance companies, to applicable insurance laws and regulations,  or other
laws and  regulations,  which may include,  among other  things,  providing  for
minimum  capital  requirements  and other  safety  and  soundness  requirements.
Although  the NAIC's  conclusions  are not  binding on the  states,  the Company
believes that  additional  regulation at the state level will be  forthcoming in
response  to the  NAIC  initiatives.  The  Company  will  enter  into  capitated
contracts  only  with  licensed  insurance   companies  and  health  maintenance
organizations, and only if allowed by state law. The Company believes that it is
in compliance with these laws in the states in which it does business, but there
can be no assurance  that future  interpretations  of insurance  laws and health
care network laws by the regulatory authorities in these states or in the states
into which the Company may expand will not require  licensure or a restructuring
of some or all of the Company's operations.

     Health Care Reform. As a result of the continued  escalation of health care
costs and the inability of many individuals to obtain health insurance, numerous
proposals  have been and may continue to be introduced in the U.S.  Congress and
state legislatures  relating to health care reform. There can be no assurance as
to the ultimate content, timing or effect of any health care reform legislation,
nor is it possible at this time to estimate the impact of potential legislation,
which may be material to the Company.

     Confidentiality of Patient Records.  The confidentiality of patient records
and the  circumstances  under  which such  records may be released is subject to
substantial  regulation under state and federal laws and  regulations.  Although
the Company does not currently collect  aggregate  clinical data for utilization
review and quality assurance purposes, it plans to develop such databases.  Data
entries to these databases would delete any patient identifiers, including name,
address, hospital and physician. The Company believes that its procedures comply
with the laws and  regulations  regarding  the  collection  of  patient  data in
substantially   all   jurisdictions,    but   regulations    governing   patient
confidentiality  rights are evolving  rapidly and are often  difficult to apply.

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Additional legislation governing the dissemination of medical record information
has been proposed at both the state and federal level.  Furthermore,  the Health
Insurance  Portability and  Accountability Act of 1996 requires the Secretary of
HHS  to  recommend  legislation  or  promulgate  regulations  governing  privacy
standards for individually identifiable health information and creates a federal
criminal  offense for knowing  disclosure or misuse of such  information.  These
statutes and regulations  may require  holders of such  information to implement
security  measures that may be of substantial cost to the Company.  There can be
no assurance that changes to state or federal laws would not materially restrict
the  ability  of the  Company to obtain  patient  information  originating  from
records.

     Licensure,  Certificate  of Need  and  Prescription  Laws.  Certain  of the
ancillary services that the Company  anticipates  providing on behalf of the PCs
are now, or may in the future be,  subject to licensure or  certificate  of need
laws in various  states.  There can be no assurance  that the Company or the PCs
will be able to obtain such  licenses  or  certificate  of need  approval to the
extent  required  for the  particular  ancillary  service.  Finally,  each state
establishes  rules related to the practice of medicine,  including the method of
prescribing drugs.

CONTRACTUAL RELATIONSHIPS WITH YATER AND MPS

     The  relationship  between  the  Company  and the PCs is set  forth  in the
management service agreements.  Through the management service  agreements,  the
Company  agrees to provide,  or arrange for the  provision  of,  management  and
administration  services  for the medical  practices.  The  services the Company
provides  includes  but  are  not  limited  to,  business  planning,   financial
management,  bookkeeping, accounting and data processing, maintenance of medical
records, human resource management, billing and collecting, facility utilization
and cost and quality  management.  As discussed  above, the Company has arranged
for its franchisee,  MOM, to provide operational  services at the medical malls,
including the payment of rent for the  facilities,  the purchase of supplies and
equipment and salaries for non-professional staff.

     The PCs are  consolidated  medical  practices  that  have  either  directly
entered into contracts with health care payors or that have the right to receive
payment  directly from health care payors for the provision of medical  services
in the medical malls. MMI obtains a controlling financial interest in the PCs by
virtue of the  long-term  management  service  agreement  with each entity,  the
transfer  restriction  agreements  discussed below and the fact that the PCs are
each owned by Dr. Steven Macedo,  the Chairman of the Board of the Company,  and
his wife, Dr. Ilene Macedo.

     Under the management service agreements, the Company is responsible for the
billing and collection of all revenue for services provided at the medical malls
but is not  responsible  for the payment of  professional  salaries  and certain
benefits.  Accordingly,  the  PCs are  responsible  and at  risk  for  all  such
expenses, and the Company, since it is not the owner of these medical practices,
does not have a substantive capital investment that is at risk. The PCs are each
entitled to receive 40% of collections of net patient service revenue from their
respective medical malls as fees for services rendered, which is used to pay the
salaries of the licensed health care providers employed by the PCs.

     The Company's  management service agreements with the PCs are long-term and
provide the Company with unilateral control over the  administrative  aspects of
physician practices. The management agreements include the following provisions:
(i) the initial term is 30 years; (ii) renewal provisions call for automatic and
successive  five  year  renewal  periods;  and  (iii)  neither  of the  PCs  can
unilaterally  terminate  their  agreements  with the Company  unless the Company
fails to cure a breach of its contractual responsibilities thereunder within one
year after notification of such breach.

     The Company has also entered into transfer restriction  agreements with the
shareholders  of Yater and the partners of MPS.  These  agreements  restrict the
resale of the  ownership  interest of Drs.  Steven and Ilene Macedo in Yater and
their partnership interests in MPS. See Management's  Discussion and Analysis of
Financial Condition and Results of Operations.

CORPORATE LIABILITY AND INSURANCE

     The  Company's  business  entails  an  inherent  risk of claims of  medical
professional liability. In recent years participants in the health care industry
have become  increasingly  subject to large  claims based on theories of medical
malpractice that entail substantial defense costs. The Company maintains general
liability insurance of $1.0 million per occurrence and other customary insurance
on an occurrence  basis, in amounts deemed  appropriate by management based upon
historical claims and the nature and risks of the business. There can be

                                       32

<PAGE>



no  assurance  that a future  claim  will not  exceed  the  limits of  available
insurance coverage or that such coverage will continue to be available.

     Moreover,  the Company requires the PCs to obtain and maintain professional
liability  of $4 million per  occurrence  and $6 million in the  aggregate,  and
workers' compensation insurance coverage. Such insurance will likely not provide
additional  coverage,  subject to policy  limits,  in the event the Company were
held liable as a co-defendant in a lawsuit for professional  malpractice against
a  licensed  health  care  provider.  In  addition,  generally,  the  Company is
indemnified under the management  service  agreements by the PCs for liabilities
resulting from the  performance of medical  services.  However,  there can be no
assurance  that any future  claim or claims  will not exceed the limits of these
available insurance coverages or that  indemnification will be available for all
such claims.

EMPLOYEES

     As of the date of this  Prospectus,  the Company had 16  employees,  all of
whom were employed on a full-time basis. Approximately six of such employees are
management  and 10  provide  administrative  support.  As of the  date  of  this
Prospectus,  MOM had 63 employees that provide non-professional  services at the
medical  malls  and  the PCs  collectively  employed  57  licensed  health  care
providers.  None of the Company's  employees are represented by labor unions and
the Company believes its relationship with its employees is good.

PROPERTIES

     MMI  currently  leases  1,113  square  feet of  office  space in  Bethesda,
Maryland  pursuant to a lease agreement  dated January 3, 1995 (the Lease).  The
annual minimum rent for the year commencing  February 1998 is $18,243 payable in
monthly installments of $1,520.

     The Lease  terminates  upon the  commencement  of the Lease Agreement dated
July 16,  1997 (the Lease  Agreement)  covering  3,570  square  feet at the same
premises in Bethesda,  Maryland.  The term of the Lease  Agreement is five years
from the date of occupancy with three options to renew for additional  five year
terms  each.  The  initial  annual  minimum  rent under the Lease  Agreement  is
$40,000,  payable in equal  monthly  installments.  Annual rent will increase to
approximately  $64,000 in the fifth year of  occupancy.  The Company  expects to
occupy this property on or about May 1, 1998.

                                      33


<PAGE>
 
 
                                   MANAGEMENT
 
EXECUTIVE OFFICERS AND DIRECTORS
 
     The executive officers and directors of the Company are:
 
           NAME                    AGE              POSITION
        ---------                  ---              --------
P. Steven Macedo, M.D.              37   Chairman of the Board
Michael Macedo                      34   Chief Executive Officer and Director
Frank Cronin                        58   President
Harrison G. Jett                    45   Chief Financial Officer and Director
Bruce A. Kehr                       47   Vice President of Provider Relations
James Cornelson                     44   Director
William Lester                      73   Director
 
     P. STEVEN  MACEDO,  M.D. has served as Chairman of the Board of the Company
since its inception in March 1994.  Dr. Macedo is also Chairman of the Board and
Chief Executive Officer of each of MOM, the Company's franchisee,  and Medi-Cen,
Corp. of Virginia,  Inc., a franchisee whose current  operations are immaterial.
Dr. Macedo is a neurologist who has been in private practice as a partner of MPS
since 1991, with special expertise in Behavioral and Forensic  Neurology.  Since
January  1997 Dr.  Macedo  also has been an owner of  Yater,  a  multi-specialty
medical practice. Dr. Macedo is also currently a Clinical Associate Professor at
the George  Washington  University  Department  of  Neurology  and a Director of
Taxsoft,  Inc.,  an Internet tax software  company.  Dr. Macedo was President of
Forensic Medicine Institute,  Inc., a continuing legal education provider,  from
1994 to 1997, and Chief Executive Officer and Chairman of the Board of Directors
of NeuroData, Inc., a neurological medical equipment company, from 1993 to 1996.
He served as Chief  Resident of Neurology  between  1990 and 1991 at  Georgetown
University,  Washington Veterans  Administration  Medical Center, and Children's
Hospital National Medical Center.
 
     MICHAEL MACEDO has served as Chief Executive  Officer and a Director of the
Company  since  its  inception  in March  1994.  He is also Vice  President  and
Secretary of Taxsoft, Inc., an Internet tax software company. From 1994 to 1997,
he was Vice President of Forensic  Medicine  Institute,  Inc. a continuing legal
education  provider.  Mr.  Macedo has been in the private  practice of law since
1988 with offices in Washington, D.C. and New York, N.Y.
 
     FRANK  CRONIN has served the Company in several  capacities  since  January
1996 and has been  President of the Company  since  February  1998.  He was Vice
President of MIIX  Healthcare  Group, a health care  consulting firm from August
1997 to February  1998.  From August 1995 to August 1997 he was President of MCR
Healthcare,  Inc., a health care  consulting  firm. Mr. Cronin was President and
Chief Executive  Officer of Central New England Health  Alliance,  an integrated
health care delivery  system,  from 1992 to August 1995. Since 1995, he has been
on the Board of  Directors of the  American  Academy of Medical  Administrators,
which  named him  Healthcare  Executive  of the Year in 1994.  He is also on the
Boards of the  National  Council  of  Community  Hospitals  and the New  England
Healthcare Assembly and is a Paul Harris Fellow of Rotary International.
 
     HARRISON  G. JETT has served as Chief  Financial  Officer and a Director of
the Company  since August 1996.  He is also the  Treasurer of MOM, the Company's
franchisee.  From 1988 to January  1996,  Mr.  Jett was the owner and  principal
broker of RE/MAX Realty Associates, a franchisee of RE/MAX International,  Inc.,
a commercial and residential real estate company.
 
     BRUCE A. KEHR has been Vice President of Provider  Relations of the Company
since  April  1996.  He is also the Vice  President  and  Director  of MOM,  the
Company's franchisee, and Secretary and Director of Medi-Cen, Corp. of Virginia.
Dr.  Kehr is a board  certified  psychiatrist  who has been in private  practice
since 1976. Dr. Kehr has been  President of  Contemporary  Psychiatric  Services
since 1982 and President of Medication Management Technologies, Inc. since 1994.
Since  1988,  he has been  President  and Chief  Operating  Officer of  American
Neuroscience  Centers,  Inc., where he was Vice President and Director from 1987
to 1988.
 
     JAMES W.  CORNELSON has agreed to become a Director of the Company upon the
consummation  of this Offering.  He is currently  President of Old Line National
Bank. He had been Senior Vice President of Sequoia
 
                                      34
<PAGE>

Bank from 1992 to 1994,  where he served as Chief  Lending  Officer in charge of
all credit aspects of the  institution.  Previously,  Mr.  Cornelson  worked for
fourteen years as Vice-President of Citizen Bank of Maryland.
 
     WILLIAM  LESTER  has agreed to become a Director  of the  Company  upon the
consummation  of  this  Offering.  He  has  been  President  of  William  Lester
Associates,  Inc. since 1989 and President of International  Facilitators,  Inc.
since 1992, where he provides management and business development  consulting in
the United States and international markets including exclusive services to CEOs
and entrepreneurs.
 
     P. Steven Macedo, M.D. and Michael Macedo are brothers.
 
BOARD OF DIRECTORS' COMMITTEES AND COMPENSATION
 
     The Board of Directors of the Company has  appointed  two  committees:  the
Audit  Committee  and the  Compensation  Committee.  The  members  of the  Audit
Committee are Dr. Steven  Macedo,  William  Lester and James W.  Cornelson.  The
Audit  Committee  periodically  reviews the  Company's  auditing  practices  and
procedures,  makes recommendations to management or to the Board of Directors as
to any changes to such  practices and procedures  deemed  necessary from time to
time to comply with applicable  auditing rules,  regulations and practices,  and
recommends   independent   auditors  for  the  Company  to  be  elected  by  the
stockholders.  The members of the  Compensation  Committee  are Michael  Macedo,
William  Lester  and  James  W.  Cornelson.  The  Compensation  Committee  meets
periodically to make  recommendations  to the Board of Directors  concerning the
compensation and benefits payable to the Company's  executive officers and other
senior  executives.   The  Company  currently  reimburses  directors  for  their
out-of-pocket  expenses  incurred in attending Board and Committee  meetings and
intends to pay  outside  Directors  $1,600 for each Board of  Directors  meeting
attended upon consummation of this Offering.
 
EXECUTIVE COMPENSATION
 
     The following  table sets forth the cash  compensation  for services in all
capacities  to the Company of that person who was, as of December 31, 1997,  the
Company's  Chief  Executive  Officer and for the other most  highly  compensated
Executive Officer of the Company  (collectively,  the Named Executive  Officers)
for the year ended December 31, 1997.
<TABLE>
<CAPTION>
 
                           SUMMARY COMPENSATION TABLE
                                                                                                               LONG-TERM
                                                                      ANNUAL COMPENSATION                COMPENSATION AWARDS
                                                               ---------------------------------    -----------------------------
                                                                                      OTHER          RESTRICTED     SECURITIES
                                                                                      ANNUAL           STOCK        UNDERLYING
NAME AND PRINCIPAL POSITION                              YEAR    SALARY   BONUS    COMPENSATION        AWARDS        OPTIONS  
- ---------------------------                              ----    ------   -----    ------------        ------        -------  
<S>                                                      <C>    <C>       <C>      <C>                   <C>            <C>   
P. Steven Macedo, M.D., Chairman..................       1997   $  0(1)   $   0    $ 273,618(2)          0              0     
Michael Macedo, Chief Executive Officer...........       1997   $  0(3)   $   0    $ 328,987(4)          0              0     
                                                                                                                    
</TABLE>

(1)  Does not include loan amounts owed by the Company to Dr. Macedo of $125,000
     as of December 31, 1997 and $163,000 as of February 12, 1998.
 
(2)  Represents  amounts  received by Dr. Macedo of:  $73,000 plus loan interest
     payments of $2,200 and car  payments  of $4,785 from Yater;  and  $185,500
     plus $3,665 of car payments from MPS; and $4,468 from MCA. 
 
(3)  Does not include (a) legal fees from the Company to the law firm of Michael
     Carlos  Buarque  de Macedo of  $17,106,  (b) legal fees from MOM to the law
     firm of Michael  Carlos  Buarque de Macedo of $17,465,  (c) legal fees from
     Yater to the law firm of Michael  Carlos  Buarque de Macedo of $15,489  and
     (d) loan  amounts  owed by the  Company  to Mr.  Macedo  of  $10,000  as of
     December 31, 1997 and $107,933 as of February 12, 1998.
 
(4)  Represents  amounts received by Mr. Macedo of: consulting fees of $225,000,
     bonus of $65,000,  car payments of $8,920,  and loan  interest of $600 from
     Yater; consulting fees of $25,000 from MPS; and $4,467 from MCA.
 
                                      35
<PAGE>
 
EMPLOYMENT AGREEMENTS
 
     The Company has entered into two year employment agreements effective March
11, 1998 with each of Dr.  Steven  Macedo and Michael  Macedo.  Pursuant to each
employment agreement,  Dr. Macedo will act as Chairman of the Board of Directors
and Secretary and Mr. Macedo will act as Chief  Executive  Officer.  Each of Dr.
Macedo and Mr. Macedo will be entitled to receive base compensation in an amount
determined  by the Board of  Directors  and  options to  purchase  up to 900,000
shares of Common Stock at a price equal to the initial public offering price.
 
     The Company  has entered  into a one year  employment  agreement  effective
February 1, 1998 with Frank  Cronin,  President  of the Company.  The  agreement
provides  for an annual  salary of  $250,000,  $500 per  month  for  payment  of
disability, life, dental and health insurance and a car allowance. The agreement
also  prevents Mr.  Cronin from  competing  with the Company for a period of two
years subsequent to the termination of his employment.
 
     Michael Macedo has entered into a five year consulting agreement with Yater
effective  January 20, 1997, which provides that Mr. Macedo shall receive annual
compensation of $300,000 and $60,000 per year in other benefits.
 
     Dr.  Steven  Macedo  has  entered  into a  five  year  employment  contract
effective  January 1, 1998,  which provides that Dr. Macedo shall receive annual
compensation of $300,000 and $60,000 per year in fringe benefits.
 
STOCK OPTION PLAN
 
     The Company  adopted the Medi-Cen  Management,  Inc. Stock Option Plan (the
Plan) in 1998 to encourage  stock  ownership by key management  employees of the
Company and to provide an incentive for such employees to expand and improve the
profits of the  Company.  The  purpose of the Plan is to support  the  Company's
ongoing  efforts  to develop  and  retain  qualified  directors,  employees  and
consultants  and to provide the Company with the ability to more  directly  link
incentives  to the  profitability  of the  Company's  business and  increases in
stockholder value.
 
     The Plan  provides  for the award to eligible  employees of the Company and
others of stock options, stock appreciation rights,  restricted stock, and other
stock-based awards, as well as cash-based annual and long-term incentive awards.
The Plan reserves 2,000,000 shares of Common Stock for issuance.  As of the date
of this  Prospectus,  1,800,000  options have been granted under the Plan, at an
exercise  price equal to the initial  public  offering  price.  The Plan will be
administered  by the  Compensation  Committee  of the Board of  Directors.  This
committee  will  select the  persons  to whom  awards  will be granted  and will
determine the terms and  conditions  of such awards.  The shares of Common Stock
comprising any award that  terminates,  expires or is cashed out without payment
being made in the form of Common Stock will again be available for  distribution
under the Plan,  as will shares that are used by an employee to pay  withholding
taxes or as payment for the exercise price of an award.
 
     Awards  under  the Plan are not  transferable  except  in the  event of the
person's death or unless  otherwise  required by law. Other terms and conditions
of each award will be set forth in award agreements.
 
INDEMNIFICATION AND LIMITATION OF LIABILITY
 
     The Company's Certificate of Incorporation  provides that the Company shall
indemnify  any and all  persons  whom it shall  have  power to  indemnify  under
Maryland law, as from time to time amended,  from and against any and all of the
expense,  liabilities or other matters referred to in or covered by the Maryland
General Corporation Law. The Company maintains insurance on behalf of any person
who is or was a director,  officer,  employee, or agent of the Company, or is or
was serving at the request of the  Company as a director,  officer,  employee or
agent  of  another  corporation,  partnership,  joint  venture,  trust  or other
enterprise  against any expense,  liability,  or loss incurred by such person in
any such  capacity  or  arising  out of his  status as such,  whether or not the
Company  would have the power to  indemnify  him against  such  liability  under
Maryland law.
 
     Under  Maryland  law,  the Company is  permitted  to  indemnify  directors,
officers,  employees  and  agents  made a party to any  proceeding  by reason of
service in that capacity unless it is established  that: (1) the act or omission
of the party was material to the matter  giving rise to the  proceeding  and (i)
was committed in bad faith, or (ii) was
 
                                      36
<PAGE>
 
the  result of  active  and  deliberate  dishonesty;  or (2) the party  actually
received an improper personal benefit in money,  property or services; or (3) in
the case of any criminal  proceeding,  the party had reasonable cause to believe
that the act or omission  was  unlawful.  Maryland law further  provides  that a
party may not be  indemnified  in respect of any  proceeding  charging  improper
personal  benefit,  whether or not  involving  action in such  party's  official
capacity,  in which  the  party was  adjudged  to be  liable  on the basis  that
personal  benefit was  improperly  received.  In  Paragraph 4 of Clause 7 of its
amended Certificate of Incorporation, the Company has included a provision which
limits  the  liability  of its  directors  and  officers  for money  damages  in
accordance with the Maryland law.  Paragraph 4 of Clause 7 does not eliminate or
otherwise limit the fiduciary  duties or obligations of the Company's  directors
and  officers,  does not  limit  non-monetary  forms or  recourse  against  such
directors  and  officers,  and, in the opinion of the  Securities  and  Exchange
Commission,  does not eliminate the liability of a director or officer under the
federal securities laws.
 
                             PRINCIPAL STOCKHOLDERS
 
     The  following  table sets forth  certain  information  with respect to the
beneficial  ownership  of the  Company's  shares of Common Stock as of March 13,
1998,  and as adjusted to reflect the sale of the shares of Common Stock offered
hereby,  by (i) each person who is known to the Company to own beneficially more
than 5% of the  Company's  shares of Common  Stock  and (ii) all  directors  and
executive officers as a group. Unless otherwise indicated,  the persons named in
this table have sole voting and  investment  power with respect to the shares of
Common Stock shown as beneficially owned by them.
<TABLE>
<CAPTION>
 
                                                                          BENEFICIAL OWNERSHIP     BENEFICIAL OWNERSHIP
                                                                           PRIOR TO OFFERING          AFTER OFFERING
                                                                        ------------------------   ---------------------
                         NAME AND ADDRESS OF
                          BENEFICIAL OWNER(1)                              NUMBER       PERCENT     NUMBER       PERCENT
<S>                                                                     <C>               <C>    <C>               <C> 
P. Steven Macedo, M.D................................................   1,957,349(2)      40.7%  1,957,349(2)      28.7
Michael Macedo.......................................................   1,942,007(2)      40.4   1,942,007(2)      28.5
Frank Cronin.........................................................      53,716(3)       1.1      53,716(3)        --
Harrison Jett........................................................      54,117(4)       1.1      54,117(4)        --
Bruce Kehr...........................................................     413,200(3)       8.6     413,200(3)       6.1
James Cornelson......................................................       8,330(3)        --       8,330(3)        --
William Lester.......................................................      25,825(5)        --      25,825(5)        --
All directors and executive officers as a group (7 persons)(6).......   4,454,544         92.6   4,454,544         65.4
</TABLE>
 
(1)  The  address  for  all  persons  is  5301  Wisconsin  Avenue,   Suite  620,
     Washington, D.C. 20015.
 
(2)  Includes  options to  purchase  450,000  shares of Common  Stock.  Does not
     include  450,000  additional  shares  issuable upon the exercise of options
     that are not  exercisable  within 60 days.  Each of Dr.  Macedo and Michael
     Macedo have  entered into an  agreement  with Yater,  under which Yater has
     agreed to purchase  from each of them,  commencing  January 22,  1998,  620
     shares of Common  Stock  per week for $7.26 per share  through  the date of
     this Prospectus.  Yater intends to use the shares of Common Stock purchased
     from the  Macedos as  consideration  for the  purchase  by Yater of medical
     practices from health care providers.
 
(3)  Represents options to purchase Common Stock.
 
(4)  Includes options to purchase 33,056 shares of Common Stock.
 
(5)  Includes options to purchase 24,792 shares of Common Stock.
 
(6)  Includes options to purchase 1,433,094 shares of Common Stock.
 
                              CERTAIN TRANSACTIONS
 
     P. Steven  Macedo,  Secretary and Chairman of the Board of Directors of the
Company  is also a Director  and Chief  Executive  Officer of MOM and  Medi-Cen,
Corp. of Virginia,  Inc., and is an owner of the PCs, medical  practices managed
by the Company.  For his  services,  excluding  income  received  for  physician
services and as an owner of medical practices, Dr. Macedo has received, in 1996,
$4,807 from MOM and in 1997, $4,468 from MCA.
 
     Michael  Macedo,  Director and Chief Executive  Officer of the Company,  is
also:  Management  Consultant to MOM;  Consultant to the PCs, medical  practices
owned by his brother, Dr. Macedo and managed by the
 
                                      37
<PAGE>
  
Company;  and sole  proprietor  of the law firm of  Michael  Carlos  Buarque  de
Macedo.  In 1996,  Michael Macedo received  $13,060 from MOM as compensation for
consultant  services.  During 1997,  Michael Macedo received as compensation for
services:  $290,000 plus $8,920 of automobile lease payments from Yater; $25,000
from MPS; and $4,467 from MCA. In 1996,  the law firm of Michael  Carlos Buarque
de Macedo was paid $75,000 by the selling  shareholders of the Company for legal
services in connection with the preparation of the securities offering effective
November 15, 1995 and $30,000 was paid by the firm as salary to Tatiana  Daniels
Macedo,  Esq., an attorney  employed by the firm, and a sister-in-law of Michael
Macedo, Esq. and Dr. Macedo. For 1997, the law firm of Michael Carlos Buarque de
Macedo received,  for general counsel  services,  reimbursements of $17,106 from
the Company,  $17,465  from MOM and $15,489 from Yater,  and $37,216 was paid by
the firm as salary to Tatiana Daniels Macedo,  Esq., an attorney employed by the
firm, and a sister-in-law of Michael Macedo and Dr. Macedo.
 
     As of the date of this  Prospectus,  the Company owes Dr. Steven Macedo and
Michael Macedo $163,000 and $107,933,  respectively. These amounts bear interest
at the rate of prime rate plus 0.5% per annum and are payable upon  demand.  The
Company intends to use a portion of the net proceeds of this Offering to pay all
amounts outstanding to Dr. Macedo and Mr. Macedo. See Use of Proceeds.
 
     Bruce A. Kehr,  M.D., Vice President of Provider  Relations of the Company,
is also a Director,  Vice President and Secretary of MOM; Director and Secretary
of Medi-Cen,  Corp. of Virginia,  Inc.;  and owner of  Contemporary  Psychiatric
Services,  one  of the  independent  physician  practices  associated  with  the
Company. Dr. Kehr and the Company have entered into a contract pursuant to which
the Company  provides  billing and  collection  services to Dr.  Kehr's  medical
practice.  In  1997,  the  Company  received  approximately  $60,000  from  such
contracts.  In 1997,  excluding income received for physician  services or as an
owner of medical  practices,  Bruce A. Kehr,  M.D.  received $4,468 from MCA for
services therefor.  He also received interest payments from MOM of $350 in 1996.
Pursuant to Dr.  Kehr's Vice  President and Provider  Relations  Center with the
Company,  dated April 30,  1996,  Dr. Kehr has also  received  stock  options to
purchase 413,200 shares of Common Stock of the Company at a price of $2.42.

     In 1997,  Dr.  Steven  Macedo and his wife,  Dr. Ilene  Macedo  received an
aggregate of $73,000 in dividends from Yater.  In 1996 and 1997, Drs. Steven and
Ilene  Macedo  received  $228,000  and  $185,500,   respectively,  from  MPS  as
partnership distributions.

     MOM has paid the  Company a fee of  $150,000  for  billing  and  collection
services,  and has entered into a 20 year contract to pay the Company an ongoing
eight percent (8%) of gross  collections  of billing  attributable  to providers
using Company negotiated contracts.  Medi-Cen,  Corp. of Virginia, Inc. has also
entered  into a 20 year  contract  with the  Company  upon the  same  terms  and
conditions,  but has not yet  paid its  fees to MMI and is  currently  inactive.
Yater has  entered  into a five year  contract  with MMI for billing and related
services for a fee of 8% of moneys actually  collected.  MPS has entered into an
identical five year contract. See Business.
 
     In 1997,  Michael Macedo loaned $20,000 to Yater which bore interest at the
rate of 1% per month. This loan was fully repaid in 1997.
 
     Steven Macedo owes Yater $400,000 in connection with the purchase of Yater.
The loan will be repaid beginning in 1999. Interest is earned on the outstanding
balance at prime plus 0.5%.
 
     Upon consummation of this offering,  the law firm of Michael Carlos Buarque
de Macedo will receive approximately 11,111 shares of Common Stock valued at the
initial public offering price.
 
     Each of Dr. Macedo and Michael  Macedo have entered into an agreement  with
Yater, under which Yater has agreed to purchase from each of them, 620 shares of
Common Stock per week for $7.26 per share until the date of this Prospectus.  As
of the date of this Prospectus, Yater has purchased an aggregate of 9,917
 
                                       38
<PAGE>
 
shares of Common Stock from Dr. Macedo and Mr. Macedo.  Yater intends to use the
shares of Common  Stock  purchased  from the  Company as  consideration  for the
purchase by Yater of medical practices from health care providers.
 
     All ongoing and any future  transaction with affiliates of the Company,  if
any, will be on terms  believed by the Company to be no less  favorable than are
available from unaffiliated  third parties and will be approved by a majority of
disinterested directors.
 
                            DESCRIPTION OF SECURITIES
 
GENERAL
 
     Upon consummation of this Offering, the Company will be authorized to issue
up to 10,000,000  shares of Common Stock,  par value $.0024 per share. As of the
date of this Prospectus,  there are 3,378,046 shares of Common Stock outstanding
held by approximately  45 stockholders.  Upon the consummation of this Offering,
there will be 5,378,046 shares of Common Stock outstanding.
 
COMMON STOCK
 
     The holders of Common Stock are entitled to one vote for each share held of
record on all matters  submitted to a vote of  stockholders.  If  dividends  are
declared,  whether  payable in cash,  property  or  securities  of the  Company,
holders of the Common Stock are entitled to share equally in such dividends.  In
the event of any voluntary or involuntary liquidation, dissolution or winding up
of the Company, each holder of Common Stock will be entitled to share equally in
the assets available for distribution.
 
     Holders of shares of Common Stock have no preemptive  rights to acquire any
additional shares of the Common Stock and have no cumulative voting rights.  All
currently  outstanding  shares of  Common  Stock  are duly  authorized,  validly
issued, fully paid and non-assessable.
 
TRANSFER AGENT AND REGISTRAR
 
     The  Transfer   Agent  and  Registrar  for  the  Common  Stock  is  Gemisys
Corporation.
 
                         SHARES ELIGIBLE FOR FUTURE SALE
 
     Upon  consummation  of this  offering,  the Company  will have  outstanding
5,378,046  shares of Common Stock, of which the 2,000,000  shares offered hereby
will be freely tradeable without  restriction or further  registration under the
Securities Act,  except for shares  purchased by an affiliate of the Company (in
general,  a person who has a  controlling  position with regard to the Company),
which will be subject to the resale  limitations of Rule 144  promulgated  under
the Securities Act.
 
     The remaining 3,378,046 shares of Common Stock outstanding are deemed to be
restricted securities,  as that term is defined under Rule 144 promulgated under
the Securities  Act, and may only be sold pursuant to an effective  registration
under the Securities  Act, in compliance  with the exemption  provisions of Rule
144 or pursuant to another  exemption  under the Securities Act. Such restricted
shares of Common Stock will become eligible for sale, under Rule 144, subject to
certain volume limitations prescribed by Rule 144.
 
     In general,  under Rule 144,  subject to the  satisfaction of certain other
conditions,  a person,  including an affiliate of the Company (or persons  whose
shares are  aggregated  with an affiliate)  who has owned  restricted  shares of
Common Stock  beneficially for at least one year is entitled to sell, within any
three-month period, a number of shares that does not exceed the greater of 1% of
the then  outstanding  shares of the issuer's Common Stock or the average weekly
trading volume during the four calendar weeks preceding such sale, provided that
certain  public  information  about the issuer as  required  by Rule 144 is then
available and the seller complies with certain other requirements.  A person who
is not an  affiliate,  has not been an  affiliate  within  three months prior to
sale, and has beneficially owned the restricted shares for at least two years is
entitled  to sell  such  shares  under  Rule 144  without  regard  to any of the
limitations described above.
 
                                       39
<PAGE>
 
     The  Company  and  its   executive   officers,   directors   and  principal
stockholders  have agreed that for a period of 180 days  following the Offering,
without  the  prior  written  consent  of the  Representatives,  they  will not,
directly or indirectly, offer or agree to sell, hypothecate, pledge or otherwise
dispose  of  any  shares  of  Common  Stock  (or  securities  convertible  into,
exchangeable  or exercisable  for or evidencing the right to purchase  shares of
Common Stock). As a result of these contractual restrictions,  shares subject to
lock-up agreements will not be saleable until such agreements expire.
 
     Future sales of Common Stock in the public market  following  this Offering
by the current  stockholders  of the Company,  or the perception that such sales
could occur,  could adversely  affect the market price for the Common Stock. The
Company's  principal  stockholders hold a significant portion of the outstanding
shares of Common  Stock and a decision by one or more of these  stockholders  to
sell shares  pursuant to Rule 144 under the  Securities  Act or otherwise  could
materially  adversely  affect the market  price of the  Common  Stock.  See Risk
Factors - Shares Eligible for Future Sale.
 
     Prior to this  Offering,  there has been no market for the Common Stock and
no prediction can be made as to the effect,  if any, that market sales of Common
Stock or the  availability of such shares for sale will have on the market price
prevailing from time to time.  Nevertheless,  the possibility  that  substantial
amounts of Common Stock may be sold in the public  market may  adversely  affect
prevailing  market  prices for the Common Stock and could  impair the  Company's
ability to raise capital through the sale of its equity securities.
 
                                  UNDERWRITING
 
     Subject  to  the  terms  and  conditions  set  forth  in  the  Underwriting
Agreement,  the  Company  has agreed to sell to each of the  underwriters  named
below (the Underwriters),  for whom Ferris, Baker Watts, Incorporated are acting
as  representative  (the  Representative),  and  each  of the  Underwriters  has
severally agreed to purchase from the Company the respective number of shares of
Common Stock set forth opposite its name below:
 
                                   UNDERWRITER               NUMBER OF SHARES
                                   -----------               ----------------
Ferris, Baker Watts, Incorporated..........................
     Total.................................................       2,000,000
 
     The nature of the respective  obligations of the  Underwriters is such that
all of the shares of Common Stock must be purchased  if any are  purchased.  The
Underwriting  Agreement provides that the obligations of the Underwriters to pay
for and accept  delivery  of the shares of Common  Stock are  subject to certain
conditions, including the approval of certain legal matters by counsel.
 
     The Company has been advised by the  Representative  that the  Underwriters
propose to offer the share of Common  Stock  initially  at the  public  offering
price set forth on the cover page of this  Prospectus  and to  certain  selected
dealers at such price less a concession  not to exceed $    per share;  that the
Underwriters may allow,  and such selected dealers may reallow,  a concession to
certain  other  dealers  not to  exceed  $     per  share;  and that  after  the
commencement of the Offering,  the public offering price and the concessions may
be changed.
 
     The  Company  has  granted  the  Underwriters  an option to purchase in the
aggregate  up to  300,000  additional  shares  of Common  Stock  solely to cover
over-allotments,  if any. The option may be exercised in whole or in part at any
time within 30 days after the date of this Prospectus.  To the extent the option
is exercised,  the Underwriters will be severally committed,  subject to certain
conditions,  to purchase the additional  shares of Common Stock in proportion to
their respective purchase commitments as indicated in the preceding table.
 
     The  Company  has agreed to  indemnify  the  Underwriters  against  certain
liabilities,  including  liabilities  under the Securities  Act, and, where such
indemnification is unavailable,  to contribute to payments that the Underwriters
may be required to make in respect of such liabilities.
 
     The  executive  officers,  directors and  stockholders  of the Company have
agreed  that they will not offer,  sell,  contract to sell or grant an option to
purchase  or  otherwise  dispose of any shares of the  Company's  Common  Stock,
options to acquire shares of Common Stock or any securities  exercisable for, or
convertible  into Common Stock owned by them,  for a period of 180 days from the
date  of  this   Prospectus,   without   the  prior   written   consent  of  the
Representative.  The  Company  also has agreed  not to offer,  sell or issue any
shares of Common  Stock,  options  to  acquire  Common  Stock or any  securities
exercisable for, or convertible into Common Stock, for
 
                                       40
<PAGE>
 
a period of 180 days from the date of this Prospectus, without the prior written
consent of the  Representative,  except that the  Company  may issue  securities
pursuant to the Company's stock option and incentive plans and upon the exercise
of any outstanding options and warrants.
 
     Prior to the  Offering,  there has been no  public  market  for the  Common
Stock. The initial public offering price for the shares of Common Stock included
in this Offering has been  determined by  negotiation  among the Company and the
Representative.  Among the factors considered in determining such price were the
history of and prospects for the Company's business and the industry in which it
operates, an assessment of the Company's  management,  past and present revenues
and earnings of the Company,  the prospects for growth of the Company's revenues
and earnings and  currently  prevailing  conditions in the  securities  markets,
including  current  market  valuations of publicly  traded  companies  which are
comparable to the Company.  There can be no assurance,  however, that the prices
at which the shares of Common  Stock will sell in the public  market  after this
Offering  will  not  be  lower  than  the  price  at  which  it is  sold  by the
Underwriters.
 
     The  Representative  has advised the Company that the  Underwriters  do not
intend to confirm  sales to any account over which they  exercise  discretionary
authority.
 
     Certain persons  participating  in the Offering may over allot or engage in
transactions  that stabilize,  maintain or otherwise  affect the market price of
the Common Stock,  including  entering  stabilizing  bids,  effecting  syndicate
covering  transactions  or imposing  penalty bids. A  stabilizing  bid means the
placing of any bid or effecting any purchase for the purpose of pegging,  fixing
or maintaining the price of the Common Stock. A syndicate  covering  transaction
means the  placing  of any bid on behalf of the  underwriting  syndicate  or the
effecting of any purchase to reduce a short position  created in connection with
the Offering.  A penalty bid means an arrangement  that permits the Underwriters
to reclaim a selling  concession from a syndicate  member in connection with the
Offering  when the Common  Stock sold by the  syndicate  member is  purchased in
syndicate  covering  transactions.  Any of the transactions  described above may
result in the maintenance of the price of the Common Stock at a level above that
which might otherwise prevail in the open market.  Such stabilizing  activities,
if commenced, may be discontinued at any time.
 
     At the request of the Company,  the Underwriters  have reserved up to 5% of
the  shares  of Common  Stock  offered  hereby  for sale to  certain  directors,
officers, employees and certain other persons having business relationships with
the Company, who have expressed an interest in purchasing shares of Common Stock
in this Offering.  The price for such reserved shares will be the initial public
offering  price.  The number of shares  available to the general  public will be
reduced to the extent such persons  purchase the reserved  shares.  Any reserved
shares that are not so purchased by such persons at the initial  closing of this
Offering  will be sold by the  Underwriters  to the  general  public on the same
terms and conditions as the other shares of Common Stock offered hereby.
 
     The Company has agreed to issue to the Representative, for consideration of
$.001 per warrant,  warrants (the  Representative's  Warrants) to purchase up to
200,000  shares of Common Stock at an exercise  price per share equal to 110% of
the initial public offering price. The Representative's Warrants are exercisable
for a period of five years  beginning  one year from the  effective  date of the
Company's  registration  statement,  of which  this  Prospectus  is a part.  The
holders  of  the  Representative's   Warrants  will  have  no  voting  or  other
stockholder rights unless and until the Representative's Warrants are exercised.
The Representative's Warrants may not be sold, transferred, assigned, pledged or
hypothecated  by any  person,  other than among the  Underwriters  and bona fide
officers or partners of the Underwriters, for a period of one year following the
effective date of the Company's registration statement, of which this Prospectus
is  a  part.   In  addition,   the  Company  has  granted  the  holders  of  the
Representative's  Warrants certain rights to register the shares of Common Stock
underlying the Representative's Warrants under the Securities Act.
 
     The  Company has also agreed to pay the  Representative  a  non-accountable
expense allowance equal to 1% of the gross proceeds of the Offering for expenses
incurred in connection therewith.
 
                                  LEGAL MATTERS
 
     Certain legal matters with respect to the validity of the Common Stock
offered hereby will be passed upon for the Company by Gibbons, Del Deo, Dolan,
Griffinger & Vecchione, a Professional Corporation, Newark,
 
                                       41

<PAGE>

New Jersey.  Certain legal matters will be passed upon for the  Underwriters  by
Venable, Baetjer and Howard, LLP, Baltimore, Maryland.
 
                                     EXPERTS
 
     The  consolidated  financial  statements  of the Company as of December 31,
1996 and 1997 and for each of the years in the three year  period ended December
31,  1997,  have been  included  herein  and in the  Registration  Statement  in
reliance upon the report of KPMG Peat Marwick LLP, independent  certified public
accountants,  appearing elsewhere herein, and upon the authority of said firm as
experts in accounting and auditing.
 
                             ADDITIONAL INFORMATION
 
     The Company has filed with the  Securities  and  Exchange  Commission  (the
Commission) a  Registration  Statement on Form S-1 under the Securities Act with
respect to the Common Stock offered hereby. This Prospectus does not contain all
of the information set forth in the Registration  Statement and the exhibits and
schedules to the Registration Statement. For further information with respect to
the Company and such  Common  Stock  offered  hereby,  reference  is made to the
Registration  Statement  and the  exhibits  and  schedules  filed as part of the
Registration  Statement.  Statements contained in this Prospectus concerning the
contents of any contract or any other document  referred to are not  necessarily
complete and in each instance  reference is made to the copy of such contract or
document filed as an exhibit to the Registration Statement.  Each such statement
is qualified in all respects by such reference to such exhibit. The Registration
Statement,  including exhibits and schedules thereto, as well as the reports and
other  information  filed by the Company with the  Commission,  may be inspected
without charge at the Public Reference Room of the Commission's principal office
at Judiciary Plaza, 450 Fifth Street, N.W.,  Washington,  D.C. 20549, and at the
Commission's regional offices at Seven World Trade Center, 13th Floor, New York,
New York 10048,  and 500 West  Madison  Street,  Suite 1400,  Chicago,  Illinois
60661. Copies of such material can also be obtained at prescribed rates from the
Public Reference Section of the Commission at Judiciary Plaza, 450 Fifth Street,
N.W.,  Washington,  D.C. 20549.  Electronic  filings made through the Electronic
Data Gathering Analysis and Retrieval System are also publicly available through
the Commission's Web Site (http://www.sec.gov).
 
     The  Company  is not  currently  subject  to  the  periodic  reporting  and
informational  requirements  of the Securities  Exchange Act of 1934, as amended
(the Exchange Act). As a result of this  Offering,  the Company will be required
to file  reports  and other  information  with the  Commission  pursuant  to the
requirements  of the Exchange  Act.  Such reports and other  information  may be
obtained from the Commission's Public Reference Section and copied at the public
reference  facilities and regional offices of the Commission  referred to above.
The Company  intends to furnish  holders of the Common Stock with annual reports
containing  financial  statements  audited by an independent  public  accounting
firm.
 
                                      42

<PAGE>

                    Medi-Cen Management, Inc. and Affiliates
                   Index to Consolidated Financial Statements



                                                                 Page
Medi-Cen Management, Inc. and Affiliates

Report of Independent Public Accountants ........................F-2

Consolidated Balance Sheets:
  As of December 31, 1996 and 1997 ..............................F-3

Consolidated Statements of Operations:
  For the years ended December 31, 1995, 1996 and 1997 ..........F-4

Consolidated Statements of Stockholders' Equity:
  For the years ended December 31, 1995, 1996 and 1997 ..........F-5

Consolidated Statements of Cash Flow:
  For the years ended December 31, 1995, 1996 and 1997 ..........F-6

Notes to Consolidated Financial Statements ......................F-7

Yater Medical Group, P.C.

Report of Independent Public Accountants ........................F-20

Balance Sheet:
  As of December 31, 1996 .......................................F-21

Statements of Operations:
  For the years ended December 31, 1995, 1996 ...................F-22

Statement of Stockholders' Equity:
  For the years ended December 31, 1995, 1996 ...................F-23

Statement of Cash Flows:
  For the years ended December 31, 1995, 1996 ...................F-24

Notes to Financial Statements ...................................F-25

                                      F-1



<PAGE>


When  the  events  referred  to in  Note  13 of the  Notes  to the  Consolidated
Financial  Statements have been consummated,  we will be in a position to render
the following report.


                                   [signed] KPMG Peat Marwick LLP


INDEPENDENT AUDITORS' REPORT

The Board of Directors and Stockholders
Medi-Cen Management, Inc. and Affiliates:

We have  audited  the  accompanying  consolidated  balance  sheets  of  Medi-Cen
Management,  Inc. and Affiliates (the Company) as of December 31, 1996 and 1997,
and the related consolidated statements of operations, stockholders' equity, and
cash flows for each of the years in the three year  period  ended  December  31,
1997. These  consolidated  financial  statements are the  responsibility  of the
Company's  management.  Our  responsibility  is to  express  an opinion on these
consolidated financial statements based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated  financial statements referred to above present
fairly, in all material respects, the financial position of Medi-Cen Management,
Inc. and  Affiliates as of December 31, 1996 and 1997,  and the results of their
operations  and their cash flows for each of the years in the three year  period
ended  December  31,  1997 in  conformity  with  generally  accepted  accounting
principles.



McLean, Virginia

February 13, 1998, except as to Note 13
which is as of __________, 1998

                                      F-2
<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES

Consolidated Balance Sheets

December 31, 1996 and 1997

                                                             1996       1997
                                                             ----       ----
ASSETS
Current assets:
     Cash.................................................. $ 18,647  $  648,069
     Patient accounts receivable, net of allowance for
       doubtful accounts of $129,313 and $715,468 in 1996
       and 1997, respectively..............................  493,076   2,729,205
     Accounts receivable--related parties (note 4).........  149,492     115,111
     Other current assets..................................   11,353      47,364
                                                            --------  ----------
Total current assets.......................................  672,568   3,539,749
                                                            --------  ----------
Furniture and equipment, net (note 5)......................  148,742     221,193
                                                            --------  ----------
Other assets
     Certificates of deposit (note 8)......................       --   1,125,000
     Due from related parties (note 4).....................       --   1,721,088
     Intangible assets, net (note 6).......................       --     389,940
     Deferred income taxes (note 9)........................   56,130     130,588
     Other.................................................    4,219      76,664
                                                            --------  ----------
Total other assets.........................................   60,349   3,443,280
                                                            --------  ----------
                                                            $881,659  $7,204,222
                                                            ========  ==========
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
     Accounts payable...................................... $ 24,709  $   42,558
     Accrued salaries and benefits.........................   13,091     383,534
     Other accrued expenses................................    5,744      76,203
     Income taxes payable..................................   10,595     304,673
     Deferred income taxes (note 9)........................       --     207,148
     Due to related parties (note 4).......................       --     135,000
     Current portion of long-term debt (note 7):
          Banks............................................   21,000     238,173
          Other............................................   48,231     221,973
                                                            --------  ----------
Total current liabilities..................................  123,370   1,609,262
                                                            --------  ----------
Long-term liabilities:
     Long-term debt (note 7):
          Banks............................................   80,500   3,307,086
          Other............................................  151,963     498,052
     Deferred revenue......................................  137,349     272,225
                                                            --------  ----------
Total long-term liabilities................................  369,812   4,077,363
                                                            --------  ----------
Total liabilities..........................................  493,182   5,686,625
                                                            --------  ----------
Stockholders' equity (note 10):
     Common stock, par value $0.0024, 10,000,000 shares 
       authorized, 3,347,239 and 3,366,841 shares issued
       and outstanding in 1996 and 1997, respectively......    8,033       8,080
     Additional paid-in capital............................   82,577     570,002
     Retained earnings/partners' capital...................  297,867     939,515
                                                            --------  ----------
Total stockholders' equity.................................  388,477   1,517,597
                                                            --------  ----------
Commitments (note 8)....................................... $881,659  $7,204,222
                                                            ========  ==========
See accompanying notes to consolidated financial statements.

                                       F-3

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES

Consolidated Statements of Operations

Years ended December 31, 1995, 1996, and 1997

<TABLE>
<CAPTION>
                                                            1995         1996         1997
                                                            ----         ----         ----
<S>                                                      <C>          <C>          <C>       
Net patient service revenue............................  $1,117,962   $1,078,343   $6,028,181
Fee revenue--related parties (note 4)..................      33,182      225,787      575,610
                                                         ----------   ----------   ----------
Total revenue..........................................   1,151,144    1,304,130    6,603,791
                                                         ----------   ----------   ----------
Operating expenses:
     Medical malls salaries, benefits and other costs..     567,535      596,520    2,133,064
     Medical malls management fee expenses (note 4)....          --           --    1,140,744
     Medical malls bad debt expense....................     133,094       86,786      912,799
     Fee related expenses..............................     124,028      200,870      413,503
     General and administrative expenses (note 4)......      37,735      111,246      841,532
     Depreciation and amortization.....................      20,083       30,559      117,591
                                                         ----------   ----------   ----------
Total expenses.........................................     882,475    1,025,981    5,559,233
                                                         ----------   ----------   ----------
Income from operations.................................     268,669      278,149    1,044,558
Other income (expense):
     Net interest expense..............................     (14,886)     (24,765)    (193,154)
     Gain on sale of equipment (note 4)................          --           --      424,499
                                                         ----------   ----------   ----------
Total other income (expense)...........................     (14,886)     (24,765)     231,345
                                                         ----------   ----------   ----------
Income before income taxes.............................     253,783      253,384    1,275,903
Provision (benefit) for income taxes (note 9)..........     (30,324)     (13,624)     229,340
                                                         ----------   ----------   ----------
Net income.............................................  $  284,107   $  267,008   $1,046,563
                                                         ==========   ==========   ==========
Earnings per common share..............................                            $      .31
                                                                                   ==========
Weighted average number of common shares outstanding...                             3,363,084
                                                                                   ==========
</TABLE>

See accompanying notes to consolidated financial statements.

                                       F-4

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES

Consolidated Statements of Stockholders' Equity

Years ended December 31, 1995, 1996, and 1997

<TABLE>
<CAPTION>
                                                                              RETAINED
                                                COMMON STOCK     ADDITIONAL   EARNINGS/
                                             ------------------    PAID-IN    PARTNERS'
                                              SHARES     AMOUNT    CAPITAL     CAPITAL       TOTAL
                                              ------     ------  ----------   ---------      -----
<S>                                         <C>          <C>      <C>        <C>          <C>       
Balance, December 31, 1994................  3,430,880    $8,234   $     --   $  217,749   $  225,983
Issuance of common stock..................     40,000        96         --          (95)           1
Distributions to partners.................         --        --         --     (238,700)    (238,700)
Net income................................         --        --         --      284,107      284,107
                                            ---------    ------   --------   ----------   ----------
Balance, December 31, 1995................  3,470,880     8,330         --      263,061      271,391

Options issued in exchange for services...         --        --     48,054           --       48,054
Purchase of common shares.................   (137,785)     (331)       327           --           (4)
Stock issued in exchange for services.....     14,144        34     34,196           --       34,230
Dividends paid............................         --        --         --       (4,202)      (4,202)
Distributions to partners.................         --        --         --     (228,000)    (228,000)
Net income................................         --        --         --      267,008      267,008
                                            ---------    ------   --------   ----------   ----------
Balance, December 31, 1996................  3,347,239     8,033     82,577      297,867      388,477

Assumption of control of Yater............         --        --    400,000           --      400,000
Options issued in exchange for services...         --        --     40,032           --       40,032
Stock issued in exchange for services.....     19,602        47     47,393           --       47,440
Dividends paid............................         --        --         --     (259,415)    (259,415)
Contributions from partners...............         --        --         --       40,000       40,000
Distributions to partners.................         --        --         --     (185,500)    (185,500)
Net income................................         --        --         --    1,046,563    1,046,563
                                            ---------    ------   --------   ----------   ----------
Balance, December 31, 1997................  3,366,841    $8,080   $570,002   $  939,515   $1,517,597
                                            =========    ======   ========   ==========   ==========
</TABLE>

See accompanying notes to consolidated financial statements.

                                       F-5

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES

Consolidated Statements of Cash Flows

Years ended December 31, 1995, 1996, and 1997

<TABLE>
<CAPTION>
                                                                           1995        1996         1997
                                                                           ----        ----         ----
<S>                                                                     <C>         <C>         <C>        
Cash flows from operating activities:
  Net income..........................................................  $ 284,107   $ 267,008   $ 1,046,563
  Adjustments to reconcile net income to net cash
    provided by (used in) operating activities:
      Depreciation and amortization...................................     20,083      30,559       117,591
      Provision (benefit) for deferred income taxes...................    (49,486)     (5,057)      (74,458)
      Provision for bad debt expense..................................    133,094      86,786       912,799
      Gain on sale of equipment.......................................         --          --      (424,499)
      Stock and options issued in exchange for services...............         --      82,284        87,472
      Payment of services with stock investment.......................         --          --        20,000
      Changes in operating assets and liabilities:
        Accounts receivable...........................................   (276,732)   (294,485)   (1,972,548)
        Other assets..................................................     (2,053)     (6,198)      (28,847)
        Income taxes payable..........................................     19,162      (8,567)      294,078
        Accounts payable..............................................     18,278       4,037      (178,306)
        Accrued salaries and benefits.................................       (164)     12,858       257,238
        Other accrued expenses........................................      3,637       1,643      (139,083)
        Deferred revenue..............................................    124,578      (7,229)      134,876
        Due from related parties......................................         --          --    (1,217,515)
                                                                        ---------   ---------   -----------
Cash provided by (used in) operating activities.......................    274,504     163,639    (1,164,639)
                                                                        ---------   ---------   -----------
Cash flows from investing activities:
  Purchase of furniture and equipment.................................    (11,056)       (639)         (812)
  Deposits returned...................................................     44,300          --            --
  Sale of equipment...................................................         --          --       483,810
  Loans to related parties............................................         --          --      (540,909)
  Repayments on loans to related parties..............................         --          --        37,336
  Purchase of certificates of deposit.................................         --          --    (1,125,000)
  Purchase of physician practice......................................         --          --       (30,000)
                                                                        ---------   ---------   -----------
Cash provided by (used in) investing activities.......................     33,244        (639)   (1,175,575)
                                                                        ---------   ---------   -----------
Cash flows from financing activities:
  Purchase of treasury stock..........................................         --          (4)           --
  Loan fees paid......................................................         --          --       (42,500)
  Borrowings on long-term debt........................................     40,000     145,000     5,781,825
  Dividends paid......................................................         --      (4,202)     (259,415)
  Payments on long-term debt..........................................    (34,234)   (135,565)   (2,459,774)
  Proceeds from issuance of common stock..............................          1          --            --
  Distributions to partners...........................................   (238,700)   (228,000)     (185,500)
  Due to related parties..............................................         --          --       135,000
                                                                        ---------   ---------   -----------
Cash provided by (used in) financing activities.......................   (232,933)   (222,771)    2,969,636
                                                                        ---------   ---------   -----------
Net increase (decrease) in cash.......................................     74,815     (59,771)      629,422
Cash, beginning of year...............................................      3,603      78,418        18,647
                                                                        ---------   ---------   -----------
Cash, end of year.....................................................  $  78,418   $  18,647   $   648,069
                                                                        =========   =========   ===========
Supplemental disclosure of cash flow information:
  Cash paid during the year for:
    Interest..........................................................  $  16,534   $  25,803   $   216,063
    Income taxes......................................................      1,415      12,950         9,720
                                                                        =========   =========   ===========
Supplemental schedule of noncash investing and financing activities:
  Assets acquired under capital lease.................................  $  72,937   $  74,223   $    90,783
  Payment of note with stock investment...............................         --          --        20,000
  Capital contributed through stock investment........................         --          --        40,000
  Assumption of control of Yater:
    Assets acquired...................................................         --          --     1,679,156
    Liabilities assumed...............................................         --          --     1,279,156
    Net assets acquired...............................................         --          --       400,000
                                                                        =========   =========   ===========
</TABLE>

See accompanying notes to consolidated financial statements.

                                       F-6

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
December 31, 1995, 1996, and 1997
- --------------------------------------------------------------------------------

(1)  DESCRIPTION OF BUSINESS

     Medi-Cen  Management,  Inc. and Affiliates  (the Company),  incorporated in
     1994 in  Maryland,  provides or arranges for the  provision  of  management
     services  to medical  practices  and  develops  low-cost  physician  driven
     provider  networks and medical mall  facilities.  The Company has developed
     three medical mall  facilities in the Washington  metropolitan  area,  each
     providing medical services ranging from general family practice to selected
     specialties.  Through  the medical  mall  facilities,  the Company  enables
     health care  providers and payors to offer  patients  high-quality  medical
     services  on  a  cost-effective  basis.   Additional  physician  management
     services  provided  by the  Company  include  marketing,  health care payor
     contracting  and  financial  and  administrative  management.  The  Company
     currently manages a network of 57 licensed health care providers that treat
     over 100,000 active patients. The Company's current customers are primarily
     affiliates  (see note 4). The Company intends to rapidly expand the medical
     mall concept  throughout  the  Washington-Baltimore  metropolitan  area and
     throughout   the   mid-Atlantic   region  to  take   advantage   of  market
     opportunities.  The Company operates in a highly  competitive market and is
     subject to the risk that it will be unable to identify and recruit suitable
     physicians on satisfactory terms to support continued growth.

(2)  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

     Basis of Presentation

     The  consolidated  financial  statements  have been prepared on the accrual
     basis of  accounting  and  include  the  accounts  of the  Company  and two
     entities  under common  control,  Yater  Medical  Group,  P.C.  (Yater) and
     Medi-Cen Physician Services, LLP (MPS).

     The Company, notwithstanding the lack of majority ownership of the stock of
     Yater and MPS, has sufficient  control over the operations of such entities
     so that  consolidation  of Yater and MPS is required to present  fairly the
     financial  position  and results of  operations  of the Company  because of
     control by means other than  ownership of stock.  Control by the Company is
     other than temporary because on December 31, 1997, the Company entered into
     ownership  transfer  restriction  agreements with the shareholders of Yater
     and partners of MPS.  These  agreements  restrict the sale of the ownership
     interests  and provide for the  transfer of the  ownership  interests  to a
     Company-designated  transferee.  No  consideration  is  required  upon such
     involuntary  transfer of the Yater  shares.  The MPS  partnership  interest
     transfer  restriction  agreement provides for a payment from the Company to
     the  estate  of  the  partners  upon  the  partners  death  at  a  mutually
     agreed-upon  fair  value  at  time of  death.  These  transfer  restriction
     agreements  provide  the  Company  sole  authority  over  ownership  of the
     practices,   subject  to  permissible   shareholders   restrictions   under
     applicable state law.

     Steven  Macedo  and his  wife  are the  sole  partners  of MPS.  Yater  was
     purchased by Steven Macedo and his wife on January 17, 1997. The Company is
     owned 90% by Steven  Macedo and his  brother,  Michael  Macedo.  Due to the
     presence of this common  control by the Macedos,  in  conjunction  with the
     ownership transfer restriction  agreements effective December 31, 1997, and
     the management services agreements  effective January 1, 1997, MPS has been
     consolidated  with the  accounts of the Company for all periods  presented.
     Yater has been  consolidated  with these two entities for the period ending
     December  31, 1997,  the period when common  control was  established.  The
     consolidation of these entities has been accounted for on a historical cost
     basis (see note 3). All intercompany  accounts and  transactions  have been
     eliminated in the consolidation.

                                                                     (Continued)

                                       F-7
<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(2)  CONTINUED

     Net Patient Service Revenue

     Net patient  service  revenue is reported at the estimated  net  realizable
     amounts  from  patients,   third-party  payors,  and  others  for  services
     rendered.   The  Company  has  numerous   agreements   under  managed  care
     arrangements  to  provide  physician   services  based  on  negotiated  fee
     schedules.  Services  under these  agreements  are recorded as revenue when
     provided.  No contracts with third party payors or individual  managed care
     agreements are material to the Company.

     Fee Revenue--Related Parties

     The Company  enters into  contracts  with all of its  customers  to provide
     medical information  services.  The Company earns an ongoing fee based on a
     fixed  percentage of total  charges  billed by the Company on behalf of the
     medical  practice.  These  contracts  have  20-year  terms  and can only be
     terminated  for  cause  as  outlined  in the  agreement.  Certain  of these
     contracts provide for a one-time initial management fee of $150,000 for the
     start-up and initial  establishment of the administrative  services related
     to the medical information services to be provided. This fee is included in
     deferred  revenue and is being  amortized  into income over the term of the
     contract.

     Furniture and Equipment

     Furniture  and equipment is stated at cost.  Capitalized  leased assets are
     stated  at the  lower of the  present  value of the  future  minimum  lease
     payments or fair market value at the  inception of the lease.  Expenditures
     for maintenance and repairs which do not materially extend the useful lives
     of the equipment are expensed as incurred.

     Provisions  for   depreciation   and   amortization  are  provided  on  the
     straight-line  basis over estimated useful lives, or the term of the lease,
     if shorter, generally ranging from three to ten years.

     Income Taxes

     Income taxes are  accounted  for in accordance  with  Financial  Accounting
     Standards  Board  Statement No. 109  (Statement  109).  Under the asset and
     liability method of Statement 109,  deferred tax assets and liabilities are
     determined based on differences  between financial  reporting and tax bases
     of assets and  liabilities and are measured using the enacted tax rates and
     laws that are expected to apply to taxable income in the years in which
     those temporary differences are expected to be recovered or settled.

     A provision for income taxes has not been  provided for MPS,  since any tax
     benefit or liability is the  responsibility of the individual  partners.  A
     provision has also not been provided for Yater.  Yater, with the consent of
     its  stockholders,  elected  to have its income  taxed as an S  corporation
     under Section 1362 of the Internal Revenue Code effective  January 1, 1997.
     This section  provides  that,  in lieu of  corporation  income  taxes,  the
     shareholders report their proportionate share of the taxable income or loss
     on their individual income tax returns.  However,  a deferred tax liability
     for  Yater has been  presented  in  accordance  with  Statement  109 for an
     unrealized  built-in  gain  as  a  result  of  Yater  converting  from  a C
     corporation to an S corporation on January 1, 1997.

     Earnings Per Share

     The Company adopted  Statement 128,  Earnings Per Share, in 1997.  Earnings
     per share are  computed  by  dividing  net income by the  weighted  average
     number of common  shares  outstanding.  Common stock  options do not have a
     dilutive  effect  under the  treasury  stock method and are not included in
     this calculation.
                                                                     (Continued)

                                       F-8

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(2)  CONTINUED

     Use of Estimates

     The  preparation  of financial  statements  in  conformity  with  generally
     accepted  accounting  principles  requires management to make estimates and
     assumptions  that affect the reported amounts of assets and liabilities and
     disclosure  of  contingent  assets  and  liabilities  at  the  date  of the
     financial statements. Estimates also effect the reported amounts of revenue
     and expenses during the reporting period.  Actual results could differ from
     those estimates.

     Fair Value of Financial Instruments

     The carrying amounts of the Company's financial  instruments,  as reflected
     in the accompanying  consolidated  balance sheets,  approximate fair value.
     Financial instruments consist of cash, accounts receivable, certificates of
     deposit, due from/to related parties,  accounts payable,  accrued expenses,
     and long term debt.

     Stock Option Plan

     The Company accounts for its stock option plan in accordance with Statement
     123,  Accounting for Stock-Based  Compensation,  which permits  entities to
     recognize  as  expense  over  the  vesting  period  the  fair  value of all
     stock-based  awards  on the date of  grant.  Alternatively,  Statement  123
     allows   entities  to  continue  to  apply  the  provisions  of  Accounting
     Principles  Board ("APB")  Opinion No. 25,  Accounting  for Stock Issued to
     Employees,  and  provide  pro forma net income and pro forma  earnings  per
     share   disclosures   for   employee   stock   option   grants  as  if  the
     fair-value-based  method  defined in Statement 123 had been applied.  Under
     APB Opinion No. 25,  compensation  expense would be recorded on the date of
     grant only if the current market price of the underlying stock exceeded the
     exercise price. The Company has elected to continue to apply the provisions
     of APB Opinion No. 25 and provide the pro forma  disclosure  provisions  of
     Statement 123 for employee stock option grants.  Non-employee  stock option
     grants are recorded in accordance with the provisions of Statement 123.

     Intangible Assets

     Intangible assets consist primarily of patient lists which were acquired in
     the acquisition of Yater and are being  amortized on a straight-line  basis
     over the estimated useful life of 20 years.

     On January 1, 1996, the Company adopted  Statement 121,  Accounting for the
     Impairment of Long-Lived  Assets and for  Long-Lived  Assets to be Disposed
     Of. Under Statement 121,  intangibles are reviewed for impairment  whenever
     events or changes in circumstances indicate that the carrying amount of the
     asset may not be  recoverable.  If this review  indicates that the carrying
     amount of the  asset may not be  recoverable,  as  determined  based on the
     undiscounted  cash  flows of the  operations  acquired  over the  remaining
     amortization  period,  the  carrying  value of the asset is reduced to fair
     value.  Management has determined that long-lived  assets are fairly stated
     in the accompanying  consolidated balance sheets, and that no indicators of
     impairment are present.

(3)  BUSINESS COMBINATIONS

     The Company entered into ownership transfer restriction agreements with the
     shareholders  of Yater and partners of MPS effective  December 31, 1997. As
     more  fully  described  in note 2,  these  agreements  give the  Company  a
     controlling  financial  interest over the  operations of Yater and MPS. The
     Company and MPS were under common control for all periods presented.  Yater
     was under  common  control for 1997 only.  Because of the  presence of this
     common control,  the  consolidation  of these entities in the  accompanying
     financial  statements is accounted for in a manner  similar to a pooling of
     interests.

                                                                     (Continued)

                                       F-9
<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(3)  CONTINUED

     The results of operations  previously reported by the separate entities and
     the combined amounts presented in the accompanying  consolidated  financial
     statements are as follows:
                                               1995         1996         1997
                                               ----         ----         ----
     Total revenue:
          MPS............................   $1,117,962   $1,078,343   $1,819,626
          Yater..........................           --           --    4,208,555
          MMI............................       97,946      311,829    1,467,360
                                            ----------   ----------   ----------
                                             1,215,908    1,390,172    7,495,541
     Intercompany eliminations...........       64,764       86,042      891,750
                                            ----------   ----------   ----------
     Combined after eliminations.........    1,151,144    1,304,130    6,603,791
                                            ----------   ----------   ----------
     Net income (loss):
          MPS............................      329,206      291,518       33,841
          Yater..........................           --           --      632,531
          MMI............................      (45,099)     (24,510)     380,191
                                            ----------   ----------   ----------
     Combined............................   $  284,107   $  267,008   $1,046,563
                                            ==========   ==========   ==========

    Transactions  eliminated upon consolidation  included management and billing
    fees between MMI, MPS and Yater.

(4)  RELATED-PARTY TRANSACTIONS

     Fee Revenue

     The Company earns substantially all its fee revenue from a related company,
     Medi-Cen,  Corp. of Maryland (MOM).  The chief executive  officer and board
     chairman of MOM is Steven Macedo. Steven Macedo is also the chief executive
     officer and board chairman of Medi-Cen  Corporation of America (MCA), which
     is  the   franchiser  of  the  Medi-Cen  name  and  philosophy  of  medical
     management.  The  franchise  agreement  requires  MOM to contract  with the
     Company for its medical information services. Steven and Michael Macedo own
     approximately 20% of the stock of MOM, and 22% of the stock of MCA.

     The Company's  remaining fee revenue,  totaling $62,888 and $81,332 for the
     years ended  December  31, 1996 and 1997,  respectively,  was earned from a
     physician practice owned by an officer of the Company. In addition,  during
     1996 the  Company  earned  $141,038  from  Yater,  prior to the date it was
     acquired by Steven Macedo.

     Accounts  receivable  related to these fees was  $149,492  and  $115,111 at
     December 31, 1996 and 1997, respectively.

     Medical Malls Management Fee Expense

     During 1997,  both Yater and MPS entered into  management  agreements  with
     MOM. Under these agreements,  MOM provides operational services,  including
     facilities,  equipment,  nonprofessional  staff, and billing and collecting
     services,  for a fee equal to 43.25% of cash  collections  of the physician
     practices.  Expenses are accrued as cash is collected. These agreements may
     be  terminated by either party with 90 days notice with MOM having no claim
     to uncollected revenue.

                                                                     (Continued)

                                       F-10
<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(4)  CONTINUED

     Due From Related Parties

     Both Yater and MPS  prepaid  management  fees to MOM during  1997.  Amounts
     outstanding of $1,217,515  are included in due from related  parties in the
     accompanying  consolidated  balance sheets at December 31, 1997. These fees
     are to be  repaid  out of  certain  cash  collections  as  agreed to by the
     parties. Interest is earned on the outstanding balance at prime plus .5%.

     MPS has a loan receivable  from an employee with an outstanding  balance of
     $103,573 at December  31,  1997.  This loan is being  repaid out of certain
     cash  collections  from billings of this employee  physician.  This loan is
     fully collateralized by certain accounts receivable of the employee as well
     as the employee's personal residence.

     Steven Macedo owes Yater $400,000 in connection with the purchase of Yater.
     This unsecured loan will be repaid beginning in 1999. Interest is earned on
     the outstanding balance at prime plus .5%.

     Due to Related Parties

     The Company owes Steven and Michael  Macedo a total of $135,000 at December
     31, 1997 for short term cash  advances.  These  advances are expected to be
     repaid in 1998 with  interest at prime plus .5% out of the  proceeds of the
     anticipated initial public offering.

     Gain on Sale of Equipment

     Both Yater and MPS sold certain  equipment with a net book value of $59,311
     to MOM during 1997. Cash proceeds from these sales totaled $483,810,  which
     approximated the fair value of the equipment.

     Consulting Expenses

     Both Yater and MPS have entered into agreements with Michael Macedo in 1997
     to provide business development  consulting  services.  These contracts are
     for 5 years  and have  fixed  payments  due  totaling  $1,455,000  over the
     remaining term of the agreements.  Total consulting expenses incurred under
     these  agreements  were  $317,500  in 1997 and are  included in general and
     administrative  expenses in the  accompanying  consolidated  statements  of
     operations.

(5)  FURNITURE AND EQUIPMENT

     Furniture  and  equipment at December  31, 1996 and 1997,  consisted of the
     following:
                                                             1996        1997
                                                             ----        ----
     Computer equipment and software....................  $ 186,369   $ 277,151
     Furniture and office equipment.....................     64,245     119,205
                                                          ---------   ---------
                                                            250,614     396,356
     Less accumulated depreciation and amortization.....   (101,872)   (175,163)
                                                          ---------   ---------
     Furniture and equipment, net.......................  $ 148,742   $ 221,193
                                                          =========   =========

                                                                     (Continued)
                                      F-11

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(6)  INTANGIBLE ASSETS

     Intangible assets are summarized as follows:

                                                              1996       1997
                                                              ----       ---- 
     Patient lists........................................   $   --    $419,411
     Less accumulated amortization........................       --     (29,471)
                                                             ------    --------
     Intangible assets, net...............................   $   --    $389,940
                                                             ======    ========

    Substantially  all of the intangible  assets of the Company were  intangible
    assets of Yater which were acquired  through the business  combination  with
    Yater (see note 3).

                                                                     (Continued)
                                      F-12

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(7)  LONG-TERM DEBT

     Long-term debt consists of the following at December 31:

                                                            1996        1997
                                                            ----        ----
     Note and line of credit payable to a bank, interest
       only due monthly on the term loan of $3,000,000
       until February 1, 1999 when monthly principal 
       payments of $50,000 are also due; line of credit
       is available in the maximum amount of $1,500,000 
       to fund the acquisition of new medical practices,
       $174,644 has been drawn as of December 31, 1997, 
       interest only due monthly until February 1, 1999
       when principal payments become payable over
       60 months. Yater and MPS are co-borrowers on 
       these obligations which bear interest at prime 
       plus .5% (9% at December 31, 1997), are due on
       January 1, 2004, are secured by all assets of Yater
       and MPS as well as certain other collateral defined
       in the agreement, and are guaranteed by Steven 
       Macedo and his wife. Steven Macedo's parents have
       also guaranteed up to $1,500,000 of this debt. 
       Yater and MPS are subject to certain financial
       and other covenants as outlined in the agreements 
       dated December 31, 1997 .......................... $     --   $3,174,644

     Three notes payable to two banks, monthly principal
       payments of $1,750 plus interest at prime plus 1%
       on one of the notes, due October 1, 2001, and
       monthly principal and interest payments of $2,017
       with interest at 9.5% on the second note, due
       May 28, 2002. The third note requires monthly 
       interest payments at prime plus 1.5% with the
       principal of $199,750 due on May 28, 1998. The
       assets of MMI, excluding the certificates
       of deposit, secure these notes. The notes are
       guaranteed by Steven and Michael Macedo...........  101,500      370,615

     Various notes payable to former owners of Yater;
       total monthly principal and interest payments
       of $10,000 with interest at 8%; due July 1, 2002;
       secured by the assets of Yater, subordinated to the
       note and line of credit above.....................       --      529,808

     Various capital lease obligations, primarily for
       computer equipment; monthly payments totaling
       $6,626 at December 31, 1997 with interest ranging
       from 11.9% to 18%; due at varying dates from
       November 26, 1999 to August 2002; guaranteed by 
       Michael Macedo.  Cost recorded for the equipment
       is $144,585 and $232,907 with accumulated 
       amortization of $19,854 and $58,338 at December 31,
       1996 and 1997, respectively.......................  130,861      180,217

    Other long-term debt.................................   69,333       10,000
                                                          --------   ----------
                                                           301,694    4,265,284
    Less current portion.................................  (69,231)    (460,146)
                                                          --------   ----------
                                                          $232,463   $3,805,138
                                                          ========   ==========
                                                                     
     Maturities of long-term debt are as follows:
        
          1998...............................................    $  460,146
          1999...............................................       819,057
          2000...............................................       804,591
          2001...............................................       800,712
          2002...............................................       702,997
          Thereafter.........................................       677,781
                                                                 ----------
                                                                 $4,265,284
                                                                 ==========

                                      F-13
<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(8)  COMMITMENTS

     Operating Leases

     The Company has entered  into a lease for new office  space  expected to be
     occupied  by April  1998.  The lease is for five  years  with  annual  rent
     increases as  specified  in the lease.  The lease may be extended for three
     additional  terms of five years each.  This lease will  replace the current
     office lease with the same landlord which will automatically terminate when
     the Company moves into its new space.

     Yater and MPS have entered  into various  operating  lease  agreements  for
     clinic space and office equipment. All lease payments for MPS and Yater are
     being paid by MOM as part of the management services agreement described in
     note 4. The leases  have not been  assigned  to or assumed by MOM,  and are
     included  below  under  physician  practices  lease  commitments.   If  the
     management  services agreement were to terminate,  the Company would resume
     payments on these leases.

     Future minimum lease payments under these  noncancelable  operating leases,
     including equipment leases, are as follows:

                                                                  PHYSICIAN
                                                      COMPANY     PRACTICES
                                                      -------     ---------
          1998....................................   $ 58,475    $  606,559
          1999....................................     69,643       362,092
          2000....................................     74,634       277,405
          2001....................................     62,664       277,528
          2002....................................     63,642        97,925
          Thereafter..............................     21,420            --
                                                     --------    ----------
                                                     $350,478    $1,621,509
                                                     ========    ==========

     Total rent expense under all operating leases,  including various equipment
     leases, was $76,005,  $74,344, and $89,452 for the years ended December 31,
     1995, 1996, and 1997, respectively.

     Affiliate Debt

     The Company has  collateralized  debt of MOM with  certificates  of deposit
     totaling  $1,125,000  as  of  December  31,  1997.  The  Company  has  also
     guaranteed up to $90,000 of this debt.

                                                                     (Continued)

                                      F-14

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(9)  INCOME TAX EXPENSE

     Income tax expense  (benefit) for the years ended December 31, 1995,  1996,
     and 1997 consists of the following:

                                                 1995         1996       1997
                                                 ----         ----       ----
     Current:
       Federal..............................   $ 15,689    $ (7,098)   $248,734
       State................................      3,473      (1,469)     55,064
                                               --------    --------    --------
                                                 19,162      (8,567)    303,798
                                               --------    --------    --------
     Deferred:
       Federal..............................    (40,319)     (4,457)    (65,638)
       State................................     (9,167)       (600)     (8,820)
                                               --------    --------    --------
                                                (49,486)     (5,057)    (74,458)
                                               --------    --------    --------
     Total..................................   $(30,324)   $(13,624)   $229,340
                                               ========    ========    ========

     Total income tax expense  differed from the amount computed by applying the
     U.S.  federal income tax rate of 34% for the years ended December 31, 1995,
     1996, and 1997 to income before income taxes as a result of the following:

<TABLE>
<CAPTION>
                                                                      1995        1996        1997
                                                                      ----        ----        ----
<S>                                                                <C>         <C>         <C>      
     Computed "expected" tax expense............................   $  86,286   $  86,150   $ 433,807
     Increase (decrease) in income taxes resulting from:
       State income taxes, net of federal income tax benefit....      11,725       11,705     58,945
       Income (loss) not taxed at corporate level...............    (128,335)    (112,403)  (265,816)
       Other....................................................          --         924       2,404
                                                                   ---------   ---------   ---------
     Total income tax expense...................................   $ (30,324)  $ (13,624)  $ 229,340
                                                                   =========   =========   =========
</TABLE>

     The significant  components of the deferred tax benefit for the years ended
     December 31, 1995, 1996, and 1997 are as follows:
<TABLE>
<CAPTION>
                                                                      1995        1996         1997
                                                                      ----        ----         ----
<S>                                                                <C>         <C>        <C>        
     Deferred revenue...........................................   $ (56,385)  $   2,819  $  (52,602)
     Book depreciation in excess of tax depreciation............       5,312      10,865       4,333
     Net operating loss.........................................       1,587          --          --
     Stock compensation.........................................          --     (18,741)    (26,189)
                                                                   ---------   ---------   ---------
     Total deferred tax benefit.................................   $ (49,486)  $  (5,057)  $ (74,458)
                                                                   =========   =========   =========
</TABLE>

                                                                     (Continued)

                                      F-15

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(9)  CONTINUED

     The tax  effects of  temporary  differences  that give rise to  significant
     portions of the deferred tax asset (liability) are presented below:

                                                              1996       1997
                                                              ----       ----
     Deferred tax assets:
       Stock compensation.................................  $18,741    $ 44,930
       Deferred revenue...................................   53,566     106,168
                                                            -------    -------- 
     Total deferred tax assets............................   72,307     151,098
                                                            -------    -------- 
     Deferred tax liabilities:
       Unrealized built-in gain...........................       --     207,148
       Property and equipment, principally
         differences in depreciation......................   16,177      20,510
                                                            -------    -------- 
     Total deferred tax liabilities.......................   16,177     227,658
                                                            -------    -------- 
     Net noncurrent deferred tax assets...................   56,130     130,588
                                                            -------    -------- 
     Net current deferred tax liability...................  $    --    $207,148
                                                            =======    ========

(10) STOCKHOLDERS' EQUITY

     Common Stock

     The Company was originally capitalized through the issuance of 83 shares of
     common stock for $1 each, at a par value of $.01.  After 1 additional share
     was issued in 1995,  the Board of  Directors  approved a 10,000 for 1 stock
     split in July 1995.  All share and per share  amounts  in the  accompanying
     consolidated  financial  statements  have been  retroactively  adjusted  to
     reflect the stock split (see also note 13).

     Dividends

     During 1996 and 1997,  dividends  of $0.0012 per share and $0.05 per share,
     respectively, were paid to shareholders of the Company. In addition, during
     1997, dividends totaling $73,000 were paid to the shareholders of Yater.

     Stock Issued for Services Rendered

     Common stock issued to employees and consultants in recognition of services
     rendered  totaled  14,144 and 19,602 shares during the years ended December
     31, 1996 and 1997,  respectively,  at a fair value of $34,230 and  $47,440,
     respectively.

     Stock Option Plan

     Options to purchase  common stock under the Company's stock option plan are
     granted to  employees at prices which are at or exceed fair market value as
     determined by the Board of Directors.  The options vest either  immediately
     or when certain  objectives  are met. The  expiration  dates of options are
     determined  by the  Company's  Board of Directors and are generally 5 years
     after issuance.

                                                                     (Continued)

                                      F-16

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(10) CONTINUED

     The Company  applies APB Opinion No. 25 in accounting  for its stock option
     plan for options  granted to employees  and  accordingly,  no  compensation
     expense has been  recognized in the financial  statements.  Had the Company
     determined  compensation  expense based on the fair value at the grant date
     for its stock options under  Statement  123, the Company's net income would
     have been  reduced to the pro forma  amounts  indicated  below (no  options
     granted prior to 1996):

                                                      1996         1997
     Net income:
       As reported...............................   $267,008    $1,046,563
       Pro forma.................................    172,659     1,011,990
     Earnings per common share:
       As reported...............................               $      .31
       Pro forma.................................                      .30
                                                    ========    ==========

     The fair value of each option is  estimated  on the date of grant using the
     Black-Scholes  option  pricing  model with the  following  weighted-average
     assumptions  generally  used for  grants  in 1996 and  1997,  respectively:
     dividend yield of .1 and 2.4%,  expected volatility of 28.8 and 62.0%, risk
     free interest rate of 6.2 and 6.25%, and expected lives of 5 and 3 years.

     A summary of the status of the  Company's  stock options as of December 31,
     1996 and  1997,  and  changes  during  the years  ended on those  dates is
     presented below:
                                                    1996              1997
                                              ----------------  ----------------
                                                     WEIGHTED-         WEIGHTED-
                                                       AVERAGE           AVERAGE
                                                      EXERCISE          EXERCISE
                                               SHARES   PRICE    SHARES   PRICE
                                               ------   -----    ------   -----
     Outstanding at beginning of year........      --   $  --   491,708   $2.42
         Granted............................. 491,708    2.42    84,706    6.43
                                              -------   -----   -------   -----
     Outstanding at end of year.............. 491,708    2.42   576,414    3.00
                                              -------   -----   -------   -----
     Options exercisable at year-end......... 179,329    2.42   256,712    3.17
                                              -------   -----   -------   -----
     Weighted-average fair value of options
       granted during the year:
         Exercise price equals market value..           $3.54             $4.48
         Exercise price exceeds market value.           $  --             $2.76
                                              =======   =====   =======   =====

     At December 31,  1997,  after  giving  effect to the planned  change in the
     Company's  capital  structure as described in note 13, 524,764  outstanding
     options  under the  Company's  stock option plan have an exercise  price of
     $2.42 and  45,824  have an  exercise  price of $10.00.  Of the  exercisable
     options,  227,623  have an  exercise  price of  $2.42  and  29,089  have an
     exercise price of $10.00. The weighted-average  remaining  contractual life
     of the outstanding and exercisable options is approximately 7 years for the
     $10.00 options and 5 years for the $10.00 options.

     Options  outstanding and exercisable at December 31, 1996 and 1997,  issued
     to  non-employees,  totaled  73,000  and  114,353,  respectively,  with  an
     exercise price of $2.42.  Compensation  expense recognized in 1996 and 1997
     for compensation awards to consultants was $48,054

                                                                     (Continued)
                                      F-17

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(10) CONTINUED

     and $40,032, respectively,  based on 73,000 and 41,353 options issued, with
     a weighted average value per option of $2.72 and $4.00, respectively.

(11) CONCENTRATION OF CREDIT RISK

     The Company grants credit to its customers,  primarily affiliates,  without
     collateral.  These receivables are generally considered  collectible by the
     Company.

     MPS and Yater grant credit without collateral to all its patients,  most of
     whom  are  local  residents  and  are  insured  under   third-party   payor
     agreements. Appropriate allowances have been made on those receivables that
     are  considered  uncollectible.  A  breakdown  of the  percentage  of gross
     patient accounts receivable as of December 31 by type of payor follows:

                                                                  1996     1997
                                                                  ----     ----
     Medicare.................................................     20%      11%
     Blue Cross Blue Shield (all plans).......................     17       17
     Self-pay.................................................     18       33
     Other (none more than 10%)...............................     45       39
                                                                  ---      ---
                                                                  100%     100%
                                                                  ===      ===
(12) PROFESSIONAL AND GENERAL LIABILITY INSURANCE

     MPS and Yater  maintain  professional  and general  liability  insurance to
     cover  medical  malpractice  claims.  Management is not aware of any claims
     against the Company.

(13) SUBSEQUENT EVENTS

     Modifications to Capital Structure

     On March 11, 1998 the Company's Board of Directors authorized the filing of
     a Registration  Statement on Form S-1 in connection  with a planned initial
     public  offering of the Company's  stock.  The Company  intends to effect a
     stock  split  of  the  Company's   common  stock  and  options  issued  and
     outstanding  in the amount of 4.132 shares for every one share  outstanding
     as of the  effective  date  of the  transaction.  The  Company's  Board  of
     Directors  also approved an increase in the number of authorized  shares to
     10,000,000  with a par value of  $0.0024.  All share,  option and per share
     information in the accompanying consolidated financial statements have been
     retroactively  adjusted to give effect to the planned  modification  to the
     Company's capital structure.

     The Board of Directors  granted 900,000 stock options to each of Steven and
     Michael Macedo under the employee stock option plan.

(14) NEW FINANCIAL ACCOUNTING STANDARDS

     Physician Practice Management Companies

     In  November  1997,  the  Emerging  Issues  Task  Force  of  the  Financial
     Accounting  Standards  Board reached a consensus on issue 97-2. All changes
     that would be required  under this  consensus  have been  reflected  in the
     accompanying consolidated financial statements.

     Statement 130

     In June 1997, the Financial  Accounting Standards Board issued Statement of
     Financial  Accounting  Standards No. 130, Reporting  Comprehensive  Income.
     Statement 130 establishes  standards for the required reporting and display
     of comprehensive income and its components in equal prominence with other

                                                                     (Continued)
                                      F-18

<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES
Notes to Consolidated Financial Statements
- --------------------------------------------------------------------------------

(14) CONTINUED

     financial statements. Statement 130 was issued to address concerns over the
     practice of reporting elements of comprehensive income directly in equity.

     Statement  130 is effective for both interim and annual  periods  beginning
     after  December 15, 1997.  Comparative  financial  statements  provided for
     earlier  periods are required to be  reclassified to reflect the provisions
     of this Statement.  It is not anticipated  that Statement 130 will have any
     material  effect on current or prior period  financial  statement  displays
     presented by the Company.

     Statement 131

     In June 1997, the Financial  Accounting Standards Board issued Statement of
     Financial  Accounting  Standards No. 131,  Disclosures about Segments of an
     Enterprise and Related Information. Statement 131 establishes standards for
     the  way  public  business  enterprises  are to  report  information  about
     operating  segments  in annual  financial  statements  and  requires  those
     enterprises to report  selected  information  about  operating  segments in
     interim  financial  reports  issued to  shareholders.  It also  establishes
     standards for related  disclosures about products and services,  geographic
     areas and major customers.

     Statement 131 is effective for financial  statements for periods  beginning
     after  December 15, 1997. In the initial year of  application,  comparative
     information for earlier years is to be restated, unless it is impracticable
     to do so. Statement 131 need not be applied to interim financial statements
     in the initial year of its  application,  but  comparative  information for
     interim  periods in the initial  year of  application  shall be reported in
     financial statements for interim periods in the second year of application.
     It is not  anticipated  that Statement 131 will have any material effect on
     current or prior period disclosures presented by the Company.

                                     F-19


<PAGE>

INDEPENDENT AUDITORS' REPORT



The Board of Directors and Stockholders
Yater Medical Group, P.C.:


We have audited the accompanying balance sheet of Yater Medical Group, P.C. (the
Company) as of December  31, 1996,  and the related  statements  of  operations,
stockholders'  equity,  and cash flows for the years ended December 31, 1995 and
1996.  These  financial  statements  are  the  responsibility  of the  Company's
management.  Our  responsibility  is to express  an  opinion on these  financial
statements based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion,  the financial  statements  referred to above present fairly, in
all material respects, the financial position of Yater Medical Group, P.C. as of
December 31, 1996,  and the results of its operations and its cash flows for the
years ended  December 31, 1995 and 1996 in conformity  with  generally  accepted
accounting principles.



McLean, Virginia
February 6, 1998

                                      F-20

<PAGE>

YATER MEDICAL GROUP, P.C.

Balance Sheet
December 31, 1996
- --------------------------------------------------------------------------------

ASSETS
Current assets:
  Cash.............................................................  $    2,348
  Accounts receivable, net of allowance for doubtful
    accounts of $330,757...........................................   1,142,001
  Prepaid expenses and other assets................................      14,509
                                                                     ----------
Total current assets...............................................   1,158,858
                                                                     ----------
Furniture and equipment............................................   1,267,672
Less accumulated depreciation......................................  (1,139,385)
                                                                     ----------
Furniture and equipment, net.......................................     128,287
Deposits...........................................................       2,600
                                                                     ----------
                                                                     $1,289,745
                                                                     ==========
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
  Accounts payable.................................................  $  196,155
  Accrued expenses (note 3)........................................     305,096
  Deferred income taxes (note 5)...................................     204,267
  Due to former partners (note 6)..................................      77,572
                                                                     ----------
Total liabilities..................................................     783,090
                                                                     ----------
Stockholders equity (note 6):
  Preferred stock, no par value, 10,000 shares authorized,
    4,000 shares issued and outstanding............................      73,303
  Common stock, par value $1.00, 40,000 shares authorized,
    4,000 shares issued and outstanding............................       4,000
  Additional paid-in capital.......................................     848,513
  Accumulated deficit..............................................    (419,161)
                                                                     ----------
Total stockholders' equity.........................................     506,655
                                                                     ----------
Commitments (note 4)...............................................  $1,289,745
                                                                     ==========

See accompanying notes to financial statements.

                                      F-21

<PAGE>

YATER MEDICAL GROUP, P.C.

Statements of Operations
Years ended December 31, 1995 and 1996
- --------------------------------------------------------------------------------

                                                            1995         1996
                                                            ----         ----
Net patient service revenues..........................   $5,778,452   4,765,699
Expenses:
  Clinic salaries and benefits........................    3,186,932   2,718,350
  Clinic rent and lease expenses......................      392,935     392,400
  Clinic pharmaceuticals and supplies.................      657,671     552,921
  Other clinic costs..................................      811,327     799,658
  Bad debt expense....................................      409,141     501,474
  Depreciation........................................       67,067      40,518
                                                         ----------   ---------
Total expenses........................................    5,525,073   5,005,321
                                                         ----------   ---------
Net income (loss) before income taxes.................      253,379    (239,622)
Income tax expense (benefit) (note 5).................      296,892     (92,625)
                                                         ----------   ---------
Net loss..............................................   $  (43,513)   (146,997)
                                                         ==========    ======== 

See accompanying notes to financial statements.

                                      F-22

<PAGE>

YATER MEDICAL GROUP, P.C.

Statements of Stockholders' Equity
Years ended December 31, 1995 and 1996
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                   PREFERRED STOCK   COMMON STOCK    ADDITIONAL
                                      PARTNERS'   ----------------  ---------------    PAID-IN   ACCUMULATED
                                       CAPITAL    SHARES    AMOUNT  SHARES   AMOUNT    CAPITAL     DEFICIT      TOTAL   
                                       -------    ------    ------  ------   ------    -------     -------      -----
<S>                                  <C>           <C>     <C>       <C>     <C>       <C>        <C>         <C>       
Balance, December 31, 1994.........  $1,583,629       --   $    --      --   $   --         --          --    1,583,629 
Distributions to partners..........    (886,464)      --        --      --       --         --          --     (886,464)
Net income (loss)..................     228,651       --        --      --       --         --    (272,164)     (43,513)
Transfer of remaining partners'                                                                                          
  capital to the corporation.......    (925,816)   4,000    73,303   4,000    4,000    848,513          --           -- 
                                     ----------    -----   -------   -----   ------    -------    --------    ---------
Balance, December 31, 1995.........          --    4,000    73,303   4,000    4,000    848,513    (272,164)     653,652 
Net loss...........................          --       --        --      --       --         --    (146,997)    (146,997)
                                     ----------    -----   -------   -----   ------    -------    --------    ---------
Balance, December 31, 1996.........  $       --    4,000   $73,303   4,000   $4,000    848,513    (419,161)     506,655 
                                     ==========    =====   =======   =====   ======    =======    ========    =========
</TABLE>

See accompanying notes to financial statements.

                                      F-23

<PAGE>

YATER MEDICAL GROUP, P.C.

Statements of Cash Flows
Years ended December 31, 1995 and 1996
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                            1995       1996
                                                                            ----       ----
<S>                                                                      <C>         <C>      
Cash flows from operating activities:
  Net loss.............................................................  $ (43,513)  (146,997)
  Adjustments to reconcile net loss to net cash
    provided by (used in) operating activities:
      Depreciation.....................................................     67,067     40,518
      Provision (benefit) for deferred income taxes....................    296,892    (92,625)
      Provision for bad debt expense...................................    409,141    501,474
      Changes in operating assets and liabilities:
        Accounts receivable............................................   (290,628)  (690,599)
        Prepaid expenses and other assets..............................     15,534      5,500
        Accounts payable...............................................      4,909    125,953
        Accrued expenses...............................................      2,846    220,167
                                                                         ---------   --------
Cash provided by (used in) operating activities........................    462,248    (36,609)
                                                                         ---------   --------
Cash flows used in investing activities--purchase of
  fixed assets.........................................................         --     (2,589)
                                                                         ---------   --------
Cash flows used in financing activities--distributions 
  to partners..........................................................   (808,892)        --
                                                                         ---------   --------
Net decrease in cash...................................................   (346,644)   (39,198)
Cash, beginning of year................................................    388,190     41,546
                                                                         ---------   --------
Cash, end of year......................................................  $  41,546      2,348
                                                                         =========   ========
Supplemental disclosure of noncash investing and financing activities:
  Conversion of the partnership into a corporation:
    Issuance of common stock for partnership interests.................  $   4,000         --
    Issuance of preferred stock for partnership interests..............     73,303         --
    Conversion of remaining partnership interests into additional
      paid-in capital..................................................    848,513         --
    Issuance of notes payable for withdrawing partner interests........     77,572         --
                                                                         =========   ========
</TABLE>

See accompanying notes to financial statements.

                                      F-24

<PAGE>

YATER MEDICAL GROUP, P.C.
NOTES TO FINANCIAL STATEMENTS
DECEMBER 31, 1995 AND 1996
- --------------------------------------------------------------------------------

(1)  DESCRIPTION OF BUSINESS

     YaterMedical  Group,  P.C.,  (the  Company) was  originally  organized as a
     general   partnership  in  the  District  of  Columbia.   The  Company  was
     reorganized into a professional  corporation effective October 1, 1995. The
     Company provides specialty physician services to its patients.

(2)  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

     Net Patient Service Revenue

     Net patient  service  revenue is reported at the estimated  net  realizable
     amounts  from  patients,   third-party  payors,  and  others  for  services
     rendered.   The  Company  has  numerous   agreements   under  managed  care
     arrangements  to  provide  physician   services  based  on  negotiated  fee
     schedules.  Services  under these  agreements  are recorded as revenue when
     provided.  No contracts with third-party  payors or individual managed care
     agreements are material to the Company.

     Furniture and Equipment

     Furniture and equipment is stated at cost. Expenditures for maintenance and
     repairs  which do not  materially  extend the useful lives of the equipment
     are expensed as incurred.

     Depreciation is provided on the  straight-line  basis over estimated useful
     lives generally ranging from three to ten years.

     Income Taxes

     Income taxes are  accounted  for in accordance  with  Financial  Accounting
     Standards  Board  Statement No. 109  (Statement  109).  Under the asset and
     liability method of Statement 109,  deferred tax assets and liabilities are
     determined based on differences  between financial  reporting and tax bases
     of assets and  liabilities and are measured using the enacted tax rates and
     laws that are  expected  to apply to  taxable  income in the years in which
     those temporary differences are expected to be recovered or settled.

     Use of Estimates

     The  preparation  of financial  statements  in  conformity  with  generally
     accepted  accounting  principles  requires management to make estimates and
     assumptions  that affect the reported amounts of assets and liabilities and
     disclosure  of  contingent  assets  and  liabilities  at  the  date  of the
     financial statements. Estimates also effect the reported amounts of revenue
     and expenses during the reporting period.  Actual results could differ from
     those estimates.

     Fair Value of Financial Instruments

     The carrying amounts of the Company's financial  instruments,  as reflected
     in the  accompanying  balance  sheet,  approximate  fair  value.  Financial
     instruments consist of cash, accounts receivable, accounts payable, accrued
     expenses and due to former partners.

(3)  ACCRUED EXPENSES

     Accrued expenses consists of the following:

     Salaries and benefits............................................  $113,205
     Billing fees.....................................................    99,872
     Professional fees................................................    67,388
     Property taxes...................................................    24,631
                                                                       ---------
                                                                        $305,096
                                                                        ========
                                      F-25
<PAGE>

(4)  COMMITMENTS

     The Company leases office space in three  locations  under leases  expiring
     through  January 1999.  Two of the leases have original terms of five years
     with annual rent increases as specified in the leases. The other lease is a
     renewable one-year lease with rent negotiated annually.

     Future minimum lease payments under these  noncancelable  operating leases,
     including equipment leases, are as follows:

          1997...................................................  $452,764
          1998...................................................   352,607
          1999...................................................    97,499
          2000...................................................     1,722
                                                                   --------
                                                                   $904,592
                                                                   ========

     Total rent expense under all operating leases,  including various equipment
     leases, was $392,935 and $392,400 for the years ended December 31, 1995 and
     1996, respectively.

(5)  INCOME TAX EXPENSE

     Income tax expense (benefit) for the years ended December 31, 1995 and 1996
     consists of the following:

                                                             1995         1996
                                                             ----         ----
     Deferred:
       Federal...........................................  $243,604     (80,348)
       State.............................................    53,288     (12,277)
                                                           --------     -------
     Total income tax expense (benefit)..................  $296,892     (92,625)
                                                           ========     =======

     Total income tax expense  (benefit)  differed  from the amount  computed by
     applying the U.S. federal income tax rate of 34 percent for the years ended
     December 31, 1995 and 1996 to earnings  before  income taxes as a result of
     the following:

                                                                1995      1996
                                                                ----      ----
     Computed "expected" tax expense......................... $  8,407  (81,471)
     Increase (decrease) in income taxes resulting from:
       State income taxes, net of federal income tax benefit.     (924) (11,784)
       Converting partnership to taxable corporation.........  288,683       --
     Other...................................................      726      630
                                                              --------  ------- 
     Total income tax expense (benefit)...................... $296,892  (92,625)
                                                              ========  ======= 

     The  significant  components of the deferred tax expense  (benefit) for the
     years ended December 31, 1995 and 1996 are as follows:

                                                                1995      1996
                                                                ----      ----
     Cash basis reporting for tax purposes................... $ 32,534  (68,402)
     Converting partnership to taxable corporation...........  288,683       --
     Net operating loss......................................  (24,325) (24,223)
                                                              --------  ------- 
     Total deferred income tax expense (benefit)............. $296,892  (92,625)
                                                              ========  ======= 

     The Company  converted from a partnership to a taxable  corporation  during
     1995.  Under  Statement  109, a deferred  tax asset or  liability  is to be
     recognized  for  temporary  differences  at  the  date  that  a  nontaxable
     enterprise  becomes a taxable  enterprise.  The effect of  recognizing  the
     deferred tax asset or liability is to be included in income from continuing
     operations.  The tax effects of temporary differences that give rise to the
     deferred tax liability are primarily related to this conversion.

                                      F-26
<PAGE>

     At December 31, 1996, the Company has net operating loss  carryforwards  of
     approximately $125,000 for federal income tax purposes which expire in 2010
     and 2011.

(6)  STOCKHOLDERS' EQUITY

     The Company was  reorganized  from a general  partnership to a professional
     corporation  effective October 1, 1995.  Partners' capital at September 30,
     1995,  including  net income of the  partnership  for the nine months ended
     September 30, 1995,  was  converted  into 4,000 shares of common stock (par
     value $1) and 4,000 shares of preferred stock (no par value). Two partners'
     withdrew from the  partnership at the conversion  date and are owed $77,572
     for the  balance  in their  partners'  capital  accounts.  The  balance  of
     partners' capital was credited to additional paid-in capital.

(7)  CONCENTRATION OF CREDIT RISK

     The Company grants credit without  collateral to all its patients,  most of
     whom  are  local  residents  and  are  insured  under   third-party   payor
     agreements.  A  breakdown  of the  percentage  of  gross  patient  accounts
     receivable by type of payor follows:

     Medicare.......................................................   20%
     Blue Cross Blue Shield (all plans).............................   17
     Self-pay.......................................................   18
     Other (none more than 10%).....................................   45
                                                                      ---
                                                                      100%
                                                                      ===

(8)  PROFESSIONAL AND GENERAL LIABILITY INSURANCE

     The Company maintains professional and general liability insurance to cover
     medical malpractice  claims.  Management is not aware of any claims against
     the Company which might have a material  impact on the Company's  financial
     position.

(9)  SUBSEQUENT EVENTS

     On January 17, 1997, the Company was sold under a stock purchase  agreement
     to an unrelated  party for  $400,000.  Immediately  prior to the sale,  the
     Company  redeemed  its  preferred  stock  for  approximately  $493,000.  On
     December 31, 1997, the new owner entered into a stock transfer  restriction
     agreement which gives control of the Company to Medi-Cen Management,  Inc.,
     an affiliate of the new owner.

                                      F-27

<PAGE>
 
NO  DEALER,  SALESPERSON  OR  OTHER  PERSON  HAS  BEEN  AUTHORIZED  TO GIVE  ANY
INFORMATION  OR TO MAKE ANY  REPRESENTATIONS  IN  CONNECTION  WITH THIS OFFERING
OTHER THAN THOSE  CONTAINED  IN THIS  PROSPECTUS,  AND,  IF GIVEN OR MADE,  SUCH
INFORMATION  AND  REPRESENTATIONS  MUST  NOT  BE  RELIED  UPON  AS  HAVING  BEEN
AUTHORIZED  BY THE  COMPANY  OR  THE  UNDERWRITERS.  THIS  PROSPECTUS  DOES  NOT
CONSTITUTE  AN  OFFER  TO  SELL  OR A  SOLICITATION  OF AN  OFFER  TO BUY TO ANY
SECURITIES BY ANY PERSON IN ANY JURISDICTION IN WHICH SUCH OFFER OR SOLICITATION
IS NOT  AUTHORIZED OR IN WHICH THE PERSON MAKING SUCH OFFER OR  SOLICITATION  IS
NOT  QUALIFIED  TO DO SO OR TO ANY  PERSON TO WHOM IT IS  UNLAWFUL  TO MAKE SUCH
OFFER OR SOLICITATION. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE
HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES,  CREATE ANY IMPLICATION THAT THERE HAS
BEEN NO CHANGE IN THE AFFAIRS OF THE  COMPANY  SINCE THE DATE HEREOF OR THAT THE
INFORMATION  CONTAINED  HEREIN IS CORRECT AS OF ANY TIME  SUBSEQUENT TO THE DATE
HEREOF.
 
              TABLE OF CONTENTS
 
                                                    PAGE
Prospectus Summary  ............................
Risk Factors  ..................................
Use of Proceeds  ...............................
Dilution  ......................................
Divided Policy  ................................
Capitalization  ................................
Selected Financial Data  .......................
Management's Discussion and Analysis of
  Financial Condition and Results of Operations
   .............................................
Business  ......................................
Management  ....................................
Principal Stockholders  ........................
Certain Transactions  ..........................
Description of Securities  .....................
Shares Eligible for Future Sale  ...............
Underwriting  ..................................
Legal Matters  .................................
Experts  .......................................
Additional Information  ........................
Index to Financial Statements  .................   F-1
 
UNTIL _________,  1998 (25 DAYS AFTER THE DATE OF THIS PROSPECTUS),  ALL DEALERS
EFFECTING  TRANSACTIONS IN THE SHARES OF COMMON STOCK OFFERED HEREBY, WHETHER OR
NOT PARTICIPATING IN THIS DISTRIBUTION, MAY BE REQUIRED TO DELIVER A PROSPECTUS.
THIS IS IN ADDITION TO THE  OBLIGATION  OF DEALERS TO DELIVER A PROSPECTUS  WHEN
ACTING  AS  UNDERWRITERS  AND  WITH  RESPECT  TO  THEIR  UNSOLD   ALLOTMENTS  OR
SUBSCRIPTIONS.
 
                                2,000,000 SHARES
 
                                    MEDI-CEN
                                MANAGEMENT, INC.
 
                                  COMMON STOCK 

                                   PROSPECTUS

                               FERRIS, BAKER WATTS
                                  INCORPORATED
                                         , 1998


<PAGE>
                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 24. INDEMNIFICATION OF DIRECTORS AND OFFICERS

     Under  Maryland  law,  the Company is  permitted  to  indemnify  directors,
officers,  employees  and  agents  made a party to any  proceeding  by reason of
service in that capacity unless it is established  that: (1) the act or omission
of the party was material to the matter  giving rise to the  proceeding  and (i)
was  committed  in bad faith,  or (ii) was the  result of active and  deliberate
dishonesty;  or (2) the party actually  received an improper personal benefit in
money, property or services; or (3) in the case of any criminal proceeding,  the
party had  reasonable  cause to believe that the act or omission  was  unlawful.
This  provision  offers  persons  who  serve on the  Board of  Directors  of the
Registrant protection against awards of monetary damages resulting from breaches
of  their  duty of  care  (except  as  indicated  above).  As a  result  of this
provision,   the  ability  of  the  Registrant  or  a  stockholder   thereof  to
successfully  prosecute  an action  against a director for breach of his duty of
care is limited.  However,  the provision  does not affect the  availability  of
equitable  remedies such as an injunction or rescission  based upon a director's
breach of his duty of care. The Securities and Exchange Commission has taken the
position  that this provision  will have no effect on claims  arising  under the
Federal securities laws.

ITEM 25. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

     Set forth below is an  estimate of the fees and  expenses to be incurred in
connection  with the  issuance  and  distribution  of the shares of Common Stock
offered hereby.

Securities and Exchange Commission Registration Fee........  $   6,970
NASD Filing Fee............................................  $   2,800
NASDAQ Listing Fee.........................................  $       *
Blue Sky Fees and Expenses.................................  $       *
Legal Fees and Expenses....................................  $       *
Accounting Fees............................................  $       *
Printing and Engraving Costs...............................  $       *
Transfer Agent Fees........................................  $       *
Miscellaneous Expenses.....................................  $       *
     Total                                                   $       *

* To be included by amendment

                                      II-1


<PAGE>


ITEM 26. RECENT SALES OF UNREGISTERED SECURITIES

     The following table sets forth all sales of unregistered  securities by the
Registrant within the past three years.
<TABLE>
<CAPTION>

     NATURE OF                                                          AGGREGATE    
  TRANSACTION AND         CLASS OF                                      OFFERING      PRICE PER
       DATE              PURCHASERS          SECURITIES SOLD             PRICE          SHARE
<S>                    <C>                   <C>                         <C>           <C>     
9/27/94                Michael Carlos        1,652,800 shares            $40.00           --
Initial                Buarque de Macedo                                                
Capitalization                                                                          
9/27/94                P. Steven & Illene    1,652,800 shares            $40.00           --
Initial                S. Macedo TBE                                                    
Capitalization                                                                          
9/27/94                Blaine T. Kuser       123,960 shares              $3.00            --
Initial                                                                                 
Capitalization                                                                          
6/08/95                Diane Mejia           20,660 shares               $.50             --
7/10/95                Tracy L. Ziadeh       20,660 shares               $.50             --
8/5/96                 Harrison Jett         Option for 33,056 shares    Services         N/A
10/24/96               William Lester        Option for 24,792 shares    Services         N/A
12/01/96               Kass Consulting,      Option for 123,960          Services         N/A
                       LLC                   shares                                     
12/20/96               Harrison G. Jett      8,979 shares                Services         N/A
Treasury Stock                                                                          
12/20/96               Alan J.               4,132 shares                Services         N/A
Treasury Stock         Silverstone                                                      
                       & Kylanne G.                                                     
                       Silverston, JTWROS                                               
12/20/96               William Lester        1,033 shares                Services         N/A
12/20/96               Bruce A. Kehr,        Option for 413,200          Services         N/A
                       M.D.                  shares                                     
12/20/96               Gregory A. Winston    Option for 20,660 shares    Services         N/A
12/20/96               Rosen & Hoover,       Option for 20,660 shares    Services         N/A
                       LLC                                                              
12/20/96               Jerry W. Clever       Option for 24,792 shares    Services         N/A
4/09/97                Harrison G. Jett      5,603 shares                Services         N/A
Treasury Stock                                                                          
4/09/97                Francis Cronin        Option for 33,056 shares    Services         N/A
4/09/97                Francis Cronin        Option for 14,834 shares    Services         N/A
8/14/97                Lansing Holman        Option for 1,653 shares     Services         N/A
8/13/97                Harrison G. Jett      5,603 shares                Services         N/A
Treasury Stock                                                                          
8/13/97                Rosen, Sapperstein    7,157 shares                Services         N/A
Treasury Stock         & Friedlander,                                                   
                       Chartered                                                        
12/30/97               Scott E. Sheridan     8,677 shares                Services         N/A
Treasury Stock                                                                          
12/31/97               Joshua Korsower       Option for 5,785 shares     Services         N/A
</TABLE>
                           
     The  Company  relied on  Section  4(2) of the  Securities  Act and Rule 701
promulgated  thereunder for each issuance. No underwriters were involved nor any
commissions paid in connection with any of the above transactions.

                                      II-2

<PAGE>


ITEM 27. EXHIBITS

EXHIBIT
  NO.                             DESCRIPTION
 
1.1*    Form of Underwriting Agreement
3.1     Articles of Incorporation, as amended
3.2     Amended and Restated By-Laws
4.1*    Specimen Common Stock Certificate
5*      Opinion of Gibbons, Del Deo, Dolan, Griffinger & Vecchione
10.1    Form of 1998 Stock Option Plan
10.2    CMO Franchise  Agreement dated June 3, 1995 between  Medi-Cen,  Corp. of
        America, Inc. and Medi-Cen, Corp. of Maryland, Inc.
10.3    CMO Franchise  Agreement dated June 3, 1995 between  Medi-Cen,  Corp. of
        America, Inc. and Medi-Cen, Corp. of Virginia, Inc.
10.4    Management  Agreement  dated  January 1, 1998  between  the  Company and
        Washington Neurology Associates, L.L.P.
10.5    Management Agreement dated January 1, 1998 between the Company and Yater
        Medical Group, P.C.
10.6    Stock Transfer Restriction Agreement dated December 31, 1997 among Yater
        Medical Group, P.C., P. Steven  Macedo,  M.D., Ilene S. Macedo, M.D. and
        the Company, as amended
10.7    Partnership Interest Transfer  Restriction  Agreement dated December 31,
        1997 among Washington  Neurology  Associates,  L.L.P., P. Steven Macedo,
        M.D., Ilene S. Macedo, M.D. and the Company
10.8    Employment Agreement dated March 11, 1998 between the Company and Steven
        Macedo, M.D.
10.9    Employment  Agreement  dated  March 11,  1998  between  the  Company and
        Michael Macedo
10.10   Employment  Agreement dated January 1, 1998 between Yater Medical Group,
        P.C. and Steven Macedo, M.D.
10.11   Consulting Agreement dated January 20, 1997 between Yater Medical Group,
        P.C. and Michael Macedo
10.12   Employment  Agreement  dated  March 11,  1998  between  the  Company and
        Francis J. Cronin
10.13   Letter   Agreements   among  Medi-Cen,   Corp.  of  Maryland,   Medi-Cen
        Management, Inc. and Yater Medical Group, P.C.
10.14   Executive  Officer  Agreement  dated  August  5, 1996  between  Medi-Cen
        Management, Inc. and Harrison Jett, as amended
10.15   Consultant  Contract dated April 19, 1997 between  Medi-Cen  Management,
        Inc. and Frank Cronin, as amended
10.16   Billing Agent Agreement (Medicare/Medicaid) between Medi-Cen Management,
        Inc. and Washington Neurology Associates, L.L.P.
10.17   Vice-President  of  Provider  Relations  Contract,  dated April 30, 1996
        between the Company and Bruce Kehr
10.18   Stock  Purchase  Agreement  dated March 11, 1998 between  Yater  Medical
        Group, P.C. and Michael Macedo
10.19   Stock  Purchase  Agreement  dated March 11, 1998 between  Yater  Medical
        Group, P.C. and P. Steven Macedo
10.20   Billing Agent Agreement (Medicare/Medicaid) between Medi-Cen Management,
        Inc. and Yater Medical Group, P.C.
24.1*   Consent of Gibbons, Del Deo, Dolan,  Griffinger & Vecchione (included in
        Exhibit 5)
24.2    Consent of KPMG Peat Marwick LLP
24.3*   Consent of James Cornelson
24.4*   Consent of William Lester

* To be filed by amendment

                                      II-3

<PAGE>

ITEM 28. UNDERTAKINGS

     Insofar as indemnification for liabilities arising under the Securities Act
may  be  permitted  to  directors,  officers  and  controlling  persons  of  the
Registrant  pursuant to Item 24 hereof,  or otherwise,  the  Registrant has been
advised that in the opinion of the Commission  such  indemnification  is against
public  policy  as  expressed  in  the   Securities   Act  and  is,   therefore,
unenforceable.  In the  event  that a claim  for  indemnification  against  such
liabilities  (other than the payment by the  Registrant of expenses  incurred or
paid by a  director,  officer or  controlling  person of the  Registrant  in the
successful  defense of any  action,  suit or  proceeding)  is  asserted  by such
director,  officer or controlling person in connection with the securities being
registered, Registrant will, unless in the opinion of its counsel the matter has
been  settled  by  controlling  precedent,  submit  to a  court  of  appropriate
jurisdiction  the  question  of whether  such  indemnification  by it is against
public  policy as  expressed in the  Securities  Act and will be governed by the
final adjudication of such issue.

     The undersigned  Registrant  further  undertakes  that: (i) For purposes of
determining any liability under the Securities Act, the information omitted from
the form of Prospectus filed as part of this Registration  Statement in reliance
upon Rule 430A and  contained in a form of  Prospectus  filed by the  Registrant
pursuant to Rule  424(b)(1) or (4) or 497(h) under the  Securities  Act shall be
deemed to be part of this Registration  Statement as of the time it was declared
effective;  (ii)  For  the  purpose  of  determining  any  liability  under  the
Securities Act, each post-effective amendment that contains a form of Prospectus
shall be deemed to be a new  Registration  Statement  relating to the securities
offered therein, and the offering of such securities at the time shall be deemed
to be the initial bona fide offering thereof.

                                      II-4

<PAGE>

                        SIGNATURES AND POWER OF ATTORNEY

     Pursuant to the requirements of the Securities Act, the Registrant has duly
caused  this  Registration   Statement  to  be  signed  on  its  behalf  by  the
undersigned, thereunto duly authorized, in the City of Washington, D.C., on
          , 1998.

                                        MEDI-CEN MANAGEMENT, INC.

                                     By:_________________________
                                        Michael Macedo
                                        Chief Executive Officer

Pursuant to the requirements of the Securities Act, this Registration  Statement
has been  signed by the  following  persons in the  capacities  and on the dates
indicated.  Each person whose  signature  appears below hereby  constitutes  and
appoints  P.  Steven  Macedo  and  Michael  Macedo,  or either of them,  as such
person's  true  and  lawful  attorney-in-fact  and  agent  with  full  power  of
substitution  for such person and in such person's name, place and stead, in any
and  all  capacities,  to sign  and to file  with  the  Commission,  any and all
amendments and post-effective  amendments to this Registration  Statement,  with
exhibits thereto and other documents in connection therewith, granting unto said
attorney-in-fact  and agent full power and  authority to do and perform each and
every  act and  thing  requisite  and  necessary  to be done  in and  about  the
premises,  as fully to all intents and purposes as such person might or could do
in person,  hereby ratifying and confirming all that said  attorney-in-fact  and
agent, or any substitute therefor, may lawfully do or cause to be done by virtue
thereof.

           NAME                         TITLE               DATE

_____________________________   Chairman of the Board      , 1998
     P. Steven Macedo

_____________________________   Chief Executive Officer    , 1998
      Michael Macedo            and Director (Principal
                                Executive Officer)

_____________________________   Principal Financial and    , 1998
     Harrison G. Jett           Accounting Officer and
                                Director

_____________________________   Director                   , 1998
     James Cornelson

_____________________________   Director                   , 1998
      William Lester

                                      II-5

<PAGE>

                          INDEPENDENT AUDITORS' REPORT


The Board of Directors and Stockholders
Medi-Cen Management Inc. and Affiliates:

Under date of February 13,  1998,  except as to note 13, which is as of _______,
1998, we reported on the  consolidated  balance  sheets of Medi-Cen  Management,
Inc.  and  Affiliates  as of  December  31,  1996  and  1997,  and  the  related
consolidated statements of operations,  stockholders' equity, and cash flows for
each of the years in the three-year  period ended  December 31, 1997,  which are
included in the Prospectus.  In connection with our audits of the aforementioned
consolidated  financial  statements,  we also  audited the related  consolidated
financial statement schedules in the registration statement.  These consolidated
financial   statement   schedules  are  the   responsibility  of  the  Company's
management.  Our  responsibility is to express an opinion on these  consolidated
financial statement schedules based on our audits.

In our opinion, such consolidated financial statement schedules, when considered
in relation to the basic  consolidated  financial  statements  taken as a whole,
present fairly, in all material respects, the information set forth therein.

                                                       

Mclean, Virginia
February 13, 1998 except as to note 13,
  which is as of __________, 1998

                                      II-6

 
<PAGE>

MEDI-CEN MANAGEMENT, INC. AND AFFILIATES

Valuation and Qualifying Accounts

Years ended December 31, 1995, 1996, and 1997

                                    ADD BALANCE
                        BALANCE AT    FOR YATER  ADDITIONS            BALANCE AT
                         BEGINNING   AT DATE OF  CHARGED TO             END OF
                         OF PERIOD  ACQUISITION   EXPENSE   WRITE-OFFS  PERIOD
                         ---------  -----------   -------   ----------  ------
December 31, 1995
  Accounts receivable 
  allowances.....       $  49,509           --   133,094    (78,766)   103,837
December 31, 1996
  Accounts receivable 
  allowances.....       $ 103,837           --    86,786    (61,310)   129,313
December 31, 1997
  Accounts receivable 
  allowances.....       $ 129,313      330,757   912,799   (657,401)   715,468



                                     II-7



                                                                

                                                          03-25-94 at 12:39 p.m.

          ARTICLES OF INCORPORATION OF HEALTH QUALITY MANAGEMENT, INC.

      The undersigned, being a natural person and acting as Incorporator, does
hereby adopt the following Articles of Incorporation for the purpose of forming
a business close corporation in the State of Maryland, pursuant to the
provisions of the Maryland General Corporation Law.

      FIRST: (1) The name of the incorporator is Michael C. Macedo.

      (2) The said incorporator's address, including the street and number, if
any, including the county or municipal area, and including the state or country,
is 6756 Kenwood Forest, Chevy Chase, county of Montgomery, of the state of
Maryland, USA.

      (3) The said incorporator is at least eighteen years of age.

      (4) The said incorporator is forming the close corporation named in these
Articles of Incorporation under the general laws of the State of Maryland, to
wit, the Maryland General Corporation Law.

      SECOND: The name of the corporation (hereinafter called the "corporation")
is HEALTH QUALITY MANAGEMENT, INC.

      THIRD: The corporation is formed for the following purpose or purposes:

      To provide quality control management and billing services and other
services for medical doctors, medical offices and medical management firms.

      To purchase, receive, take by grant, gift, devise, bequest or otherwise,
lease, or otherwise acquire, own, hold, improve, employ, use, and otherwise
deal in and with real or personal property, or any interest therein, wherever
situated, and to sell, convey, lease, exchange, transfer, or otherwise dispose
of, or mortgage or pledge, all or any of its property and assets, or any
interest therein, wherever situated.

      To carry on a general mercantile, industrial, investing, and trading
business in all its branches; to devise, invent, manufacture, fabricate,
assemble, install, service, maintain, alter, buy, sell, import, export, license
as licensor or licensee, lease as lessor or lessee, distribute, job, enter into,
negotiate, execute, acquire, and assign contracts in respect of, acquire,
receive, grant, and assign licensing arrangements, options, franchises, and
other rights in respect of, and generally deal in and with, at wholesale and
retail, as principal, and as sales, business, special, or general agent,
representative, broker, factor, merchant, distributor, jobber, advisor, and in
any other lawful capacity, goods, wares, merchandise, commodities, and
unimproved, improved, finished, processed, and other real, personal, and mixed
property of any and all kinds, together with the components, resultants, and
by-products thereof.

      To engage generally in the real estate business as principal, agent,
broker, and in any lawful capacity, and generally to take, lease, purchase, or
otherwise acquire, and to own, use, hold, sell, convey, exchange, lease, manage,
operate, deal in, and dispose of real estate, real property, lands,
multiple-dwelling structures, houses, buildings, and other works and any
interest or right therein; to take, lease, purchase, or otherwise acquire, and
to own, use hold, sell, convey, exchange, hire, lease, pledge, mortgage, and in
any lawful capacity, such personal property, chattels, chattels real, rights,
easements, privileges, notes, bonds, mortgages and securities as may lawfully be
acquired, held, or disposed of; and to acquire, purchase, sell, assign,
transfer, dispose of, and generally deal in and with, as principal, agent,
broker, and in any lawful capacity, mortgages and other interests in real,
personal, and mixed properties; to carry on a general
<PAGE>

construction, contracting, building, and realty management business as
principal, agent, representative, contractor, subcontractor, and in any other
lawful capacity.

      To apply for, register, obtain, purchase, lease, take licenses in respect
of, or otherwise acquire, and to hold, own, use, operate, develop, enjoy, turn
to account, grant licenses and immunities in respect of, manufacture under and
to introduce, sell, assign, mortgage, pledge, or otherwise dispose of, and, in
any manner deal with and contract with reference to:

            (a) inventions, devices, formulae, processes, and any improvements
            and modifications thereof;

            (b) letters patent, patent rights, patented processes, copyrights,
            designs, and similar rights, trade-marks, trade symbols and other
            indications or origin and ownership granted by or recognized under
            the laws of the United States of America or of any state or
            subdivision thereof, and all rights connected therewith or
            appertaining thereunto;

            (c) franchises, licenses, grants, and concessions.

      To have all of the powers conferred upon corporations organized under the
provisions of the Maryland General Corporation Law.

      FOURTH: The address, including street and number, if any, and the county
or municipal area, of the principal office of the corporation within the State
of Maryland, is 5530 Wisconsin Ave., Suite 1045, Chevy Chase, county of
Montgomery, of the state of Maryland, USA. 20815

      FIFTH: The name and the address, including street and number, if any, and
the county or municipal area, of the resident agent of the corporation with the
State of Maryland, is David S. Feldmann, 17 West Jefferson Street, Rockville,
Maryland, 20850.

      SIXTH: (1) The total number of shares of stock which the corporation has
authority to issue is one hundred (100), all of which have a par value of $.01
per share and are all designated as Common Stock.

      (2) The Board of Directors of the corporation is authorized, from time to
time, to issue any additional stock or convertible securities of the corporation
without the approval of the holders of outstanding stock.

      (3) The Board of Directors of the corporation is authorized, from time to
time, to classify or to reclassify, as the case may be, any unissued shares of
stock of the corporation or in any agreement or agreements duly entered into.

      (4) Provisions, if any, governing the restriction on the transferability
of any of the shares of stock of the corporation may be set forth in the Bylaws
of the corporation or in any agreement or agreements duly entered into.

      (5) To the extent permitted by Section 2-104(b) (5) of Maryland General
Corporation Law, notwithstanding any provision of the Maryland General
Corporation Law requiring a greater proportion than a majority of the votes
entitled to be cast in order to take or authorize any action, any such action
may be taken or authorized upon the concurrence of at least a majority of the
aggregate number of votes entitled to be cast thereon.

      No holder of any of the shares of any class of the corporation shall be
entitled as of right to subscribe for, purchase, or otherwise acquire any shares
of any class of the corporation which the corporation proposes


                                        2
<PAGE>

to grant for the purchase of shares of any class of the corporation or for the
purchase of any shares, bonds, securities, or obligations of the corporation
which are convertible into or exchangeable for, or which carry any rights, to
subscribe for, purchase, or otherwise acquire shares of any class of the
corporation; and any and all of such shares, bonds, securities, or obligations
of the corporation, whether now or hereafter authorized or created, may be
issued, or may be reissued or transferred if the same have been reacquired and
have treasury status, and any and all of such rights and options may be granted
by the Board of Directors to such persons, firms, corporations, and
associations, and for such lawful consideration, and on such terms, as the Board
of Directors in its discretion may determine, without first offering the same,
or any thereof, to any said holder.

      SEVENTH: (1) The number of directors of the corporation, one at the first
meeting, and as specified in the Bylaws thereafter.

      (2) The names of the persons who will serve as directors of the
corporation until the first annual meeting of stockholders and until their
successors are elected and qualify are as follows: P. Steven Macado.

      (3) The initial Bylaws of the corporation shall be adopted by the initial
directors. Thereafter, the power to adopt, alter, and repeal of the Bylaws of
the corporation shall be vested in the Board of Directors of the corporation.

      (4) The corporation shall, to the fullest extent permitted by the Maryland
General Corporation Law, as the same may be amended and supplemented, and,
without limiting the generality of the foregoing, in accordance with Section
2-418 of said Maryland General Corporation Law, indemnify any and all persons
whom it shall have power to indemnify under said law from and against any and
all of the expenses, liabilities or other matters referred to in or covered by
said Maryland General Corporation Law.

      EIGHTH: From time to time any of the provisions of these Articles of
Incorporation may be amended, altered or repealed, and other provisions
authorized by the Maryland General Corporation Law at the time in force may be
added or inserted in the manner and at the time prescribed by said laws, and any
contract rights at any time conferred upon the stockholders of the corporation
by these Articles of Incorporation are granted subject to the provisions of this
Article.

      IN WITNESS WHEREOF, I have adopted and signed these Articles of
Incorporation and do hereby acknowledge that the adoption and signing are my
act.


Dated:  March 23, 1994.        /s/ Michael C. Macedo
                               ------------------------------------
                                         Michael C. Macedo


                                        3
<PAGE>

                              ARTICLES OF AMENDMENT
                                       OF
                         HEALTH QUALITY MANAGEMENT, INC.

      HEALTH QUALITY MANAGEMENT, INC., of Montgomery County, Maryland, a
Maryland corporation, hereby certifies to the State Department of Assessments
and Taxation of Maryland that:

      The charter of the corporation is hereby amended, as follows:

      By striking out paragraph (1) of the SIXTH clause, which reads:

      (1) THE TOTAL NUMBER OF SHARES OF STOCK WHICH THE CORPORATION HAS
AUTHORITY TO ISSUE IS ONE HUNDRED (100), ALL OF WHICH HAVE A PAR VALUE OF $0.01
PER SHARE AND ARE ALL DESIGNATED AS COMMON STOCK.

      and inserting in lieu thereof:

      (1) THE TOTAL NUMBER OF SHARES OF STOCK WHICH THE CORPORATION HAS
AUTHORITY TO ISSUE IS ONE MILLION (1,000,000), ALL OF WHICH HAVE A PAR VALUE OF
$0.01 PER SHARE AND ARE ALL DESIGNATED AS COMMON STOCK.

      This amendment of the charter of the corporation has been approved by the
directors and shareholders of the corporation.

      We, the undersigned President and Secretary of HEALTH QUALITY MANAGEMENT,
INC., attest under penalties of perjury that the foregoing is a corporate act.


/s/ P. Steven Macedo, Pres.                     7/19/95
- --------------------------------                -------
P. Steven Macedo, President                     Date

/s/ Michael Macedo, Sec                         7/19/95
- --------------------------------                -------
Michael Macedo, Secretary                       Date
<PAGE>

                              ARTICLES OF AMENDMENT
                                       OF
                         HEALTH QUALITY MANAGEMENT, INC.

      HEALTH QUALITY MANAGEMENT, INC., of Montgomery County, Maryland, a
Maryland corporation, hereby certifies to the State Department of Assessments
and Taxation of Maryland that:

      The charter of the corporation is hereby amended, as follows:

      By striking out paragraph (4) of the SEVENTH clause and inserting in lieu
thereof:

      (4) THE CORPORATION SHALL, TO THE FULLEST EXTENT PERMITTED BY THE MARYLAND
GENERAL CORPORATION LAW, AS THE SAME MAY BE AMENDED AND SUPPLEMENTED, AND,
WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, IN ACCORDANCE WITH SECTIONS
2-405.1, 2-405.2 AND 2-418 OF SAID MARYLAND GENERAL CORPORATION LAW, INDEMNIFY
ANY AND ALL PERSONS WHOM IT SHALL HAVE POWER TO INDEMNIFY UNDER SAID LAW FROM
AND AGAINST ANY AND ALL OF THE EXPENSES, LIABILITIES OR OTHER MATTERS REFERRED
TO IN OR COVERED BY SAID MARYLAND GENERAL CORPORATION LAW.

      This amendment of the charter of the corporation has been approved by the
directors and shareholders of the corporation.

      We, the undersigned President and Secretary of HEALTH QUALITY MANAGEMENT,
INC., attest under penalties of perjury that the foregoing is a corporate act


/s/ P. Steven Macedo, President                 9/18/95
- --------------------------------                -------
P. Steven Macedo, President                     Date

/s/ Michael Macedo, Sec                         9/18/95
- --------------------------------                -------
Michael Macedo, Secretary                       Date
<PAGE>

                                                     RECEIVED

                                                  97 Jun 17 A8:56

                                                   ASSESS & TAX

                              ARTICLES OF AMENDMENT
                                       OF
                         HEALTH QUALITY MANAGEMENT, INC

      HEALTH QUALITY MANAGEMENT, INC., of Montgomery County, Maryland, a
Maryland corporation, hereby certifies to the State Department of Assessments
and Taxation of Maryland that:

      The charter of the corporation is hereby amended as follows:

      By striking out the SECOND clause and inserting in lieu thereof:

      SECOND: The name of the corporation (hereinafter called the "corporation")
is MEDI-CEN MANAGEMENT, INC.

      This amendment of the charter of the corporation has been advised by the
board of directors of the corporation and approved by the shareholders of the
corporation.

      We, the undersigned Vice President of Provider Relations and Secretary of
the corporation, attest under penalties of perjury that the foregoing is a
corporate act.


/s/ Bruce A. Kehr MD for HQM                                  6/10/97
- --------------------------------------------------            -------
Bruce A. Kehr Vice President of Provider Relations            Date


/s/ P. Steven Macedo Sec                                      6/10/97
- --------------------------------------------------            -------
P. Steven Macedo, Secretary                                   Date


                                        3
<PAGE>

================================================================================

                                STATE OF MARYLAND
                                                                          543671

                               STATE DEPARTMENT OF
                            ASSESSMENTS AND TAXATION
                301 West Preston Street Baltimore, Maryland 21201


                                                             DATE: JUNE 17, 1997


      THIS IS TO ADVISE YOU THAT THE ARTICLES OF AMENDMENT WITH A NAME CHANGE
FOR HEALTH QUALITY MANAGEMENT, INC. CHANGING TO MEDI-CEN MANAGEMENT, INC. WERE
RECEIVED AND APPROVED FOR RECORD ON JUNE 17, 1997 AT 8:56 AM.


FEE PAID:                        50.00

[SEAL]

                                                          JOSEPH V. STEWART
                                                          CHARTER SPECIALIST

AT5-031

================================================================================
<PAGE>

                    Bylaws of Health Quality Management, Inc.

                                    ARTICLE I

                                  STOCKHOLDERS

1. CERTIFICATES REPRESENTING STOCK. Certificates representing shares of stock
for HEALTH QUALITY MANAGEMENT, INC (the "corporation") shall set forth thereon
the statement prescribed by Sections 2-207 and 2-211 of the Maryland General
Corporation Law and by any other applicable provision of law and shall be signed
by the President or the Chairman of the Board, if any, or a Vice-President and
countersigned by the Secretary or an Assistant Secretary or the Treasurer or an
Assistant Treasurer and may be sealed with the corporate seal or facsimile of it
or in any other form. The signatures of any such officers may be either manual
or facsimile signatures. In case any such officer who has signed manually or by
facsimile any such certificate ceases to be such officer before the certificate
is issued, it may nevertheless be issued by the corporation with the same effect
as if the officer had not ceased to be such officer as of date of its issue.

No certificate representing shares of stock shall be issued for any share of
stock until such share is fully paid, except as otherwise authorized by the
provisions of Section 2-210 of the Maryland General Corporation Law.

The corporation may issue a new certificate of stock in place of any certificate
theretofore issued by it, alleged to have been lost, stolen, or destroyed, and
the Board of Directors may in its discretion, require the owner of any such
certificate to give bond, with sufficient surety, to the corporation to
indemnify it against any loss or claim that may arise by reason of the issuance
of a new certificate.

Upon compliance with the provisions of Section 2-514 of the Maryland General
Corporation Law, the Board of Directors of the corporation may adopt by
resolution a procedure by which a stockholder of the corporation may certify in
writing to the corporation that any shares registered in the name of the
stockholder are held for the account of a specified person other than the
stockholder.

2. FRACTIONAL SHARE INTEREST OR SCRIP. The corporation shall be obliged to issue
fractional shares of stock.


                                       1
<PAGE>

3. SHARE TRANSFERS. Upon compliance with provisions restricting the
transferability of shares of stock, if any, transfers of shares of stock of the
corporation shall be made only on the stock transfer books of the corporation by
the record holder thereof, or by his attorney thereunto authorized by power of
attorney duly executed and filed with the Secretary of the corporation or with a
transfer agent or a registrar, if any, and on surrender of the certificate or
certificates for such shares of stock properly endorsed and the payment of all
taxes due thereon, if any.

4. RECORD DATE FOR STOCKHOLDERS. The Board of Directors may set a record date or
direct that the stock transfer books be closed for a stated period for the
purpose of making any proper determination with respect to stockholders,
including which stockholders are entitled to notice of a meeting, to vote at a
meeting, to receive a dividend, or to be allotted other rights; provided, that,
except as may be otherwise provided herein, any such record date shall be not
more than ninety days before the date on which the action requiring the
determination will be taken, that any such closing of the transfer of books may
not be for a period longer than twenty days, and that, in the case of a meeting
of stockholders, any such record date or any such closing of the transfer books
shall be at least ten days before the date of the meeting. If a record date is
not set, and, if the stock transfer books are not closed, the record date for
determining stockholders entitled to notice of or to vote at a meeting of
stockholders shall be the later of either the close of business on the day on
which notice of the meeting is mailed or the thirtieth day before the meeting,
and the record date for determining stockholders entitled to receive payment of
a dividend or an allotment of any rights shall be the close of business on the
day on which the resolution of the Board of Directors declaring the dividend or
allotment of rights is adopted, but any such payment of a dividend or allotment
of rights shall not be made more than sixty days after the date on which the
resolution is adopted, and a meeting of stockholders convened on the date for
which it was called may be adjourned from time to time without further notice to
a date not more than one hundred and twenty days after the original record date.

5. MEANING OF CERTAIN TERMS. As used herein in respect of the right to notice of
a meeting of stockholders or a waiver thereof or to participate or vote thereat
or to consent or dissent in writing in lieu of a meeting, as the case may be,
the term "share of stock" or "shares of stock" or "stockholder" or
"stockholders" refers to an outstanding record of outstanding shares of stock
when the corporation is authorized to issue only one class of shares of stock,
and said reference is also intended to include any outstanding share or shares
of stock and any holder or holders of record of outstanding shares of stock of
any class or series upon which or upon whom the Articles of Incorporation confer
such rights where there are two or more classes or series of shares or upon
which or upon whom the provisions of the Maryland


                                        2
<PAGE>

General Corporation Law may confer such Rights or the right of dissent
notwithstanding that the Articles of Incorporation may provide for more than
one class or series of shares of stock, one or more of which are limited or
denied such rights thereunder.

6 STOCKHOLDER MEETINGS.

A. TIME. The annual meeting of stockholders shall be held on the date fixed,
from time to time, by the directors, within the thirty-one day period commencing
with the 1st day of March, for the election of directors and the transaction of
any business within the powers of the corporation. The first annual meeting
shall be at the time specified by the Chairman of the Board of Directors any
time within the first year of operation of the corporation. A special meeting
shall be held on the date fixed by the directors.

B. PLACE. Annual meetings and special meetings shall be held at such place,
either within the State of Maryland or at such other place within the United
States, as the directors may, from time to time, set. Whenever the directors
shall fail to set such place, or, whenever stockholders entitled to call a
special meeting shall call the same, and a place of meeting is not set, the
meeting shall be held at a local hotel in the Washington Metropolitan area to be
determined by the President.

C. CALL. Annual meetings may be called by the directors or the President or by
any officer instructed by the directors or the President to call the meeting.
Except as may be otherwise provided by the provisions of the Maryland General
Corporation Law, special meetings may be called in like manner and shall be
called by the Secretary whenever the holders of shares entitled to at least
eight per cent of all the votes entitled to be cast at such meeting shall make a
duly authorized request that such meeting be called.

D. NOTICE OR ACTUAL CONSTRUCTIVE WAIVER OF NOTICE. Written notice of all
meetings shall be given by the Secretary and shall state the time and place of
the meeting. The notice of an annual meeting shall state that the meeting is
called for the election of directors and for the transaction of other business
which may properly come before the meeting and shall (if any other action which
could be taken at a special meeting is to be taken at such annual meeting)
contain any additional statements required in a notice of a special meeting and
shall include a copy of any requisite statements or provision prescribed by the
provisions of the Maryland General Corporation Law; provided, however, that any
business of the corporation may be transacted at any annual meeting without
being specially noticed unless the provisions of the Maryland General
Corporation


                                        3
<PAGE>

Law provided otherwise. The notice of a special meeting shall in all instances
state the purpose or purposes for which the meeting is called and shall include
a copy of any requisite statements or provisions prescribed by the provisions of
the Maryland General Corporation Law. Written notice of any meeting shall be
given to each stockholder either by mail or personally delivered to him or by
leaving it at his residence or usual place of business not less than ten days
and not more than ninety days before the date of the meeting, unless any
provisions of the Maryland General Corporation Law shall prescribe a different
elapsed period of time, to each stockholder at his address appearing on the
books of the corporation or the address supplied by him for the purpose of
notice. If mailed, notice shall be deemed to be given when deposited in the
United States mail addressed to the stockholder at his address as it appears on
the records of the corporation with postage thereon prepaid. Whenever any notice
of the time, place or purpose of any meeting of stockholders is required to be
given under the provision of the Articles of Incorporation, these Bylaws or of
the provisions of the Maryland General Corporation Law, a waiver thereof in
writing, signed by the stockholder and filed with the records of the meeting,
whether before or after the holding thereof, or his presence in person or by
proxy at the meeting shall be deemed equivalent to the giving of such notice to
such stockholder. The foregoing requirements of notice shall also apply,
whenever the corporation shall have any class of stock which is not entitled to
vote, to holders of stock who are not entitled to vote at the meeting, but who
are entitled to notice thereof and to dissent from any action taken thereat.

E. STATEMENT OF AFFAIRS. The President of the corporation, or, if the Board of
Directors shall determine otherwise, some other executive officer thereof, shall
prepare or cause to be prepared annually a full and correct statement of the
affairs of the corporation, including a balance sheet and a financial statement
of operations for the preceding fiscal year, which shall be submitted at the
Annual Meeting and placed on file within twenty days thereafter at the principal
office of the corporation in the State of Maryland.

F. CONDUCT OF MEETINGS. Meetings of the stockholders shall be presided over by
one of the following officers In the order of seniority and if present and
acting - the Chairman of the Board, the Vice Chairman of the Board, if any, the
President, a Vice-President, or, if none of the foregoing is in office and
present and acting, by a chairman to be chosen by the shareholders. The
Secretary of the corporation, or in his absence, an Assistant Secretary, shall
act as secretary of every meeting, but if neither the Secretary nor an Assistant
Secretary is present the Chairman of the meeting shall appoint a secretary of
the meeting.

G. PROXY REPRESENTATION. Every stockholder may authorize another person or
persons to act for him by proxy in all matters in which a


                                        4
<PAGE>

stockholder is entitled to participate, whether for the purposes of determining
his presence at a meeting, or whether by waiving notice of any meeting, voting
or participating at a meeting, or expressing consent or dissent without a
meeting, or otherwise. Every proxy shall be executed in writing by the
stockholder or by his duly authorized attorney in fact and filed with the
Secretary of the corporation. No proxy shall be valid more than eleven months
from the date of its execution, unless the proxy provides otherwise.

H. INSPECTORS OF ELECTION. The directors, in advance of any meeting, may, but
need not, appoint one or more inspectors to act at the meeting or any
adjournment thereof. If an inspector or inspectors are not appointed, the person
presiding at the meeting may, but need not, appoint one or more inspectors. In
case any person who may be appointed as inspector fails to appear or act, the
vacancy may be filled by appointment made by the directors in advance of the
meeting or at the meeting by the person in advance of the meeting or at the
meeting by the person presiding thereat. Each inspector, if any, before entering
upon the discharge of his duties, shall take and sign an oath faithfully to
execute the duties of inspector at such meeting with strict impartiality and
according to the best of his ability. The inspectors, if any, shall determine
the number of shares outstanding and the voting power of each, the shares
represented at the meeting, the existence of a quorum, the validity and effect
of proxies, and shall receive votes, ballots or consents, hear and determine all
challenges and questions arising in connection with the right to vote, count and
tabulate all votes, ballots or consents, determine the result and do such acts
as are proper to conduct the election or vote with fairness to all stockholders.
On request of the person presiding at the meeting or any stockholder, the
inspector or inspectors, if any shall make a report in writing of any challenge,
question or matter determined by him or them and execute a certificate of any
fact found by him or them.

I. QUORUM. Except as may otherwise be required by the provisions of the Maryland
General Corporation Law, the Articles of Incorporation, or these Bylaws, the
presence in the person or by proxy at a meeting of the stockholders entitled to
cast at least a majority of the votes entitled to be cast at the meeting shall
constitute a quorum.

J. VOTING. Each share of stock shall entitle the holder thereof to one vote or
such fraction of a vote as the share may represent except in the election of
directors, at which each said vote may be cast for as many persons as there are
directors to be elected. Except as may otherwise be provided in the provisions
of the Maryland General Corporation Law, the Articles of Incorporation or these
Bylaws, a majority of all the votes cast at a meeting of stockholders at which a
quorum is present shall be sufficient to approve


                                        5
<PAGE>

any matter which may properly come before the meeting. A plurality of all the
votes cast at a meeting of stockholders at which a quorum is present is
sufficient to elect a director.

                                   ARTICLE II

                               BOARD OF DIRECTORS

1. FUNCTIONS AND DEFINITION. The business and the affairs of the corporation
shall be managed by or under the direction of its Board of Directors. All powers
of the corporation way be exercised by or under the authority of said Board of
Directors. The use of the phrase "entire board" herein refers to the total
number of directors which the corporation would have if there were no vacancies.

2. QUALIFICATIONS AND NUMBER. Each director shall be a natural person of full
age. A director need not be a stockholder, a citizen of the United States, or a
resident of the State of Maryland. The initial Board of Directors shall consist
of one person, which is the number set forth in the Articles of Incorporation.
Thereafter the number of directors shall be three.

3. ELECTION AND TERM. The first board of Directors shall consist of the director
named in the Articles of Incorporation who shall hold office until the first
annual meeting of stockholders or until their successors have been elected and
qualified. At the first annual stockholders meeting the three directors shall be
elected and qualified. Any directorships left vacant at the first annual
shareholders meeting shall be filled at the next annual shareholders meeting,
only for the term remaining for the vacant director. All directors shall be
elected for one year terms. Each director shall hold office until the next
annual meeting of shareholders after the director's term has expired and until
their successors have been elected and qualified. In the interim between annual
meetings of stockholders or of special meetings of stockholders called for the
election of directors, newly created directorships and any vacancies in the
Board of Directors, including vacancies resulting from the removal of directors
by the stockholders which have not been filled by said stockholders, may be
filled by the Board of Directors. Newly created directorships filled by the
Board of Directors shall be by action of a majority of the entire Board of
Directors. All other vacancies to be filled by the Board of Directors may be
filled by a majority of the remaining members of the Board of Directors, whether
or not sufficient to constitute a quorum.

4. MEETINGS


                                        6
<PAGE>

A. TIME. Meetings shall be held at such time as the Board shall set, except that
the first meeting of a newly elected Board shall be held as soon after its
election as the directors may conveniently assemble.

B. PLACE. Meetings shall be held at such place within or without the State of
Maryland as shall be set by the Chairman of Board, if any, by the President, or
by a majority of directors in office.

C. CALL. No call shall be required for regular meetings for which the time and
place have been fixed. Special meetings may be called by or at the direction of
the Chairman of the Board, if any, by the President, or by a majority of the
directors in office.

D. NOTICE OR ACTUAL OR CONSTRUCTIVE WAIVER. No notice shall be required for
regular meetings for which the time and place have been fixed. Written, oral, or
any other mode of notice of the time and place shall be given for special
meetings in sufficient time for the convenient assembly of the directors
thereat. The notice of any meeting need not specify the business to be
transacted or the purpose of the meeting. Whenever any notice of the time,
place, or purpose of any meeting of directors or any committee thereof is
required to be given under the provisions of the Maryland General Corporation
Law or of these Bylaws, a waiver thereof in writing, signed by the director or
committee member entitled to such notice and filed with the records of the
meeting, whether before or after the meeting, or presence at the meeting, shall
be deemed equivalent to the giving of such notice to such director or such
committee member.

B. QUORUM AND ACTION. A majority of the entire Board of Directors shall
constitute a quorum except when a vacancy or vacancies prevents such majority,
whereupon a majority of the directors in office shall constitute a quorum,
provided such majority shall constitute at least one-third of the entire Board
and, in no event, less than two directors provided, that whenever the entire
Board of Directors consists of one director, that one director shall constitute
a quorum. Except as in the Articles of Incorporation and herein otherwise
provided and, except as in the provisions of the Maryland General Corporation
Law otherwise provided, the action of the directors present at a meeting at
which a quorum is present shall be the action of the Board of Directors. Members
of the Board of Directors or of a committee thereof may participate in a meeting
by means of conference telephone or similar communications equipment if all
persons participating in the meeting can hear each other at the same time; and
participation by such means shall constitute presence in person at a meeting.


                                       7
<PAGE>

F. CHAIRMAN OF THE MEETING. The Chairman of the Board, if any and if present
and acting, shall preside at all meetings. Otherwise, the President, if present
and acting, or any other director chosen by the Board, shall preside.

5. REMOVAL OF DIRECTORS. Directors may only be removed with cause by a
shareholder vote.

6. COMMITTEES. The Board of Directors may appoint from among its members an
Executive Committee and other committees composed of two or more directors, and
may delegate to such committee or committees any of the powers of the Board of
Directors except such powers as may not be delegated under the provisions of the
Maryland General Corporation Law. In the absence of any member of any such
committee, the members thereof present at any meeting, whether or not they
constitute a quorum, may appoint a member of the Board of Directors to act in
the place of such absent member.

7. INFORMAL ACTION. Any action required or permitted to be taken at any meeting
of the Board of Directors or of any committee thereof may be taken without a
meeting, if a written consent to such action is signed by all members of the
Board of Directors or any such committee, as the case may be, and such written
consent is filed with the minutes of proceedings of the Board or any such
committee.

                                   ARTICLE III

                                    OFFICERS

The corporation shall have a President, a Secretary, and a Treasurer, and may
have a Chairman of the Board, a Vice-Chairman of the Board and one or more
Vice-Presidents, who shall be elected by the Board of Directors, and may have
such other officers, assistant officers, and agents as the Board of Directors
shall authorize from time to time, each of whom shall be elected or appointed in
the manner prescribed by the Board of Directors. Any two or more officers,
except those of President and Vice-President, may be held by the same person,
but no person shall execute, acknowledge or verify any instrument in more than
one capacity, if such instrument is required by law to be executed, acknowledged
or verified by more than one officer. Unless otherwise provided in the
resolution of election or appointment, each officer shall hold office until the
meeting of the Board of Directors following the next annual meeting of
stockholders and until his successor has been elected or appointed and
qualified.


                                        8
<PAGE>

The officers and agents of the corporation shall have the authority and perform
the duties in the management of the corporation as determined by the resolution
electing or appointing them.

Any officer or agent may be removed by the Board of Directors whenever, in its
judgment, the best interests of the corporation will be served thereby.

                                   ARTICLE IV

                PRINCIPAL OFFICE - RESIDENT AGENT - STOCK LEDGER

The address of the initial principal office of the corporation in the State of
Maryland and the name and the address of the initial resident agent of the
corporation in the State of Maryland are set forth in the Articles of
Incorporation.

The corporation shall maintain, at its principal office in the State of Maryland
or at a business office or an agency of the corporation an original or duplicate
stock ledger containing the name address of each stockholder and the number of
shares of each class held by each stockholder. Such stock ledger may be in
written form or any other form capable of being converted into written form
within a reasonable time for visual inspection.

The corporation shall keep at its principal office in the State of Maryland the
original or a certified copy of the Bylaws, including all amendments thereto,
and shall duly file thereat the annual statement of affairs of the corporation.

                                    ARTICLE V

                                 CORPORATE SEAL

The corporate seal shall have inscribed thereon the name of the corporation or
trade name of the corporation and shall be in such form and contain such other
words and/or figures as the Board of Directors shall determine or the law
require.
<PAGE>

                                   ARTICLE VI

                                   FISCAL YEAR

The fiscal year of the Corporation shall be fixed, and shall be subject to
change, by the Board of Directors.

                                  ARTICLE VIII

                               CONTROL OVER BYLAWS

The power to adopt, alter, amend, and repeal the Bylaws is vested hereafter in
the Shareholders of the Corporation.

I HEREBY CERTIFY that the foregoing is a full, true and correct copy of the
Bylaws of HEALTH QUALITY MANAGEMENT, INC., a Maryland corporation, as in effect
on the date hereof.

WITNESS my hand and the seal of the Corporation.

/s/ P. Steven Macedo, Director
- ----------------------------------------
P. Steven Macedo, Director

Health Quality Management, Inc.


                                        2

                              Amended and Restated
                       Bylaws of Medi-Cen Management, Inc.
                              as of March 11, 1998

                                    ARTICLE I

                                  STOCKHOLDERS

      1. CERTIFICATES REPRESENTING STOCK. Certificates representing shares of
stock for MEDI-CEN MANAGEMENT, INC. (the "corporation") shall set forth thereon
the statements prescribed by Sections 2-207 and 2-211 of the Maryland General
Corporation Law and by any other applicable provision of law and shall be signed
by the President or the Chairman of the Board, if any, or a Vice-President and
countersigned by the Secretary or an Assistant Secretary or the Treasurer or an
Assistant Treasurer and may be sealed with the corporate seal or facsimile of it
or in any other form. The signatures of any such officers may be either manual
or facsimile signatures. In case any such officer who has signed manually or by
facsimile any such certificate ceases to be such officer before the certificate
is issued, it may nevertheless be issued by the corporation with the same effect
as if the officer had not ceased to be such officer as of date of its issue.

      No certificate representing shares of stock shall be issued for any share
of stock until such share is fully paid, except as otherwise authorized by the
provisions of Section 2-210 of the Maryland General Corporation Law.

      The corporation may issue a new certificate of stock in place of any
certificate theretofore issued by it, alleged to have been lost, stolen, or
destroyed, and the Board of Directors may in its discretion, require the owner
of any such certificate to give bond, with sufficient surety, to the corporation
to indemnify it against any loss or claim that may arise by reason of the
issuance of a new certificate.

      Upon compliance with the provisions of Section 2-514 of the Maryland
General Corporation Law, the Board of Directors of the corporation may adopt by
resolution a procedure by which a stockholder of the corporation may certify in
writing to the corporation that any shares registered in the name of the
stockholder are held for the account of a specified person other than the
stockholder.

      2. FRACTIONAL SHARE INTERESTS OR SCRIP. The corporation shall be obliged
to issue fractional shares of stock.

      3. SHARE TRANSFERS. Upon compliance with provisions restricting the
transferability of shares of stock, if any, transfers of shares of stock of the
corporation shall be made only on the stock transfer books of the corporation by
the record holder thereof, or by his attorney thereunto authorized by power of
attorney duly executed and filed with the Secretary of the corporation or with a
transfer agent or a registrar, if any, and on surrender of the certificate or
certificates for such shares of stock properly endorsed and the payment of all
taxes due thereon, if any.
<PAGE>

      4. RECORD DATE FOR STOCKHOLDERS. The Board of Directors may set a record
date or direct that the stock transfer books be closed for a stated period for
the purpose of making any proper determination with respect to stockholders,
including which stockholders are entitled to notice of a meeting, to vote at a
meeting, to receive a dividend, or to be allotted other rights; provided, that,
except as may be otherwise provided herein, any such record date shall be not
more than ninety days before the date on which the action requiring the
determination will be taken, that any such closing of the transfer of books may
not be for a period longer than twenty days, and that, in the case of a meeting
of stockholders, any such record date or any such closing of the transfer books
shall be at least ten days before the date of the meeting. If a record date is
not set, and, if the stock transfer books are not closed, the record date for
determining stockholders entitled to notice of or to vote at a meeting of
stockholders shall be the later of either the close of business on the day on
which notice of the meeting is mailed or the thirtieth day before the meeting,
and the record date for determining stockholders entitled to receive payment of
a dividend or an allotment of any rights shall be the close of business on the
day on which the resolution of the Board of Directors declaring the dividend or
allotment of rights is adopted, but any such payment of a dividend or allotment
of rights shall not be made more than sixty days after the date on which the
resolution is adopted; and a meeting of stockholders convened on the date for
which it was called may be adjourned from time to time without further notice to
a date not more than one hundred and twenty days after the original record date.

      5. MEANING OF CERTAIN TERMS. As used herein in respect of the right to
notice of a meeting of stockholders or a waiver thereof or to participate or
vote thereat or to consent or dissent in writing in lieu of a meeting, as the
case may be, the term "share of stock" or "shares of stock" or "stockholder" or
"stockholders" refers to an outstanding record of outstanding shares of stock
when the corporation is authorized to issue only one class of shares of stock,
and said reference is also intended to include any outstanding share or shares
of stock and any holder or holders of record of outstanding shares of stock of
any class or series upon which or upon whom the Articles of Incorporation confer
such rights where there are two or more classes or series of shares or upon
which or upon whom the provisions of the Maryland General Corporation Law may
confer such rights or the right of dissent notwithstanding that the Articles of
Incorporation may provide for more than one class or series of shares of stock,
one or more of which are limited or denied such rights thereunder.

      6. STOCKHOLDER MEETINGS.

            A. TIME. The annual meeting of stockholders shall be held on the
      date fixed, from time to time, by the directors, for the election of
      directors and the transaction of any business within the powers of the
      corporation. The first annual meeting shall be at the time specified by
      the Chairman of the Board of Directors any time within the first year of
      operation of the corporation. A special meeting shall be held on the date
      fixed by the directors.

            B. PLACE. Annual meetings and special meetings shall be held at such
      place, either within the State of Maryland or at such other place within
      the United States, as the directors may, from time to time, set. Whenever
      the directors shall fail to set such place, or, whenever stockholders
      entitled to call a special meeting shall call the same, and a place of
      meeting is not set, the meeting shall be held at a local hotel in the
      Washington Metropolitan area to be determined by the President.


                                       2
<PAGE>

            C. CALL. Annual meetings may be called by the directors or the
      President or by any officer instructed by the directors or the President
      to call the meeting. Except as may be otherwise provided by the provisions
      of the Maryland General Corporation Law, special meetings may be called in
      like manner and shall be called by the Secretary whenever the holders of
      shares entitled to at least eight per cent of all the votes entitled to be
      cast at such meeting shall make a duly authorized request that such
      meeting be called.

            D. NOTICE OR ACTUAL OR CONSTRUCTIVE WAIVER OF NOTICE. Written notice
      of all meetings shall be given by the Secretary and shall state the time
      and place of the meeting. The notice of an annual meeting shall state that
      the meeting is called for the election of directors and for the
      transaction of other business which may properly come before the meeting,
      and shall (if any other action which could be taken at a special meeting
      is to be taken at such annual meeting) contain any additional statements
      required in a notice of a special meeting and shall include a copy of any
      requisite statements or provision prescribed by the provisions of the
      Maryland General Corporation Law; provided, however, that any business of
      the corporation may be transacted at any annual meeting without being
      specially noticed unless the provisions of the Maryland General
      Corporation Law provided otherwise. The notice of a special meeting shall
      in all instances state the purpose or purposes for which the meeting is
      called and shall include a copy of any requisite statements or provisions
      prescribed by the provisions of the Maryland General Corporation Law.
      Written notice of any meeting shall be given to each stockholder either by
      mail or personally delivered to him or by leaving it at his residence or
      usual place of business not less than ten days and not more than ninety
      days before the date of the meeting, unless any provisions of the Maryland
      General Corporation Law shall prescribe a different elapsed period of
      time, to each stockholder at his address appearing on the books of the
      corporation or the address supplied by him for the purpose of notice. If
      mailed, notice shall be deemed to be given when deposited in the United
      States mail addressed to the stockholder at his address as it appears on
      the records of the corporation with postage thereon prepaid. Whenever any
      notice of the time, place or purpose of any meeting of stockholders is
      required to be given under the provision of the Articles of Incorporation,
      these Bylaws or of the provisions of the Maryland General Corporation Law,
      a waiver thereof in writing, signed by the stockholder and filed with the
      records of the meeting, whether before or after the holding thereof, or
      his presence in person or by proxy at the meeting shall be deemed
      equivalent to the giving of such notice to such stockholder. The foregoing
      requirements of notice shall also apply, whenever the corporation shall
      have any class of stock which is not entitled to vote, to holders of stock
      who are not entitled to vote at the meeting, but who are entitled to
      notice thereof and to dissent from any action taken thereat.

            E. STATEMENT OF AFFAIRS. The President of the corporation, or, if
      the Board of Directors shall determine otherwise, some other executive
      officer thereof, shall prepare or cause to be prepared annually a full and
      correct statement of the affairs of the corporation, including a balance
      sheet and a financial statement of operations for the preceding fiscal
      year, which shall be submitted at the Annual Meeting and placed on file
      within twenty days thereafter at the principal office of the corporation
      in the State of Maryland.


                                       3
<PAGE>

            F. CONDUCT OF MEETINGS. Meetings of the stockholders shall be
      presided over by one of the following officers in the order of seniority
      and if present and acting - the Chairman of the Board, the Vice-Chairman
      of the Board, if any, the President, a Vice-President, or, if none of the
      foregoing is in office and present and acting, by a chairman to be chosen
      by the shareholders. The Secretary of the corporation, or in his absence,
      an Assistant Secretary, shall act as secretary of every meeting, but if
      neither the Secretary nor an Assistant Secretary is present the Chairman
      of the meeting shall appoint a secretary of the meeting.

            G. PROXY REPRESENTATION. Every stockholder may authorize another
      person or persons to act for him by proxy in all matters in which a
      stockholder is entitled to participate, whether for the purposes of
      determining his presence at a meeting, or whether by waiving notice of any
      meeting, voting or participating at a meeting, or expressing consent or
      dissent without a meeting, or otherwise. Every proxy shall be executed in
      writing by the stockholder or by his duly authorized attorney in fact, and
      filed with the Secretary of the corporation. No proxy shall be valid more
      than eleven months from the date of its execution, unless the proxy
      provides otherwise.

            H. INSPECTORS OF ELECTION. The directors, in advance of any meeting,
      may, but need not, appoint one or more inspectors to act at the meeting or
      any adjournment thereof. If an inspector or inspectors are not appointed,
      the person presiding at the meeting may, but need not, appoint one or more
      inspectors. In case any person who may be appointed as inspector fails to
      appear or act, the vacancy may be filled by appointment made by the
      directors in advance of the meeting or at the meeting by the person in
      advance of the meeting or at the meeting by the person presiding thereat.
      Each inspector, if any, before entering upon the discharge of his duties,
      shall take and sign an oath faithfully to execute the duties of inspector
      at such meeting with strict impartiality and according to the best of his
      ability. The inspectors, if any, shall determine the number of shares
      outstanding and the voting power of each, the shares represented at the
      meeting, the existence of a quorum, the validity and effect of proxies,
      and shall receive votes, ballots or consents, hear and determine all
      challenges and questions arising in connection with the right to vote,
      count and tabulate all votes, ballots or consents, determine the result,
      and do such acts as are proper to conduct the election or vote with
      fairness to all stockholders. On request of the person presiding at the
      meeting or any stockholder, the inspector or inspectors, if any shall make
      a report in writing of any challenge, question or matter determined by him
      or them and execute a certificate of any fact found by him or them.

            I. QUORUM. Except as may otherwise be required by the provisions of
      the Maryland General Corporation Law, the Articles of Incorporation, or
      these Bylaws, the presence in the person or by proxy at a meeting of the
      stockholders entitled to cast at least a majority of the votes entitled to
      be cast at the meeting shall constitute a quorum.

            J. VOTING. Each share of stock shall entitle the holder thereof to
      one vote or such fraction of a vote as the share may represent except in
      the election of directors, at which each said vote may be cast for as many
      persons as there are directors to be elected. Except as may otherwise be
      provided in the provisions of the Maryland General Corporation Law, the
      Articles of Incorporation or these Bylaws, a majority of all the votes
      cast at a meeting of stockholders at which a quorum is present shall be
      sufficient to approve any matter which 


                                       4
<PAGE>

      may properly come before the meeting. A plurality of all the votes cast at
      a meeting of stockholders at which a quorum is present is sufficient to
      elect a director.

                                   ARTICLE II

                               BOARD OF DIRECTORS

      1. FUNCTIONS AND DEFINITION. The business and the affairs of the
corporation shall be managed by or under the direction of its Board of
Directors. All powers of the corporation may be exercised by or under the
authority of said Board of Directors. The use of the phrase "entire board"
herein refers to the total number of directors which the corporation would have
if there were no vacancies.

      2. QUALIFICATIONS AND NUMBER. Each director shall be a natural person of
full age. A director need not be a stockholder, a citizen of the United States,
or a resident of the State of Maryland. The initial Board of Directors shall
consist of one person, which is the number set forth in the Articles of
Incorporation. Thereafter the number of directors shall be three. A majority of
the entire board of directors is authorized at any time, provided such action
does not affect the tenure of any director, to alter the number of directors to
a number less than twelve (12) but more than two, unless there are less than
three stockholders in which case the number of directors may not be less than
the number of stockholders.

      3. ELECTION AND TERM. The first board of Directors shall consist of the
director named in the Articles of Incorporation who shall hold office until the
first annual meeting of stockholders or until their successors have been elected
and qualified. At the first annual stockholders meeting the three directors
shall be elected and qualified. Any directorships left vacant at the first
annual shareholders meeting shall be filled at the next annual shareholders
meeting, only for the term remaining for the vacant director. All directors
shall be elected for one year terms. Each director shall hold office until the
next annual meeting of shareholders after the director's term has expired and
until their successors have been elected and qualified. In the interim between
annual meetings of stockholders or of special meetings of stockholders called
for the election of directors, newly created directorships and any vacancies in
the Board of Directors, including vacancies resulting from the removal of
directors by the stockholders which have not been filled by said stockholders,
may be filled by the Board of Directors. Newly created directorships filled by
the Board of Directors shall be by action of a majority of the entire Board of
Directors. All other vacancies to be filled by the Board of Directors may be
filled by a majority of the remaining members of the Board of Directors, whether
or not sufficient to constitute a quorum.

      4. MEETINGS.

            A. TIME. Meetings shall be held at such time as the Board shall set,
      except that the first meeting of a newly elected Board shall be held as
      soon after its election as the directors may conveniently assemble.

            B. PLACE. Meetings shall be held at such place within or without the
      State of Maryland as shall be set by the Chairman of Board, if any, by the
      President, or by a majority the directors in office.


                                       5
<PAGE>

            C. CALL. No call shall be required for regular meetings for which
      the time and place have been fixed. Special meetings may be called by or
      at the direction of the Chairman of the Board, if any, by the President,
      or by a majority of the directors in office.

            D. NOTICE OR ACTUAL OR CONSTRUCTIVE WAIVER. No notice shall be
      required for regular meetings for which the time and place have been
      fixed. Written, oral, or any other mode of notice of the time and place
      shall be given for special meetings in sufficient time for the convenient
      assembly of the directors thereat. The notice of any meeting need not
      specify the business to be transacted or the purpose of the meeting.
      Whenever any notice of the time, place, or purpose of any meeting of
      directors or any committee thereof is required to be given under the
      provisions of the Maryland General Corporation Law or of these Bylaws, a
      waiver thereof in writing, signed by the director or committee member
      entitled to such notice and filed with the records of the meeting, whether
      before or after the meeting, or presence at the meeting, shall be deemed
      equivalent to the giving of such notice to such director or such committee
      member.

            E. QUORUM AND ACTION. A majority of the entire Board of Directors
      shall constitute a quorum except when a vacancy or vacancies prevents such
      majority, whereupon a majority of the directors in office shall constitute
      a quorum, provided such majority shall constitute at least one-third of
      the entire Board and, in no event, less than two directors provided, that
      whenever the entire Board of Directors consists of one director, that one
      director shall constitute a quorum. Except as in the Articles of
      Incorporation and herein otherwise provided and, except as in the
      provisions of the Maryland General Corporation Law otherwise provided, the
      action of the directors present at a meeting at which a quorum is present
      shall be the action of the Board of Directors. Members of the Board of
      Directors or of a committee thereof may participate in a meeting by means
      of conference telephone or similar communications equipment if all persons
      participating in the meeting can hear each other at the same time; and
      participation by such means shall constitute presence in person at a
      meeting.

            F. CHAIRMAN OF THE MEETING. The Chairman of the Board, if any and if
      present and acting, shall preside at all meetings. Otherwise, the
      President, if present and acting, or any other director chosen by the
      Board, shall preside.

      5. REMOVAL OF DIRECTORS. Directors may only be removed with cause by a
shareholder vote.

      6. COMMITTEES. The Board of Directors may appoint from among its members
an Executive Committee and other committees composed of two or more directors,
and may delegate to such committee or committees any of the powers of the Board
of Directors except such powers as may not be delegated under the provisions of
the Maryland General Corporation Law. In the absence of any member of any such
committee, the members thereof present at any meeting, whether or not they
constitute a quorum, may appoint a member of the Board of Directors to act in
the place of such absent member.


                                       6
<PAGE>

      7. INFORMAL ACTION. Any action required or permitted to be taken at any
meeting of the Board of Directors or of any committee thereof may be taken
without a meeting, if a written consent to such action is signed by all members
of the Board of Directors or any such committee, as the case may be, and such
written consent is filed with the minutes of proceedings of the Board or any
such committee.

                                   ARTICLE III

                                    OFFICERS

      The corporation shall have a President, a Secretary, and a Treasurer, and
may have a Chairman of the Board, a Vice-Chairman of the Board and one or more
Vice-Presidents, who shall be elected by the Board of Directors, and may have
such other officers, assistant officers, and agents as the Board of Directors
shall authorize from time to time, each of whom shall be elected or appointed in
the manner prescribed by the Board of Directors. Any two or more officers,
except those of President and Vice-President, may be held by the same person,
but no person shall execute, acknowledge or verify any instrument in more than
one capacity, if such instrument is required by law to be executed, acknowledged
or verified by more than one officer. Unless otherwise provided in the
resolution of election or appointment, each officer shall hold office until the
meeting of the Board of Directors following the next annual meeting of
stockholders and until his successor has been elected or appointed and
qualified.

      The officers and agents of the corporation shall have the authority and
perform the duties in the management of the corporation as determined by the
resolution electing or appointing them.

      Any officer or agent may be removed by the Board of Directors whenever, in
its judgment, the best interests of the corporation will be served thereby.

                                   ARTICLE IV

                PRINCIPAL OFFICE - RESIDENT AGENT - STOCK LEDGER

      The address of the initial principal office of the corporation in the
State of Maryland and the name and the address of the initial resident agent of
the corporation in the State of Maryland are set forth in the Articles of
Incorporation.

      The corporation shall maintain, at its principal office in the State of
Maryland or at a business office or an agency of the corporation an original or
duplicate stock ledger containing the name address of each stockholder and the
number of shares of each class held by each stockholder. Such stock ledger may
be in written form or any other form capable of being converted into written
form within a reasonable time for visual inspection.

      The corporation shall keep at its principal office in the State of
Maryland the original or a certified copy of the Bylaws, including all
amendments thereto, and shall duly file thereat the annual statement of affairs
of the corporation.


                                       7
<PAGE>

                                    ARTICLE V

                                 CORPORATE SEAL

      The corporate seal shall have inscribed thereon the name of the
corporation or trade name of the corporation and shall be in such form and
contain such other words and/or figures as the Board of Directors shall
determine or the law require.

                                   ARTICLE VI

                                   FISCAL YEAR

      The fiscal year of the Corporation shall be fixed, and shall be subject to
change, by the Board of Directors.

                                  ARTICLE VIII

                               CONTROL OVER BYLAWS

      The power to adopt, alter, amend, and repeal the Bylaws is vested
exclusively in the Board of Directors of the Corporation.

      I HEREBY CERTIFY that the foregoing is a full, true and correct copy of
the Bylaws of MEDI-CEN MANAGMENT, INC., a Maryland corporation, as in effect on
the date hereof.

      WITNESS my hand and the seal of the Corporation.


Date: March 11, 1998

                                   /s/P. Steven Macedo, M.D.
                                   ---------------------------------------------
                                   P. Steven Macedo, M.D., Chairman of the Board
                                   Medi-Cen Management, Inc.


                                       8


                            MEDI-CEN MANAGEMENT, INC.

                             1998 STOCK OPTION PLAN



SECTION 1. PURPOSE

         The purpose of the  Medi-Cen  Management,  Inc.  Stock Option Plan (the
"Plan") is to provide an  additional  incentive  to  directors,  key  employees,
independent  contractors,  agents and consultants of Medi-Cen  Management,  Inc.
(the  "Company")  to aid  in  attracting  and  retaining  directors,  employees,
independent  contractors,  agents and consultants of outstanding ability, and to
align their interests with those of shareholders.

SECTION 2. DEFINITIONS

         Unless the context clearly  indicates  otherwise,  the following terms,
when used in this Plan, shall have the meanings set forth in this Section 2.

         (a)      "Board" shall mean the Board of Directors of the Company.

         (b) "Code" shall mean the  Internal  Revenue Code of 1986 and the rules
and regulations thereunder, as it or they may be amended from time to time.

         (c) "Committee"  shall mean the full Board,  Compensation  Committee of
the Board or such other  committee as may be  designated  by the Board.  If less
than the full Board,  the Committee  shall consist of two or more members of the
Board who are not eligible to  participate  in the Plan,  and who  otherwise are
"non-employee directors" under Rule 16b-3.

         (d) "Date of  Exercise"  shall  mean the  earlier  of the date on which
written  notice of exercise,  together  with payment in full, is received at the
office of the  Secretary  of the  Company or the date on which  such  notice and
payment are mailed to the  Secretary of the Company as its  principal  office by
certified or registered mail.

         (e) "Director" shall mean a member of the Board of Directors.

         (f) "Employee" shall mean any employee or any officer of the Company or
any of its Subsidiaries,  or any other person, who is an independent contractor,
agent or consultant of the Company or any of its Subsidiaries, and excluding any
director of the Company who is not otherwise an employee of the Company. For the
purposes of any provision of this Plan relating to Incentive Stock Options,  the
term  "Employee"  shall be limited to mean any employee (as that term is defined
under Code


<PAGE>



Section 3401(c)) or officer of the Company or any of its  Subsidiaries,  but not
any person who is merely an independent  contractor,  agent or consultant of the
Company or any of its subsidiaries.

         (g) "Fair  Market  Value" of the Stock  means,  for all purposes of the
Plan  unless  otherwise  provided  (i) the mean  between  the high and low sales
prices of the  Stock as  reported  on the  National  Market  System or small cap
Market of the  National  Association  of  Securities  Dealers,  Inc.,  Automated
Quotation System, or any similar system of automated dissemination of quotations
of securities  prices then in common use, if so quoted, or (ii) if not quoted as
described in clause (i), the mean between the high bid and low asked  quotations
for the Stock as reported by the National Quotation Bureau  Incorporated or such
other source as the Committee shall  determine,  or (iii) if the Stock is listed
or admitted for trading on any national  securities  exchange,  the mean between
the high and low sales price,  or the closing bid price if no sale occurred,  of
the Stock on the principal  securities exchange on which the Stock is listed. In
the event that the method for  determining  the Fair  Market  Value of the Stock
provided for above shall either be not  applicable or not be  practical,  in the
opinion of the Committee, then the Fair Market Value shall be determined by such
other  reasonable  method as the Committee,  in its discretion  shall select and
apply.

         (h) "Grantee" shall mean an Employee granted a Stock Option.

         (i)  "Granting  Date"  shall  mean  the  date on  which  the  Committee
authorizes  the issuance of a Stock  Option for a specified  number of shares of
Stock to a specified Employee.

         (j)  "Incentive  Stock Option" shall mean a Stock Option  granted under
the Plan which is properly  qualified under the provisions of Section 422 of the
Code.

         (k)  "Nonstatutory  Stock  Option"  shall mean a Stock  Option  granted
within the Plan which is not an Incentive  Stock  Option or otherwise  qualified
under similar tax provisions.


         (l) "Rule 16b-3" shall mean Rule 16b-3  promulgated  by the  Securities
and Exchange  Commission  pursuant to the  Securities  Exchange Act of 1934,  as
amended, or any rule in replacement thereof.

         (m) "Stock" shall mean the Common Stock,  par value $.01 per share,  of
the Company.


                                        2

<PAGE>

         (n) "Stock Option" shall mean an Incentive Stock Option or Nonstatutory
Stock Option granted pursuant to the Plan to purchase shares of Stock.

SECTION 3. SHARES OF STOCK SUBJECT TO THE PLAN

         The Company shall reserve  2,000,000  shares of Stock for issuance upon
the exercise of Stock Options granted  pursuant to this Plan.  Shares  delivered
under the Plan may be  authorized  and unissued  shares or issued shares held by
the Company in its treasury.  If any Stock Options  expire or terminate  without
having been  exercised,  the shares of Stock  covered by such Stock Option shall
become available again for the grant of Stock Options hereunder.  Similarly,  if
any Stock Options are surrendered for cash pursuant to the provisions of Section
7, the shares of Stock covered by such Stock Options shall also become available
again for the grant of Stock Options hereunder. Shares of Stock covered by Stock
Options  surrendered for Stock pursuant to Section 7, however,  shall not become
available again for the grant of Stock Options hereunder.

SECTION 4. ADMINISTRATION OF THE PLAN

         (a) The Plan shall be  administered  by the  Committee.  Subject to the
express  provisions of the Plan, the Committee shall have authority to interpret
the Plan, to prescribe,  amend and rescind rules and regulations relating to it,
to determine the terms and provisions of Stock Options  grants,  and to make all
other determinations necessary or advisable for the administration of the Plan.

         (b) It is intended that the Plan and any transaction hereunder meet all
of the  requirements  of Rule 16b-3  promulgated  by the Securities and Exchange
Commission,  as such rule is  currently  in effect or as  hereafter  modified or
amended,  and all other  applicable  laws.  If any  provision of the Plan or any
transaction  would disqualify the Plan or such  transaction  under, or would not
comply with, Rule 16b-3 or other  applicable laws, such provision or transaction
shall be  construed  or deemed  amended  to  conform to Rule 16b-3 or such other
applicable  laws or otherwise  shall be deemed to be null and void, in each case
to the extent permitted by law and deemed advisable by the Committee.

         (c) Any  controversy  or claim  arising  out of or related to this Plan
shall be determined unilaterally by and at the sole discretion of the Committee.

SECTION 5. GRANTING OF STOCK OPTIONS

         (a)  Directors,  Key  Employees,  independent  contractors,  agents and
consultants to the Company shall be eligible to receive Stock Options

                                        3

<PAGE>



under the Plan.  Only Employees shall be eligible to receive Incentive
Stock Options under the Plan.

         (b) The  option  price of each share of Stock  subject to an  Incentive
Stock  Option  shall be at least 100% of the Fair Market Value of a share of the
Stock on the Granting Date.

         (c) The option  price of each share of Stock to a  Nonstatutory  Option
shall be 100% of the Fair Market  Value of a share of the Stock on the  Granting
Date, or such other price either greater than or less than the Fair Market Value
(but in no event  less than the par value of the Stock) as the  Committee  shall
determine  appropriate  to the purposes of the Plan and to the  Company's  total
compensation program.

         (d) The Committee shall determine and designate from time to time those
persons who are to be granted  Stock  Options and whether the  particular  Stock
Options are to be Incentive  Stock Options or  Nonstatutory  Stock Options,  and
shall  also  specify  the number of shares  covered by and the option  price per
share of each Stock  Option.  Each Stock Option  granted under the Plan shall be
clearly  identified  as to its  status  as a  Nonstatutory  Stock  Option  or an
Incentive Stock Option.

         (e) The aggregate  Fair Market Value  (determined at the time the Stock
Option is granted) of the Stock with respect to which  Incentive  Stock  Options
are  exercisable  for the first time by any individual  during any calendar year
(under  all plans of the  individual's  employer  corporation)  shall not exceed
$100,000.00.

         (f) A Stock Option shall be  exercisable  during such period or periods
and in such  installments  as shall be  fixed by the  Committee  at the time the
Stock Option is granted or in any amendment thereto; but each Stock Option shall
expire not later than ten (10) years from the Granting Date.

         (g) The Committee  shall have the authority to grant both  transferable
Stock  Options  and  nontransferable  Stock  Options,  and to amend  outstanding
nontransferable Stock Options to price for transferability. Each nontransferable
Stock Option  intended to qualify under Rule 16b-3 or otherwise shall provide by
its  terms  that it is not  transferable  otherwise  than by will or the laws of
descent and  distribution  or,  except in the case of Incentive  Stock  Options,
pursuant to a "qualified  domestic  relations order" as defined by the Code, and
is  exercisable,  during  the  Grantee's  lifetime,  only by the  Grantee.  Each
transferable  Stock Option may provide for such  limitations on  transferability
and  exercisability as the Committee may designate at the time a Stock Option is
granted or is otherwise amended to provide for transferability.

                                        4

<PAGE>



         (h) Stock  Options may be granted to an  Employee  or Director  who has
previously  received  Stock  Options or other  options  whether such prior Stock
Options are still outstanding,  have previously been exercised or surrendered in
whole or in part, or are canceled in  connection  with the issuance of new Stock
Options.

         (i)  Notwithstanding  the  foregoing,  the option price of an Incentive
Stock  Option in the case of a Grantee who owns more than ten  percent  (10%) of
the total combined voting power of all classes of stock of the Company or any of
its  Subsidiaries,  will not be less than one hundred ten percent  (110%) of the
Fair Market  Value of the Stock at the  Granting  date and in the case of such a
Grantee, the Incentive Stock Option may be exercised no more than five (5) years
after the Granting Date.

SECTION 6. EXERCISE OF STOCK OPTIONS

         (a) Except as provided in Section 7, no  Incentive  Stock Option may be
exercised  at any time  unless the  Grantee  has been an  Employee  at all times
during the period beginning on the Granting Date and ending on the day three (3)
months before the date of such exercise.

         (b) The  Grantee  shall  pay the  option  price  in full on the Date of
Exercise of a Stock Option in cash,  by check,  or by delivery of full shares of
Stock of the Company,  duly endorsed for transfer to the Company with  signature
guaranteed,  or by an  combination  thereof.  Stock will be accepted at its Fair
Market Value on the Date of Exercise.

         (c) Subject to the approval of the Committee, or of such person to whom
the Committee may delegate such authority ("its designee"),  and subject further
to the applicable  regulations of any  governmental  authority,  the Company may
loan to the  Grantee a sum equal to an amount  which is not in excess of 100% of
the  purchase  price of the shares of Stock  acquired  upon  exercise of a Stock
Option,  such loan to be evidenced by the execution and delivery of a promissory
note.  Interest shall be paid on the unpaid  balance of the  promissory  note at
such  times  and at such rate as shall be  determined  by the  Committee  or its
designee.  Such promissory note shall be secured by the pledge to the Company of
shares of Stock having an aggregate purchase price on the date of purchase equal
to or greater  than the amount of such note.  A Grantee  shall have,  as to such
pledged  shares of Stock,  all rights of ownership  including  the right to vote
such  shares of Stock and to  receive  dividends  paid on such  shares of Stock,
subject to the security  interest of the Company.  Such shares of Stock shall be
released by the Company from the pledge unless the  proportionate  amount of the
note  secured  thereby has been repaid to the  Company;  provided,  however that
shares  of  Stock  subject  to a  pledge  may be  used to pay all or part of the
purchase price of any other option

                                        5

<PAGE>



granted  hereunder or under any other stock  incentive plan of the Company under
the terms and  conditions  of this Plan  relating to the  surrender of shares of
Stock in payment of the exercise price of an option.  In such event, that number
of the newly purchased  shares of Stock equal to the shares of Stock  previously
pledged shall be immediately pledged as substitute security for the pre-existing
debt of the  Grantee  to the  Company,  and  thereupon  shall be  subject to the
provisions  hereof  relating  to  pledged  shares of Stock.  All notes  executed
hereunder  shall be payable at such times and in such amounts and shall  contain
such other  terms as shall be  specified  by the  Committee  or its  designee or
stated in the option agreement; provided, however, that such terms shall conform
to requirements  contained in any applicable regulations which are issued by any
governmental authority.

SECTION 7. TERMINATION OF EMPLOYMENT

         Except as otherwise  provided by the Committee at the time an Incentive
Stock Option is granted or any amendment  thereto,  if a Grantee ceases to be an
Employee then:

         (a) if termination  of employment is voluntary or  involuntary  without
cause,  the Grantee may exercise  each Stock  Option held by the Grantee  within
three (3) months after such  termination  (but not after the expiration  date of
the Stock  Option) to the  extent of the  number of shares  subject to the Stock
Option which are purchasable pursuant to its terms at the date of termination;

         (b) if termination is for cause,  all Stock Options held by the Grantee
shall be canceled as of the date of termination.

         (c) subject to the provisions of Section 7(d), if termination is (i) by
reason of  retirement  at a time when the  Grantee is  entitled  to the  current
receipt of benefits under any retirement plan maintained by the Company, or (ii)
by reason of disability,  each Stock Option held by the Grantee may be exercised
by the  Grantee  at any time  (but not after  the  expiration  date of the Stock
Option)  (within  one (1) year of  termination  in the case of  Incentive  Stock
Options) to the extent of the number of shares subject to the Stock Option which
were purchasable pursuant to its terms at the date of termination;

         (d) if termination is by reason of the death of the Grantee,  or if the
Grantee dies after retirement or disability as referred to in Section 7(c), each
Stock Option held by the Grantee may be exercised by the Grantee's estate, or by
any person who  acquires the right to exercise the Stock Option by reason of the
Grantee's death, at any time within a period of three (3) years after death (but
not after the  expiration  date of the Stock  Option) to the extent of the total
number of shares subject

                                        6

<PAGE>



to the Stock Option which were purchasable pursuant to its terms at the
date of termination; or

         (e) if the Grantee  should die within three (3) months after  voluntary
termination  of  employment  or  involuntary   termination   without  cause,  as
contemplated  in Section  7(a),  each Stock  Option  held by the  Grantee may be
exercised by the  Grantee's  estate,  or by any person who acquires the right to
exercise by reason of the  Grantee's  death,  at any time within a period of one
(1) year after death (but not after the expiration  date of the Stock Option) to
the  extent of the  number of shares  subject  to the Stock  Option  which  were
purchasable pursuant to its terms at the date of termination.

SECTION 8. DIRECTOR PARTICIPATION

         Except as otherwise  provided by the  Committee,  at the time the Stock
Option, or any amendment thereto, is granted to a Director.

         (a) if the Grantee  shall cease to be a Director for reasons other than
death, each Stock Option held by the Grantee may be exercised at any time within
three (3) months of the date that the Grantee  ceased to be a Director  (but not
after the  expiration  date of the Stock  Option) to the extent of the number of
shares subject to the Stock Option which were purchasable  pursuant to its terms
at the date the Grantee ceased being a Director;

         (b) if the Grantee  shall cease to be a Director by reason of the death
of the  Grantee,  each Stock  Option held by the Grantee may be exercised by the
Grantee's  estate, or by any person who acquires the right to exercise the Stock
Option by reason of the  Grantee's  death,  at any time within a period of three
(3) years after death (but not after the expiration date of the Stock Option) to
the extent of the total number of shares  subject to the Stock Option which were
purchasable  pursuant  to its  terms  at the  date the  Grantee  ceased  being a
Director.

SECTION 9. ADJUSTMENTS

         In  the   event   of   any   merger,   consolidation,   reorganization,
recapitalization,  stock dividend,  stock split or other change in the corporate
structure or capitalization  affecting the Stock,  there shall be an appropriate
adjustment  made by the  Committee  in the number and kind of shares that may be
granted in the aggregate and to Grantees  under the Plan, the number and kind of
shares subject to each outstanding Stock Option and the option prices.


                                        7

<PAGE>



SECTION 10. GENERAL PROVISIONS

         (a) Each  Stock  Option  shall be  evidenced  by a  written  instrument
containing such terms and conditions,  not  inconsistent  with this Plan, as the
Committee shall approve.

         (b) The  granting  of a Stock  Option  in any year  shall  not give the
Grantee any right to similar  grants in future  years.  The  granting of a Stock
Option in any year shall not give the  Grantee  any right to be  retained in the
employ of the Company or  interfere  in any way with the right of the Company to
terminate an Employee's employment at any time.

         (c) The  Company  shall  have the right to deduct  from any  payment or
distribution  under  the Plan  any  federal,  state  or local  taxes of any kind
required by law to be  withheld  with  respect to such  payments or to take such
other action as may be necessary to satisfy all  obligations  for the payment of
such taxes. In case distributions are made in shares of Stock, the Company shall
have the right to retain  the value of  sufficient  shares of Stock to equal the
amount of tax to be withheld  for such  distributions  or require a recipient to
pay the  Company  for any such taxes  required  to be withheld on such terms and
conditions prescribed by the Committee.

         (d) No Grantee shall have any of the rights of a shareholder  by reason
of a Stock Option until it is exercised.

         (e) This Plan shall be construed  and enforced in  accordance  with the
laws of the State of Maryland  (without  regard to the  legislative  or judicial
conflict of laws of any state), except to the extent superseded by federal law.

SECTION 11. AMENDMENT AND TERMINATION

         (a) The Plan shall  terminate on  __________,  2008 and no Stock Option
shall be  granted  hereunder  after  that  date,  provided  that the  Board  may
terminate the Plan at any time prior thereto.

         (b) The Board may amend the Plan at any time without notice,  provided,
however, that the Board may not, without prior approval by the shareholders, (i)
increase  the maximum  number of shares of Stock for which Stock  Options may be
granted,  (ii) materially  increase the benefits accruing to participants  under
the Plan, or (iii)  materially  modify the  requirements  as to eligibility  for
participation in the Plan.



                                        8

<PAGE>


         (c) No termination or amendment of the Plan may, without the consent of
a Grantee to whom a Stock Option shall theretofore have been granted,  adversely
affect the rights of such Grantee under such Stock Option.

SECTION 12. EFFECTIVE DATE AND SHAREHOLDERS' APPROVAL

         The Plan shall become effective as of ___________.

                                       9





                             CMO FRANCHISE CONTRACT


1. PARTIES. MEDI-CEN, CORP. OF AMERICA, a Maryland corporation with a business
address of 5530 Wisconsin Ave., Suite 1248, Chevy Chase, MD 20815, (hereinafter,
"FRANCHISER") and MEDI-CEN, CORP. OF MARYLAND, a Maryland corporation with a
business address of 5530 Wisconsin Ave., Suite 1248, Chevy Chase, MD 20815
(hereinafter, "Contract Management Organization" or "CMO").

2. TERRITORY. FRANCHISER agrees to grant an exclusive franchise for Medical
Contract Management Organization services to CMO in the TERRITORY within the
recognized state boundaries of the State of Maryland. The exclusive franchise
permits the CMO to provide medical contract management services in the
region/territory in accordance with the principles and business plans, and
structure of the FRANCHISER's medical contract management business, and network
of practicing physicians as health care providers. As per paragraph 18, any
portion of the TERRITORY not developed by CMO shall revert to FRANCHISER, and
may be sold to a new franchisee or developed by the FRANCHISER at the
FRANCHISER's option as per paragraphs 27 and 31.

3. CONTRACT MANAGEMENT SERVICES. CMO shall provide practice management services
by contract to APs (Associate Physicians), IPs (Independent Physicians), IMCs
(Independent Medical Contractors) and Insurance Companies, Self Insured Parties,
PPOs and other parties in TERRITORY, which TERRITORY shall be defined as
encompassing the contiguous geographic area defined and identified in this
Agreement, by the FRANCHISER, as the TERRITORY, to the exclusion of any
contiguous or tangential geographic area not specifically defined or identified
by FRANCHISER, as within the scope of the TERRITORY subject to this Franchise
Agreement. The contracts for IP, AP, IMC and GENERAL SERVICES shall be provided
by FRANCHISER and all contracts used must be approved by FRANCHISER. FRANCHISER
may change these contracts from time to time. FRANCHISER shall notify CMO in
writing and send the new contract(s) to CMO, at which time CMO shall use the new
contracts for all new IP, AP or IMC's. All fees noted below for the services
provided by CMO under these contracts are set by and must be approved by
FRANCHISER, and may be changed from time to time by FRANCHISER.

      a. IPS. CMO shall provide practice management services by contract to IPs.
An IP is a physician who has his/her own office, overhead and staff. IPs will
receive patient referrals from CMO, but they will also have their own patient
referral base. CMO will provide medical billing, physician quality assessment
and review, marketing to patient groups, marketing to insurance companies for
access to provider contracts, and referrals from APs or other sources. The fee
to CMO from IPs will be 20% of gross collected billings, with a 5% quarterly
rebate to IP based upon achieving quality goals. An IP contract is attached as
Exhibit A. FRANCHISER shall provide CMO with the IP contracts.

      b. APS. CMO shall provide practice management services by contract to APs.
APs are physicians who work for a professional corporation, partnership, sole
proprietorship, limited liability company or other self employed type of
organization, that contracts with the CMO for services. CMO will assist the AP
in organizing the type of organization of the APs. APs will work at a facility
setup by CMO, and support staff are provided by the CMO. CMO shall provide APs
with all support staff, supplies, transcription, basic employment benefits,
office space, medical equipment and other types of services. CMO shall charge
AP's a 55% fee, with a 5% quarterly rebate to AP based on achieving quality
goals. At the CMO's option the quarterly may be immediately rebated to any or
all APs and not withheld. An AP contract is attached as Exhibit B. FRANCHISER
shall provide CMO with the AP contracts.
<PAGE>

      c. IMC. CMO shall provide business management services by contract to
IMCs. IMCs are non-physicians who supply medically related products or services.
CMO will provide medical billing, quality assessment and review, marketing to
patient groups, marketing to insurance companies for access to provider
contracts and referrals from AP's or other sources. There will be no fee to IMC
for these services. The IMC contract is attached as Exhibit C. FRANCHISER shall
provide CMO with IMC contracts.

      d. GENERAL SERVICES. To provide convenience and service for patient
groups, CMO may allow or require IPs or IMCs to sub-license space at a CMO
facility. CMO shall provide a complete set of shared office services to parties
who sub-license space at a CMO facility. The services include clerical support,
utilities, building management, billing, scheduling, and other shared services.
The current fees for these services are set by the FRANCHISER at $125 per square
foot for IPs of CMO and $150 per square foot for IMCs of CMO. The contract for
GENERAL SERVICES is attached as Exhibit D. FRANCHISER shall provide CMO with
GENERAL SERVICES contracts.

4. SITE SELECTION. CMO shall select sites for medical centers in TERRITORY. For
sites selected by CMO outside of TERRITORY, CMO will need express written
permission from FRANCHISER. Sites should be selected so that each site supports
a population of between 100,000 and 200,000 people and will support from 10,000
to 20,000 covered lives. Sites should have high visibility, high traffic count,
adequate parking, and be at reasonable distance from hospitals where APs and IPs
practice.

5. SITE LEASING. CMO shall negotiate leases for each site. CMO typically should
not have ownership of sites, but should encourage leasing sites owned by its
members or related parties. CMO should lease a core center with sufficient space
for between 10-20 APs. APs and IMCs will work in the core center. CMO should
arrange for IPs to lease their own space at or near the center. CMO should lease
sufficient space for sub-licenses (IMCs) including blood testing, radiology,
pharmacy, physical therapy, or other services as may be required. Core center is
estimated to be 15,000 sq. ft. IPs typically will need an additional 35,000 sq.
ft around center. CMO will need to put up a security deposit and build out at
about $45 per sq. ft, and lease furniture, and highly visible signage. All
signage must be expressly approved by FRANCHISER. CMO should arrange for
sub-licensees to pay each sub-licensees own build out expenses.

      a. STATE STATUTES AND LOCAL ORDINANCES. CMO should arrange to conform to
the laws of the given State in which the franchise is to be located regarding
the provision of health care and shall ensure that the site complies with local
ordinances and building codes, and obtain the required permits (i.e. health,
sanitation, building, occupancy and use, driveway, utility and sign permits).

      b. HIRE AND TRAIN EMPLOYEES. CMO will need to hire personnel to staff the
core center to support the APs, IPs and IMCs that will work at the center.
Employees should have experience working at a medical practice and will need to
perform the job functions described in the MANUAL. CMO agrees to terminate the
employment of any employee at the reasonable request of FRANCHISER.

6. PRE-OPENING PURCHASES. CMO shall make Pre-Opening Purchases for each site to
stock it as appropriate for multi-specialty medical center. Such purchases shall
include items such as (but not limited to): office supplies, medical supplies,
leased office furniture, leased medical furniture for exam and procedure rooms,
durable medical equipment, and other items as a medical office may require.


                                       2
<PAGE>

7. FRANCHISE FEE. CMO shall pay FRANCHISER a franchise fee comprised of an
initial payment of $50,000 for the license of the FRANCHISER corporation's
trademark, plus an initial fee of $150,000 for FRANCHISER services, plus a
periodic payment equivalent to 1% of the gross collected billings of the CMO, IP
and AP members for each month, to be paid to FRANCHISER on or by the 20th of
each following month in consideration of FRANCHISER'S continuing support for
CMO's services.

      a. BANKING. CMO shall arrange for all IP, AP and IMC members to have bank
accounts conveniently located for CMO and FRANCHISER for the deposit of moneys
received under CMO contracts. CMO shall also arrange for the monthly debit on
the 15th of each month for fees due CMO from IPs or APs. FRANCHISER can also
arrange to have the fees due FRANCHISER from CMO electronically debited from
CMO's account on the 20th day of each month.


8. PROMOTIONS AND ADVERTISING. CMO shall be obligated under this Franchise
Agreement to use a minimum of five percent (5% ) of its operating budget for
purposes of advertising and promotion. CMO is permitted to form advertising
cooperatives with other franchisees to pool advertising resources. CMO will be
permitted to adjust the advertising and promotional budget with the prior
express written permission of the FRANCHISER. Any and all promotions and
advertising shall be truthful and in accord with the laws regulating insurance
and medical practice, as well as truth in advertising legislation.

      a. MARKETING ASSISTANCE. FRANCHISER shall provide marketing assistance to
CMO including but not limited to: Benefits Testing, Focus Groups, Patient
membership kits, advertising standards and review and approval of all
advertising of CMO. FRANCHISER may provide prepared radio, TV, and newspaper
spots, and may arrange for cooperative advertising dollars from patient groups,
self insured parties and insurance companies. FRANCHISER must provide express
written approval for all CMO advertising to patients. FRANCHISER can withhold
such approval for any reason including non-conformity with the advertising
standards and company image.

      b. MARKETING. FRANCHISER shall, at its own expense, meet with and
negotiate with health insurers, self insured organizations, and other potential
patient groups to develop contracts that refer patients to CMO. FRANCHISER shall
use its best efforts to supply patients for CMO facilities, IPs, APs and IMCs.
FRANCHISER will only work to obtain a quota of 10% of the possible covered lives
in a given region or 12,000 covered lives per site whichever is less. FRANCHISER
will have no obligation to continue marketing for a given region or site after
quota is achieved for more lives. However, FRANCHISER will be responsible to
maintain and renew agreements to maintain cover lives quota.

9. AUDIT. FRANCHISER can audit CMO annually or more often as may required by
Federal or State law or Insurance Company requirements at CMO's expense. Such
audit shall be made available to CMO and its Officers, Directors and
Shareholders as shall be required by law. If any error is found in payments made
to FRANCHISER under paragraph 7, CMO shall pay any such underpayments and a 10%
penalty on underpayments.

      a. EXECUTIVE COMMITTEE. CMO shall have an Executive Committee of Directors
that shall meet at least every other month and have to the power to review the
Audit and take any other action as may be necessary in the ordinary course of
business, and to implement the terms on this contract. CMO shall permit a
representative of FRANCHISER to attend such meetings, upon request.

10. HQM. CMO must use Health Quality Management, Inc. (hereinafter referred to
as HQM) of 5110 Ridgefield Rd., Suite 212, Bethesda, MD, for all medical billing
and reporting services. HQM shall charge a fee of 8% of gross collected billings
as per the HQM contract (attached hereto as an Exhibit) and shall provide the
services as indicated by the contract between CMO and HQM. The HQM contract is
attached as Exhibit E. HQM is owned by several members of the FRANCHISER's
management including P. Steven Macedo, and Michael Macedo.


                                       3
<PAGE>

11. SITE DEVELOPMENT. CMO must develop the site(s) selected by CMO. Sites may be
developed prior to opening of centers by signing APs in area with existing
practices. CMO may need to finance lease of APs in the area to encourage
membership. CMO may use the APs existing locations prior to a center opening or
where there is insufficient space at an existing center. CMO should renovate as
appropriate any existing locations of APs that will be used until a center is
available.

12. RECRUITMENT. CMO must recruit IPs, APs, and IMCs. FRANCHISER will train CMO
for 1 day in recruitment and provide materials, including physician recruitment
brochures, AP brochures, HQM brochures, Invitations, and other materials as
FRANCHISER may decide to provide. FRANCHISER shall hold the copyright on and own
all such recruiting and meeting materials. FRANCHISER shall provide the speech
for recruitment. CMO's Directors will provide a list of invitees for potential
recruitment according the specialty guidelines provided by FRANCHISER. CMO must
maintain correct ratios of physician specialty members as provided by FRANCHISER
in the MANUAL. CMO will send invitations to potential recruits. CMO will hold
series of meetings at local hotels with food and refreshments, a typical cost of
such a meeting is about $2,500, which cost shall be paid by CMO. Potential
recruits will fill in an application and an IP or AP contract.

      a. RECRUITMENT COMMITTEE. CMO shall appoint a series of Directors of CMO
to run the recruitment committee. The committee shall credential potential IPs
and APs according the credentialling guidelines in the MANUAL. Each member so
credentialled shall have the his/her picture taken by CMO and be sent a standard
plaque as determined by the FRANCHISER.

13. OPENING. CMO must open franchise for business within two years of the
signing of this contract or the FRANCHISER may revoke this contract for cause,
as per paragraph 27.

14. STANDARDS COMPLIANCE. The CMO must comply with the standards and quality
manual (hereinafter referred to as "MANUAL") and criteria contained therein as
established by the FRANCHISER. Franchise can be revoked for cause as per
paragraph 27. FRANCHISER alone reserves the sole discretion to make and effect
modifications to the MANUAL, from time to time, and is under an affirmative
obligation to duly notify the CMO of such changes and modifications to the
MANUAL as will have been made by the FRANCHISER to that time. Once so notified
of changes and modifications, the CMO is obligated to comply with such changes
and modifications to the standards and quality manual. CMO shall maintain the
confidentiality of the MANUAL which is confidential and proprietary and shall
not publish or distribute the MANUAL or any portion publicly. FRANCHISER shall
maintain all copyrights on the MANUAL.

      a. QUALITY COMMITTEE. The CMO shall form a quality committee of Directors
including at least 80% licensed physicians to enforce the MANUAL and medical
practice parameters contained therein. The committee must at least annually
submit written recommendations to the FRANCHISER as to any improvements that can
be made or additions to the MANUAL. FRANCHISER may make such changes and act on
such recommendations at its sole discretion. Any and all such changes become the
property of the FRANCHISER.

      b. REGULATORY COMPLIANCE. FRANCHISER will provide CMO with information
necessary for the parties to comply with any laws or regulations applicable to
the services to be provided under this Agreement, including the Employee
Retirement Income Security Act ("ERISA"), Medicare, the Maryland Insurance Code,
the insurance codes and regulations of the particular state in which the CMO
will be conducting business, the Fair Debt Collections Act and the regulations
promulgated under those acts. CMO's compliance with any such laws and
regulations shall be the sole responsibility of CMO, which shall comply with all
such laws and regulations. CMO will obtain and maintain any licenses or
regulatory approvals necessary for it to perform its services under this
Agreement.


                                       4
<PAGE>

      c. REGULATORY COSTS AND FEES. In the event that CMO, the FRANCHISER, the
arrangement established by this Agreements, or any payments for claims for
health services or fees to CMO are subjected to any form of governmental or
regulatory charges, including any premium taxes, insolvency fund fees, guarantee
fund fees, licensing fees or any similar charges, such charges shall be the sole
responsibility of CMO, and CMO shall hold harmless and indemnify the FRANCHISER
from the payment of any such charges.

15. TRADE IDENTIFIERS AND MEMBERSHIP MATERIALS. FRANCHISER agrees to license the
use of its proprietary trademarks, tradenames, service marks, logos, and other
commercial images and identifiers to the CMO, as necessary for commercial and
promotional purposes. As well, any physician or patient membership materials,
including membership kits, newsletters, physician and membership lists,
physician materials, insurance carrier materials, marketing materials, and other
written materials in paper, magnetic, optical or any other media which are
proprietary to the FRANCHISER, but necessary to the CMO, will be provided to the
CMO with permissive use restricted to defined commercial and promotional use in
connection with the promotion and operation of the CMO.

      a. TRADEMARKS AND SERVICE MARKS. The licensing of FRANCHISER trademarks
and service marks is subject to the terms of any licensing agreement between CMO
and FRANCHISER, including the timely payment of any required licensing fees
and/or royalties thereunder. The CMO must use the trademarks and service marks
of the FRANCHISER in the course of the promotion of CMO's business and in the
conduct of business operations, including the administration of health care and
medical services. The CMO must properly employ the trademarks, tradenames,
service marks, logos, and other commercial images and identifiers, so as not to
invalidate the trademark and/or service mark of the FRANCHISER. Trademarks and
service marks must always be employed in commerce whenever the goods or services
of the FRANCHISER are produced, sold, shipped, or promoted for sale in commerce.
Trademarks and service marks must always be employed as proper nouns or
pronouns, and may not be used as verbs, adjectives or adverbs. Wherever a
trademark or service mark appears, it must be accompanied by the proper trade
designation of the "R" in a circle, if a registered trademark, or a superscript
"TM" or "SM" if registration as a trademark or service mark is pending. The CMO
will be provided with specific guidelines for the proper use and protection of
any trademarks, tradenames, service marks, logos, and other commercial images
and identifiers proprietary to the FRANCHISER, and shall receive proper notice
of any changes made to those guidelines during the course of the license term.
Specific guidelines for the use in commerce of trademarks, service marks,
tradenames, logos, and other trade identifiers will be provided to the CMO in
the MANUAL.

      b. COPYRIGHTS AND TRADE SECRETS. The FRANCHISER's materials for CMO
development and the materials for the patient membership kit, newsletters,
physician and membership lists, physician materials, insurance carrier
materials, marketing materials, and other written materials will be provided to
the CMO for restricted use in the business development of the CMO and the
promotion of the CMO and health care and medical services to the patient
membership. These materials are proprietary and confidential to the FRANCHISER
and are subject to protection under the law as copyright and trade secrets. The
use and reproduction of these materials is strictly limited by the express
written permission of the FRANCHISER, and any unauthorized use or reproduction
of these materials is strictly prohibited by law. The CMO will be provided
specific written guidelines in the MANUAL for the use and reproduction of any
materials provided by the FRANCHISER in connection with the Franchise Agreement
between the FRANCHISER and the CMO.

16. RESTRICTIONS ON SERVICES OFFERED. CMO may only offered services as provided
for in this contract, its Exhibits and the MANUAL. CMO shall not offer any other
services or products without express written permission of FRANCHISER.


                                       5
<PAGE>

17. CUSTOMER SERVICE. Customer service guidelines may be set down in MANUAL.
FRANCHISER may conduct periodic customer surveys to verify customer service
goals are being met. FRANCHISER may request termination of particular IP(s),
AP(s) or site(s) if there are excessive malpractice claims or patient
dissatisfaction, as determined by FRANCHISER. The CMO is under an affirmative
obligation to promptly notify the FRANCHISER of any and all medical malpractice
claims involving CMO and/or physicians under the CMO. CMO is also under an
affirmative obligation to notify the FRANCHISER of customer service and consumer
complaints, incidences of patient dissatisfaction, and other claims, as well as
any remedial steps taken toward resolution of complaints and patient
dissatisfaction. CMO and FRANCHISER will also implement practice policy
regarding the recording and reporting of patient dissatisfaction and consumer
complaints and the resolution of such incidences, including dispute resolution
policy and guidelines to be followed by CMO. The CMO must notify the FRANCHISER
of any such claims, complaints or problems within 15 business days of the date
that the CMO is first notified or made aware of the claims, complaints or
problems. If CMO is not able to solve the excessive malpractice claims problems
or persistent customer service problems within one year of notification under
this paragraph, a franchise can be revoked for cause as per paragraph 27.

18. TERRITORIAL DEVELOPMENT. CMO must uses its best efforts to develop the
TERRITORY assigned to CMO as per paragraph 2. CMO must recruit 100 doctors as
IPs or APs within two years. FRANCHISER may notify CMO in writing to develop a
portion of the TERRITORY CMO has not developed. Upon written notification CMO
must develop that portion of the TERRITORY within two years. If can not provide
a full service network of IPs and APs suitable of supporting 10% of the
potential covered lives in that portion of the TERRITORY within 2 year of
notification, FRANCHISER can revoke that portion of the TERRITORY from paragraph
2, with cause for not developing, as per paragraph 27.

19. AP SUPPORT. Ongoing purchases are required to support APs in suitable manner
for local practice conditions. A majority of the APs at a given site may notify
FRANCHISER with a specific list of problems that the APs are not being supported
in a suitable manner. FRANCHISER may than notify of the problems and CMO shall
be given 60 days to cure the problem(s). If the CMO does not cure the problems
and 2/3 of the APs at the site approve, the FRANCHISER may revoke the franchise
for that site as per paragraph 27, and the site may be purchased or re-sold as
per paragraph 31.

20. APPEARANCE AND IMAGE. CMO must maintain each site with appropriate
maintenance as may be specified in the MANUAL. The CMO should remodel each site
appropriate the maintain the image and appearance at least every 10 years,
including paint and carpeting as may be specified in the MANUAL. Each site
should have an appearance and image appropriate for a given region, comparable
to other physician offices in that region.

21. LIABILITY COVERAGE. CMO must maintain adequate public liability,
malpractice, and stop loss insurance coverage, as appropriate for a given
contract, including, but not limited to the following insurance coverage:

      a. Business Property Insurance on a replacement cost basis;

      b. Electronic Data Processing Coverage, including electronic and magnetic
      media coverage;

      c. Public Liability Insurance coverage with minimum limits of not less
      than $1,000,000;

      d. Workers Compensation Coverage on all employees.


                                       6
<PAGE>

      e. Corporate Medical Malpractice coverage with minimum limits of
      $3,000,000 per incident/$5,000,000 aggregate total (or limits to be
      determined by the payors).

      f. Corporate Stop Loss coverage for risk assumed in excess of the
      Physician Quality withold.

      g. Individual Physician's Medical Malpractice coverage with minimum limits
      of not less than $1,000,000 per incident/$3,000,000 aggregate total (or
      limits to be determined by the payors).

      h. Property, Casualty and Workers compensation by physician, wherever
      possible.

      i. Liability coverage for Corporate Officers and Directors.

22. INDEMNIFICATION AND INSURANCE. The CMO shall indemnify the FRANCHISER from
any and all lawsuits and the fullest extent permitted by State or Federal Law.
The FRANCHISER shall be named as an insured party under the CMO's liability and
insurance coverage.

23. CMO DIRECTORS' PARTICIPATION. The Directors of the CMO must personally
participate in recruitment of IPs and APs by inviting potential recruits, and
attending recruitment meetings described in paragraph 12 as reasonable,
necessary and appropriate. Any Director who does not personally participate
shall be considered to be in default. FRANCHISER can request that such
defaulting Director not be nominated for re-election by CMO to its shareholders.
The Directors of the CMO shall include at least 80 % licensed physicians at all
times.

      a. ROTATING DIRECTORSHIPS. CMO shall provide that it will re-elect
approximately one third of its Directors each year to a three year term. This
shall facilitate the stability of the CMO. FRANCHISER shall make available to
CMO, at CMO's option Directors who are experienced in CMO operation to serve on
CMO's board. CMO must make stock in CMO available to said Directors at the same
price as generally offered to other parties.

      b. INDEMNIFICATION. CMO shall indemnify its Directors and Officers to
fullest extent as permitted under CMO's State or Federal Law.

      c. OWNERSHIP. CMO shall make available to all IPs and APs on a regular
basis, as allowed by Federal and State law ownership in CMO. CMO will attempt as
is reasonably possible to limit ownership only to IP or AP physicians or first
degree relatives who will be or are IPs or APs, and avoid selling ownership to
IMC's or non-physicians.

24. RECORDS. FRANCHISER will maintain records on all of the IPs, APs, and IMCs,
including applications and contracts for CMO. FRANCHISER will send contracts on
request to interested IPs, APs and IMCs at CMO's request. FRANCHISER may provide
copies of said applications, and/or abstracts of information from applications
and/or contracts as may be required by Insurance Companies, self health insured
parties, and other patient referral sources to fulfill FRANCHISER's obligations
in paragraph 8b. In the event of termination of this contract both parties are
entitled to copies of the records.

      a. PATIENT RECORDS. CMO will maintain patient records as may be required
to provide services under this contract. All patient records are confidential
information and may not be revealed to other parties without the patient's
consent. CMO will use the patient application form provided by FRANCHISER so
that patient records may be made available to all CMO physicians, MEDI-CEN
physicians and FRANCHISER's franchisees physicians. In the event of termination
under this contract both FRANCHISER and CMO may both retain copies of patient
records.


                                       7
<PAGE>

25. TERM OF AGREEMENT. This Franchise Agreement shall be in full force and
effect for a term of twenty (20) years from the date of execution by the
parties.

26. RENEWAL. The CMO and the FRANCHISER may mutually agree to provide for the
option of a renewal of the Franchise Agreement at the end of the initial period
of twenty (20) years. The FRANCHISER provides for an optional renewal term of
five (5) years at a renewal cost to the CMO of $200,000. Subsequent renewal
options may be exercised with the mutual agreement of the parties for the same
terms and renewal cost of $200,000, per five (5) year renewal.

27. CANCELLATION FOR CAUSE. The franchise can be fully or partially terminated
for cause as outlined in this agreement. The procedure for termination shall be
as follows:

      A. ARBITRATION. Disputes between he parties shall be resolved by
arbitration. In the event any dispute relating to this agreement arises between
CMO and FRANCHISER, the parties shall meet and confer in good faith in an
attempt to resolve the dispute. If the dispute is not resolved within 30 days
after the date the parties first met to discuss it, and a party wishes to
further pursue the dispute, the party shall refer the dispute to arbitration on
an expedited basis by the American Arbitration Association. In no event may the
arbitration be initiated more than one year after the date a party first gave
written notice to the other party regarding the existence of the dispute. The
arbitration shall be held in Rockville, Maryland under the commercial
arbitration rules of the American Arbitration Association. The arbitrators shall
have no power to award any punitive or exemplary damages or to ignore the terms
of this contract and shall be bound by controlling Maryland and federal law. In
the event that arbitration fails to resolve a dispute between the parties, after
arbitration has been fully concluded, either party may seek a judicial review of
the matter submitted to arbitration.

      B. REMEDIES. In the event of a material breach of this contract as
      determined by an arbitrator:

            (i) A party in breach of this contract, as determined by an
      arbitrator, shall cure such breach within 30 days of an arbitrator's
      decision without the need for any action by the other party.

            (ii) The parties agree that a breach or default will cause
      irreparable and continuing harm to the other party, for which there is not
      adequate remedy at law. The party not in breach of the contract shall be
      entitled to temporary or permanent inductive relief, and to judgment for
      damages caused by the breach, and any other legal or equitable remedies
      provided by applicable law or at equity, provide the contract to arbitrate
      is first complied with.

      C. TERMINATION. If either party is in material and substantial default or
breach by the other party as determined by the arbitrator then the franchise
rights may be fully or partially terminated as provided for in this agreement.
Such termination shall be effective 30 days after written notice specifying the
default, as determined by an arbitrator has been given to the defaulting party,
unless the default has been cured before the end of the 30 day period.

28. ASSIGNMENT. The CMO may only assign, transfer or sell this contract with
express written permission from the FRANCHISER. The FRANCHISER may freely assign
or transfer this contract at its discretion. The contract shall be binding upon
and inure to the benefit of the parties hereto and their respective successors
and such assigns as are authorized in writing by the parties.


                                       8
<PAGE>

29. TRANSFER. While CMO may not transfer contract without FRANCHISER approval,
CMO may be a public company and have freely tradable stock. If will not be
considered a transfer when the ownership of CMO changes due to trades in its
common stock on a public market.

30. POST TERMINATION. Upon termination of the franchise relationship between
FRANCHISER and CMO, the CMO may not compete with the FRANCHISER or any
franchisee thereof within the TERRITORY for a period of three (3) years
following termination of the franchise relationship. The CMO may not compete
with the FRANCHISER or any other franchisee thereof by engaging in the subject
business of the franchise relationship within a radius of twenty (20) miles of
any center previously operated by the CMO under the franchise relationship.

      Following termination of the franchise relationship, the CMO must return
any and all literature and confidential records, and must maintain the
confidentiality of all records, information and trade secrets which may be
construed as proprietary including the MANUAL to the FRANCHISER. Upon
termination, CMO must cease any and all use of tradenames, trademarks, service
marks, logos, corporate identifiers, any promotional and advertising copy in any
medium, and any and all proprietary materials of the FRANCHISER protected under
copyright and other laws as intellectual property, and CMO must desist from any
further or future use of said tradenames, trademarks, service marks, logos,
corporate identifiers, any promotional and advertising copy in any medium, and
any and all proprietary materials of the FRANCHISER protected under copyright
and other laws as intellectual property.

31. RIGHTS OF APPRAISAL. In the event of non-renewal or termination of a
franchise or a portion of a franchise, FRANCHISER may have the CMO assets
independently appraised and may purchase or resell the franchise or portion of
the franchise to a new purchaser, at the sole discretion of the FRANCHISER. If
CMO and FRANCHISER can not agree on an independent appraiser then an arbitrator
pursuant to 27a may determine the proper appraisal.

32. RIGHT OF FIRST REFUSAL. If any party tries to purchase CMO or a substantial
portion of CMO, the FRANCHISER shall have right of first refusal. CMO must
submit the proposed sale and the CMO's buyer's information to FRANCHISER. Within
30 days FRANCHISER may match the offer or find an alternative buyer to match the
offer. If the FRANCHISER or FRANCHISER's buyer does not match the offer in 30
days the CMO may sell the business or portion to CMO's buyer. Whether or not
FRANCHISER's offer matches or exceeds another proposed offer, if disputed by the
parties, shall be subject to arbitration, as provided in paragraph 27 of this
Agreement.

33. ENTIRE AGREEMENT. This is the entire agreement between the parties and no
other oral or written representations or agreements have been made between the
parties. This agreement cannot be amended or changed except by writing consented
to and signed by both parties and attached hereto.

      A. NOTICES. All notices required or permitted under this contract shall be
in writing and shall be deemed given when delivered in person or when sent via
registered or certified U.S. Mail, return receipt requested, via courier, or via
facsimile transmission to the addresses and parties set forth herein, or to such
other address of which any party hereto may from time to time have been notified
by the other in compliance with the notice provisions within this contract.

      B. SEVERABILITY. If any provision of this contract is held or deemed to be
invalid , unenforceable, void or voidable to any extent when applied to any
person, party, or circumstance, then that provision may be severed and the
remaining provisions of the contract and the enforcement of such provisions to
other parties, persons or circumstances, shall not be affected thereby. Each
provision of this contract shall be enforced to the fullest extent allowed by
law.

      C. RELATIONSHIP. The relationship between the parties is solely one of
independent contractors and nothing in this contract shall be construed or
deemed to create any other relationship between the parties, including one of
employment, agency, joint venture, or fee splitting arrangements.


                                       9
<PAGE>

34. CHOICE OF FORUM. If any dispute under this contract to be pursued in a court
of law, the choice of forum shall be the Federal District Court of Maryland.


35. GOVERNING LAW. This contract shall be governed by and construed in
accordance with the laws of the State of Maryland, except that the Conflicts of
Laws Rules shall not apply.


36. EFFECTIVE DATE. The Effective date of this Agreement shall be the date of
execution, or the date of approval by the CMO's Board of Directors, whichever
occurs later.


                                   SIGNATURES

Executed this 3rd day of June, 1995.



/s/ P.S.F. Macedo, Director
- ----------------------------------------------------------
For: FRANCHISER



/s/ Jonathan Musher, VP
- ----------------------------------------------------------
For: CMO


                                       10



                             CMO FRANCHISE CONTRACT

1. PARTIES. MEDI-CEN, CORP. OF AMERICA, a Maryland corporation with a business
address of 5530 Wisconsin Ave., Suite 1045, Chevy Chase, MD 20815 (hereinafter,
"FRANCHISOR"), and MEDI-CEN, CORP. OF VIRGINIA, a Virginia corporation with a
business address of 5530 Wisconsin Ave., Suite 1045, Chevy Chase, MD 20815
(hereinafter, "Contract Management Organization" or "CMO").

2. TERRITORY. FRANCHISOR agrees to grant an exclusive franchise for Medical
Contract Management Organization services to CMO in the TERRITORY within the
recognized state boundaries of VIRGINIA. The exclusive franchise permits the CMO
to provide medical contract management services in the region/territory in
accordance with the principles and business plans, and structure of the
FRANCHISOR's medical contract management business, and network of practicing
physicians as health care providers. As per paragraph 18, any portion of the
TERRITORY not developed by CMO shall revert to FRANCHISOR, and may be sold to a
new franchisee or developed by the FRANCHISOR at the FRANCHISOR's option as per
paragraphs 27 and 31.

3. CONTRACT MANAGEMENT SERVICES. CMO shall provide practice management services
by contract to APs (Associate Physicians), IPs (Independent Physicians), IMCs
(Independent Medical Contractors) and Insurance Companies, Self Insured Parties,
PPOs and other parties in TERRITORY, which TERRITORY shall be defined as
encompassing the contiguous geographic area defined and identified in this
Agreement, by the FRANCHISOR, as the TERRITORY, to the exclusion of any
contiguous or tangential geographic area not specifically defined or identified
by FRANCHISOR, as within the scope of the TERRITORY subject to this Franchise
Agreement. The contracts for IP, AP, IMC and GENERAL SERVICES shall be provided
by FRANCHISOR and all contracts used must be approved by FRANCHISOR. FRANCHISOR
may change these contracts from time to time. FRANCHISOR shall notify CMO in
writing and send the new contract(s) to CMO, at which time CMO shall use the new
contracts for all new IP, AP or IMC's. All fees noted below for the services
provided by CMO under these contracts are set by and must be approved by
FRANCHISOR, and may be changed from time to time by FRANCHISOR.

      a. IPS. CMO shall provide practice management services by contract to IPs.
An IP is a physician who has his/her own office, overhead and staff. IPs will
receive patient referrals from CMO, but they will also have their own patient
referral base. CMO will provide medical billing, physician quality assessment
and review, marketing to patient groups, marketing to insurance companies for
access to provider contracts, and referrals from APs or other sources. The fee
to CMO from IPs will be 20% of gross collected billings, with a 5% quarterly
rebate to IP based upon achieving quality goals. An IP contract is attached as
Exhibit A. FRANCHISOR shall provide CMO with the IP contracts.

      b. APS. CMO shall provide practice management services by contract to APs.
APs are physicians who work for a professional corporation, partnership, sole
proprietorship, limited liability company or other self employed type of
organization, that contracts with the CMO for services. CMO will assist the AP
in organizing the type of organization of the APs. APs will work at a facility
setup by CMO, and support staff are provided by the CMO. CMO shall provide APs
with all support staff, supplies, transcription, basic employment benefits,
office space, medical equipment and other types of services. CMO shall charge
AP's a 55% fee, with a 5% quarterly rebate to AP based on achieving quality
goals. At the CMO's option the quarterly may be immediately rebated to any or
all APs and not withheld. An AP contract is attached as Exhibit B. FRANCHISOR
shall provide CMO with the AP contracts.

      c. IMC. CMO shall provide business management services by contract to
IMCs. IMCs are non-physicians who supply medically related products or services.
CMO will provide medical billing, quality assessment and review, marketing to
patient groups, marketing to insurance companies for access to provider
contracts and referrals from APs or other sources. There will be no fee to IMC
for these services. The IMC contract is attached as Exhibit C. FRANCHISOR shall
provide CMO with IMC contracts.
<PAGE>

      d. GENERAL SERVICES. To provide convenience and service for patient
groups, CMO may allow or require IPs or IMCs to sub-license space at a CMO
facility. CMO shall provide a complete set of shared office services to parties
who sub-license space at a CMO facility. The services include clerical support,
utilities, building management, billing, scheduling, and other shared services.
The current fees for these services are set by the FRANCHISOR at $125 per square
foot for IPs of CMO and $150 per square foot for IMCs of CMO. The contract for
GENERAL SERVICES is attached as Exhibit D. FRANCHISOR shall provide CMO with
GENERAL SERVICES contracts.

4. SITE SELECTION. CMO shall select sites for medical centers in TERRITORY. For
sites selected by CMO outside of TERRITORY, CMO will need express written
permission from FRANCHISOR. Sites should be selected so that each site supports
a population of between 100,000 and 200,000 people and will support from 10,000
to 20,000 covered lives. Sites should have high visibility, high traffic count,
adequate parking, and be at reasonable distance from hospitals where APs and IPs
practice.

5. SITE LEASING. CMO shall negotiate leases for each site. CMO typically should
not have ownership of sites, but should encourage leasing sites owned by its
members or related parties. CMO should lease a core center with sufficient space
for between 10-20 APs. APs and IMCs will work in the core center. CMO should
arrange for IPs to lease their own space at or near the center. CMO should lease
sufficient space for sub-licenses (IMCs) including blood testing, radiology,
pharmacy, physical therapy, or other services as may be required. Core center is
estimated to be 15,000 sq. ft. IPs typically will need an additional 35,000 sq.
ft around center. CMO will need to put up a security deposit and build out at
about $45 per sq. ft, and lease furniture, and highly visible signage. All
signage must be expressly approved by FRANCHISOR. CMO should arrange for
sub-licensees to pay each sub-licensees own build out expenses.

      a. STATE STATUTES AND LOCAL ORDINANCES. CMO should arrange to conform to
the laws of the given State in which the franchise is to be located regarding
the provision of health care and shall ensure that the site complies with local
ordinances and building codes, and obtain the required permits (i.e. health,
sanitation, building, occupancy and use, driveway, utility and sign permits).

      b. HIRE AND TRAIN EMPLOYEES. CMO will need to hire personnel to staff the
core center to support the APs, IPs and IMCs that will work at the center.
Employees should have experience working at a medical practice and will need to
perform the job functions described in the MANUAL. CMO agrees to terminate the
employment of any employee at the reasonable request of FRANCHISOR.

6. PRE-OPENING PURCHASES. CMO shall make Pre-Opening Purchases for each site to
stock it as appropriate for multi-specialty medical center. Such purchases shall
include items such as (but not limited to): office supplies, medical supplies,
leased office furniture, leased medical furniture for exam and procedure rooms,
durable medical equipment, and other items as a medical office may require.

7. FRANCHISE FEE. CMO shall pay FRANCHISOR a franchise fee comprised of an
initial payment of $50,000 for the license of the FRANCHISOR corporation's
trademark, plus an initial fee of $150,000 for FRANCHISOR services, plus a
periodic payment equivalent to 1% of the gross collected billings of the CMO, IP
and AP members for each month, to be paid to FRANCHISOR on or by the 20th of
each following month in consideration of FRANCHISOR'S continuing support for
CMO's services.

      a. BANKING. CMO shall arrange for all IP, AP and IMC members to have bank
accounts conveniently located for CMO and FRANCHISOR for the deposit of moneys
received under CMO contracts. CMO shall also arrange for the monthly debit on
the 15th of each month for fees due CMO from IPs or APs. FRANCHISOR can also
arrange to have the fees due FRANCHISOR from CMO electronically debited from
CMO's account on the 20th day of each month.


                                       2
<PAGE>

8. PROMOTIONS AND ADVERTISING. CMO shall be obligated under this Franchise
Agreement to use a minimum of five percent (5%) of its operating budget for
purposes of advertising and promotion. CMO is permitted to form advertising
cooperatives with other franchisees to pool advertising resources. CMO will be
permitted to adjust the advertising and promotional budget with the prior
express written permission of the FRANCHISOR. Any and all promotions and
advertising shall be truthful and in accord with the laws regulating insurance
and medical practice, as well as truth in advertising legislation.

      a. MARKETING ASSISTANCE. FRANCHISOR shall provide marketing assistance to
CMO including but not limited to: Benefits Testing, Focus Groups, Patient
membership kits, advertising standards and review and approval of all
advertising of CMO. FRANCHISOR may provide prepared radio, TV, and newspaper
spots, and may arrange for cooperative advertising dollars from patient groups,
self insured parties and insurance companies. FRANCHISOR must provide express
written approval for all CMO advertising to patients. FRANCHISOR can withhold
such approval for any reason including non-conformity with the advertising
standards and company image.

      b. MARKETING. FRANCHISOR shall, at its own expense, meet with and
negotiate with health insurers, self insured organizations, and other potential
patient groups to develop contracts that refer patients to CMO. FRANCHISOR shall
use its best efforts to supply patients for CMO facilities, IPs, APs and IMCs.
FRANCHISOR will only work to obtain a quota of 10% of the possible covered lives
in a given region or 12,000 covered lives per site whichever is less. FRANCHISOR
will have no obligation to continue marketing for a given region or site after
quota is achieved for more lives. However, FRANCHISOR will be responsible to
maintain and renew agreements to maintain cover lives quota.

9. AUDIT. FRANCHISOR can audit CMO annually or more often as may required by
Federal or State law or Insurance Company requirements at CMO's expense. Such
audit shall be made available to CMO and its Officers, Directors and
Shareholders as shall be required by law. If any error is found in payments made
to FRANCHISOR under paragraph 7, CMO shall pay any such underpayments and a 10%
penalty on underpayments.

      a. EXECUTIVE COMMITTEE. CMO shall have an Executive Committee of Directors
that shall meet at least every other month and have to the power to review the
Audit and take any other action as may be necessary in the ordinary course of
business, and to implement the terms on this contract. CMO shall permit a
representative of FRANCHISOR to attend such meetings, upon request.

10. HQM. CMO must use Health Quality Management, Inc. (hereinafter referred to
as HQM) of 5110 Ridgefield Rd., Suite 212, Bethesda, MD, for all medical billing
and reporting services. HQM shall charge a fee of 8% of gross collected billings
as per the HQM contract (attached hereto as an Exhibit) and shall provide the
services as indicated by the contract between CMO and HQM. The HQM contract is
attached as Exhibit E. HQM is owned by several members of the FRANCHISOR's
management including P. Steven Macedo, and Michael Macedo.

11. SITE DEVELOPMENT. CMO must develop the site(s) selected by CMO. Sites may be
developed prior to opening of centers by signing APs in area with existing
practices. CMO may need to finance lease of APs in the area to encourage
membership. CMO may use the APs existing locations prior to a center opening or
where there is insufficient space at an existing center. CMO should renovate as
appropriate any existing locations of APs that will be used until a center is
available.


                                       3
<PAGE>

12. RECRUITMENT. CMO must recruit IPs, APs, and IMCs. FRANCHISOR will train CMO
for 1 day in recruitment and provide materials, including physician recruitment
brochures, AP brochures, HQM brochures, Invitations, and other materials as
FRANCHISOR may decide to provide. FRANCHISOR shall hold the copyright on and own
all such recruiting and meeting materials. FRANCHISOR shall provide the speech
for recruitment. CMO's Directors will provide a list of invitees for potential
recruitment according the specialty guidelines provided by FRANCHISOR. CMO must
maintain correct ratios of physician specialty members as provided by FRANCHISOR
in the MANUAL. CMO will send invitations to potential recruits. CMO will hold
series of meetings at local hotels with food and refreshments, a typical cost of
such a meeting is about $2,500, which cost shall be paid by CMO. Potential
recruits will fill in an application and an IP or AP contract.

      a. RECRUITMENT COMMITTEE. CMO shall appoint a series of Directors of CMO
to run the recruitment committee. The committee shall credential potential IPs
and APs according the credentialling guidelines in the MANUAL. Each member so
credentialled shall have the his/her picture taken by CMO and be sent a standard
plaque as determined by the FRANCHISOR.

13. OPENING. CMO must open franchise for business within two years of the
signing of this contract or the FRANCHISOR may revoke this contract for cause,
as per paragraph 27.

14. STANDARDS COMPLIANCE. The CMO must comply with the standards and quality
manual (hereinafter referred to as "MANUAL") and criteria contained therein as
established by the FRANCHISOR. Franchise can be revoked for cause as per
paragraph 27. FRANCHISOR alone reserves the sole discretion to make and effect
modifications to the MANUAL, from time to time, and is under an affirmative
obligation to duly notify the CMO of such changes and modifications to the
MANUAL as will have been made by the FRANCHISOR to that time. Once so notified
of changes and modifications, the CMO is obligated to comply with such changes
and modifications to the standards and quality manual. CMO shall maintain the
confidentiality of the MANUAL which is confidential and proprietary and shall
not publish or distribute the MANUAL or any portion publicly. FRANCHISOR shall
maintain all copyrights on the MANUAL.

      a. QUALITY COMMITTEE. The CMO shall form a quality committee of Directors
including at least 80% licensed physicians to enforce the MANUAL and medical
practice parameters contained therein. The committee must at least annually
submit written recommendations to the FRANCHISOR as to any improvements that can
be made or additions to the MANUAL. FRANCHISOR may make such changes and act on
such recommendations at its sole discretion. Any and all such changes become the
property of the FRANCHISOR.

      b. REGULATORY COMPLIANCE. FRANCHISOR will provide CMO with information
necessary for the parties to comply with any laws or regulations applicable to
the services to be provided under this Agreement, including the Employee
Retirement Income Security Act ("ERISA"), Medicare, the Maryland Insurance Code,
the insurance codes and regulations of the particular state in which the CMO
will be conducting business, the Fair Debt Collections Act and the regulations
promulgated under those acts. CMO's compliance with any such laws and
regulations shall be the sole responsibility of CMO, which shall comply with all
such laws and regulations. CMO will obtain and maintain any licenses or
regulatory approvals necessary for it to perform its services under this
Agreement.

      c. REGULATORY COSTS AND FEES. In the event that CMO, the FRANCHISOR, the
arrangement established by this Agreements, or any payments for claims for
health services or fees to CMO are subjected to any form of governmental or
regulatory charges, including any premium taxes, insolvency fund fees, guarantee
fund fees, licensing fees or any similar charges, such charges shall be the sole
responsibility of CMO, and CMO shall hold harmless and indemnify the FRANCHISOR
from the payment of any such charges.


                                       4
<PAGE>

15. TRADE IDENTIFIERS AND MEMBERSHIP MATERIALS. FRANCHISOR agrees to license the
use of its proprietary trademarks, tradenames, service marks, logos, and other
commercial images and identifiers to the CMO, as necessary for commercial and
promotional purposes. As well, any physician or patient membership materials,
including membership kits, newsletters, physician and membership lists,
physician materials, insurance carrier materials, marketing materials, and other
written materials in paper, magnetic, optical or any other media which are
proprietary to the FRANCHISOR, but necessary to the CMO, will be provided to the
CMO with permissive use restricted to defined commercial and promotional use in
connection with the promotion and operation of the CMO.

      a. TRADEMARKS AND SERVICE MARKS. The licensing of FRANCHISOR trademarks
and service marks is subject to the terms of any licensing agreement between CMO
and FRANCHISOR, including the timely payment of any required licensing fees
and/or royalties thereunder. The CMO must use the trademarks and service marks
of the FRANCHISOR in the course of the promotion of CMO's business and in the
conduct of business operations, including the administration of health care and
medical services. The CMO must properly employ the trademarks, tradenames,
service marks, logos, and other commercial images and identifiers, so as not to
invalidate the trademark and/or service mark of the FRANCHISOR. Trademarks and
service marks must always be employed in commerce whenever the goods or services
of the FRANCHISOR are produced, sold, shipped, or promoted for sale in commerce.
Trademarks and service marks must always be employed as proper nouns or
pronouns, and may not be used as verbs, adjectives or adverbs. Wherever a
trademark or service mark appears, it must be accompanied by the proper trade
designation of the "R" in a circle, if a registered trademark, or a superscript
"TM" or "SM" if registration as a trademark or service mark is pending. The CMO
will be provided with specific guidelines for the proper use and protection of
any trademarks, tradenames, service marks, logos, and other commercial images
and identifiers proprietary to the FRANCHISOR, and shall receive proper notice
of any changes made to those guidelines during the course of the license term.
Specific guidelines for the use in commerce of trademarks, service marks,
tradenames, logos, and other trade identifiers will be provided to the CMO in
the MANUAL.

      b. COPYRIGHTS AND TRADE SECRETS. The FRANCHISOR's materials for CMO
development and the materials for the patient membership kit, newsletters,
physician and membership lists, physician materials, insurance carrier
materials, marketing materials, and other written materials will be provided to
the CMO for restricted use in the business development of the CMO and the
promotion of the CMO and health care and medical services to the patient
membership. These materials are proprietary and confidential to the FRANCHISOR
and are subject to protection under the law as copyright and trade secrets. The
use and reproduction of these materials is strictly limited by the express
written permission of the FRANCHISOR, and any unauthorized use or reproduction
of these materials is strictly prohibited by law. The CMO will be provided
specific written guidelines in the MANUAL for the use and reproduction of any
materials provided by the FRANCHISOR in connection with the Franchise Agreement
between the FRANCHISOR and the CMO.

16. RESTRICTIONS ON SERVICES OFFERED. CMO may only offered services as provided
for in this contract, its Exhibits and the MANUAL. CMO shall not offer any other
services or products without express written permission of FRANCHISOR.


                                       5
<PAGE>

17. CUSTOMER SERVICE. Customer service guidelines may be set down in MANUAL.
FRANCHISOR may conduct periodic customer surveys to verify customer service
goals are being met. FRANCHISOR may request termination of particular IP(s),
AP(s) or site(s) if there are excessive malpractice claims or patient
dissatisfaction, as determined by FRANCHISOR. The CMO is under an affirmative
obligation to promptly notify the FRANCHISOR of any and all medical malpractice
claims involving CMO and/or physicians under the CMO. CMO is also under an
affirmative obligation to notify the FRANCHISOR of customer service and consumer
complaints, incidences of patient dissatisfaction, and other claims, as well as
any remedial steps taken toward resolution of complaints and patient
dissatisfaction. CMO and FRANCHISOR will also implement practice policy
regarding the recording and reporting of patient dissatisfaction and consumer
complaints and the resolution of such incidences, including dispute resolution
policy and guidelines to be followed by CMO. The CMO must notify the FRANCHISOR
of any such claims, complaints or problems within 15 business days of the date
that the CMO is first notified or made aware of the claims, complaints or
problems. If CMO is not able to solve the excessive malpractice claims problems
or persistent customer service problems within one year of notification under
this paragraph, a franchise can be revoked for cause as per paragraph 27.

18. TERRITORIAL DEVELOPMENT. CMO must uses its best efforts to develop the
TERRITORY assigned to CMO as per paragraph 2. CMO must recruit 100 doctors as
IPs or APs within two years. FRANCHISOR may notify CMO in writing to develop a
portion of the TERRITORY CMO has not developed. Upon written notification CMO
must develop that portion of the TERRITORY within two years. If can not provide
a full service network of IPs and APs suitable of supporting 10% of the
potential covered lives in that portion of the TERRITORY within 2 year of
notification, FRANCHISOR can revoke that portion of the TERRITORY from paragraph
2, with cause for not developing, as per paragraph 27.

19. AP SUPPORT. Ongoing purchases are required to support APs in suitable manner
for local practice conditions. A majority of the APs at a given site may notify
FRANCHISOR with a specific list of problems that the APs are not being supported
in a suitable manner. FRANCHISOR may than notify of the problems and CMO shall
be given 60 days to cure the problem(s). If the CMO does not cure the problems
and 2/3 of the APs at the site approve, the FRANCHISOR may revoke the franchise
for that site as per paragraph 27, and the site may be purchased or re-sold as
per paragraph 31.

20. APPEARANCE AND IMAGE. CMO must maintain each site with appropriate
maintenance as may be specified in the MANUAL. The CMO should remodel each site
appropriate the maintain the image and appearance at least every 10 years,
including paint and carpeting as may be specified in the MANUAL. Each site
should have an appearance and image appropriate for a given region, comparable
to other physician offices in that region.

21. LIABILITY COVERAGE. CMO must maintain adequate public liability,
malpractice, and stop loss insurance coverage, as appropriate for a given
contract, including, but not limited to the following insurance coverage:

      a. Business Property Insurance on a replacement cost basis;

      b. Electronic Data Processing Coverage, including electronic and magnetic
      media coverage;

      c. Public Liability Insurance coverage with minimum limits of not less
      than $1,000,000;

      d. Workers Compensation Coverage on all employees.

      e. Corporate Medical Malpractice coverage with minimum limits of
      $3,000,000 per incident/$5,000,000 aggregate total (or limits to be
      determined by the payors).

      f. Corporate Stop Loss coverage for risk assumed in excess of the
      Physician Quality withold.


                                       6
<PAGE>

      g. Individual Physician's Medical Malpractice coverage with minimum limits
      of not less than $1,000,000 per incident/$3,000,000 aggregate total (or
      limits to be determined by the payors).

      h. Property, Casualty and Workers compensation by physician, wherever
      possible.

      i. Liability coverage for Corporate Officers and Directors.

22. INDEMNIFICATION AND INSURANCE. The CMO shall indemnify the FRANCHISOR from
any and all lawsuits and the fullest extent permitted by State or Federal Law.
The FRANCHISOR shall be named as an insured party under the CMO's liability and
insurance coverage.

23. CMO DIRECTORS' PARTICIPATION. The Directors of the CMO must personally
participate in recruitment of IPs and APs by inviting potential recruits, and
attending recruitment meetings described in paragraph 12 as reasonable,
necessary and appropriate. Any Director who does not personally participate
shall be considered to be in default. FRANCHISOR can request that such
defaulting Director not be nominated for re-election by CMO to its shareholders.
The Directors of the CMO shall include at least 80% licensed physicians at all
times.

      a. ROTATING DIRECTORSHIPS. CMO shall provide that it will re-elect
approximately one third of its Directors each year to a three year term. This
shall facilitate the stability of the CMO. FRANCHISOR shall make available to
CMO, at CMO's option Directors who are experienced in CMO operation to serve on
CMO's board. CMO must make stock in CMO available to said Directors at the same
price as generally offered to other parties.

      b. INDEMNIFICATION. CMO shall indemnify its Directors and Officers to
fullest extent as permitted under CMO's State or Federal Law.

      c. OWNERSHIP. CMO shall make available to all IPs and APs on a regular
basis, as allowed by Federal and State law ownership in CMO. CMO will attempt as
is reasonably possible to limit ownership only to IP or AP physicians or first
degree relatives who will be or are IPs or APs, and avoid selling ownership to
IMC's or non-physicians.

24. RECORDS. FRANCHISOR will maintain records on all of the IPs, APs, and IMCs,
including applications and contracts for CMO. FRANCHISOR will send contracts on
request to interested IPs, APs and IMCs at CMO's request. FRANCHISOR may provide
copies of said applications, and/or abstracts of information from applications
and/or contracts as may be required by Insurance Companies, self health insured
parties, and other patient referral sources to fulfill FRANCHISOR's obligations
in paragraph 8b. In the event of termination of this contract both parties are
entitled to copies of the records.

      a. PATIENT RECORDS. CMO will maintain patient records as may be required
to provide services under this contract. All patient records are confidential
information and may not be revealed to other parties without the patient's
consent. CMO will use the patient application form provided by FRANCHISOR so
that patient records may be made available to all CMO physicians, MEDI-CEN
physicians and FRANCHISOR's franchisees physicians. In the event of termination
under this contract both FRANCHISOR and CMO may both retain copies of patient
records.

25. TERM OF AGREEMENT. This Franchise Agreement shall be in full force and
effect for a term of twenty (20) years from the date of execution by the
parties.

26. RENEWAL. The CMO and the FRANCHISOR may mutually agree to provide for the
option of a renewal of the Franchise Agreement at the end of the initial period
of twenty (20) years. The FRANCHISOR provides for an optional renewal term of
five (5) years at a renewal cost to the CMO of $200,000. Subsequent renewal
options may be exercised with the mutual agreement of the parties for the same
terms and renewal cost of $200,000, per five (5) year renewal.


                                       7
<PAGE>

27. CANCELLATION FOR CAUSE. The franchise can be fully or partially terminated
for cause as outlined in this agreement. The procedure for termination shall be
as follows:

      A. ARBITRATION. Disputes between he parties shall be resolved by
arbitration. In the event any dispute relating to this agreement arises between
CMO and FRANCHISOR, the parties shall meet and confer in good faith in an
attempt to resolve the dispute. If the dispute is not resolved within 30 days
after the date the parties first met to discuss it, and a party wishes to
further pursue the dispute, the party shall refer the dispute to arbitration on
an expedited basis by the American Arbitration Association. In no event may the
arbitration be initiated more than one year after the date a party first gave
written notice to the other party regarding the existence of the dispute. The
arbitration shall be held in Rockville, Maryland under the commercial
arbitration rules of the American Arbitration Association. The arbitrators shall
have no power to award any punitive or exemplary damages or to ignore the terms
of this contract and shall be bound by controlling Maryland and federal law. In
the event that arbitration fails to resolve a dispute between the parties, after
arbitration has been fully concluded, either party may seek a judicial review of
the matter submitted to arbitration.

      B. REMEDIES. In the event of a material breach of this contract as
      determined by an arbitrator:

            (i)   A party in breach of this contract, as determined by an
                  arbitrator, shall cure such breach within 30 days of an
                  arbitrator's decision without the need for any action by the
                  other party.

            (ii)  The parties agree that a breach or default will cause
                  irreparable and continuing harm to the other party, for which
                  there is not adequate remedy at law. The party not in breach
                  of the contract shall be entitled to temporary or permanent
                  inductive relief, and to judgment for damages caused by the
                  breach, and any other legal or equitable remedies provided by
                  applicable law or at equity, provide the contract to arbitrate
                  is first complied with.

      C. TERMINATION. If either party is in material and substantial default or
breach by the other party as determined by the arbitrator then the franchise
rights may be fully or partially terminated as provided for in this agreement.
Such termination shall be effective 30 days after written notice specifying the
default, as determined by an arbitrator has been given to the defaulting party,
unless the default has been cured before the end of the 30 day period.

28. ASSIGNMENT. The CMO may only assign, transfer or sell this contract with
express written permission from the FRANCHISOR. The FRANCHISOR may freely assign
or transfer this contract at its discretion. The contract shall be binding upon
and inure to the benefit of the parties hereto and their respective successors
and such assigns as are authorized in writing by the parties.

29. TRANSFER. While CMO may not transfer contract without FRANCHISOR approval,
CMO may be a public company and have freely tradable stock. If will not be
considered a transfer when the ownership of CMO changes due to trades in its
common stock on a public market.

30. POST TERMINATION. Upon termination of the franchise relationship between
FRANCHISOR and CMO, the CMO may not compete with the FRANCHISOR or any
franchisee thereof within the TERRITORY for a period of three (3) years
following termination of the franchise relationship. The CMO may not compete
with the FRANCHISOR or any other franchisee thereof by engaging in the subject
business of the franchise relationship within a radius of twenty (20) miles of
any center previously operated by the CMO under the franchise relationship.


                                       8
<PAGE>

      Following termination of the franchise relationship, the CMO must return
any and all literature and confidential records, and must maintain the
confidentiality of all records, information and trade secrets which may be
construed as proprietary including the MANUAL to the FRANCHISOR. Upon
termination, CMO must cease any and all use of tradenames, trademarks, service
marks, logos, corporate identifiers, any promotional and advertising copy in any
medium, and any and all proprietary materials of the FRANCHISOR protected under
copyright and other laws as intellectual property, and CMO must desist from any
further or future use of said tradenames, trademarks, service marks, logos,
corporate identifiers, any promotional and advertising copy in any medium, and
any and all proprietary materials of the FRANCHISOR protected under copyright
and other laws as intellectual property.

31. RIGHTS OF APPRAISAL. In the event of non-renewal or termination of a
franchise or a portion of a franchise, FRANCHISOR may have the CMO assets
independently appraised and may purchase or resell the franchise or portion of
the franchise to a new purchaser, at the sole discretion of the FRANCHISOR. If
CMO and FRANCHISOR can not agree on an independent appraiser then an arbitrator
pursuant to 27a may determine the proper appraisal.

32. RIGHT OF FIRST REFUSAL. If any party tries to purchase CMO or a substantial
portion of CMO, the FRANCHISOR shall have right of first refusal. CMO must
submit the proposed sale and the CMO's buyer's information to FRANCHISOR. Within
30 days FRANCHISOR may match the offer or find an alternative buyer to match the
offer. If the FRANCHISOR or FRANCHISOR's buyer does not match the offer in 30
days the CMO may sell the business or portion to CMO's buyer. Whether or not
FRANCHISOR's offer matches or exceeds another proposed offer, if disputed by the
parties, shall be subject to arbitration, as provided in paragraph 27 of this
Agreement.

33. ENTIRE AGREEMENT. This is the entire agreement between the parties and no
other oral or written representations or agreements have been made between the
parties. This agreement cannot be amended or changed except by writing consented
to and signed by both parties and attached hereto.

      A. NOTICES. All notices required or permitted under this contract shall be
in writing and shall be deemed given when delivered in person or when sent via
registered or certified U.S. Mail, return receipt requested, via courier, or via
facsimile transmission to the addresses and parties set forth herein, or to such
other address of which any party hereto may from time to time have been notified
by the other in compliance with the notice provisions within this contract.

      B. SEVERABILITY. If any provision of this contract is held or deemed to be
invalid, unenforceable, void or voidable to any extent when applied to any
person, party, or circumstance, then that provision may be severed and the
remaining provisions of the contract and the enforcement of such provisions to
other parties, persons or circumstances, shall not be affected thereby. Each
provision of this contract shall be enforced to the fullest extent allowed by
law.

      C. RELATIONSHIP. The relationship between the parties is solely one of
independent contractors and nothing in this contract shall be construed or
deemed to create any other relationship between the parties, including one of
employment, agency, joint venture, or fee splitting arrangements.

34. CHOICE OF FORUM. If any dispute under this contract to be pursued in a court
of law, the choice of forum shall be the Federal District Court of Maryland.

35. GOVERNING LAW. This contract shall be governed by and construed in
accordance with the laws of the State of Maryland, except that the Conflicts of
Laws Rules shall not apply.

36. EFFECTIVE DATE. The Effective date of this Agreement shall be the date of
execution, or the date of approval by the CMO's Board of Directors, whichever
occurs later.


                                       9
<PAGE>

                                   SIGNATURES


Executed this 20th day of February, 1996.




/s/ Bruce Kehr Exec V.P. for Medi-Cen of America
- ----------------------------------------------------------
For: FRANCHISOR



/s/ [ILLEGIBLE]
- -----------------------------------------------------------
For: CMO


                                       10





                              MANAGEMENT AGREEMENT

         THIS  AGREEMENT is made this 1st day of January,  1998,  by and between
MEDI-CEN MANAGEMENT, Inc., a Maryland corporation, having its principal place of
business at 5530  Wisconsin  Avenue,  Suite 1248,  Chevy  Chase,  Maryland  (the
"Management Company"),  and WASHINGTON NEUROLOGY ASSOCIATES,  L.L.P., a Maryland
limited  liability  partnership,  having its principal place of business at 5530
Wisconsin Avenue, Suite 1248, Chevy Chase, Maryland 20815 (the "Partnership").

         WHEREAS, the Partnership has been formed under the laws of the State of
Maryland to render medical and related services to patients of the Partnership;

         WHEREAS,  the Partnership desires to operate a medical practice at 5530
Wisconsin Avenue, Suite 1248, Chevy Chase, Maryland, and at 6188 Oxon Hill Road,
Oxon Hill,  Maryland,  and/or at other locations (the  "Practice") and to obtain
certain management and consulting  services for the Practice from the Management
Company; and

         WHEREAS, the Management Company is ready,  willing, and able to provide
such  management and consulting  services to the  Partnership in connection with
the Practice.

<PAGE>


         NOW THEREFORE,  in  consideration  of the mutual premises and covenants
contained  herein and other good and  valuable  consideration,  the  receipt and
sufficiency  of which are  hereby  acknowledged,  the  parties  hereto  agree as
follows:

1. Representations and Warranties.

         1.1.  Representations  and  Warranties of the Management  Company.  The
Management Company hereby represents and warrants to the Partnership that at all
times during the term of this Agreement, the Management Company is a corporation
duly  organized,  validly  existing and in good  standing  under the laws of the
State of Maryland.

         1.2.  Representations and Warranties of the Partnership The Partnership
hereby  represents  and  warrants to the  Management  Company  that at all times
during the term of this Agreement:

          (a) The  Partnership  is a limited  liability  partnership  organized,
     validly  existing  and in good  standing  under  the  laws of the  State of
     Maryland and is duly licensed and qualified  under all applicable  laws and
     regulations  to engage in the practice of medicine and related  services in
     the State of Maryland.

          (b) Each of the  professionals  employed or engaged by the Partnership
     to  render  services  at the  Practice  is  duly  licensed,  certified,  or

                                       2
<PAGE>


     registered,  as applicable,  to render the services for which he or she has
     been employed or engaged by the Partnership.

          (c) The  Partnership  will establish and enforce  procedures to ensure
     that proper and  complete  medical  records are  maintained  regarding  all
     patients of the practice as required by applicable law and by the rules and
     regulations  of any third  party  payors  with  which the  Partnership  may
     contract or  affiliate.  To the extent  permitted by law,  the  Partnership
     shall provide access to the Management Company to such books and records of
     the Partnership as may be necessary to carry out the terms, conditions, and
     purposes of this Agreement.

         2. General  Responsibilities of the Management Company.  The Management
Company shall have  responsibility  for those certain  management and consulting
services  described  below,  exclusive of any medical,  professional and ethical
aspects of the Practice.  The Management Company shall be the exclusive provider
to the Partnership of such management and consulting  services.  The Partnership
agrees that is shall not obtain any  management or consulting  services from any
source other than the Management Company,  except with the prior written consent
of the Management Company.

         2.1.  Management  Services.  The Management  Company shall provide,  or
arrange for the provision of,  management  and  administrative  services for the
Practice, including but not limited to the following:

                                       3
<PAGE>


               (i) business planning,  including recommending capital, operating
          and cash flow budgets;

               (ii) financial  management,  including  causing annual  financial
          statements  to be prepared for the  Partnership  and  providing to the
          Partnership the data necessary for the Partnership to prepare and file
          its tax returns and make any other necessary governmental filings;

               (iii) bookkeeping, accounting, data processing and other computer
          based information services;

               (iv) maintenance of medical records;

               (v) administering or causing to be administered, on behalf and in
          the name of the Partnership, any welfare, benefit or insurance plan or
          arrangement of the Partnership;

               (vi) human  resources  management,  including  recruitment of all
          personnel,  training of all nonphysician personnel, and the management
          of all non-clinical staff;

               (vii) billing and  collection,  accounts  receivable and accounts
          payable processing,  on behalf and in the name of the Partnership,  in
          addition  to  billing  and  collection  services  set forth  under the
          Billing Agent Agreement attached hereto as Exhibit A;

                                       4
<PAGE>


               (viii) utilization, cost and quality management systems;

               (ix) managed care contracting services, including:

                    (a) evaluating, negotiating and administering, on behalf and
               in  the  name  of the  Partnership,  agreements  with  employers,
               multi-employer  welfare trusts,  third party  administrators  and
               other third parties,  including third party payors,  managed care
               entities, institutional health care providers and vendors;

                    (b) developing and marketing bundled health services;

                    (c)  developing  fee  schedules  and  setting   charges  for
               risk-sharing payor contracts;

                    (d)   developing   risk-sharing   arrangements   for   payor
               contracts;

                    (e) developing clinical protocols and pathways;

                    (f) credentialing support services consisting of application
               processing and information verification;

                    (g)  receiving  and  allocating   payments  from  payors  in
               accordance  with payor  contracts and the rules,  regulations and
               policies approved by the Management Company;

                    (h)   administering   risk   pools,   withhold   funds   and
               incentive/bonus arrangements;

                                       5
<PAGE>


                    (i) data analysis,  including  tracking and reporting to the
               Partnership on a regular basis the performance of the Partnership
               and its physician employees under payor contracts;

                    (j) risk assumption modeling;

                    (k)  processing  prior approval  requirements  and verifying
               member eligibility;

                    (l)   implementing   utilization   management   and  quality
               assurance  procedures,  and  procedures for  determining  medical
               necessity and compliance with applicable clinical guidelines; and

                    (m) implementing patient grievance procedures.

         Such managed care  contracting  services  shall be performed by Manager
with respect to payor contracts to the extent applicable to such contracts.  The
parties  recognize that the Management  Company's  ability to perform any of the
foregoing  functions  may be limited by the  nature and  quality of  information
provided by, and the systems of, payors.  In such cases, the Management  Company
will use its best efforts to perform such functions within such limitations.

          (x) using best efforts,  on behalf and in the name of the Partnership,
     to obtain malpractice and other agreed upon insurance coverages;

                                       6
<PAGE>


          (xi) advertising, marketing and promotional activities;

          (xii)  arranging for necessary  legal services  except with respect to
     any legal dispute between the Partnership and the Management Company;

          (xiii) performing  credentialing  support services such as application
     processing and information verification; and

          (xiv) centralized group purchasing,  including,  at the request of the
     Partnership,  negotiating  and  arranging for the  Partnership  to purchase
     medical  and  non-medical  inventory  and  supplies  and  other  goods  and
     services,  on  behalf  and  in  the  name  of the  Partnership,  which  the
     Management Company deems to be necessary for the efficient operation of the
     Practice.

         2.2. Staff. Subject to the requirements of applicable federal and state
law, the Management Company shall, on the terms and conditions specified in this
Agreement,   employ  or  engage  and  make  available  to  the  Practice,  on  a
non-exclusive basis,  sufficient  non-Physician  professional and administrative
staff  (hereinafter  referred to collectively as "Staff";  Staff members who are
licensed,  registered or certified by the state to perform professional services
are  hereinafter  referred to collectively  as  "Professional  Staff") as may be
reasonably necessary to operate the Practice in an efficient manner and meet the
patient  care  needs of the  Practice  in a timely  manner,  during the hours of
operation  of the  Practice  by  the  Partnership.  All  Staff  assigned  by the
Management  Company  to the  Practice  shall  be  subject  to the  Partnership's
clinical  supervision  and approval,  which approval  shall not be  unreasonably
withheld.  The hiring, firing,  disciplining,  and determination of compensation

                                       7
<PAGE>



and benefits of such Staff in connection with services  provided to or on behalf
of the Practice shall be within the sole  discretion of the Management  Company;
provided,  however,  that the  Management  Company shall,  at the  Partnership's
written request,  remove from the Practice any Staff member who does not perform
to the reasonable satisfaction of the Partnership.

         2.3 Consulting Services. The Management Company shall:

          (i) Identify and investigate  potential sites for the establishment of
     medical malls by the Partnership;

          (ii) Identify individual physicians for employment by the Partnership;

          (iii) Identify physician practices for acquisition by the Partnership;

          (iv) Where possible,  manage  practices  identified for acquisition by
     the Partnership prior to their acquisition;

          (v) Prepare  financial  projections  for new locations and acquisition
     targets;

                                       8
<PAGE>


          (vi)  Perform  financial  analyses on proposed new  locations  and the
     business of acquisition targets;

          (vii)  Assist in the  determination  of the mix of  specialties  to be
     available at each medical mall;

          (viii) Perform market analyses and needs  assessments to assist in the
     determination  of  appropriate  mall  locations  and services to be offered
     therein;  and  

          (ix)Provide  consulting services on an as needed basis with respect to
     each medical mall  established or acquired by the  Partnership for a period
     of up to nine (9) months following establishment or acquisition.

         2.4 Deposit of Net Practice  Revenues.  To the extent permitted by law,
and subject to paragraph 2.4.1 herein,  during the term of this  Agreement,  all
Net Practice  Revenues,  as defined herein,  shall be deposited  directly into a
bank account at a bank mutually  agreed upon by the parties (the  "Bank"),  from
which the Management  Company shall have the sole right to make withdrawals (the
"Account"). The Management Company shall maintain its accounting records in such
a way as to clearly  segregate  Net  Practice  Revenues  from other funds of the
Management  Company.  The Partnership  hereby appoints the Management Company as
its true and lawful  attorney-in-fact to deposit in the Account all Net Practice
Revenues collected and to make withdrawals from the Account. The Partnership and
the Management  Company hereby agree to execute from time to time such documents

                                       9
<PAGE>


and  instructions  as shall be required by the Bank and mutually  agreed upon to
effectuate  the foregoing  provisions  and to extend or amend such documents and
instructions  with  respect to payment for the  Management  Services  during any
extended term of this Agreement.

         For purposes of this Agreement,  "Net Practice Revenues" shall mean all
revenue,  calculated on a cash basis (after taking into account  adjustments for
refunds  and  set-offs),  collected  by  or  on  behalf  of  the  Practice,  the
Partnership or their  respective  employees as a result of professional  medical
services personally  furnished to patients and other fees or income generated by
such  persons  in their  capacity  as  members  of the  Professional  Staff (but
excluding  any  revenues,  fees  or  income  generated  by or on  behalf  of any
Professional  Staff Members as a result of or in connection  with  activities of
such Professional  Staff member in which  Partnership or the other  Professional
Staff members,  as a group,  would have no financial interest under the terms of
their Physician Employment Agreements with the Partnership, as amended from time
to time, and that are not billed,  collected or otherwise  administered  through
the Partnership or the Practice), whether rendered in an inpatient or outpatient
setting  and  whether  rendered to health  maintenance  organization,  preferred

                                       10
<PAGE>



provider organization,  Medicare, Medicaid or other patients, including, but not
limited to, payments  received under any capitation  arrangement.  The term "Net
Practice Revenues" shall include any ancillary services revenues provided at the
Practice offices.

         2.4.1 With respect to Medicare and  Medicaid  services  provided by the
Partnership  and its  Professional  Staff and with respect to other services for
which payments cannot be assigned to the Management Company under applicable law
or payor  contracts,  the  Management  Company  shall bill or  collect  for such
services as agent for the  Partnership  pursuant to the Billing Agent  Agreement
attached  hereto as Exhibit A (the "Billing Agent  Agreement").  With respect to
funds  deposited  in the  Practice  Account,  as  defined in the  Billing  Agent
Agreement,  the  Partnership  shall,  effective  as of the date  hereof,  direct
Account Bank, as defined in the Billing Agent Agreement,  in writing to transfer
all  amounts  in the  Practice  Account at the end of each  business  day of the
Account Bank to an account  designated by the Management Company (the "Manager's
Account").  The  Partnership  agrees  that it will  not  take  any  action  that
interferes with the transfer of funds from the Practice Account to the Manager's
Account as provided in the Billing Agent  Agreement nor will the  Partnership or
its agents remove,  withdraw or authorize the removal or withdrawal of any funds

                                       11
<PAGE>



from the Practice  Account for any purpose  except to accomplish the transfer of
funds provided pursuant to the Billing Agent Agreement.

         2.4.2 The Partnership shall, and shall cause its Professional Staff to,
promptly  endorse and  deliver to Manager all  payments,  notes,  checks,  money
orders,  insurance proceeds,  remittances and other evidences of indebtedness or
payment received by the Partnership or its Professional  Staff,  with respect to
all  accounts,  contract  rights,  instruments,  documents,  or other  rights to
payment form time to time arising from the rendering of medical  services by the
Partnership and its Professional Staff otherwise relating to the business of the
Partnership,  together with any guarantees thereof or securities  therefor which
are generated during the term of this Agreement.

         2.4.3 The Partnership and its  Professional  Staff hereby authorize the
Management  Company to initiate legal proceedings in the name of the Partnership
to collect any accounts and monies owed to the Partnership and its  Professional
Staff as creditors under any contract or in connection with the rendering of any
service  hereunder,  and to contest  adjustments  and  denials  by  governmental
agencies (or their fiscal intermediaries) as third-party payors. All adjustments
made  for  uncollectible  or  doubtful  accounts,   charity  care,  professional

                                       12
<PAGE>



courtesies and other  activities that do not generate a collectible fee shall be
determined by the Management Company in its reasonable  judgment for purposes of
financial reporting.

         2.5  Non-Operational  Expenses.  The Management Company shall be solely
responsible for the payment of all Management Company Expenses, defined as those
expenses that are not expressly  specified as Operational or Practice  Expenses,
as those  terms  are  defined  herein.  The  Management  Company  shall  pay all
Management  Company  Expenses  as they fall  due;  provided,  however,  that the
Management  Company  may contest in good faith any  claimed  Management  Company
Expenses as to which there is any dispute  regarding  the nature,  existence  or
validity of such claimed Management Company Expenses.

         2.6 Further  Obligations  of the  Management  Company.  The  Management
Company shall cause all work  required to be performed  pursuant to the terms of
this Agreement to be done in a good and professional manner.

3. Responsibilities of the Partnership

         3.1.  Professional  Services.  During the term of this  Agreement,  the
Partnership  shall  be  solely  responsible  for  all  aspects  of the  medical,
diagnostic,  therapeutic  and related  professional  services  delivered  by the
Practice and for the selection,  training,  professional direction,  supervision

                                       13
<PAGE>



and   employment  or  engagement  of  all   physicians.   The  hiring,   firing,
credentialing,  disciplining,  and determination of compensation and benefits of
such physicians shall be within the sole discretion of the Partnership.

         3.2.  Time  Commitment.  The  Partnership  shall  conduct the  Practice
fifty-two (52) weeks per year,  according to a schedule  mutually  determined by
the  Management  Company and the  Partnership.  The  Partnership  shall  provide
physicians  in adequate  numbers to meet all of the needs,  including  emergency
needs, of patients of the Practice in a timely and responsive manner.

         3.3.  Quality of Service.  The Partnership  shall establish and enforce
procedures to assure the appropriateness,  necessity, consistency, quality, cost
effectiveness and efficacy of all professional  services provided to patients of
the Practice.  The  Partnership  shall require each of its  physicians,  and the
Management  Company  shall  require each member of its  Professional  Staff,  to
participate in and cooperate with any utilization management, quality assurance,
risk  management,  patient  care  assessment,  continuous  quality  improvement,
accreditation or other similar program or study to review the performance of the

                                       14
<PAGE>



physicians and such  Professional  Staff as may be required by the  Partnership,
governmental agencies, professional review organizations, accrediting bodies, or
third  party  payors or health  care  entities  with which the  Partnership  may
contract or affiliate.

         3.4. Billing and Collection.

          (a) The Partnership,  or the Partnership's  authorized  billing agent,
     shall bill to and collect from patients,  third party payors and others for
     all services  rendered by the Partnership or any physician or member of the
     Professional Staff in connection with the Practice.  The Partnership hereby
     appoints  the  Management  Company  as its agent and  attorney-in-fact  for
     purposes of billing and collecting,  in the  Partnership's  name and on the
     Partnership's  behalf,  for all  such  professional  services  rendered  in
     connection  with the Practice,  in accordance  with this Agreement and with
     the Billing Agent  Agreement  attached  hereto as Exhibit A. Subject to the
     Billing Agent Agreement,  the Management  Company shall issue bills for all
     such services within thirty (30) days after such services are rendered, and
     the Management  Company shall use its best, good faith and diligent efforts
     to  collect  for  all  such  services  as  promptly  as may  be  reasonably
     practicable.

          (b) The  Partnership  shall provide  written  notice to the Management
     Company at least thirty (30) days in advance of any proposed  change in its
     charges.  If the Management Company objects in writing to any such proposed

                                       15
<PAGE>


     revised charge the Partnership shall consult with the Management  regarding
     the  appropriate  level of such charge  before  said  charge  shall go into
     effect.

         3.5 Practice Expenses.  The Partnership shall be solely responsible for
the payment of all Practice  Expenses,  as defined herein. The Partnership shall
pay all  Practice  Expenses  as they  fall  due;  provided,  however,  that  the
Partnership may contest in good faith any claimed Practice  Expenses as to which
there is any dispute regarding the nature, existence or validity of such claimed
Practice Expenses.

         As used in this  Agreement,  "Practice  Expenses"  shall  mean  (a) any
federal,  state  or  local  income  taxes  of the  Practice;  (b) any  salaries,
benefits,  or  other  direct  costs  with  respect  to the  Professional  Staff,
including   without   limitation,   workers'   compensation,   retirement   plan
contributions,  health, disability and life insurance premiums, payroll taxes or
compensation  paid or payable to  physician  independent  contractors  (or other
independent contractors who provide medical services to patients); (c) physician
licensure fees,  board  certification  fees,  hospital staff privilege dues, and
costs of membership in professional associations for Professional Staff members;
(d) costs of continuing  professional  education for Professional Staff members;
(e) insurance  premiums for policies of  malpractice  insurance for the Practice
and Professional  Staff members;  deductibles under such policies of malpractice

                                       16
<PAGE>

insurance;  any and all costs and expenses incurred with respect to claims under
such policies of malpractice insurance; liability judgments assessed against the
Practice  or  Professional  Staff  members in excess of policy  limits;  and (f)
direct  personal  expenses  of  Professional  Staff  members  of a kind that the
Practice has historically  charged to its  Professional  Staff,  e.g.,  cellular
phone expenses, paging system expenses.

         3.6 Further  Obligations of the Partnership In order for the Management
Company to perform its duties as described herein, the Partnership shall:

          (i) Provide full information  regarding its requirements for expansion
     and acquisition;

          (ii) Designate a representative who shall be fully acquainted with the
     Partnership's  plans and has  authority  to render  decisions  promptly and
     furnish information expeditiously; and

          (iii) In the event that the Partnership  becomes aware of any problems
     in any sites or with any  acquisition  targets,  give prompt written notice
     thereof to the Management Company.

4. Financial Terms.

         (a) Payment of Operational Expenses.  The Management Company shall pay,
on behalf  and in the name of the  Partnership,  all  Operational  Expenses,  as
defined  herein,  as they  fall due,  out of Net  Practice  Revenues;  provided,
however,  that the  Management  Company may, in the name of and on behalf of the
Partnership,  contest in good faith any claimed Operational Expenses as to which
there is any dispute regarding the nature, existence or validity of such claimed

                                       17
<PAGE>



Operational  Expenses.  For purposes of this Agreement,  "Operational  Expenses"
shall mean the operating and  non-operating  expenses incurred by the Management
Company in performing its duties hereunder,  including,  but not limited to: (a)
salaries,  benefits,  and other direct  costs  (including,  without  limitation,
professional  liability  insurance)  of all  Staff of the  Partnership  (but not
including  Professional  Staff);  (b) obligations  under leases or subleases for
space and equipment used by the Practice;  (c) personal  property and intangible
taxes assessed against assets used by the Clinic;  (d) charitable  contributions
budgeted  and  approved  by the  Management  Company  and the  Partnership;  (e)
depreciation and  amortization;  (f) interest  expenses;  (g) costs and expenses
incurred in recruiting  physicians  and other  Practice  personnel;  (h) utility
expenses  relating to the medical office space,  and all other costs relating to
the  medical  office  space,  including  without  limitation,  costs of  repair,
maintenance,  telephone,  electric,  gas and  water  utility  expenses,  general
liability  insurance,  security,  worker's  compensation for Management  Company
employees,  normal janitorial services,  refuse disposal, and medical and office
supplies,  including pharmaceuticals;  (i) actual costs incurred with respect to
billing and  collecting;  (j)  premiums  for  malpractice  and other agreed upon
insurance  coverage;  and (k)  obligations of the Partnership  under  contracts,

                                       18
<PAGE>



including  without  limitation,   that  certain  contract  by  and  between  the
Partnership and Medi-Cen  Corporation of Maryland,  Inc.,  dated March 24, 1997,
and any contracts by and between the Partnership and Health Quality  Management,
Inc.

         (b)  Compensation to Management  Company.  As compensation for services
rendered  under this  Agreement,  the  Partnership  shall pay to the  Management
Company  sixty  percent  (60%) of the Revenue  Margin,  as defined  herein,  per
calendar year (the "Management Fee"). The Partnership shall retain the remaining
Revenue  Margin.  Notwithstanding  any other  provision of this  Agreement,  the
Management  Fee  shall in no event be less than Five  Hundred  Thousand  Dollars
($500,000) per annum (the "Management Fee Floor"), nor exceed a per annum amount
equal  to  the  sum of (1)  the  product  of the  number  of new  Medical  Malls
established  during the then  current  year of this  Agreement  and Five Hundred
Thousand  Dollars  ($500,000) (the "Management Fee Cap"), and (2) the product of
the number of existing Medical Malls maintained  during the then current year of
this  Agreement  and One  Million  Dollars  ($1,000,000).  At such time that Net
Practice Revenues reach $__________, and upon each $____________ increase in Net
Practice  Revenues  thereafter,  the parties shall have the right to renegotiate
the  Management  Fee, the  Management  Fee Floor,  and the Management Fee Cap to
appropriately  reflect  the fair  market  value  of  management  and  consulting
services provided by Manager. In the event that the Management Cap is reached in
any  year  of  this  Agreement,  the  Management  Company  shall  remit  to  the
Partnership any remaining  Revenue Margin.  In the event that the Management Fee

                                       19
<PAGE>



Floor is not reached in any year of this Agreement, the Partnership shall pay to
the Management Company the shortfall.  For purposes of this Agreement,  "Revenue
Margin"  shall  mean  the  amount  equal  to  Net  Practice  Revenues  less  all
Operational Expenses.

         (c) Draws.  Following  the end of each month,  the  Management  Company
shall  estimate  such month's Net Clinic  Revenues by  multiplying  a Historical
Collection Percentage, as defined herein, by such month's gross production.  For
purposes of this Agreement,  the  "Historical  Collection  Percentage"  shall be
determined by averaging the collection percentages for the immediately preceding
six (6) months.  Operational  Expenses  for such month shall then be  subtracted
from  such  estimated  Net  Clinic  Revenues  for such  month,  resulting  in an
estimated Revenue Margin, as defined herein.  The Management Company shall remit
to the Partnership  forty percent (40%) of such estimated  Revenue Margin by the

                                       20
<PAGE>



fifteenth  (15th) day of the  following  month and shall  retain  any  remaining
amounts as a draw on its Management Fee.

         (d)  Reconciliation.  Within  ninety  (90)  days  after the end of each
calendar quarter,  the Management Company will reconcile the amounts retained by
the Management  Company as draws under  subsection (c) above with the actual Net
Clinic Revenues attributable to the gross production for such quarter, and shall
determine the actual Revenue Margin.  In the event that the amounts  retained by
the Management  Company as draws under  subsection (c) above are less than sixty
percent (60%) of the actual  Revenue  Margin for such quarter,  the  Partnership
shall pay to the Management  Company the shortfall.  In the event that the draws
paid  under  subsection  (c) above are in excess of sixty  percent  (60%) of the
actual  Revenue Margin for such quarter,  the Management  Company shall remit to
the Partnership the overdraft.

         (e) Fair Market Value of Services Rendered. The Management Fee has been
determined  by the  parties to equal the fair  market  value of the  consulting,
administrative  and  management  services  furnished by the  Management  Company
hereunder,  without  taking into  account the  proximity  of the Premises to any
source of  referrals,  or the volume or value of any  referrals of business from
the  Management  Company (or its  affiliates)  to the  Partnership,  or from the

                                       21
<PAGE>


Partnership to the Management  Company (or its  affiliates),  that is reimbursed
under any governmental or private health care payment or insurance program.

         (f)  Arm's  Length   Transaction.   The  Management  Fee  paid  by  the
Partnership  to the  Management  Company  hereunder  has been  determined by the
parties  through  good-faith and arm's length  bargaining,  and consistent  with
industry practices.  No amount paid hereunder is intended to be, nor shall it be
construed  to be, an  inducement  or payment for  referral  of, or  recommending
referral  of,  patients by the  Partnership  to the  Management  Company (or its
affiliates) or by the Management Company (or its affiliates) to the Partnership.
In addition, the Management Fee charged hereunder does not include any discount,
rebate,  kickback,  or other reduction in charge, and the Management Fee charged
hereunder is not intended to be, nor shall it be construed to be, an  inducement
or payment for  referral,  or  recommendation  of  referral,  of patients by the
Partnership to the Management  Company (or its  affiliates) or by the Management
Company (or its affiliates) to the Partnership.

5. Regulatory Matters.

         (a) The  Partnership's  physicians and the Professional  Staff shall at
all   times  be  free,   in   their   sole   discretion,   to   exercise   their
professional/medical  judgment  on behalf of  patients  of the  Partnership.  No
provision of this  Agreement is intended,  nor shall it be construed,  to permit
the Management Company to affect or influence the professional/medical  judgment
of any member of the  Partnership's  Professional  Staff. To the extent that any
act or service required or permitted of the Management  Company by any provision

                                       22
<PAGE>




of this  Agreement  may be  construed  or deemed to  constitute  the practice of
medicine,  the ownership or control of a medical practice, or the operation of a
medical or health care facility,  said provision of this Agreement shall be void
ab initio and the  performance of said act or service by the Management  Company
shall be deemed waived by the Partnership.

         (b) The parties agree to cooperate with one another in the  fulfillment
of their  respective  obligations  under this Agreement,  and to comply with the
requirements of law and with all ordinances, statutes, regulations,  directives,
orders,  or other lawful  enactments or  pronouncements  of any federal,  state,
municipal,  local or other lawful authority  applicable to the Practice,  and of
any insurance company insuring the Premises or the parties against liability for
accident or injury in or upon the Premises.

6. Insurance.

         6.1. General Comprehensive Liability Insurance. During the term of this
Agreement, the Management Company shall obtain and maintain at its own expense a
comprehensive general liability insurance policy and such other insurance as may

                                       23
<PAGE>



be required, in such amounts, with such coverages and with such companies as the
Management Company may reasonably determine.

         6.2.  Equipment  Insurance.  The  Management  Company shall cause to be
carried and maintained insurance against all risks of physical loss or damage to
the  Equipment  in an amount not less than the  original  purchase  price or the
replacement  cost  with  like kind and  quality  at the time of loss,  with such
companies and as the Management  Company shall  reasonably  determine. 

         6.3.  Malpractice  Insurance.  During the term of this  Agreement,  the
Management  Company  shall use its best efforts to obtain and  maintain,  at the
Partnership's   expense,   professional   liability   insurance   covering   the
Partnership,  the physicians and each Professional Staff member,  with limits of
$1 million  per  occurrence  and $3 million in the  aggregate.  In the event the
Partnership  has a "claims  made" form of insurance in effect at any time during
the term of this  Agreement,  the  Management  Company  shall obtain full "tail"
coverage  to cover  any event  that may have  occurred  during  the term of this
Agreement.   The  Partnership  shall  provide  to  the  Management  Company  any
information with respect to the Partnership or the Physicians  necessary for the
Management  Company to secure such professional  liability  insurance. 

                                       24
<PAGE>




         7.  Indemnification.  Except to the extent  paid from the  proceeds  of
available  insurance,  each party (and its  affiliates)  agrees to indemnify and
hold the other party (and its affiliates) harmless against any loss, cost, suit,
claim, action, cause of action, damage, obligation, contract, demand, liability,
judgment,  verdict,  settlement or expense (including  reasonable attorney's and
other  consultancy  fees and court costs)  arising out of any act or omission of
the  indemnifying  party,  its  employees,  agents or affiliates  that occurs in
connection with this Agreement.

         8.  Non-Solicitation.  The  Partnership  agrees,  and  shall  cause its
employees to agree, not to solicit the employment of, or to employ, any employee
of the Management  Company or its  affiliates,  including but not limited to any
member  of the Staff  provided  by the  Management  Company  to the  Partnership
hereunder,  during the term of this Agreement,  and for a period of one (1) year
from the date of termination or expiration of this Agreement.

         9. Non-Compete.  During the term of this Agreement, the Partnership and
each of the physicians employed or engaged by the Partnership shall not, without
the express written consent of the Management  Company,  directly or indirectly,
in whole or in part, own, manage,  operate,  join,  control,  participate in the
ownership,  management,  operation or control of, contract with, be employed by,
or be connected with in any manner,  any business engaged in the same or similar

                                       25

<PAGE>

activities  engaged in by the  Management  Company or the  Partnership,  or that
directly or indirectly competes with the Management Company or the Partnership.

         If any part of paragraph 8 or 9 of this Agreement  should be determined
by a court of competent  jurisdiction to be  unreasonable  in nature,  duration,
geographic  area, or scope,  then this Agreement is intended to and shall extend
only for such period of time, in such area and with respect to such activity, as
is determined by said court to be reasonable.

         10.   Disclosure  of  Information.   The  Partnership   recognizes  and
acknowledges that all records,  files, reports,  protocols,  policies,  manuals,
data  bases,  processes,  procedures,  computer  systems,  materials  and  other
documents  used by the  Management  Company  (or its  affiliates)  in  rendering
services hereunder,  or relating to the operations of the Management Company (or
its  affiliates),  belong to and shall  remain the  property  of the  Management
Company , and  constitute  proprietary  information  and trade  secrets that are
valuable,  special, and unique assets of the Management Company's business.  The
Partnership  shall not, and shall assure that each of its physicians  shall not,
during or after the term of this Agreement, disclose any proprietary information

                                       26
<PAGE>



or trade  secrets of the  Management  Company (or its  affiliates)  to any other
firm,  person,  corporation,  association,  or other  entity  for any  reason or
purpose whatsoever, without the written consent of or its respective affiliate.

         11. Enforcement. The Partnership agrees that the covenants set forth in
paragraphs  8, 9 and 10 are  reasonable  in nature,  duration  and  geographical
scope.  The  Partnership  further  acknowledges  that  any  violation  of  those
covenants will cause the Management Company irreparable damage, which a monetary
award would be inadequate to remedy, and that a court or arbitrator of competent
jurisdiction  may,  in addition  to  monetary  awards,  enjoin any breach of and
enforce such  covenants by temporary  restraining  order,  and  preliminary  and
permanent injunctive relief. If a court or arbitrator of competent  jurisdiction
determines  that any of the covenants in paragraphs 8, 9 and 10 is  unreasonable
in nature,  duration or geographic scope, then the Partnership  agrees that such
court or  arbitrator  shall  reform  such  covenant  so that  such  covenant  is
enforceable  to the  maximum  extent  permitted  by law for a  covenant  of that
nature, and such court shall enforce the covenant to that extent.

12. Effective Date; Term and Termination.

         (a) This Agreement  shall be effective  January 1, 1998,  provided that
the Management  Company has completed a successful  Initial  Public  Offering (a
"Successful IPO"), as defined herein, by such date, or upon such later date that

                                       27
<PAGE>


the Management  Company completes a Successful IPO (the "Effective  Date").  For
purposes of this Agreement, a "Successful IPO" shall mean ________________. .The
term of this  Agreement  shall be for thirty (30) years  commencing  on the date
first written  above,  unless sooner  terminated as set forth herein,  and shall
automatically  renew for  successive  five (5) years terms  unless  either party
gives the other at least ninety (90) days prior written  notice of its intention
not to renew prior to the expiration of the then current term.

         (b) Either party may  terminate  this  Agreement  immediately  upon the
occurrence  of any of the following  events with regard to the other party:  (i)
the making of a general assignment for the benefit of creditors; (ii) the filing
of a voluntary  petition or the  commencement  of any proceeding by either party
for any relief under any bankruptcy or insolvency  laws, or any laws relating to
the relief of debtors, readjustment of indebtedness, reorganization, composition
or extension;  (iii) the filing of any involuntary  petition or the commencement
of any proceeding by or against either party for any relief under any bankruptcy
or insolvency laws, or any laws relating to the relief of debtors,  readjustment
of indebtedness,  reorganization,  composition or extension, which such petition

                                       28
<PAGE>



or proceeding  is not dismissed  within ninety (90) days of the date on which it
is filed or  commenced;  or (iv)  suspension  of the  transaction  of the  usual
business of either party for a period in excess of thirty (30) days.

         (c) The Management  Company may terminate  this  Agreement  immediately
upon written notice to the Partnership of any breach of the Partnership Interest
Transfer  Restriction  Agreement between the Partnership and the partners of the
Partnership.

         (d) The Management  Company may terminate  this  Agreement  immediately
upon  written  notice to the  Partnership  of any breach of  paragraph 9 of this
Agreement.

         (e) The  Management  Company may terminate  this Agreement at any time,
with or without cause, by giving the Partnership ninety (90) days' prior written
notice; provided, however, that if this Agreement is terminated pursuant to this
paragraph,  the parties may not enter into a  substantially  similar  management
agreement within __ days of such termination.

         (f) The  Partnership may terminate this Agreement upon one year's prior
written  notice to the Management  Company in the event of a material  breach by
the Management  Company of any material term or condition hereof, if such breach
is not cured to the reasonable  satisfaction of the Partnership  within one year
after the Partnership has given notice thereof to the Management Company.

                                       29
<PAGE>


         (g) Upon  termination  or expiration of this Agreement by either party,
the  Partnership  shall  pay the  Management  Company  any  amounts  owed to the
Management  Company under  paragraph 4 hereof as of the date of  termination  or
expiration.

         (h) Upon  termination or expiration of this Agreement,  the Partnership
shall  return to the  Management  Company  any and all  property  of  Management
Company that may be in the  Partnership's  possession or under the Partnership's
control.

13. Arbitration.

         Any  disputes  arising  under  this  Agreement  or any  breach  of this
Agreement,  shall be determined by arbitration  in accordance  with the rules of
the  American  Arbitration  Association  ("Association"),  then in effect,  by a
single arbitrator selected by mutual agreement of the parties or, if the parties
are unable to agree on an  arbitrator,  by the  Association;  provided that this
paragraph  shall not  restrict  the right of either  party to  institute a legal
proceeding to enable such party to obtain temporary injunctive relief during the
pendency  of  any  such  arbitration.  A  determination  of the  dispute  by the
arbitrator  shall be final and binding on the parties to the extent permitted by
law. The cost of the  arbitration,  other than  attorneys  or other  consultancy
fees,  shall be borne  equally by the  parties.

                                       30
<PAGE>



         14.  Status of  Parties.  In the  performance  of the work,  duties and
obligations under this Agreement, it is mutually understood and agreed that each
party is at all times acting and  performing as an independent  contractor  with
respect to the other and that no relationship  of Partnership,  joint venture or
employment is created by this Agreement.

         15. Force  Majeure.  Neither  party shall be deemed to be in default of
this  Agreement if prevented from  performing  any obligation  hereunder for any
reason beyond its control, including but not limited to, Acts of God, war, civil
commotion,  fire,  flood  or  casualty,  labor  difficulties,  shortages  of  or
inability to obtain labor, materials or equipment,  governmental  regulations or
restrictions,  or unusually severe weather.  In any such case, the parties agree
to negotiate in good faith with the goal of  preserving  this  Agreement and the
respective  rights  and  obligations  of the  parties  hereunder,  to the extent
reasonably  practicable.  It is agreed that financial  inability  shall not be a
matter beyond a party's reasonable control.

         16.  Notices.  Any notices to be given hereunder by either party to the
other  shall  be  deemed  to be  received  by the  intended  recipient  (a) when
delivered personally,  (b) the day following delivery to a nationally recognized
overnight  courier  service with proof of delivery,  or (c) three (3) days after
mailing by certified  mail,  postage prepaid with return receipt  requested,  in

                                       31
<PAGE>


each case  addressed to the parties at the  addresses  set forth below or at any
other address designated by the parties in writing:


         If to the Management Company:

         Medi-Cen Management, Inc.
         5530 Wisconsin Avenue, Suite 1248
         Chevy Chase, Maryland  20815
         Attention:  Harrison Jett

         If to the Partnership:

         Washington Neurology Associates, L.L.P.
         5530 Wisconsin Avenue, Suite 1248
         Chevy Chase, Maryland  20815


         17.  Entire  Agreement.  This  Agreement  supersedes  any and all other
agreements,  either oral or in writing,  between the parties hereto with respect
to the  subject  matter of this  Agreement.  This  Agreement  may not be changed
orally,  and may only be  amended  by an  agreement  in  writing  signed by both
parties.

         18. No Rights in Third Parties.  This Agreement is not intended to, nor
shall it be construed  to,  create any rights in any third  parties,  including,
without limitation,  in any Physicians employed or engaged by the Partnership in
connection with the Practice.

         19. Governing Law. This Agreement shall be governed by and construed in
accordance with the laws of the State of Maryland.

                                       32
<PAGE>


         20. Severability. If any provision of this Agreement shall be held by a
court of competent  jurisdiction  to be contrary to law, that  provision will be
enforced to the maximum extent permissible, and the remaining provisions of this
Agreement will remain in full force and effect,  unless to do so would result in
either party not receiving the benefit of its bargain.

         21. Waiver.  The failure of a party to insist upon strict  adherence to
any term of this  Agreement on any occasion  shall not be considered a waiver or
deprive  that  party of the right  thereafter  to that term or any other term of
this Agreement.

         22. Rights Unaffected. No amendment,  supplement or termination of this
Agreement  shall  affect or impair  any  rights or  obligations  that shall have
theretofore matured hereunder.

         23.  Interpretation  of Syntax.  All references  made and pronouns used
herein shall be construed in the singular or plural,  and in such gender, as the
sense and circumstances require.

         24. Successors. This Agreement shall be binding upon and shall inure to
the benefit of the parties,  their respective heirs,  executors,  administrators
and assigns.

         25. Further Actions. Each of the parties agrees that it shall hereafter
execute and deliver such further instruments and do such further acts and things
as may be  required  or useful  to carry  out the  intent  and  purpose  of this
Agreement and as are not inconsistent with the terms hereof.

                                       33
<PAGE>




         26. Assignability. The Partnership may not assign this Agreement except
with the prior written approval of Management  Company.  Management  Company may
assign this Agreement after written notice to the Partnership.

         IN WITNESS  WHEREOF,  and  intending to be legally  bound,  the parties
hereto affix their signatures below and execute this Agreement under seal.


WASHINGTON NEUROLOGY ASSOCIATES, L.L.P.



By:  __________________________               Date:  _______________________



MEDI-CEN MANAGEMENT, INC.



By:  __________________________               Date:  _______________________

                                       34






                              MANAGEMENT AGREEMENT

         THIS  AGREEMENT is made this 1st day of January,  1998,  by and between
MEDI-CEN MANAGEMENT, Inc., a Maryland corporation, having its principal place of
business at 5530  Wisconsin  Avenue,  Suite 1248,  Chevy  Chase,  Maryland  (the
"Management  Company"),  and YATER MEDICAL  GROUP,  P.C., a District of Columbia
professional  corporation,  having  its  principal  place  of  business  at 1780
Massachusetts Avenue, N.W., Washington, D.C. (the "P.C.").

         WHEREAS,  the P.C.  has been  formed  under the  District  of  Columbia
Professional  Corporation Act to render medical and related services to patients
of the P.C.;

         WHEREAS,  the P.C.  desires  to  operate  a  medical  practice  at 1780
Massachusetts  Avenue,  N.W.,  Washington,  D.C., and/or at other locations (the
"Practice")  and to obtain certain  management  and consulting  services for the
Practice from the Management Company; and

         WHEREAS, the Management Company is ready,  willing, and able to provide
such  management  and  consulting  services to the P.C. in  connection  with the
Practice.

         NOW THEREFORE,  in  consideration  of the mutual premises and covenants
contained  herein and other good and  valuable  consideration,  the  receipt and

<PAGE>



sufficiency  of which are  hereby  acknowledged,  the  parties  hereto  agree as
follows:

1. Representations and Warranties.

         1.1  Representations  and  Warranties of the  Management  Company.  The
Management  Company hereby represents and warrants to the P.C. that at all times
during the term of this Agreement,  the Management Company is a corporation duly
organized,  validly existing and in good standing under the laws of the District
of Columbia.

         1.2  Representations  and  Warranties  of  the  P.C.  The  P.C.  hereby
represents and warrants to the  Management  Company that at all times during the
term of this Agreement:

          (a) The P.C. is a professional corporation organized, validly existing
     and in good standing under the laws of the District of Columbia and is duly
     licensed and qualified  under all applicable laws and regulations to engage
     in the  practice  of  medicine  and  related  services  in the  District of
     Columbia.

          (b) Each of the  professionals  employed  or  engaged  by the P.C.  to
     render services at the Practice is duly licensed, certified, or registered,
     as applicable, to render the services for which he or she has been employed
     or engaged by the P.C.

                                       2
<PAGE>


          (c) The P.C.  will  establish  and enforce  procedures  to ensure that
     proper and complete  medical records are maintained  regarding all patients
     of the  practice  as  required  by  applicable  law  and by the  rules  and
     regulations  of any third party  payors with which the P.C. may contract or
     affiliate. To the extent permitted by law, the P.C. shall provide access to
     the  Management  Company  to such books and  records of the P.C.  as may be
     necessary  to  carry  out  the  terms,  conditions,  and  purposes  of this
     Agreement.  2. General  Responsibilities  of the  Management  Company.  The
     Management  Company shall have  responsibility for those certain management
     and  consulting  services  described  below,   exclusive  of  any  medical,
     professional  and ethical aspects of the Practice.  The Management  Company
     shall  be the  exclusive  provider  to the  P.C.  of  such  management  and
     consulting  services.  The  P.C.  agrees  that  it  shall  not  obtain  any
     management or consulting services from any source other than the Management
     Company, except with the prior written consent of the Management Company.

         2.1  Management  Services.  The Management  Company shall  provide,  or
arrange for the provision of,  management  and  administrative  services for the
Practice, including but not limited to the following:

          (i) business planning,  including recommending capital,  operating and
     cash flow budgets;

                                       3
<PAGE>

         (ii)  financial   management,   including   causing  annual   financial
statements  to be  prepared  for the P.C.  and  providing  to the P.C.  the data
necessary  for the P.C.  to prepare  and file its tax returns and make any other
necessary governmental filings;

         (iii) bookkeeping, accounting, data processing and other computer based
information services;

         (iv) maintenance of medical records;

         (v)  administering or causing to be administered,  on behalf and in the
name of the P.C.,  any welfare,  benefit or insurance plan or arrangement of the
P.C.;

         (vi)  human  resources   management,   including   recruitment  of  all
personnel,  training of all  nonphysician  personnel,  and the management of all
non-clinical staff;

         (vii) billing and collection,  accounts receivable and accounts payable
processing,  on behalf and in the name of the P.C.,  in  addition to billing and
collection  services set forth under the Billing Agent Agreement attached hereto
as Exhibit A;

         (viii) utilization,  cost and quality management systems;

         (ix) managed care contracting services, including:

          (a) evaluating,  negotiating and  administering,  on behalf and in the
     name of the P.C., agreements with employers, multi-employer welfare trusts,
     third party  administrators and other third parties,  including third party

                                       4
<PAGE>


     payors,  managed care  entities,  institutional  health care  providers and
     vendors;

          (b) developing and marketing bundled health services;

          (c)  developing  fee  schedules and setting  charges for  risk-sharing
     payor contracts;

          (d) developing risk-sharing arrangements for payor contracts;

          (e) developing clinical protocols and pathways;

          (f)   credentialing   support   services   consisting  of  application
     processing and information verification;

          (g) receiving and allocating  payments from payors in accordance  with
     payor  contracts and the rules,  regulations  and policies  approved by the
     Management Company;

          (h)  administering  risk  pools,  withhold  funds and  incentive/bonus
     arrangements;

          (i) data analysis,  including  tracking and reporting to the P.C. on a
     regular basis the performance of the P.C. and its physician employees under
     payor contracts;

          (j) risk assumption modeling;

          (k)  processing  prior  approval  requirements  and  verifying  member
     eligibility;

                                       5
<PAGE>



          (l)  implementing   utilization   management  and  quality   assurance
     procedures, and procedures for determining medical necessity and compliance
     with applicable clinical guidelines; and

          (m) implementing patient grievance procedures.

         Such managed care  contracting  services  shall be performed by Manager
with respect to payor contracts to the extent applicable to such contracts.  The
parties  recognize that the Management  Company's  ability to perform any of the
foregoing  functions  may be limited by the  nature and  quality of  information
provided by, and the systems of, payors.  In such cases, the Management  Company
will use its best efforts to perform such functions within such limitations.

          (x) using  best  efforts,  on behalf  and in the name of the P.C.,  to
     obtain malpractice and other agreed upon insurance coverages;

          (xi) advertising, marketing and promotional activities;

          (xii)  arranging for necessary  legal services  except with respect to
     any legal dispute between the P.C. and the Management Company;

                                       6
<PAGE>



          (xiii) performing  credentialing  support services such as application
     processing and information verification; and

          (xiv) centralized group purchasing,  including,  at the request of the
     P.C.,  negotiating  and  arranging  for the P.C.  to  purchase  medical and
     non-medical  inventory and supplies and other goods and services, on behalf
     and in the name of the  P.C.,  which  the  Management  Company  deems to be
     necessary for the efficient operation of the Practice.

         2.2 Staff.  Subject to the requirements of applicable federal and state
law, the Management Company shall, on the terms and conditions specified in this
Agreement,   employ  or  engage  and  make  available  to  the  Practice,  on  a
non-exclusive basis,  sufficient  non-Physician  professional and administrative
staff  (hereinafter  referred to collectively as "Staff";  Staff members who are
licensed,  registered or certified by the state to perform professional services
are  hereinafter  referred to collectively  as  "Professional  Staff") as may be
reasonably necessary to operate the Practice in an efficient manner and meet the
patient  care  needs of the  Practice  in a timely  manner,  during the hours of
operation  of the  Practice by the P.C.  All Staff  assigned  by the  Management
Company to the Practice shall be subject to the P.C.'s clinical  supervision and
approval, which approval shall not be unreasonably withheld. The hiring, firing,
disciplining,  and  determination  of compensation and benefits of such Staff in
connection  with  services  provided  to or on behalf of the  Practice  shall be
within the sole discretion of the Management Company;  provided,  however,  that

                                       7
<PAGE>



the Management  Company shall,  at the P.C.'s written  request,  remove from the
Practice any Staff member who does not perform to the reasonable satisfaction of
the P.C.

         2.3 Consulting Services. The Management Company shall:

          (i) Identify and investigate  potential sites for the establishment of
     medical malls by the P.C.;

          (ii) Identify individual physicians for employment by the P.C.;

          (iii) Identify physician practices for acquisition by the P.C.;

          (iv) Where possible,  manage  practices  identified for acquisition by
     the P.C. prior to their acquisition;

          (v) Prepare  financial  projections  for new locations and acquisition
     targets;

          (vi)  Perform  financial  analyses on proposed new  locations  and the
     business of acquisition targets;

          (vii)  Assist in the  determination  of the mix of  specialties  to be
     available at each medical mall;

          (viii) Perform market analyses and needs  assessments to assist in the
     determination  of  appropriate  mall  locations  and services to be offered
     therein; and

                                       8
<PAGE>



          (ix)Provide  consulting services on an as needed basis with respect to
     each medical mall established or acquired by the P.C. for a period of up to
     nine (9) months following establishment or acquisition.

         2.4 Deposit of Net Practice  Revenues.  To the extent permitted by law,
and subject to paragraph 2.4.1 herein,  during the term of this  Agreement,  all
Net Practice  Revenues,  as defined herein,  shall be deposited  directly into a
bank account at a bank mutually  agreed upon by the parties (the  "Bank"),  from
which the Management  Company shall have the sole right to make withdrawals (the
"Account"). The Management Company shall maintain its accounting records in such
a way as to clearly  segregate  Net  Practice  Revenues  from other funds of the
Management Company.  The P.C. hereby appoints the Management Company as its true
and lawful  attorney-in-fact to deposit in the Account all Net Practice Revenues
collected and to make withdrawals from the Account.  The P.C. and the Management
Company   hereby  agree  to  execute  from  time  to  time  such  documents  and
instructions  as shall be  required  by the Bank  and  mutually  agreed  upon to
effectuate  the foregoing  provisions  and to extend or amend such documents and
instructions  with  respect to payment for the  Management  Services  during any
extended term of this Agreement.

                                       9
<PAGE>



         For purposes of this Agreement,  "Net Practice Revenues" shall mean all
revenue,  calculated on a cash basis (after taking into account  adjustments for
refunds and  set-offs),  collected by or on behalf of the Practice,  the P.C. or
their  respective  employees  as  a  result  of  professional  medical  services
personally  furnished  to patients  and other fees or income  generated  by such
persons in their  capacity as members of the  Professional  Staff (but excluding
any revenues, fees or income generated by or on behalf of any Professional Staff
Members as a result of or in connection  with  activities  of such  Professional
Staff member in which Partnership or the other Professional Staff members,  as a
group,  would  have no  financial  interest  under the terms of their  Physician
Employment  Agreements with the P.C., as amended from time to time, and that are
not  billed,  collected  or  otherwise  administered  through  the  P.C.  or the
Practice),  whether  rendered in an inpatient or outpatient  setting and whether
rendered to health maintenance  organization,  preferred provider  organization,
Medicare,  Medicaid or other patients,  including,  but not limited to, payments
received  under any  capitation  arrangement.  The term "Net Practice  Revenues"
shall include any ancillary services revenues provided at the Practice offices.

         2.4.1 With respect to Medicare and  Medicaid  services  provided by the
P.C. and its  Professional  Staff and with  respect to other  services for which

                                       10
<PAGE>



payments  cannot be assigned to the Management  Company under  applicable law or
payor contracts,  the Management Company shall bill or collect for such services
as agent for the P.C. pursuant to the Billing Agent Agreement attached hereto as
Exhibit A (the "Billing Agent  Agreement").  With respect to funds  deposited in
the Practice Account, as defined in the Billing Agent Agreement, the P.C. shall,
effective as of the date hereof,  direct Account Bank, as defined in the Billing
Agent  Agreement,  in writing to transfer all amounts in the Practice Account at
the end of each business day of the Account Bank to an account designated by the
Management Company (the "Manager's  Account").  The P.C. agrees that it will not
take any action that  interferes  with the  transfer of funds from the  Practice
Account to the Manager's  Account as provided in the Billing Agent Agreement nor
will the P.C.  or its  agents  remove,  withdraw  or  authorize  the  removal or
withdrawal  of any funds from the  Practice  Account for any  purpose  except to
accomplish  the  transfer  of  funds  provided  pursuant  to the  Billing  Agent
Agreement.

         2.4.2 The P.C.  shall,  and  shall  cause  its  Professional  Staff to,
promptly  endorse and  deliver to Manager all  payments,  notes,  checks,  money
orders,  insurance proceeds,  remittances and other evidences of indebtedness or
payment  received by the P.C. or its  Professional  Staff,  with  respect to all
accounts,  contract rights,  instruments,  documents, or other rights to payment
from time to time arising from the rendering of medical services by the P.C. and

                                       11
<PAGE>




its Professional Staff otherwise relating to the business of the P.C.,  together
with any guarantees  thereof or securities  therefor which are generated  during
the term of this Agreement.

         2.4.3  The  P.C.  and  its  Professional  Staff  hereby  authorize  the
Management  Company to  initiate  legal  proceedings  in the name of the P.C. to
collect any accounts and monies owed to the P.C. and its  Professional  Staff as
creditors  under any contract or in connection with the rendering of any service
hereunder,  and to contest adjustments and denials by governmental  agencies (or
their fiscal  intermediaries)  as third-party  payors.  All adjustments made for
uncollectible or doubtful accounts,  charity care,  professional  courtesies and
other  activities  that do not generate a collectible fee shall be determined by
the  Management  Company in its  reasonable  judgment  for purposes of financial
reporting.

         2.5  Non-Operational  Expenses.  The Management Company shall be solely
responsible for the payment of all Management Company Expenses, defined as those
expenses that are not expressly  specified as Operational or Practice  Expenses,
as those  terms  are  defined  herein.  The  Management  Company  shall  pay all

                                       12
<PAGE>


Management  Company  Expenses  as they fall  due;  provided,  however,  that the
Management  Company  may contest in good faith any  claimed  Management  Company
Expenses as to which there is any dispute  regarding  the nature,  existence  or
validity of such claimed Management Company Expenses.

         2.6 Further  Obligations  of the  Management  Company.  The  Management
Company shall cause all work  required to be performed  pursuant to the terms of
this Agreement to be done in a good and professional manner.

3. Responsibilities of the P.C.

         3.1 Professional Services.  During the term of this Agreement, the P.C.
shall  be  solely  responsible  for  all  aspects  of the  medical,  diagnostic,
therapeutic and related professional  services delivered by the Practice and for
the selection, training,  professional direction,  supervision and employment or
engagement of all physicians. The hiring, firing,  credentialing,  disciplining,
and  determination  of  compensation  and benefits of such  physicians  shall be
within the sole discretion of the P.C.

         3.2 Time Commitment. The P.C. shall conduct the Practice fifty-two (52)
weeks per year,  according to a schedule  mutually  determined by the Management
Company and the P.C. The P.C.  shall provide  physicians in adequate  numbers to
meet all of the needs, including emergency needs, of patients of the Practice in
a timely and responsive manner.

                                       13
<PAGE>



         3.3 Quality of Service. The P.C. shall establish and enforce procedures
to  assure  the   appropriateness,   necessity,   consistency,   quality,   cost
effectiveness and efficacy of all professional  services provided to patients of
the Practice. The P.C. shall require each of its physicians,  and the Management
Company shall require each member of its  Professional  Staff, to participate in
and  cooperate  with  any  utilization  management,   quality  assurance,   risk
management,   patient   care   assessment,   continuous   quality   improvement,
accreditation or other similar program or study to review the performance of the
physicians  and  such  Professional  Staff  as may  be  required  by  the  P.C.,
governmental agencies, professional review organizations, accrediting bodies, or
third party payors or health care  entities  with which the P.C. may contract or
affiliate.

         3.4 Billing and Collection.

          (a) The P.C., or the P.C.'s  authorized  billing agent,  shall bill to
     and collect from  patients,  third party payors and others for all services
     rendered by the P.C. or any physician or member of the  Professional  Staff
     in connection  with the Practice.  The P.C.  hereby appoints the Management
     Company as its agent and  attorney-in-fact  for  purposes  of  billing  and
     collecting,  in the  P.C.'s  name and on the  P.C.'s  behalf,  for all such
     professional   services  rendered  in  connection  with  the  Practice,  in
     accordance  with  this  Agreement  and with  the  Billing  Agent  Agreement

                                       14
<PAGE>



     attached hereto as Exhibit A. Subject to the Billing Agent  Agreement,  the
     Management  Company shall issue bills for all such  services  within thirty
     (30) days after such  services are  rendered,  and the  Management  Company
     shall use its best, good faith and diligent efforts to collect for all such
     services as promptly as may be reasonably practicable.

          (b) The P.C. shall provide written notice to the Management Company at
     least thirty (30) days in advance of any proposed change in its charges. If
     the  Management  Company  objects in writing to any such  proposed  revised
     charge the P.C.  shall consult with the  Management  Company  regarding the
     appropriate level of such charge before said charge shall go into effect.

         3.5 Practice  Expenses.  The P.C. shall be solely  responsible  for the
payment of all Practice  Expenses,  as defined  herein.  The P.C.  shall pay all
Practice Expenses as they fall due; provided, however, that the P.C. may contest
in good faith any  claimed  Practice  Expenses  as to which there is any dispute
regarding the nature, existence or validity of such claimed Practice Expenses.

         As used in this  Agreement,  "Practice  Expenses"  shall  mean  (a) any
federal,  state  or  local  income  taxes  of the  Practice;  (b) any  salaries,
benefits,  or  other  direct  costs  with  respect  to the  Professional  Staff,
including   without   limitation,   workers'   compensation,   retirement   plan
contributions,  health, disability and life insurance premiums, payroll taxes or

                                       15
<PAGE>




compensation  paid or payable to  physician  independent  contractors  (or other
independent contractors who provide medical services to patients); (c) physician
licensure fees,  board  certification  fees,  hospital staff privilege dues, and
costs of membership in professional associations for Professional Staff members;
(d) costs of continuing  professional  education for Professional Staff members;
(e) insurance  premiums for policies of  malpractice  insurance for the Practice
and Professional  Staff members;  deductibles under such policies of malpractice
insurance;  any and all costs and expenses incurred with respect to claims under
such policies of malpractice insurance; liability judgments assessed against the
Practice  or  Professional  Staff  members in excess of policy  limits;  and (f)
direct  personal  expenses  of  Professional  Staff  members  of a kind that the
Practice has historically  charged to its  Professional  Staff,  e.g.,  cellular
phone expenses, paging system expenses.

         3.6 Further Obligations of the P.C. In order for the Management Company
to perform its duties as described herein, the P.C. shall:

          (i) Provide full information  regarding its requirements for expansion
     and acquisition;

                                       16
<PAGE>



          (ii) Designate a representative who shall be fully acquainted with the
     P.C.'s  plans and has  authority to render  decisions  promptly and furnish
     information expeditiously; and

          (iii) In the event that the P.C.  becomes aware of any problems in any
     sites or with any acquisition  targets,  give prompt written notice thereof
     to the Management Company.

4. Financial Terms.

         (a) Payment of Operational Expenses.  The Management Company shall pay,
on behalf  and in the name of the P.C.,  all  Operational  Expenses,  as defined
herein, as they fall due, out of Net Practice Revenues;  provided, however, that
the Management Company may, in the name of and on behalf of the P.C., contest in
good faith any  claimed  Operational  Expenses  as to which there is any dispute
regarding  the  nature,  existence  or  validity  of  such  claimed  Operational
Expenses.

         For purposes of this Agreement,  "Operational  Expenses" shall mean the
operating  and  non-operating  expenses  incurred by the  Management  Company in
performing its duties  hereunder,  including,  but not limited to: (a) salaries,
benefits,  and other direct costs (including,  without limitation,  professional
liability  insurance) of all Staff of the P.C.  (but not including  Professional
Staff);  (b) obligations  under leases or subleases for space and equipment used
by the Practice;  (c) personal  property and intangible  taxes assessed  against
assets used by the Clinic; (d) charitable contributions budgeted and approved by
the Management  Company and the P.C.; (e)  depreciation  and  amortization;  (f)
interest expenses;  (g) costs and expenses incurred in recruiting physicians and
other Practice  personnel;  (h) utility expenses  relating to the medical office
space,  and all other  costs  relating to the medical  office  space,  including
without limitation, costs of repair, maintenance,  telephone,  electric, gas and

                                       17
<PAGE>



water  utility  expenses,  general  liability  insurance,   security,   worker's
compensation  for Management  Company  employees,  normal  janitorial  services,
refuse disposal, and medical and office supplies, including pharmaceuticals; (i)
actual costs incurred with respect to billing and  collecting;  (j) premiums for
malpractice and other agreed upon insurance coverage; and (k) obligations of the
P.C. under contracts, including without limitation, that certain contract by and
between the P.C. and Medi-Cen  Corporation of Maryland,  Inc., dated January 17,
1997, and any contracts by and between the P.C. and Health  Quality  Management,
Inc.

         (b)  Compensation to Management  Company.  As compensation for services
rendered under this  Agreement,  the P.C.  shall pay to the  Management  Company
sixty percent (60%) of the Revenue Margin, as defined herein,  per calendar year
(the  "Management  Fee").  The P.C. shall retain the remaining  Revenue  Margin.
Notwithstanding any other provision of this Agreement,  the Management Fee shall
in no event be less than Five Hundred Thousand Dollars ($500,000) per annum (the
"Management  Fee Floor"),  nor exceed a per annum amount equal to the sum of (1)
the  product  of the number of new  Medical  Malls  established  during the then
current year of this Agreement and Five Hundred Thousand Dollars ($500,000) (the
"Management  Fee Cap"),  and (2) the product of the number of  existing  Medical
Malls maintained  during the then current year of this Agreement and One Million
Dollars ($1,000,000). At such time that Net Practice Revenues reach $__________,
and upon each $____________  increase in Net Practice Revenues  thereafter,  the
parties shall have the right to renegotiate  the Management  Fee, the Management
Fee Floor, and the Management Fee Cap to  appropriately  reflect the fair market
value of management and consulting  services  provided by Manager.  In the event
that the Management Cap is reached in any year of this Agreement, the Management

                                       18
<PAGE>



Company shall remit to the P.C. any remaining  Revenue Margin. In the event that
the Management Fee Floor is not reached in any year of this Agreement,  the P.C.
shall  pay to the  Management  Company  the  shortfall.  For  purposes  of  this
Agreement, "Revenue Margin" shall mean the amount equal to Net Practice Revenues
less all Operational Expenses.

         (c) Draws.  Following  the end of each month,  the  Management  Company
shall  estimate  such month's Net Clinic  Revenues by  multiplying  a Historical
Collection Percentage, as defined herein, by such month's gross production.  For
purposes of this Agreement,  the  "Historical  Collection  Percentage"  shall be
determined by averaging the collection percentages for the immediately preceding
six (6) months.  Operational  Expenses  for such month shall then be  subtracted

                                       19
<PAGE>


from  such  estimated  Net  Clinic  Revenues  for such  month,  resulting  in an
estimated Revenue Margin, as defined herein.  The Management Company shall remit
to the  P.C.  forty  percent  (40%)  of such  estimated  Revenue  Margin  by the
fifteenth  (15th) day of the  following  month and shall  retain  any  remaining
amounts as a draw on its Management Fee.

         (d)  Reconciliation.  Within  ninety  (90)  days  after the end of each
calendar quarter,  the Management Company will reconcile the amounts retained by
the Management  Company as draws under  subsection (c) above with the actual Net
Clinic Revenues attributable to the gross production for such quarter, and shall
determine the actual Revenue Margin.  In the event that the amounts  retained by
the Management  Company as draws under  subsection (c) above are less than sixty
percent (60%) of the actual Revenue Margin for such quarter,  the P.C. shall pay
to the Management Company the shortfall.  In the event that the draws paid under
subsection  (c) above are in excess of sixty percent (60%) of the actual Revenue
Margin for such  quarter,  the  Management  Company  shall remit to the P.C. the
overdraft.

                                       20
<PAGE>




         (e) Fair Market Value of Services Rendered. The Management Fee has been
determined  by the  parties to equal the fair  market  value of the  consulting,
administrative  and  management  services  furnished by the  Management  Company
hereunder,  without  taking into  account the  proximity  of the Premises to any
source of  referrals,  or the volume or value of any  referrals of business from
the Management  Company (or its affiliates) to the P.C., or from the P.C. to the
Management   Company  (or  its   affiliates),   that  is  reimbursed  under  any
governmental or private health care payment or insurance program.

         (f) Arm's Length  Transaction.  The  Management Fee paid by the P.C. to
the  Management  Company  hereunder has been  determined by the parties  through
good-faith and arm's length bargaining,  and consistent with industry practices.
No amount paid  hereunder is intended to be, nor shall it be construed to be, an
inducement or payment for referral of, or recommending  referral of, patients by
the P.C. to the  Management  Company (or its  affiliates)  or by the  Management
Company (or its affiliates) to the P.C. In addition,  the Management Fee charged
hereunder does not include any discount, rebate, kickback, or other reduction in
charge,  and the  Management  Fee charged  hereunder  is not intended to be, nor
shall  it be  construed  to be,  an  inducement  or  payment  for  referral,  or

                                       21
<PAGE>


recommendation  of referral,  of patients by the P.C. to the Management  Company
(or its affiliates) or by the Management Company (or its affiliates) to the P.C.

5. Regulatory Matters.

         (a) The P.C.'s physicians and the Professional Staff shall at all times
be free,  in their  sole  discretion,  to  exercise  their  professional/medical
judgment on behalf of patients of the P.C. No  provision  of this  Agreement  is
intended, nor shall it be construed,  to permit the Management Company to affect
or  influence  the  professional/medical  judgment  of any  member of the P.C.'s
Professional  Staff. To the extent that any act or service required or permitted
of the Management Company by any provision of this Agreement may be construed or
deemed to  constitute  the practice of medicine,  the  ownership or control of a
medical  practice,  or the operation of a medical or health care facility,  said
provision of this Agreement  shall be void ab initio and the performance of said
act or service by the Management Company shall be deemed waived by the P.C.

         (b) The parties agree to cooperate with one another in the  fulfillment
of their  respective  obligations  under this Agreement,  and to comply with the
requirements of law and with all ordinances, statutes, regulations,  directives,
orders,  or other lawful  enactments or  pronouncements  of any federal,  state,
municipal,  local or other lawful authority  applicable to the Practice,  and of

                                       22
<PAGE>



any insurance company insuring the Premises or the parties against liability for
accident or injury in or upon the Premises. 6. Insurance.

         6.1 General Comprehensive Liability Insurance.  During the term of this
Agreement, the Management Company shall obtain and maintain at its own expense a
comprehensive general liability insurance policy and such other insurance as may
be required, in such amounts, with such coverages and with such companies as the
Management Company may reasonably determine. 

         6.2  Equipment  Insurance.  The  Management  Company  shall cause to be
carried and maintained insurance against all risks of physical loss or damage to
the  Equipment  in an amount not less than the  original  purchase  price or the
replacement  cost  with  like kind and  quality  at the time of loss,  with such
companies and as the Management  Company shall  reasonably  determine.  

         6.3  Malpractice  Insurance.  During  the term of this  Agreement,  the
Management  Company  shall use its best efforts to obtain and  maintain,  at the
P.C.'s  expense,   professional  liability  insurance  covering  the  P.C.,  the
physicians  and each  Professional  Staff member,  with limits of $1 million per
occurrence and $3 million in the aggregate.  In the event the P.C. has a "claims
made" form of insurance in effect at any time during the term of this Agreement,
the Management Company shall obtain full "tail" coverage to cover any event that
may have occurred during the term of this  Agreement.  The P.C. shall provide to
the  Management  Company  any  information  with  respect  to  the  P.C.  or the

                                       23
<PAGE>



Physicians  necessary  for the  Management  Company to secure such  professional
liability insurance. 

         7.  Indemnification.  Except to the extent  paid from the  proceeds  of
available  insurance,  each party (and its  affiliates)  agrees to indemnify and
hold the other party (and its affiliates) harmless against any loss, cost, suit,
claim, action, cause of action, damage, obligation, contract, demand, liability,
judgment,  verdict,  settlement or expense (including  reasonable attorney's and
other  consultancy  fees and court costs)  arising out of any act or omission of
the  indemnifying  party,  its  employees,  agents or affiliates  that occurs in
connection with this Agreement.

         8. Non-Solicitation.  The P.C. agrees, and shall cause its employees to
agree,  not to solicit  the  employment  of, or to employ,  any  employee of the
Management Company or its affiliates, including but not limited to any member of
the Staff provided by the Management Company to the P.C.  hereunder,  during the

                                       24
<PAGE>



term of this  Agreement,  and for a  period  of one (1)  year  from  the date of
termination or expiration of this Agreement.

         9. Non-Compete. During the term of this Agreement, the P.C. and each of
the physicians  employed or engaged by the P.C.  shall not,  without the express
written consent of the Management Company,  directly or indirectly,  in whole or
in part, own,  manage,  operate,  join,  control,  participate in the ownership,
management,  operation  or control of,  contract  with,  be  employed  by, or be
connected  with in any  manner,  any  business  engaged  in the same or  similar
activities engaged in by the Management Company or the P.C., or that directly or
indirectly competes with the Management Company or the P.C.

         If any part of paragraph 8 or 9 of this Agreement  should be determined
by a court of competent  jurisdiction to be  unreasonable  in nature,  duration,
geographic  area, or scope,  then this Agreement is intended to and shall extend
only for such period of time, in such area and with respect to such activity, as
is determined by said court to be reasonable.

         10.  Disclosure of Information.  The P.C.  recognizes and  acknowledges
that all records,  files,  reports,  protocols,  policies,  manuals, data bases,
processes,  procedures,  computer systems, materials and other documents used by
the Management Company (or its affiliates) in rendering services  hereunder,  or
relating to the operations of the Management Company (or its affiliates), belong
to and shall  remain the  property of the  Management  Company,  and  constitute
proprietary information and trade secrets that are valuable, special, and unique
assets of the  Management  Company's  business.  The P.C.  shall not,  and shall
assure that each of its physicians  shall not,  during or after the term of this
Agreement,  disclose  any  proprietary  information  or  trade  secrets  of  the

                                       25
<PAGE>




Management Company (or its affiliates) to any other firm,  person,  corporation,
association,  or other entity for any reason or purpose whatsoever,  without the
written consent of the Management Company or its respective affiliate.

         11.  Enforcement.  The P.C.  agrees  that the  covenants  set  forth in
paragraphs  8, 9 and 10 are  reasonable  in nature,  duration  and  geographical
scope. The P.C. further  acknowledges that any violation of those covenants will
cause the Management Company irreparable damage, which a monetary award would be
inadequate to remedy,  and that a court or arbitrator of competent  jurisdiction
may,  in  addition to  monetary  awards,  enjoin any breach of and enforce  such
covenants  by  temporary   restraining  order,  and  preliminary  and  permanent
injunctive relief. If a court or arbitrator of competent jurisdiction determines
that any of the covenants in paragraphs 8, 9 and 10 is  unreasonable  in nature,
duration or geographic scope, then the P.C. agrees that such court or arbitrator
shall reform such covenant so that such covenant is  enforceable  to the maximum

                                       26
<PAGE>



extent  permitted  by law for a covenant  of that  nature,  and such court shall
enforce the covenant to that extent.

         12. P.C.  Covenants.  (a) The P.C. agrees that, at all times during the
term of this  Agreement,  the P.C. shall cause its  stockholder and directors to
fix the number of directors of the P.C. at three (3) and to elect the Management
Company  Nominee  to fill at  least  one (1)  position  on the  P.C.'s  Board of
Directors. For purposes of this subparagraph, "Management Company Nominee" shall
mean a licensed physician designated in writing by the Management Company to the
P.C., from time to time.

13. Effective Date; Term and Termination.

         (a) This Agreement  shall be effective  January 1, 1998,  provided that
the Management  Company has completed a successful  Initial  Public  Offering (a
"Successful IPO"), as defined herein, by such date, or upon such later date that
the Management  Company completes a Successful IPO (the "Effective  Date").  For
purposes of this Agreement, a "Successful IPO" shall mean ________________.  The
term of this  Agreement  shall be for thirty (30) years  commencing  on the date
first written  above,  unless sooner  terminated as set forth herein,  and shall

                                       27
<PAGE>



automatically  renew for  successive  five (5) years terms  unless  either party
gives the other at least ninety (90) days prior written  notice of its intention
not to renew prior to the expiration of the then current term.

         (b) Either party may  terminate  this  Agreement  immediately  upon the
occurrence  of any of the following  events with regard to the other party:  (i)
the making of a general assignment for the benefit of creditors; (ii) the filing
of a voluntary  petition or the  commencement  of any proceeding by either party
for any relief under any bankruptcy or insolvency  laws, or any laws relating to
the relief of debtors, readjustment of indebtedness, reorganization, composition
or extension;  (iii) the filing of any involuntary  petition or the commencement
of any proceeding by or against either party for any relief under any bankruptcy
or insolvency laws, or any laws relating to the relief of debtors,  readjustment
of indebtedness,  reorganization,  composition or extension, which such petition
or proceeding  is not dismissed  within ninety (90) days of the date on which it
is filed or  commenced;  or (iv)  suspension  of the  transaction  of the  usual
business of either party for a period in excess of thirty (30) days.

         (c) The Management  Company may terminate  this  Agreement  immediately
upon written notice to the P.C. of any breach of the Stock Transfer  Restriction
Agreement between the P.C. and the stockholders of the P.C.

                                       28
<PAGE>



         (d) The Management  Company may terminate  this  Agreement  immediately
upon written notice to the P.C. of any breach of paragraph 9 of this Agreement.

         (e) The  Management  Company may terminate  this Agreement at any time,
with or without  cause,  by giving the P.C.  ninety  (90)  days'  prior  written
notice; provided, however, that if this Agreement is terminated pursuant to this
paragraph,  the parties may not enter into a  substantially  similar  management
agreement within __ days of such termination.

         (f) The P.C. may terminate this Agreement upon one year's prior written
notice  to the  Management  Company  in the  event of a  material  breach by the
Management  Company of any material term or condition  hereof, if such breach is
not cured to the reasonable  satisfaction  of the P.C. within one year after the
P.C. has given notice thereof to the Management Company.

         (g) Upon  termination  or expiration of this Agreement by either party,
the P.C.  shall pay the  Management  Company any amounts owed to the  Management
Company under paragraph 4 hereof as of the date of termination or expiration.

         (h) Upon  termination or expiration of this  Agreement,  the P.C. shall
return to the Management Company any and all property of Management Company that
may be in the P.C.'s possession or under the P.C.'s control.

                                       29
<PAGE>


14. Arbitration.

         Any  disputes  arising  under  this  Agreement  or any  breach  of this
Agreement,  shall be determined by arbitration  in accordance  with the rules of
the  American  Arbitration  Association  ("Association"),  then in effect,  by a
single arbitrator selected by mutual agreement of the parties or, if the parties
are unable to agree on an  arbitrator,  by the  Association;  provided that this
paragraph  shall not  restrict  the right of either  party to  institute a legal
proceeding to enable such party to obtain temporary injunctive relief during the
pendency  of  any  such  arbitration.  A  determination  of the  dispute  by the
arbitrator  shall be final and binding on the parties to the extent permitted by
law. The cost of the  arbitration,  other than  attorneys  or other  consultancy
fees,  shall be borne  equally by the  parties.

         15.  Status of  Parties.  In the  performance  of the work,  duties and
obligations under this Agreement, it is mutually understood and agreed that each
party is at all times acting and  performing as an independent  contractor  with
respect to the other and that no relationship  of partnership,  joint venture or
employment is created by this Agreement.

         16. Force  Majeure.  Neither  party shall be deemed to be in default of
this  Agreement if prevented from  performing  any obligation  hereunder for any
reason beyond its control, including but not limited to, Acts of God, war, civil
commotion,  fire,  flood  or  casualty,  labor  difficulties,  shortages  of  or
inability to obtain labor, materials or equipment,  governmental  regulations or

                                       30
<PAGE>




restrictions,  or unusually severe weather.  In any such case, the parties agree
to negotiate in good faith with the goal of  preserving  this  Agreement and the
respective  rights  and  obligations  of the  parties  hereunder,  to the extent
reasonably  practicable.  It is agreed that financial  inability  shall not be a
matter beyond a party's reasonable control.

         17.  Notices.  Any notices to be given hereunder by either party to the
other  shall  be  deemed  to be  received  by the  intended  recipient  (a) when
delivered personally,  (b) the day following delivery to a nationally recognized
overnight  courier  service with proof of delivery,  or (c) three (3) days after
mailing by certified  mail,  postage prepaid with return receipt  requested,  in
each case  addressed to the parties at the  addresses  set forth below or at any
other address designated by the parties in writing:



         If to the Management Company:

         Medi-Cen Management, Inc.
         5530 Wisconsin Avenue, Suite 1248
         Chevy Chase, Maryland  20815
         Attention:  Harrison Jett

         If to the P.C.:

         Yater Medical Group, P.C.
         1780 Massachusetts Avenue, N.W.
         Washington, D.C.  20036-1999
         Attention:  P. Steven Macedo, M.D.

                                       31
<PAGE>





         18.  Entire  Agreement.  This  Agreement  supersedes  any and all other
agreements,  either oral or in writing,  between the parties hereto with respect
to the  subject  matter of this  Agreement.  This  Agreement  may not be changed
orally,  and may only be  amended  by an  agreement  in  writing  signed by both
parties.

         19. No Rights in Third Parties.  This Agreement is not intended to, nor
shall it be construed  to,  create any rights in any third  parties,  including,
without  limitation,  in any  Physicians  employed  or  engaged  by the P.C.  in
connection with the Practice.

         20. Governing Law. This Agreement shall be governed by and construed in
accordance with the laws of the State of Maryland.

         21. Severability. If any provision of this Agreement shall be held by a
court of competent  jurisdiction  to be contrary to law, that  provision will be
enforced to the maximum extent permissible, and the remaining provisions of this
Agreement will remain in full force and effect,  unless to do so would result in
either party not receiving the benefit of its bargain.

         22. Waiver.  The failure of a party to insist upon strict  adherence to
any term of this  Agreement on any occasion  shall not be considered a waiver or
deprive  that  party of the right  thereafter  to that term or any other term of
this Agreement.

         23. Rights Unaffected. No amendment,  supplement or termination of this
Agreement  shall  affect or impair  any  rights or  obligations  that shall have
theretofore matured hereunder.

                                       32
<PAGE>



         24.  Interpretation  of Syntax.  All references  made and pronouns used
herein shall be construed in the singular or plural,  and in such gender, as the
sense and circumstances require.

         25. Successors. This Agreement shall be binding upon and shall inure to
the benefit of the parties,  their respective heirs,  executors,  administrators
and assigns.

         26. Further Actions. Each of the parties agrees that it shall hereafter
execute and deliver such further instruments and do such further acts and things
as may be  required  or useful  to carry  out the  intent  and  purpose  of this
Agreement and as are not inconsistent with the terms hereof.

         27.  Assignability.  The P.C. may not assign this Agreement except with
the prior written approval of Management Company.  Management Company may assign
this Agreement after written notice to the P.C.

                                       33

<PAGE>



         IN WITNESS  WHEREOF,  and  intending to be legally  bound,  the parties
hereto affix their signatures below and execute this Agreement under seal. YATER
MEDICAL GROUP, P.C.



By:  _____________________________           Date:  __________________________



MEDI-CEN MANAGEMENT, INC.



By:  _____________________________           Date:  __________________________

                                       34





                      STOCK TRANSFER RESTRICTION AGREEMENT
                                      AMONG
                           YATER MEDICAL GROUP, P.C.,
                  a District of Columbia Profession Corporation
                           MEDI-CEN MANAGEMENT, INC.,
                             a Maryland Corporation
                             P. STEVEN MACEDO, M.D.,
                                       AND
                              ILENE S. MACEDO, M.D.




                               December 31, 1997




<PAGE>


                           STOCK TRANSFER RESTRICTION AGREEMENT

     THIS  AGREEMENT  made as of the 31 day of Dec.  1997,  by and  among  Yater
Medical  Group,  P.C.,  a District of  Columbia  professional  corporation  (the
"Corporation"),  Medi-Cen  Management,  Inc. a Maryland  corporation ("MMI"), P.
Steven Macedo, M.D. and Ilene S. Macedo, M.D.  (individually,  the "Stockholder"
and together the "Stockholders").

                              W I T N E S S E T H:

     WHEREAS,  the  Stockholders  collectively  are the holder of 4000 shares of
issued  and  outstanding  $1.00  par  value  common  stock  of the  Corporation,
constituting all of the issued and outstanding common stock of the Corporation;

     WHEREAS,  the  Corporation and the  Stockholders  believe that it is in the
best interest of the Corporation to restrict the transferability of the stock in
the Corporation; and

     NOW,  THEREFORE,  in consideration of the premises and the mutual covenants
contained herein, the parties covenant and agree as follows:

     1.  Restrictions  On  Shares.  Except as  otherwise  provided  herein,  the
Stockholders  shall not  sell,  assign,  transfer,  gift,  pledge,  hypothecate,
encumber  or  otherwise  dispose  of,  whether  voluntarily,  involuntarily,  by
operation of law or otherwise,  any shares of the stock of the Corporation which
the


<PAGE>


Stockholders now own or may hereafter acquire (the  "Stock").  In addition,  the
Stockholders  shall not cause the  Corporation to authorize,  approve or declare
any dividend or other distribution with respect to the Stock.
 
     2. Automatic Transfer of Shares in Certain Events.

          (a) By execution of this  Agreement,  each  Stockholder  hereby agrees
     that all of the shares of Stock of the Corporation held by the Stockholders
     (or any heir, executor,  administrator,  personal  representative,  estate,
     testamentary  beneficiary,  donee,  trustee  in  bankruptcy,  successor  or
     assignee of the Stockholders) shall be transferred,  or deemed transferred,
     to the Designated  Transferee (defined below) without further action by the
     Stockholders  upon  the  occurrence  any of the  following  events  (each a
     "Transfer Event"): 

               (i) the date of death of the last Stockholder to die;

               (ii) the date the last of all of the  Stockholders  is determined
          by a court of competent jurisdiction to be incompetent, or permanently
          disabled  so as to be unable to render any  professional  services  on
          behalf of the Corporation;

               (iii)  the  date  the  last  of all of the  Stockholders  becomes
          disqualified   under  applicable  law  to  be  a  shareholder  of  the
          corporation;


                                      - 2 -


<PAGE>




               (iv) the date upon  which any of the  shares of Stock held by the
          Stockholders   are   transferred   or  attempted  to  be   transferred
          voluntarily,  involuntarily  by  operation  of law or otherwise to any
          person; or

               (v) the date of filing any petition for or other document causing
          or  intended  to  cause  a  judicial,  administrative,   voluntary  or
          involuntary dissolution of the Corporation.

          (b) Transfer of Stock.  Upon the  occurrence of a Transfer  Event with
     respect to the  Stockholders,  subject to the terms set forth below, all of
     the Stock of the Corporation  held by the  Stockholders or their successors
     and assigns shall be immediately transferred, or deemed transferred, to the
     Designated Transferee without further action by the Stockholders:

               (i)  The  purchase  price  for  the  Stock   transferred  to  the
          Designated  Transferee  pursuant to this Section 2 shall be the stated
          par value of the Stock.

               (ii) Payment of the purchase price for the Stock shall be made to
          the  Stockholders in cash or by certified or cashiers check.  The time
          for payment of the purchase price for the Stock  hereunder shall be at
          10:00  a.m.  on  the  first  business  day  following  receipt  by the
          Designated Transferee of notice of such Transfer Event (provided,


                                      - 3 -


<PAGE>


          however, that in the absence of such notice, the Designated Transferee
          shall upon becoming aware of any such Transfer  Event promptly  notify
          the  Stockholders,  the  Corporation  and of such  Transfer  Event and
          tender to the  Stockholders  the  purchase  price for the Stock).  The
          Designated Transferee shall tender the purchase price at the principal
          office  of the  Corporation.  

               (iii)  Notwithstanding  anything to the contrary herein, upon the
          occurrence  of  a  Transfer  Event,  the  Stock  will  be  immediately
          transferred,  or  deemed  transferred,  to the  Designated  Transferee
          effective  upon the date of such Transfer  Event  irrespective  of the
          date of payment for such Stock.  

          (c)   Definition.   For  purposes  of  this   Agreement,   "Designated
     Transferee"  shall mean an  individual,  designated  by MMI, and  otherwise
     meeting the qualifications for ownership of the Corporations shares. 

          (d) Deposit and Custody of Stock. Upon release of the Certificate from
     George Mason Bank the parties  agree that MMI shall hold stock  certificate
     no. 5 (the "Certificate") of the Corporation, evidencing 4000 shares of the
     Stock of the  Corporation,  duly endorsed in blank,  for the benefit of the
     Designated  Transferee.  Upon the occurrence of a Transfer Event, MMI shall
     endorse  the  Certificate  in the  name of the  Designated  Transferee  and
     release the Certificate to the Clerk of the


                                      - 4 -


<PAGE>




     Corporation  for  cancellation  by the  Clerk,  registration  of the shares
     represented  thereby in the name of the Designated  Transferee on the books
     of the  Corporation,  and issuance of a new  certificate in the name of the
     Designated   Transferee.   

          (e)  Deliveries by  Designated  Transferee.  Notwithstanding  anything
     herein to the contrary, release by MMI of a Certificate to the Clerk of the
     Corporation shall be contingent on MMI's prior or concurrent receipt of:

               (i) a stock transfer power executed by the  Stockholder  covering
          the Stock transferred to the Designated Transferee;

               (ii)  issuance  by the  Corporation  of a new  stock  certificate
          evidencing the Designated  Transferee's  ownership of the Stock in the
          Corporation; and

               (iii) a copy of this  Agreement  duly executed by the  Designated
          Transferee substituting the Designated Transferee for the Stockholders
          hereunder. 

     3. Other Matters.

          (a) Upon the occurrence of a Transfer Event, the Stockholders shall be
     disqualified  as  stockholders of the  Corporation,  and shall  immediately
     resign, as President and/or as any other officer of the Corporation.

          (b) After  occurrence of a Transfer Event,  the  Stockholder,  and any
     person who acquires the Stock, other than


                                     - 5 -

<PAGE>


     the  Designated  Transferee,  shall  neither have nor exercise any right or
     privilege  as a  stockholder  of the  Corporation,  including  any right to
     receive any unallocated or undistributed dividend.

     4. Restrictions on Certificates.  Upon the execution of this Agreement, the
Stockholders shall surrender their certificates representing shares of the Stock
subject to this Agreement to the  Corporation  for the purpose of placing notice
of the  restrictions on transfer  occasioned by this Agreement  substantially as
follows:

     IN ADDITION,  THE OWNERSHIP AND TRANSFER OF THESE SHARES AND THE RIGHTS AND
     OBLIGATIONS OF SHAREHOLDERS  ARE SUBJECT TO THE LIMITATIONS OF THE DISTRICT
     OF COLUMBIA  PROFESSIONAL  CORPORATION ACT. THE SHARES  REPRESENTED BY THIS
     CERTIFICATE  ARE  SUBJECT  TO THE  TERMS  OF A STOCK  TRANSFER  RESTRICTION
     AGREEMENT (A COPY OF WHICH IS ON FILE WITH THE  CORPORATION  AND  AVAILABLE
     WITHOUT  CHARGE),  AND NO TRANSFER OF THE SHARES  REPRESENTED  HEREBY OR OF
     SHARES ISSUED IN EXCHANGE  THEREFOR  SHALL BE VALID OR EFFECTIVE  UNTIL THE
     TERMS AND CONDITIONS OF SUCH AGREEMENT SHALL HAVE BEEN FULFILLED.

     After such notice has been placed on such certificate, it shall be returned
to the  Stockholder.  All Stock which is subject to this  Agreement and which is
issued to the Stockholders  after the date of this Agreement shall bear the same
notice.

     5.  Subordination.  Notwithstanding  any other provision of this Agreement,
this Agreement and any and all rights created


                                      - 6 -

<PAGE>


hereunder  shall be  subordinate  to the rights of  Allegiance  Bank,  N.A. (the
"Bank")  under that  certain  Commercial  Pledge and  Security  Agreement  dated
January 17, 1997, by and between Yater Medical Group, P.C. as Borrower, Pedro S.
Buarque de Macedo and Ilene S.  Buarque  de Macedo as  Grantor,  and the Bank as
Lender.

     6.  Notices.  All  notices,  requests,  consents  and other  communications
hereunder  shall be in writing,  shall be  addressed  to the  receiving  party's
address set forth  below or to such other  address as a party may  designate  by
notice  hereunder,  and shall be either (i)  delivered  by hand,  (ii)  telexed,
telecopied or made by facsimile  transmission,  (iii) sent by overnight courier,
or (iv) sent by certified or registered mail, return receipt requested,  postage
prepaid.

     If to the Corporation:        Yater Medical Group, P.C.
                                   1780 Massachusetts Avenue, N.W.
                                   Washington, D.C. 20036

     If to the Stockholders:       P. Steven Macedo, M.D.
                                   Ilene S. Macedo, M.D.
                                   6305 Mountain Branch Court
                                   Bethesda, Maryland 20815

     If to MMI:                    Medi-Cen Management, Inc.
                                   5110 Ridgefield Road
                                   Bethesda, Maryland 20816


All notices,  requests,  consents and other  communications  hereunder  shall be
deemed to have been given either (i) if by


                                      - 7 -


<PAGE>


hand, at the time of the delivery  thereof to the receiving party at the address
of such party set forth above, (ii) if telexed,  telecopied or made by facsimile
transmission,  at the  time  that  receipt  thereof  has  been  acknowledged  by
electronic confirmation or otherwise, (iii) if sent by overnight courier, on the
next day  following  the day such  mailing  is made  (or in the case  that  such
mailing is made on Saturday,  on the immediately  following Monday),  or (iv) if
sent by certified or registered  mail, on the 3rd day following the time of such
mailing  thereof to such  address (or in the case that such 3rd day is a Sunday,
on the immediately following Monday).

     7. Successors.  This Agreement shall be binding upon and shall inure to the
benefit of the parties hereto, and their authorized  successors or assigns.  The
rights of any party  hereunder  may not be  assigned  without the consent of the
remaining parties hereto.

     8. Additional Stockholders.  Each holder of any of the capital stock of the
Corporation or any rights to acquire capital stock of the Corporation, including
any  holder  of any  warrant,  option  or  other  security  convertible  into or
exchangeable for capital stock of the  Corporation,  shall execute a counterpart
of this Agreement  acknowledging  that the  restrictions  contained herein shall
apply to such stock or rights to acquire stock in the Corporation.


                                      - 8 -


<PAGE>


     9.  Third  Party  Beneficiary.  The  parties  hereto  acknowledge  that the
Designated  Transferee,  if and when he or she becomes a Designated  Transferee,
shall have standing to enforce the provisions of this Agreement.

     10.  Governing Law. This Agreement,  the rights and obligations  hereunder,
and any claims or disputes relating thereto,  shall be governed by and construed
in accordance with the laws of the District of Columbia.

     11. Complete  Agreement.  All understandings and agreements  heretofore had
between the parties hereto with respect to the transactions  contemplated hereby
are  merged  into  this   Agreement,   and  this  Agreement   reflects  all  the
understandings of the parties with respect to such transactions.

     12.  Captions.  The section  titles or captions in this  Agreement  are for
convenience of reference only. They shall not be considered to be a part of this
Agreement,  and they in no way define,  limit,  extend or describe  the scope or
intent of any provision hereof.

     13.  Modification.  This Agreement cannot be modified,  extended or amended
except by written agreement signed by all of the parties hereto.

     14.  Arbitration.  Any dispute regarding the meaning and  interpretation of
this Agreement shall be submitted to arbitration.  The parties hereto agree that
all disputes arising


                                      - 9 -


<PAGE>


under this  Agreement  shall be settled by  arbitration  in accordance  with the
rules of the American  Arbitration  Association in the District of Columbia (the
"Association"),  then in  effect,  before a single  arbitrator  chosen by mutual
agreement  of  the  parties  or,  if the  parties  are  unable  to  agree  on an
arbitrator, by the Association. A determination of the dispute by the arbitrator
shall be final and  binding on the parties to the extent  provided  by law.  The
cost of the  arbitration,  other than attorney's and consultancy  fees, shall be
borne equally by the parties.

     15.  Confidentiality.  The existence  and the terms and  conditions of this
Agreement are  confidential and shall not be disclosed to any third party by any
party to this Agreement  without the prior written  consent of all other parties
to this Agreement.

     16.   Counterparts.   This  Agreement  may  be  executed  in  two  or  more
counterparts  and  each  counterpart,  when  so  executed  and  delivered  shall
constitute  a complete and  original  instrument,  and it shall not be necessary
when making  proof of this  Agreement or any  counterpart  thereto to produce or
account for any other counterparts.


                                     - 10 -


<PAGE>


     IN WITNESS  WHEREOF,  the parties have executed this  Agreement as a sealed
instrument on the date first written above.


                                      Yater Medical Group, P.C.
              
                                      By: /s/ P. Steven Macedo 12/31/97
                                         ----------------------------------
                                         P. Steven Macedo, President
              
                                      Medi-Cen Management, Inc.
              
                                      By: /s/ Mickey Macedo 12/31/97
                                         ----------------------------------
                                         Mickey Macedo, CEO
              
                                      By: /s/ P. Steven Macedo 12/31/97
                                         ----------------------------------
                                         P. Steven Macedo, M.D.,
                                         Individually
              
                                      By: /s/ Ilene S. Macedo, M.D.12/31/97
                                         ----------------------------------
                                         Ilene S. Macedo, M.D.
                                         Individually


                                     - 11 -





               PARTNERSHIP INTEREST TRANSFER RESTRICTION AGREEMENT
                                      AMONG
                    WASHINGTON NEUROLOGY ASSOCIATES, L.L.P.,
                    a Maryland Limited Liability Partnership,
                           MEDI-CEN MANAGEMENT, INC.,
                             a Maryland Corporation
                             P. STEVEN MACEDO, M.D.,
                                       AND
                              ILENE S. MACEDO, M.D.




                                December 31, 1997


<PAGE>


               PARTNERSHIP INTEREST TRANSFER RESTRICTION AGREEMENT

     THIS  AGREEMENT  made as of the 31st day of  December  1997,  by and  among
Washington   Neurology   Associates,   L.L.P.,  a  Maryland  limited   liability
partnership  (the   "Partnership"),   Medi-Cen   Management,   Inc.  a  Maryland
corporation   ("MMI"),  P.  Steven  Macedo,  M.D.  and  Ilene  S.  Macedo,  M.D.
(individually, the "Partner" and together the "Partners").

                              W I T N E S S E T H:

     WHEREAS,   each  Partner  owns  a  fifty  percent  (50%)  interest  in  the
Partnership;

     WHEREAS,  the Partnership  and the Partners  believe that it is in the best
interest of the Partnership to restrict the  transferability of the interests in
the Partnership.

     NOW,  THEREFORE,  in consideration of the premises and the mutual covenants
contained herein, the parties covenant and agree as follows:

     1.  Restrictions On Partnership)  Interests.  Except as otherwise  provided
herein,   the  Partners  shall  not  sell,  assign,   transfer,   gift,  pledge,
hypothecate,   encumber   or   otherwise   dispose  of,   whether   voluntarily,
involuntarily,  by operation of law or otherwise,  any partnership  interests of
the  Partnership  which  the  Partners  now own or may  hereafter  acquire  (the
"Partnership Interests").


<PAGE>


     2. Automatic Transfer of Partnership Interests in Certain Events.

          (a) By execution of this  Agreement,  each Partner  hereby agrees that
     each Partner's  Partnership Interest (or the Partnership Interest of either
     Partner's heir, executor, administrator,  personal representative,  estate,
     testamentary  beneficiary,  donee,  trustee  in  bankruptcy,  successor  or
     assignee of the Partners) shall be transferred,  or deemed transferred,  to
     the Designated  Transferee  (defined  below) without  further action by the
     Partners upon the occurrence any of the following  events (each a "Transfer
     Event"):

               (i) the date of death of a Partner;

               (ii) the date a Partner  is  determined  by a court of  competent
          jurisdiction  to be incompetent,  or permanently  disabled so as to be
          unable  to  render  any   professional   services  on  behalf  of  the
          Partnership;

               (iii) the date a Partner becomes  disqualified  under  applicable
          law to be a partner of the Partnership;

               (iv) the date upon which any of the Partnership Interests held by
          the  Partners  are   transferred   or  attempted  to  be   transferred
          voluntarily,  involuntarily  by  operation  of law or otherwise to any
          person;  or 

               (v) the date of filing any petition for or other document causing
          or intended to cause a judicial,


                                        2


<PAGE>

          administrative,   voluntary   or   involuntary   dissolution   of  the
          Partnership.

          (b)  Transfer  of  Partnership  Interests.  Upon the  occurrence  of a
     Transfer Event with respect to the Partners, subject to the terms set forth
     below,  the  Partnership  Interest  held  by  such  Partner  or  his or her
     successors  and  assigns  shall  be  immediately  transferred,   or  deemed
     transferred,  to the Designated  Transferee  without  further action by the
     Partner: 

               (i) The purchase price for the Partnership  Interest  transferred
          to the Designated  Transferee pursuant to this Section 2 shall be fair
          market value as is determined by the mutual  agreement of the affected
          parties.
     
               (ii) Payment of the purchase price for the  Partnership  Interest
          shall  be made to the  Partner  in cash or by  certified  or  cashiers
          check.  The time for payment of the purchase price for the Partnership
          Interest  hereunder  shall be at 10:00 a.m. on the first  business day
          following  receipt  by the  Designated  Transferee  of  notice of such
          Transfer Event (provided, however, that in the absence of such notice,
          the  Designated  Transferee  shall  upon  becoming  aware  of any such
          Transfer  Event  promptly  notify the Partners and the  Partnership of
          such Transfer  Event and tender to the Partner the purchase  price for
          the Partnership Interest). The Designated Transferee shall

                                       3

<PAGE>




          tender the purchase price at the principal office of the Partnership.

               (iii)  Notwithstanding  anything to the contrary herein, upon the
          occurrence  of a Transfer  Event,  the  Partnership  Interest  will be
          immediately  transferred,  or deemed  transferred,  to the  Designated
          Transferee effective upon the date of such Transfer Event irrespective
          of the date of payment for such Partnership Interest.  

          (c)   Definition.   For  purposes  of  this   Agreement,   "Designated
     Transferee"  shall mean an  individual,  designated  by MMI, and  otherwise
     meeting the  qualifications for ownership of the Partnership  Interest. 
     

     3. Other Matters.  After occurrence of a Transfer Event,  the Partner,  and
any person who  acquires the  Partnership  Interest,  other than the  Designated
Transferee, shall neither have nor  exercise any right or privilege as a Partner
of  the  Partnership,   including  any  right  to  receive  any  unallocated  or
undistributed income.

     4. Amendment of Partnership  Agreement.  This Agreement amends the terms of
the  Amended  and  Restated  Certificate  of Limited  Liability  Partnership  of
Washington Neurology Associates, L.L.P., Washington Neurology Associates Limited
Liability  Partnership Agreement dated March 21, 1997, and filed March 27, 1997.
Accordingly, Partners warrant that they will


                                        4

<PAGE>




file a Second Amended and Restated Certificate of Limited Liability  Partnership
within   sixty  (60)  days  of  the  date  of  this   Agreement   limiting   the
transferability   of  their  Partnership   Interests  in  accordance  with  this
Agreement.

     5.  Notices.  All  notices,  requests,  consents  and other  communications
hereunder  shall be in writing,  shall be  addressed  to the  receiving  party's
address set forth  below or to such other  address as a party may  designate  by
notice  hereunder,  and shall be either (i)  delivered  by hand,  (ii)  telexed,
telecopied or made by facsimile  transmission,  (iii) sent by overnight courier,
or (iv) sent by certified or registered mail, return receipt requested,  postage
prepaid.

If to the Partnership:
Washington Neurological Associates, L.L.P.
5530 Wisconsin Avenue
Suite 1248
Chevy Chase, Maryland 20815

If to the Partners:
P. Steven Macedo, M.D.
Ilene S. Macedo, M.D.
6305 Mountain Branch Court
Bethesda, Maryland 20815

If to MMI:
Medi-Cen Management, Inc.
5110 Ridgefield Road
Bethesda, Maryland 20816

All notices,  requests,  consents and other  communications  hereunder  shall be
deemed to have been  given  either (i) if by hand,  at the time of the  delivery
thereof to the receiving party


                                        5


<PAGE>


at the address of such party set forth  above,  (ii) if telexed,  telecopied  or
made by  facsimile  transmission,  at the time  that  receipt  thereof  has been
acknowledged by electronic confirmation or otherwise, (iii) if sent by overnight
courier,  on the next day following the day such mailing is made (or in the case
that such mailing is made on Saturday,  on the immediately following Monday), or
(iv) if sent by certified or registered  mail, on the 3rd day following the time
of such  mailing  thereof to such address (or in the case that such 3rd day is a
Sunday, on the immediately following Monday).

     6. Successors.  This Agreement shall be binding upon and shall inure to the
benefit of the parties hereto, and their authorized  successors or assigns.  The
rights of any party  hereunder  may not be  assigned  without the consent of the
remaining parties hereto.

     7.  Third  Party  Beneficiary.  The  parties  hereto  acknowledge that  the
Designated  Transferee,  if and when he or she becomes a Designated  Transferee,
shall have standing to enforce the provisions of this Agreement.

     8. Governinq Law. This Agreement, the rights and obligations hereunder, and
any claims or disputes relating  thereto,  shall be governed by and construed in
accordance with the laws of the State of Maryland.


                                        6


<PAGE>


     9. Complete  Aqreement.  All understandings  and agreements  heretofore had
between the parties hereto with respect to the transactions  contemplated hereby
are  merged  into  this   Agreement,   and  this  Agreement   reflects  all  the
understandings of the parties with respect to such transactions.

     10.  Captions.  The section  titles or captions in this  Agreement  are for
convenience of reference only. They shall not be considered to be a part of this
Agreement,  and they in no way define,  limit,  extend or describe  the scope or
intent of any provision hereof.

     11.  Modification.  This Agreement cannot be modified,  extended or amended
except by written agreement signed by all of the parties hereto.

     12.  Arbitration.  Any dispute regarding the meaning and  interpretation of
this Agreement shall be submitted to arbitration.  The parties hereto agree that
all disputes  arising under this  Agreement  shall be settled by  arbitration in
accordance with the rules of the American  Arbitration  Association in the State
of Maryland  (the  "Association"),  then in effect,  before a single  arbitrator
chosen by mutual agreement of the parties or, if the parties are unable to agree
on an arbitrator,  by the  Association.  A  determination  of the dispute by the
arbitrator  shall be final and binding on the parties to the extent  provided by
law. The cost of the arbitration, other


                                        7


<PAGE>




than attorney's and consultancy fees, shall be borne equally by the parties.

     13.  Confidentiality.  The existence and the terms and  conditions  of this
Agreement are  confidential and shall not be disclosed to any third party by any
party to this Agreement  without the prior written  consent of all other parties
to this Agreement.

     14.   Counterparts.   This  Agreement  may  be  executed  in  two  or  more
counterparts  and  each  counterpart,  when  so  executed  and  delivered  shall
constitute  a complete and  original  instrument,  and it shall not be necessary
when making  proof of this  Agreement or any  counterpart  thereto to produce or
account for any other counterparts.


                                        8


<PAGE>



           IN WITNESS WHEREOF, the parties have executed this Agree-
  ment as a sealed instrument on the date first written above.

                                      Washington Neurology Associates, L.L.P.

                                      By: /s/ P. Steven Macedo, Partner 12/31/97
                                         ---------------------------------------
                                         P. Steven Macedo, Partner
              
                                      By: /s/ Ilene S. Macedo, Partner 12/31/97
                                         ---------------------------------------
                                         Ilene S. Macedo, Partner

                                      Medi-Cen Management, Inc.
              
                                      By: /s/ Mickey Macedo, CEO 12/31/97
                                         ---------------------------------------
                                         Mickey Macedo, CEO
              
                                      By: /s/ P. Steven Macedo, M.D. 12/31/97
                                         ---------------------------------------
                                         P. Steven Macedo, M.D.,
                                         Individually
              
                                      By: /s/ Ilene S. Macedo, M.D.12/31/97
                                         ---------------------------------------
                                         Ilene S. Macedo, M.D.
                                         Individually


                                       9




                              EMPLOYMENT AGREEMENT


         THIS  AGREEMENT,  made this 11th day of March,  1997, is by and between
MEDI-CEN  MANAGEMENT,  INC., a Maryland  corporation  ("Employer") and P. STEVEN
MACEDO, M.D. ("Employee").

                             INTRODUCTORY STATEMENT

         Employer  is engaged in the  business  of  providing  medical  practice
management and related services.  Employee has agreed to be employed by Employer
and Employer has agreed to employ Employee  pursuant to the terms and conditions
hereinafter set forth. The parties hereto acknowledge and agree that it would be
in the best interest of all parties to clearly define both the  responsibilities
of Employee as well as set out the  compensation  and other  benefits which will
accrue to Employee.

         NOW,  THEREFORE,  in  consideration  of  the  mutual  covenants  herein
contained the parties hereto do agree as follows:

         1. Employment.  Employer hereby employs,  engages and hires Employee as
Chairman of the Board and  Secretary of Employer to render such  services as are
typically  required of the  Chairman of the Board and  Secretary of a for profit
corporation  and such  other  services  as may be  required  from  time to time.
Employee  hereby  accepts and agrees to such hiring,  engagement  and employment
subject to the  general  supervision  and  pursuant  to the  orders,  advice and
directions of the Board of Directors of Employer.

         2. Best Efforts of Employee.  Employee  hereby agrees that at all times
he will faithfully, industriously and to the best of his ability, experience and
talents perform all duties that may be required of him pursuant to the expressed
and  implicit  terms  hereof.  Such  duties  shall be rendered at such times and
places as Employer in good faith shall require.  Employee agrees that at no time
while this  Agreement is in effect will Employee  speak of, refer to, or comment
on Employer's  businesses in any way that tends,  either directly or indirectly,
to detract from or diminish the good reputation of Employer's  businesses in the
community, the successful and effective conduct of Employer's businesses, or the
good will of Employer's  businesses.  Violation of any provision of this section
shall be deemed a material breach of this Agreement.



<PAGE>



         3. Term.  The term of this  Agreement  shall be for a period of two (2)
years  commencing  as of the date  hereof and  terminating  on the second  (2nd)
anniversary  of the date  hereof,  subject,  however,  to prior  termination  as
hereinafter provided.

         4. Compensation of Employee.

          a. Base Compensation. For all services rendered by Employee under this
     Agreement,  Employer shall pay Employee the amount  determined by the Board
     of Directors.

          b. Stock Option Plan. It is anticipated that there will be a 4.132 for
     1 stock split of the  Company's  Common  Stock.  Employee  shall be granted
     options to purchase 900,000 post split shares of the Company's Common Stock
     from the Stock Option Plan of Employer to be  established  at a price equal
     to the Initial  Public  Offering  ("IPO")  price per share of the Company's
     Common Stock.  All Options granted  pursuant to this Section 4.b shall vest
     upon issuance.  Options to purchase  450,000 shares shall be exercisable on
     or after the date of the IPO and the  remaining  450,000  options  shall be
     exercisable  on or after  January 1, 1999,  provided the IPO has  occurred.
     Subject  to  the  immediately  preceding  sentence,  the  options  will  be
     exercisable for a period of ten (10) years from the date of grant.

         5.  Recommendations  for  Improving  Operations.  Employee  shall  make
available to Employer all information of which Employee shall have any knowledge
and shall make all suggestions and recommendations that will give mutual benefit
to Employer and himself.

         6. Termination.

          a. This Agreement shall be terminated  immediately upon the occurrence
     of one of the  following  conditions or events:  (i) in the event  Employee
     conducts  himself in an  unprofessional,  unethical,  immoral or fraudulent
     manner,  or  should  the  Employee's   conduct  discredit  Employer  or  be
     detrimental  to the  reputation,  character and standing of Employer;  (ii)
     conviction of any crime of moral turpitude or of any crime  punishable as a
     felony; or (iii) the death of Employee.

          b. In accordance with Section 2-413 of Maryland's General  Corporation
     Law,  Employer's  Board of Directors may remove Employee and terminate this
     Agreement at any time if, in the

                                        2

<PAGE>



Board's judgment, the best interests of Employer will be served thereby.

          c. Employer may terminate  this  Agreement at any time, for any reason
     whatsoever, upon thirty (30) days written notice to Employee.

         7. Return of Documents.  Upon  termination of employment,  whether such
termination be voluntary or involuntary,  Employee shall deliver to Employer all
records, lists, receipts, contracts and other documents that belong to Employer,
as well as all other property that belongs to Employee.

         8. Waiver. No evidence of any waiver of any provision of this Agreement
shall be offered or  received  in evidence  at any  proceeding,  arbitration  or
litigation  between  the  parties  hereto  arising  out  of  or  affecting  this
Agreement,  or the rights or obligations of the parties  hereunder,  unless such
waiver is in writing and is duly executed by the party to be charged  therewith,
and the parties  further  agree that the  provisions  of this section may not be
waived except as herein set forth.

         9.  Severability.  All  agreements and covenants  contained  herein are
severable,  and in the event any of them,  with the exception of those contained
in Sections 1 and 4 hereof,  shall be held to be invalid by any competent court,
this Agreement  shall be interpreted as if such invalid  agreements or covenants
were not contained herein.

         10.  Notices.  Any notices to be given hereunder by either party to the
other may be effected by personal delivery, in writing or by mail, registered or
certified,  postage prepaid with return receipt requested.  Mailed notices shall
be addressed to the parties at the  addressees  set forth below,  but each party
may  change  its  address by written  notice in  accordance  with this  Section.
Notices  delivered  personally  shall be deemed  communicated  as of the  actual
receipt;  mailed notices shall be deemed communicated as of three (3) days after
mailing.

                  If to Employee:

                           P. Steven Macedo, M.D.
                           6305 Mountain Branch Court
                           Bethesda, Maryland 20817


                                        3

<PAGE>



                  If to Employer:

                           Medi-Cen Management, Inc.
                           5110 Ridgefield Road, Suite 212
                           Bethesda, Maryland 20814

         11. Choice of Law. It is the intention of the parties  hereto that this
Agreement and the  performance  hereunder and all suits and special  proceedings
hereunder be construed in accordance  with and under and pursuant to the laws of
the State of  Maryland,  and that in any action,  special  proceedings  or other
proceedings that may be brought arising out of, in connection with, or by reason
of this  Agreement,  the laws of the State of Maryland  shall be applicable  and
shall govern to the exclusion of the law of any other forum,  without  regard to
the jurisdiction in which any action or special proceeding may be instituted.

         12.  Attorneys'  Fees. In any action at law or equity to enforce any of
the provisions or rights under this Agreement,  the  unsuccessful  party to such
litigation,  as determined by the court in any final  judgment or decree,  shall
pay  the  successful  party  or  parties  all  costs,  expenses  and  reasonable
attorneys'  fees incurred  therein by such party or parties  (including  without
limitation such costs, expenses and fees on any appeal or in connection with any
bankruptcy  proceedings),  and if the successful party recovers  judgment in any
such action or proceeding,  such costs,  expenses and  attorneys'  fees shall be
included in and as a part of such judgment.

         13.  Entire  Agreement.  This  Agreement  supersedes  any and all other
agreements,  either oral or in writing,  between the parties hereto with respect
to the  employment of Employee by Employer and contains all of the covenants and
agreements  between the parties with respect to such  employment.  Each party to
this Agreement acknowledges that no representations,  inducements or agreements,
oral or  otherwise,  have been made by any party,  or anyone acting on behalf of
any party, which are not embodied herein,  and no other agreement,  statement or
promise  not  contained  in this  agreement  shall  be  valid  or  binding.  Any
modification  of this Agreement will be effected only if it is in writing signed
by the party to be charged.

         14.  Counterparts.  Separate  copies of this Agreement may be signed by
the parties hereto, with the same effect as though all of the parties had signed
one copy of this Agreement.

                                        4

<PAGE>


         IN WITNESS  WHEREOF,  the parties hereto have set their hands and seals
the date first above written.

WITNESS:                                     EMPLOYER:
                                             MEDI-CEN MANAGEMENT, INC.

                                          By:/s/ Harrison G. Jett        (SEAL)
- -------------------------                    ----------------------------
                                          Name: Harrison G. Jett
                                               --------------------------
                                          Title:CFO
                                                -------------------------
WITNESS:                                     EMPLOYEE:


                                             /s/ P. Steven Macedo, M.D.(SEAL)
- -------------------------                    -------------------------
                                             P. Steven Macedo, M.D.



                                        5



                              EMPLOYMENT AGREEMENT


         THIS  AGREEMENT,  made this 11th day of March,  1997, is by and between
MEDI-CEN  MANAGEMENT,  INC.,  a Maryland  corporation  ("Employer")  and MICHAEL
MACEDO ("Employee").

                             INTRODUCTORY STATEMENT

         Employer  is engaged in the  business  of  providing  medical  practice
management and related services.  Employee has agreed to be employed by Employer
and Employer has agreed to employ Employee  pursuant to the terms and conditions
hereinafter set forth. The parties hereto acknowledge and agree that it would be
in the best interest of all parties to clearly define both the  responsibilities
of Employee as well as set out the  compensation  and other  benefits which will
accrue to Employee.

         NOW,  THEREFORE,  in  consideration  of  the  mutual  covenants  herein
contained the parties hereto do agree as follows:

         1. Employment.  Employer hereby employs,  engages and hires Employee as
Chief  Executive  Officer of Employer to render such  services as are  typically
required of the Chief  Executive  Officer of a for profit  corporation  and such
other services as may be required from time to time. Employee hereby accepts and
agrees  to  such  hiring,  engagement  and  employment  subject  to the  general
supervision  and pursuant to the orders,  advice and  directions of the Board of
Directors of Employer.

         2. Best Efforts of Employee.  Employee  hereby agrees that at all times
he will faithfully, industriously and to the best of his ability, experience and
talents perform all duties that may be required of him pursuant to the expressed
and  implicit  terms  hereof.  Such  duties  shall be rendered at such times and
places as Employer in good faith shall require.  Employee agrees that at no time
while this  Agreement is in effect will Employee  speak of, refer to, or comment
on Employer's  businesses in any way that tends,  either directly or indirectly,
to detract from or diminish the good reputation of Employer's  businesses in the
community, the successful and effective conduct of Employer's businesses, or the
good will of Employer's  businesses.  Violation of any provision of this section
shall be deemed a material breach of this Agreement.


<PAGE>



         3. Term.  The term of this  Agreement  shall be for a period of two (2)
years  commencing  as of the date  hereof and  terminating  on the second  (2nd)
anniversary  of the date  hereof,  subject,  however,  to prior  termination  as
hereinafter provided.

         4. Compensation of Employee.

          a. Base Compensation. For all services rendered by Employee under this
     Agreement,  Employer shall pay Employee the amount  determined by the Board
     of Directors.

          b. Stock Option Plan. It is anticipated that there will be a 4.132 for
     1 stock split of the  Company's  Common  Stock.  Employee  shall be granted
     options to purchase 900,000 post split shares of the Company's Common Stock
     from the Stock Option Plan of Employer to be  established  at a price equal
     to the Initial  Public  Offering  ("IPO")  price per share of the Company's
     Common Stock.  All Options granted  pursuant to this Section 4.b shall vest
     upon issuance.  Options to purchase  450,000 shares shall be exercisable on
     or after the date of the IPO and the  remaining  450,000  options  shall be
     exercisable  on or after  January 1, 1999,  provided the IPO has  occurred.
     Subject  to  the  immediately  preceding  sentence,  the  options  will  be
     exercisable for a period of ten (10) years from the date of grant.

         5.  Recommendations  for  Improving  Operations.  Employee  shall  make
available to Employer all information of which Employee shall have any knowledge
and shall make all suggestions and recommendations that will give mutual benefit
to Employer and himself.

         6. Termination.

          a. This Agreement shall be terminated  immediately upon the occurrence
     of one of the  following  conditions or events:  (i) in the event  Employee
     conducts  himself in an  unprofessional,  unethical,  immoral or fraudulent
     manner,  or  should  the  Employee's   conduct  discredit  Employer  or  be
     detrimental  to the  reputation,  character and standing of Employer;  (ii)
     conviction of any crime of moral turpitude or of any crime  punishable as a
     felony; or (iii) the death of Employee.

          b. In accordance with Section 2-413 of Maryland's General  Corporation
     Law,  Employer's  Board of Directors may remove Employee and terminate this
     Agreement at any time if, in the

                                        2

<PAGE>



Board's judgment, the best interests of Employer will be served thereby.

          c. Employer may terminate  this  Agreement at any time, for any reason
     whatsoever, upon thirty (30) days written notice to Employee.

         7. Return of Documents.  Upon  termination of employment,  whether such
termination be voluntary or involuntary,  Employee shall deliver to Employer all
records, lists, receipts, contracts and other documents that belong to Employer,
as well as all other property that belongs to Employee.

         8. Waiver. No evidence of any waiver of any provision of this Agreement
shall be offered or  received  in evidence  at any  proceeding,  arbitration  or
litigation  between  the  parties  hereto  arising  out  of  or  affecting  this
Agreement,  or the rights or obligations of the parties  hereunder,  unless such
waiver is in writing and is duly executed by the party to be charged  therewith,
and the parties  further  agree that the  provisions  of this section may not be
waived except as herein set forth.

         9.  Severability.  All  agreements and covenants  contained  herein are
severable,  and in the event any of them,  with the exception of those contained
in Sections 1 and 4 hereof,  shall be held to be invalid by any competent court,
this Agreement  shall be interpreted as if such invalid  agreements or covenants
were not contained herein.

         10.  Notices.  Any notices to be given hereunder by either party to the
other may be effected by personal delivery, in writing or by mail, registered or
certified,  postage prepaid with return receipt requested.  Mailed notices shall
be addressed to the parties at the  addressees  set forth below,  but each party
may  change  its  address by written  notice in  accordance  with this  Section.
Notices  delivered  personally  shall be deemed  communicated  as of the  actual
receipt;  mailed notices shall be deemed communicated as of three (3) days after
mailing.

                  If to Employee:

                           Michael Macedo
                           6576 Kenwood Forest Lane
                           Chevy Chase, Maryland 20815


                                        3

<PAGE>



                  If to Employer:

                           Medi-Cen Management, Inc.
                           5110 Ridgefield Road, Suite 212
                           Bethesda, Maryland 20814

         11. Choice of Law. It is the intention of the parties  hereto that this
Agreement and the  performance  hereunder and all suits and special  proceedings
hereunder be construed in accordance  with and under and pursuant to the laws of
the State of  Maryland,  and that in any action,  special  proceedings  or other
proceedings that may be brought arising out of, in connection with, or by reason
of this  Agreement,  the laws of the State of Maryland  shall be applicable  and
shall govern to the exclusion of the law of any other forum,  without  regard to
the jurisdiction in which any action or special proceeding may be instituted.

         12.  Attorneys'  Fees. In any action at law or equity to enforce any of
the provisions or rights under this Agreement,  the  unsuccessful  party to such
litigation,  as determined by the court in any final  judgment or decree,  shall
pay  the  successful  party  or  parties  all  costs,  expenses  and  reasonable
attorneys'  fees incurred  therein by such party or parties  (including  without
limitation such costs, expenses and fees on any appeal or in connection with any
bankruptcy  proceedings),  and if the successful party recovers  judgment in any
such action or proceeding,  such costs,  expenses and  attorneys'  fees shall be
included in and as a part of such judgment.

         13.  Entire  Agreement.  This  Agreement  supersedes  any and all other
agreements,  either oral or in writing,  between the parties hereto with respect
to the  employment of Employee by Employer and contains all of the covenants and
agreements  between the parties with respect to such  employment.  Each party to
this Agreement acknowledges that no representations,  inducements or agreements,
oral or  otherwise,  have been made by any party,  or anyone acting on behalf of
any party, which are not embodied herein,  and no other agreement,  statement or
promise  not  contained  in this  agreement  shall  be  valid  or  binding.  Any
modification  of this Agreement will be effected only if it is in writing signed
by the party to be charged.

         14.      Counterparts.  Separate copies of this Agreement may be
signed by the parties hereto, with the same effect as though all of
the parties had signed one copy of this Agreement.

                                        4

<PAGE>


         IN WITNESS  WHEREOF,  the parties hereto have set their hands and seals
the date first above written.

WITNESS:                                  EMPLOYER:
                                          MEDI-CEN MANAGEMENT, INC.

                                          By:/s/ Harrison G. Jett        (SEAL)
- -------------------------                    ----------------------------
                                          Name: Harrison G. Jett
                                               --------------------------
                                          Title: CFO
                                                -------------------------
WITNESS:                                  EMPLOYEE:


                                          /s/ Michael Macedo       (SEAL)
- -------------------------                 -------------------------
                                          P. Steven Macedo, M.D.

                                        5





                              EMPLOYMENT AGREEMENT


         THIS  AGREEMENT,  made this 11th day of March,  1998,  by YATER MEDICAL
GROUP, P.C. ("Employer") and P. STEVEN MACEDO, M.D. ("Employee").

                             INTRODUCTORY STATEMENT

         Employer is engaged in the business of providing  medical  services and
is  affiliated  with  certain  other  medical  groups  (referred  to  herein  as
"Affiliates") including, but not limited to Medi-Cen Physician Services,  L.L.P.
Employee is a  physician  duly  licensed  to  practice  medicine in the State of
Maryland.  Employer has agreed to employ Employee and Employee desires to accept
employment  pursuant  to the terms and  conditions  hereinafter  set forth.  The
parties  hereto  acknowledge  and agree that it would be in the best interest of
all parties to clearly define both the  responsibilities  of Employee as well as
set out the compensation and other benefits which will accrue to Employee.

         NOW,  THEREFORE,  in  consideration  of  the  mutual  covenants  herein
contained the parties hereto do agree as follows:

         1. Employment. Employer hereby employs, engages and hires Employee as a
physician to render  medical  services for  Employer  and  Affiliates.  Employee
hereby accepts and agrees to such hiring,  engagement and employment  subject to
the general  supervision  and pursuant to the orders,  advice and  directions of
Employer,  subject to Employee's  professional judgment.  Employee shall perform
such  duties  as  determined  by  Employer.  Employer  shall  have the  power to
determine  the  assignment of patients to Employee,  and Employee  shall perform
services  for the  patients  assigned to  him/her.  Employer  shall  operate and
maintain facilities, and shall provide at its cost equipment, drugs and supplies
suitable to  Employee's  position and adequate  for the  performance  of his/her
duties.  Further,  Employer  shall supply and pay for nurses,  technicians,  and
other  personnel  reasonably  needed by  Employee  in  connection  with  his/her
employment under this Agreement.

         2. Best Efforts of Employee.  Employee  hereby agrees that at all times
he/she  will  faithfully,  industriously  and to the  best of  his/her  ability,
experience and talents perform all duties that may


<PAGE>


be required of him/her pursuant to the expressed and implicit terms hereof. Such
duties shall be rendered at such place or places as Employer in good faith shall
require.  Employee agrees that at no time while this Agreement is in effect will
Employee speak of, refer to, or comment on Employer's businesses in any way that
tends,  either  directly or  indirectly,  to detract  from or diminish  the good
reputation  of  Employer's  businesses  in the  community,  the  successful  and
effective  conduct  of  Employer's  businesses,  or the good will of  Employer's
businesses.  Violation  of any  provision  of this  section  shall  be  deemed a
material breach of this Agreement.


         3. Term. The term of this  Agreement  shall be for a period of five (5)
years  commencing  as of January 1, 1998 and  terminating  on December 31, 2002,
subject,   however,  to  prior  termination  as  hereinafter  provided.   Unless
terminated by either party in accordance  with the terms  hereinbelow set forth,
this Agreement shall  automatically  and continually  renew itself at expiration
for one (1) year terms upon the same terms and conditions set forth herein.

         4. Hours of Employment. Employee shall work for Employer on a full time
basis.  Hours of employment  shall be determined by Employer  within  reasonable
standards of the profession.

         5. Compensation of Employee.

          a.  Compensation.  For all  services  rendered by Employee  under this
     Agreement,  Employer  shall pay  Employee  an amount  equal to  twenty-five
     thousand  Dollars  ($25,000.00)  per month.  Such  amount  shall be due and
     payable by  Employer  on the last day of each  calendar  month for  amounts
     received  for  the  preceding  calendar  month;  provided,   however,  such
     compensation  shall not be  considered  delinquent  if paid within five (5)
     days of the date due. All payments  shall be subject to the  deductions  of
     payroll taxes and similar assessments as required by law.

          b. Fringe Benefits.  Employee will be entitled to all of the ancillary
     benefits  available  to  full-time  employees  of  Employer.  In  addition,
     Employee shall be entitled to designate  additional fringe benefits so long
     as the aggregate value of all fringe benefits to which Employee is entitled
     does not exceed the sum of Sixty thousand Dollars ($60,000.00).


                                        2

<PAGE>



         6.  Other  Employment.  Employee  shall  devote  all of  his/her  time,
attention,  knowledge and skills solely to the business and interest of Employer
and  Employer  shall be entitled to all the  benefits  thereof  arising  from or
incidental to all services and advice of Employee  during the hours set forth in
Section 4.  Employee  agrees that he/she shall not serve as a partner,  officer,
director,  stockholder,  advisor, employee or in any other capacity in any other
business similar to Employer's business,  or any similar type of business during
the term of this Agreement.  The  expenditure of reasonable  amounts of time for
teaching,  lecturing,  radio and television appearances or attending meetings in
the professional field, shall not be deemed a breach of this Agreement, provided
that Employer  determines that the rendering of such services does not interfere
with the services required to be rendered to Employer hereunder.

         7.  Recommendations  for  Improving  Operations.  Employee  shall  make
available to Employer all information of which Employee shall have any knowledge
and shall make all suggestions and recommendations that will give mutual benefit
to Employer and himself/herself.

         8. Trade Secrets.

          a. Employee  expressly  acknowledges  and agrees that Employee will be
     given access to and become familiar with business  methods,  trade secrets,
     and other  proprietary  information  developed at  Employer's  expense (the
     "Trade  Secrets"),  which  are  valuable,  unique,  and  essential  to  the
     performance of Employee's duties  hereunder,  as well as being essential to
     the overall continued  success and business goodwill of Employer.  Employee
     expressly  acknowledges  and agrees that the Trade Secrets are  proprietary
     and confidential and if any of the Trade Secrets were imparted to or became
     known by any persons,  including Employee engaging in a business in any way
     competitive with that of Employer's,  such would result in hardship,  loss,
     irreparable  injury and damage to Employer,  the measurement of which would
     be  difficult,  if not  impossible,  to  determine.  Accordingly,  Employee
     expressly agrees that Employer has a legitimate  interest in protecting the
     Trade Secrets and its business from such hardship, loss, irreparable injury
     and damage,  that the following  covenant is a reasonable means by which to
     accomplish  that  purpose,  and  that  violation  of any of the  protective
     covenants  contained  herein  shall  constitute  a breach  of trust  and is
     grounds for immediate dismissal and for

                                        3

<PAGE>



     appropriate legal action for damages, enforcement and/or injunction.

          b.  Employee  acknowledges  that the Trade  Secrets  give  Employer an
     advantage  over its  competitors,  and that the same is not available to or
     known by Employer's  competitors or the general  public.  Employee  further
     acknowledges that Employer has devoted  substantial time, money, and effort
     in the  development of the Trade Secrets and in maintaining the proprietary
     and confidential nature thereof.  Employee further acknowledges  Employee's
     position with Employer is one of the highest trust and confidence by reason
     of Employee's  knowledge of, access to, and contact with the Trade Secrets.
     Employee  agrees to use  Employee's  best  efforts  and  exercise of utmost
     diligence to protect and safeguard the Trade  Secrets.  Employee  covenants
     that,  during  the  term  of  this  Agreement  regardless  of  which  party
     terminates  this  Agreement  and  whether  such  termination  is for cause,
     Employee will not  disclose,  disseminate  or  distribute  to another,  nor
     induce any other person to disclose,  disseminate or distribute,  any Trade
     Secrets of Employer,  directly or  indirectly,  either for  Employee's  own
     benefit or for the benefit of another, nor will Employee use or cause to be
     used any Trade  Secrets in any way except as is  required  in the course of
     Employee's  employment with Employer.  Employee  acknowledges and covenants
     that all Trade  Secrets  relating to the business of Employer  shall remain
     the  exclusive  property  of  Employer,  shall not be  copied or  otherwise
     reproduced in whole or in part,  and shall not be removed from the premises
     of Employer,  under any circumstances  whatsoever without the prior written
     consent of Employer.

         9. Trade  Secrets after  Termination  of  Employment.  All the terms of
Section 8 shall  remain in full  force and  effect for a period of two (2) years
after the termination of Employee's employment.

         10.  Injunctive  Relief.  In addition  to the  remedies  cited  herein,
Employer  shall be entitled  to  injunctive  relief  against  Employee  from the
violation of the terms of Sections 8, 9 and 13 of this Agreement.

         11. Termination.

          a. This Agreement shall be terminated  immediately upon the occurrence
     of  one  of  the  following   conditions  or  events:   (i)  revocation  or
     cancellation of Employee's right to practice medicine

                                        4

<PAGE>



     in the State of Maryland;  (ii) the placing or imposing of any restrictions
     or limitations,  by any  governmental  authority having  jurisdiction  over
     Employee,  upon him/her so that he/she  cannot  engage in the  professional
     service for which he/she was employed;  (iii) in the event  Employee  shall
     fail or refuse to faithfully or diligently  perform the  provisions of this
     Agreement or the usual customary duties of his/her employment;  (iv) in the
     event Employee conducts  himself/herself in an  unprofessional,  unethical,
     immoral or fraudulent  manner,  or should the Employee's  conduct discredit
     Employer or be  detrimental  to the  reputation,  character and standing of
     Employer;  (iv)  conviction of any crime of moral turpitude or of any crime
     punishable  as a felony;  (v) Employee  becomes  ineligible  for  insurance
     coverage  against claims for professional  liability;  or (vi) the death or
     permanent disability of Employee.

          b. This Agreement may be terminated by either party on the fifth (5th)
     anniversary of this Agreement or on any  anniversary  date  thereafter,  by
     giving notice of  termination to the other party not later than ninety (90)
     days prior to such anniversary  date, and this Agreement shall terminate on
     such anniversary date.

          c. Notwithstanding anything contained herein to the contrary, Employer
     shall not be required to make any payments after the date of termination of
     this Agreement.

         12.  Insurance.  Throughout the term of this Agreement,  Employer shall
maintain continuously in effect professional malpractice insurance,  which shall
include  Employee as a named insured in such  amounts,  with such carrier and on
such terms as shall be determined by Employer in its sole  discretion.  Employee
hereby  agrees to  cooperate  with  Employer in the  application  process and to
complete,  within  five (5) days of  receipt  from  Employer,  any and all forms
required by the insurance  carrier  selected by Employer.  In the event Employee
leaves the  employment  of  Employer,  Employee  shall  either (i)  purchase  an
Extension  of  Coverage  endorsement  ("tail")  in an  amount  not less than One
Million  Dollars  ($1,000,000.00)  per  occurrence  and  Three  Million  Dollars
($3,000,000.00)  in the  aggregate,  within ten (10) days of  written  notice of
discontinuance,  or  (ii)  Employee  shall  continue  to  maintain  professional
liability  insurance  and provide  Medi-Cen  proof  annually  of such  coverage;
provided, however, that when Employee retires, he/she shall purchase the tail in
such amounts as stated above.


                                        5

<PAGE>



         13. Restrictive Covenants.

          a.  Employer  and  Employee  acknowledge  and  agree  that  Employee's
     services are of a special and unusual  character  which have a unique value
     to Employer,  the loss of which cannot be adequately compensated by damages
     in an action at law. Further,  Employer and Employee  acknowledge and agree
     that  Employee's  employment  entails  substantial  personal  contacts with
     patients of Employer and as a result, it is likely that such patients would
     follow  Employee in the event  Employee  ceased to be employed by Employer.
     Because of the unique value to Employer of the services for which  Employer
     has contracted  hereunder,  the nature of Employee's  personal contact with
     patients of Employer,  and because of the  confidential  information  to be
     obtained  by  Employee,  all as  aforementioned,  and in  consideration  of
     employment by Employer,  Employee covenants and agrees that for a period of
     three years after Employee ceases to be employed by Employer for any reason
     whatsoever,  Employee  shall not,  without the prior  consent of  Employer,
     directly or indirectly:

               (1) Offer to render any medical services or solicit the rendition
          of any such  services to any patients of Employer  with whom  Employee
          had direct or indirect  contact  and/or to whom Employee  rendered any
          medical   services  at  any  time  during  the  two  (2)  year  period
          immediately  preceding  such cessation of Employee's  employment  with
          Employer to or for the benefit or account of Employee or to or for the
          benefit or account of any other person or entity.

               (2) Solicit for employment or employ, directly or indirectly, any
          employee of Employer, nor shall Employee urge, directly or indirectly,
          any  patients  to  discontinue,  in whole or in  part,  business  with
          Employer.

          b.  In  addition  to any  other  provisions  of  this  Agreement,  the
     provisions of this Section shall also apply to Employee  during the term of
     this Agreement.

          c. Upon termination of Employee's  employment hereunder for any reason
     whatsoever,  Employee  agrees that he/she will not,  within a five (5) mile
     radius of  Employer's  places of business,  for a period of three (3) years
     from and after such  termination  of  employment,  directly or  indirectly,
     engage  or agree to  engage  in,  whether  as  owner,  director,  employee,
     consultant,  agent or  otherwise,  the  operation  of a provider of medical
     services or

                                        6

<PAGE>



render medical services to or for the benefit of any other person
or entity to any extent whatsoever.

          d. The provisions of Sections 13.a(1),  13.a(2), 13.b and 13.c of this
     Agreement are cumulative.  Compliance with Sections 13.a(1),  13.a(2), 13.b
     and  13.c  of  this  Agreement  is  a  condition  precedent  to  Employer's
     obligation  to make any payments of any nature to Employee,  whether  under
     this Agreement or otherwise.  Nothing in this Agreement  shall be construed
     as prohibiting  Employer from pursuing any remedies  available to it at law
     or in equity for a breach or  threatened  breach of Sections 8, 9 and 13 of
     this Agreement.

          e.  The  parties   hereto   agree  that  if  any  court  of  competent
     jurisdiction  shall determine that the period or geographical  area covered
     herein, or any other term or provision of this Agreement,  is unreasonable,
     the said term,  geographical  area or  provision  shall not be deemed to be
     null and void but shall be  reformed  to  impose  the  maximum  enforceable
     period, geographical area, term or other provisions as the case may be.

          f.  Employee  has  carefully  considered  the nature and extent of the
     restrictions  upon  him/her  and the rights  and  remedies  conferred  upon
     Employer under this Section 13, and hereby acknowledges and agrees that the
     same are  reasonable  in time and  territory,  are  designed  to  eliminate
     competition which otherwise would be unfair to Employer,  would not operate
     as a bar to the  Employer's  sole  means  of  support,  do not  stifle  the
     abilities of  Employee,  and are fully  required to protect the  legitimate
     interests of Employer.

         14.  Extension of Limitation  Period.  The parties  acknowledge that if
Employee violates any of the protective  covenants hereunder and Employer brings
legal action for  injunctive or other relief  hereunder,  Employer  shall,  as a
result of the time involved in obtaining the relief,  be deprived of the benefit
of the full Limitation Period of these protective  covenants.  Accordingly,  the
Limitation Period shall be deemed to have the full duration of the period stated
therein,  computed  from the date  relief is  granted,  but  reduced by the time
between  the period  when the  restriction  began to run at the  termination  of
Employee's  employment  hereunder  and the date of the  first  violation  of the
covenant by Employee.




                                        7

<PAGE>



         15. Patients and Records.

          a.  Patients.  All  patients  with  whom  Employee  deals  and to whom
     Employee  provides  services  are,  and shall be treated  as,  patients  of
     Employer.  Subject to the patient's  right to select his/her own physician,
     these patients shall remain patients of Employer after  termination of this
     Agreement.

          b. Records and Files.  All case  records,  charts and  personal  files
     concerning  patients of Employer shall belong to and remain the property of
     Employer.  On  termination  of his/her  employment,  Employee  shall not be
     entitled to keep or reproduce  Employer's  records or charts related to any
     patient unless the patient shall specifically  request that his/her records
     be  transmitted to Employee.  Employee  shall bear the reasonable  costs of
     reproducing such records.

         16. Billing and Collecting  Professional Fees.  Employer shall bill and
collect all  professional  fees  attributed  to  professional  medical  services
rendered by Employee pursuant to this Agreement,  and to the extent allowable by
law and the policies,  procedures,  and  requirements of any  third-party  payor
involved, Employer shall bill in Employer's name. Employee shall cooperate fully
with  Employer  in all  activities  necessary  to collect  such fees,  including
permitting  Employer or any agent of  Employer to bill,  collect and deposit any
and all payments and remuneration  payable to Employee for services  rendered on
behalf of Employer  and as agent in  circumstances  where  Employer is unable to
bill in its own name. To evidence such agreement,  Employee agrees to execute an
Appointment of Agent for Negotiation and Withdrawal of Funds,  substantially  in
the form attached  hereto as Exhibit A, upon  Employer's  request.  The power of
attorney set forth in the Appointment of Agent for Negotiation and Withdrawal of
Funds  shall be limited to  NationsBank,  N.A.,  George  Mason  Bank,  The First
National  Bank of  Maryland,  or such  other  banking  institutions  with  which
Employer  maintains  a banking  relationship.  Employee  shall remit to Employer
immediately  all money  received by  Employee  from any third  party,  including
without  limitation  patients and third party payors,  for professional  medical
services which are rendered by Employee pursuant to this Agreement.

         17. Associate Physician  Membership  Agreement.  Employee  acknowledges
that Employer shall enter into an Associate Physician

                                        8

<PAGE>



Membership  Agreement  with  Medi-Cen,  Corp. of Maryland and Medi-Cen,  Corp.of
Virginia,  both dated January 17, 1997,  including  exhibits and addenda thereof
(copies  attached  hereto  and  made  a part  hereof  as  Exhibit  B)  (the  "AP
Agreements").  Employee  hereby agrees to be bound by and perform his/her duties
in a manner  consistent  with the terms and  provisions  of the AP Agreements as
they may apply to Employee as an Associate Physician.

         18.  Agreements  Outside of  Agreement.  Except as  provided  in the AP
Agreements,  to which Employee has agreed to be bound,  this Agreement  contains
the complete agreement concerning the employment arrangement between the parties
and shall,  as of the  effective  date hereof,  supersede  all other  agreements
between the  parties.  The parties  stipulate  that neither of them has made any
representation  with  respect to the  subject  matter of this  Agreement  or any
representation   including  the  execution  and  delivery  hereof,  except  such
representations  as are  specifically  set forth  herein and each of the parties
hereto  acknowledges  that  he/she or it has  relied on their  own  judgment  in
entering into this Agreement.  The parties hereto further  acknowledge  that any
payments or representations that may have heretofore been made by either of them
to the other are of no effect and that  neither  of them has  relied  thereon in
connection with his/her or its dealings with the other.

         19.  Representations  and Warranties.  Employee represents and warrants
that (a) as of the date of this  Agreement and at all time while this  Agreement
is in effect  he/she is duly  licensed and  certified to perform the duties of a
physician in the State of Maryland; (b) he/she has the complete and unrestricted
right to enter into this  Agreement;  (c) he/she has  disclosed  to Employer all
facts and  circumstances  that might adversely affect his/her ability to perform
his/her duties under this Agreement;  and (d) this Agreement and the performance
by Employee of his/her  obligations herein will not be in violation or breach of
any other agreement or commitment previously entered into by or binding upon the
Employee.

         20.  Modification  of  Contract.  No  waiver  or  modification  of this
Agreement or of any covenant, condition, or limitation herein contained shall be
valid unless in writing and duly  executed by the party to be charged  therewith
and no  evidence of any waiver or  modification  shall be offered or received in
evidence at any proceeding, arbitration or litigation between the parties hereto
arising out of or affecting this Agreement,  or the rights or obligations of the
parties  hereunder,  unless such  waiver or  modification  is in  writing,  duly
executed as aforesaid, and the

                                        9

<PAGE>



parties  further  agree that the  provisions  of this  section may not be waived
except as herein set forth.

         21.  Severability.  All agreements and covenants  contained  herein are
severable,  and in the event any of them,  with the exception of those contained
in Sections 1 and 5 hereof,  shall be held to be invalid by any competent court,
this Agreement  shall be interpreted as if such invalid  agreements or covenants
were not contained  herein.  Notwithstanding  the foregoing,  the parties hereto
agree that to the  extent  that any  provision  or portion of Section 13 of this
Agreement  shall be held,  found  or  deemed  to be  unreasonable,  unlawful  or
unenforceable by a court of competent  jurisdiction,  then any such provision or
portion thereof shall be deemed to be modified to the extent  necessary in order
that any such provision or portion  thereof shall be legally  enforceable to the
fullest  extent  permitted by applicable  law; and the parties hereto do further
agree that any court of competent  jurisdiction  shall and the parties hereto do
hereby  expressly  authorize,   request  and  empower  any  court  of  competent
jurisdiction  to enforce any such provision or portion  thereof or to modify any
such  provision or portion  thereof in order that any such  provision or portion
thereof  shall be  enforced  by such court to the fullest  extent  permitted  by
applicable law.

         22.  Notices.  Any notices to be given hereunder by either party to the
other may be effected by personal delivery, in writing or by mail, registered or
certified,  postage prepaid with return receipt requested.  Mailed notices shall
be addressed to the parties at the  addressees  set forth below,  but each party
may  change  its  address by written  notice in  accordance  with this  Section.
Notices  delivered  personally  shall be deemed  communicated  as of the  actual
receipt;  mailed notices shall be deemed communicated as of three (3) days after
mailing.

                  If to Employee:

                           P. Steven Macedo, M.D.
                           6305 Mountain Branch Court
                           Bethesda, Maryland 20817

                  If to Employer:

                           Yater Medical Group, P.C.
                           1780 Massachusetts Avenue, N.W.
                           Washington, D.C. 20036

                                       10

<PAGE>



         23. Choice of Law. It is the intention of the parties  hereto that this
Agreement and the  performance  hereunder and all suits and special  proceedings
hereunder be construed in accordance  with and under and pursuant to the laws of
the State of  Maryland,  and that in any action,  special  proceedings  or other
proceedings that may be brought arising out of, in connection with, or by reason
of this  Agreement,  the laws of the State of Maryland  shall be applicable  and
shall govern to the exclusion of the law of any other forum,  without  regard to
the jurisdiction in which any action or special proceeding may be instituted.

         24.  Attorneys'  Fees. In any action at law or equity to enforce any of
the provisions or rights under this Agreement,  the  unsuccessful  party to such
litigation,  as determined by the court in any final  judgment or decree,  shall
pay  the  successful  party  or  parties  all  costs,  expenses  and  reasonable
attorneys'  fees incurred  therein by such party or parties  (including  without
limitation such costs, expenses and fees on any appeal or in connection with any
bankruptcy  proceedings),  and if the successful party recovers  judgment in any
such action or proceeding,  such costs,  expenses and  attorneys'  fees shall be
included in and as a part of such judgment.

         25.  Entire  Agreement.  This  Agreement  supersedes  any and all other
agreements,  either oral or in writing,  between the parties hereto with respect
to the  employment of Employee by Employer and contains all of the covenants and
agreements  between the parties with respect to such  employment.  Each party to
this Agreement acknowledges that no representations,  inducements or agreements,
oral or  otherwise,  have been made by any party,  or anyone acting on behalf of
any party, which are not embodied herein,  and no other agreement,  statement or
promise  not  contained  in this  agreement  shall  be  valid  or  binding.  Any
modification  of this Agreement will be effected only if it is in writing signed
by the party to be charged.

         26. Change in Law. In the event any legislative, judicial or regulatory
change or  determination of any government  body,  department,  or agency of the
Federal  government  or the State of Maryland or the District of Columbia has or
would have a material  adverse impact on any provisions of this  Agreement,  the
Employer and the Employee agree to negotiate a restructuring of the Agreement to
bring it in compliance with the law.


                                       11

<PAGE>


         IN WITNESS  WHEREOF,  the parties hereto have set their hands and seals
the date first above written.

WITNESS:                                  EMPLOYER:
                                          YATER MEDICAL GROUP, P.C.,

/s/ Jerry W. Clever                       By:/s/ Ilene S. Macedo, MD     (SEAL)
- -------------------------                    ----------------------------
                                          Name: Ilene S. Macedo, MD
                                               --------------------------
                                          Title:Vice President and Secretary
                                                -------------------------
WITNESS:                                  EMPLOYEE:


/s/ Harrison Jett                         /s/ P. Steven Macedo, M.D.(SEAL)
- -------------------------                 -------------------------
                                          P. Steven Macedo, M.D.




                              CONSULTANT AGREEMENT


     THIS CONSULTANT AGREEMENT (the "Agreement"), dated the 20th day of January,
1997 is by and  between  YATER  MEDICAL  GROUP,  P.C.,  a District  of  Columbia
professional  corporation ("Yater"), and MICHAEL MACEDO (hereinafter referred to
as "Consultant").

                              W I T N E S S E T H:

     WHEREAS,  Yater is engaged in the business of providing  medical  services;
and

     WHEREAS, Yater desires to engage the services of Consultant for the purpose
of assisting it in business development; and

     WHEREAS, Consultant agrees to provide such services to Yater upon the terms
and conditions herein set forth.

     NOW,  THEREFORE,  WITNESSETH,  for and in  consideration  of the sum of Ten
Dollars ($10.00),  and for other good and valuable  consideration  including but
not limited to the mutual  promises,  covenants,  and  agreements of the parties
hereinbelow set forth, Yater and Consultant agree as follows:

     1. ENGAGEMENT.  Yater hereby engages  Consultant to do and perform the work
covered by this  Agreement and Consultant  hereby  accepts the  engagement  from
Yater.

     2.  COMPENSATION OF CONSULTANT.  Yater shall be obligated to pay Consultant
for the work performed  under this Agreement a consultant fee of Twelve Thousand
Five Hundred  Dollars  ($12,500.00)  upon  execution of this  Agreement plus One
Hundred Thousand Dollars  ($100,000.00) per year thereafter,  during the term of
the Agreement. Such consultant fee shall be payable as follows:

          a. Twelve Thousand Five Hundred Dollars  ($12,500.00) shall be paid to
     Consultant simultaneously upon execution of this Agreement.

          b. During the term of this  Agreement,  Yater shall pay to  Consultant
     monthly installments of Twelve Thousand Five Hundred

                                        1

<PAGE>



     Dollars  ($12,500.00)  on the last day of each  calendar  month  commencing
     January 31, 1997.  Such payments shall be deemed timely paid if made by the
     fifth (5th) day of the next succeeding month.

     3.  CONSULTANT'S   RESPONSIBILITIES.   Consultant  agrees  to  develop  and
implement a business  development plan for Yater. Yater agrees to cooperate with
Consultant in connection with the development and implementation of such plan.

     4. TERM. The term of this Agreement shall be for five (5) years  commencing
on the date of execution of this Agreement.

     5.  RELATIONSHIP  OF PARTIES.  The parties to this contract intend that the
relation  between  them created by this  Agreement is that of  owner-independent
contractor.  Consultant  shall not be or be deemed to be the employee,  agent or
servant of Yater.  Yater is interested  only in the results  obtained under this
Agreement;  the manner and means of  conducting  the work are under the  general
control of Consultant.  None of the benefits provided by Yater to its employees,
including but not limited to compensation  insurance and unemployment  insurance
are available from Yater to Consultant.  Consultant  will be solely and entirely
responsible for his acts during the  performance of this  Agreement.  Consultant
shall  have  sole   control  of  the   manner  and  means  of   performing   his
responsibilities  under this Agreement,  and he shall complete same according to
his own means and methods of work.

     6. TIME DEVOTED TO CONSULTANT'S  DUTIES. In the performance of the services
contemplated hereby, Consultant shall devote such hours and time as is necessary
to adequately perform and fulfill the spirit and purpose of this Agreement.

     7. MISCELLANEOUS.

          a. All covenants, stipulations, promises, agreements and provisions in
     this  Agreement  shall  apply to, bind and be  obligatory  upon the parties
     hereto, their heirs, executors,  administrators,  personal representatives,
     successors and assigns, or any of them, whether so expressed or not.

          b. This  Agreement  shall be construed in accordance  with the laws of
     the State of Maryland,  entirely independent of the forum where it may come
     up for construction or enforcement.


                                        2

<PAGE>


          c. No  modification  or waiver  of any of the terms of this  Agreement
     shall be valid  unless  expressed  in writing  and  executed  with the same
     formality  as this  Agreement.  The  failure  of either  party to insist on
     strict  performance of any of the provisions of this Agreement shall not be
     construed as a waiver of any subsequent  breach or default of the same or a
     similar nature.

          d. In the event that any provision of this Agreement should be held to
     be invalid or  unenforceable,  the invalid  provision shall be construed in
     all respects as though it were  omitted,  and the same shall not in any way
     affect any other  provisions  herein,  all of which shall  continue in full
     force and effect.

          e. This Agreement constitutes the entire understanding of the parties.
     There  are  no   representations,   warranties,   promises,   covenants  or
     undertakings other than those expressly set forth herein.

     IN WITNESS WHEREOF, the parties have set their hands and seals.

WITNESS:                                     YATER:
                                             YATER MEDICAL GROUP, P.C.

_________________________                    By:__________________________(SEAL)
                                             Name:________________________
                                             Title:_______________________


WITNESS:                                     CONSULTANT:

_________________________                    _____________________________(SEAL)
                                             Michael Macedo

                                        3

<PAGE>


                     SECOND AMENDMENT TO CONSULTING CONTRACT

     THIS SECOND AMENDMENT TO CONSULTING  CONTRACT (this "Amendment") dated this
___  day of  __________,  1998  is by and  between  YATER  MEDICAL  GROUP,  P.C.
("Yater") and MICHAEL MACEDO ("Consultant")

                             Introductory Statement

     The parties hereto  entered into that certain  Consultant  Agreement  dated
January__,   1997  ("Consultant   Agreement")  and  that  certain  Amendment  to
Consultant  Agreement  Dated  July 8, 1998  (the  "Amendment")  (the  Consultant
Agreement as amended by the Amendment are hereinafter  collectively  referred to
as the  "Original  Agreement"),  pursuant to which  Consultant  agreed to render
certain services to Yater.  The parties wish to amend the Original  Agreement to
provide for fringe benefits for Consultant.

     NOW,  THEREFORE,  WITNESSETH,  for and in  consideration  of the the mutual
covenants  contained  herein,  and other good and  valuable  consideration,  the
receipt and sufficiency of which are hereby acknowledged,  the parties do hereby
agree as follows:

     1. The following paragraph 2.d. is hereby added to the Original Agreement:

          d.  Consultant  will  be  entitled  to all of the  ancillary  benefits
     available to full-time employees of Yater. In addition, Consultant shall be
     entitled to designate  additional  fringe benefits so long as the aggregate
     value of all fringe  benefits  to which  Consultant  is  entitled  does not
     exceed the sum of Sixty thousand Dollars ($60,000.00).

     2. Full Force and Effect. Except as provided herein, the Original Agreement
shall remain in full force and effect.


     IN WITNESS  WHEREOF,  the parties hereto have executed this Amendment as of
the date first above written.




                                        1

<PAGE>

WITNESS:                                  YATER:
                                          YATER MEDICAL GROUP, P.C.

                                          By:/s/ P. Steven Macedo, MD    (SEAL)
- -------------------------                    ----------------------------
                                          Name: P. Steven Macedo, MD
                                               --------------------------
                                          Title: President
                                                -------------------------
WITNESS:                                  CONSULTANT:


                                             /s/ Michael Macedo        (SEAL)
- -------------------------                    -------------------------
                                             Michael Macedo       


                                        2


                              EMPLOYMENT AGREEMENT


     THIS  AGREEMENT,  made  this  11th day of March,  1998,  is by and  between
MEDI-CEN MANAGEMENT,  INC., a Maryland  corporation  ("Employer") and FRANCIS J.
CRONIN ("Employee").

                             INTRODUCTORY STATEMENT

     Employer  is  engaged  in  the  business  of  providing   medical  practice
management and related services.  Employee has agreed to be employed by Employer
and Employer has agreed to employ Employee  pursuant to the terms and conditions
hereinafter set forth. The parties hereto acknowledge and agree that it would be
in the best interest of all parties to clearly define both the  responsibilities
of Employee as well as set out the  compensation  and other  benefits which will
accrue to Employee.

     NOW,  THEREFORE,  in consideration of the mutual covenants herein contained
the parties hereto do agree as follows:

     1.  Employment.  Employer  hereby  employs,  engages and hires  Employee as
President of Employer to render such services as are  typically  required of the
President of a for profit corporation and such other services as may be required
from time to time, including, but not limited to, the following:

          a.  operating  Employer  in a manner  that will  increase  Shareholder
     value;

          b. operating Employer in a manner that will maximize earnings;

          c.  accompanying  the "Road Show" for the Initial  Public  Offering of
     Employer's  stock  currently  scheduled  for the  end of  March,  1998;

          d. interacting with hospitals to establish affiliations;

          e.  interacting with potential  medical groups to explore  acquisition
     possibilities;

          f. negotiating with HMO's and PPO's for group provider contracts;

          g. overseeing stockholder relations;

          h. making  presentations  to major  investment  groups;  i. serving as
     spokesman for Employer; and

          j.  performing  such other duties as shall be assigned by the Board of
     Directors from time to time.

                                        1

<PAGE>




Employee  hereby  accepts and agrees to such hiring,  engagement  and employment
subject to the  general  supervision  and  pursuant  to the  orders,  advice and
directions of the Board of Directors and Chief Executive Officer of Employer.

     2. Best Efforts of Employee.  Employee  hereby  agrees that at all times he
will faithfully,  industriously  and to the best of his ability,  experience and
talents perform all duties that may be required of him pursuant to the expressed
and  implicit  terms  hereof.  Such  duties  shall be rendered at such times and
places as Employer in good faith shall require.  Employee agrees that at no time
while this  Agreement is in effect will Employee  speak of, refer to, or comment
on Employer's  businesses in any way that tends,  either directly or indirectly,
to detract from or diminish the good reputation of Employer's  businesses in the
community, the successful and effective conduct of Employer's businesses, or the
good will of Employer's  businesses.  Violation of any provision of this section
shall be deemed a material breach of this Agreement.

     3. Term. The term of this  Agreement  shall be for a period of one (1) year
commencing  as of the date hereof and shall be  renewable in the  discretion  of
Employer's  Board  of  Directors,  subject,  however,  to prior  termination  as
hereinafter provided.

     4. Compensation of Employee.

          a. Compensation.  Employee shall not be entitled to Compensation prior
     to the date of the IPO. From and after the date of the IPO for all services
     rendered by Employee during the term of this Agreement,  Employer shall pay
     Employee  an  amount   equal  to  Two  Hundred   Fifty   Thousand   Dollars
     ($250,000.00)  per annum in equal  monthly  installments  on such  dates as
     Employer   customarily  pays  its  employees.   The  amount  of  Employee's
     Compensation   hereunder  shall  be  reviewed  periodically  and  shall  be
     increased based on the market price of Employer's stock.

          b. Fringe  Benefits.  Employer  shall  provide to Employee  all of the
     ancillary benefits  available to Employer's other executives.  In addition,
     Employer  agrees to pay an additional  Five Hundred  Dollars  ($500.00) per
     month to enable  Employee  to obtain  disability,  life,  dental and health
     insurance  and provide for a car  allowance in excess of amounts  currently
     provided by Employer to its other executives.


                                        2

<PAGE>




          c.  Stock  Options.  All  options to  purchase  stock of  Employer  in
     Employee's  possession which have not already vested shall vest on the date
     which is forty-five (45) days after the IPO date.

     5. Recommendations for Improving Operations.  Employee shall make available
to Employer all information of which Employee shall have any knowledge and shall
make all  suggestions  and  recommendations  that will give  mutual  benefit  to
Employer and himself.

     6. Trade Secrets.

          a. Employee  expressly  acknowledges  and agrees that Employee will be
     given access to and become familiar with business  methods,  trade secrets,
     and other  proprietary  information  developed at  Employer's  expense (the
     "Trade  Secrets"),  which  are  valuable,  unique,  and  essential  to  the
     performance of Employee's duties  hereunder,  as well as being essential to
     the overall continued  success and business goodwill of Employer.  Employee
     expressly  acknowledges  and agrees that the Trade Secrets are  proprietary
     and confidential and if any of the Trade Secrets were imparted to or became
     known by any persons,  including Employee engaging in a business in any way
     competitive with that of Employer's,  such would result in hardship,  loss,
     irreparable  injury and damage to Employer,  the measurement of which would
     be  difficult,  if not  impossible,  to  determine.  Accordingly,  Employee
     expressly agrees that Employer has a legitimate  interest in protecting the
     Trade Secrets and its business from such hardship, loss, irreparable injury
     and damage,  that the following  covenant is a reasonable means by which to
     accomplish  that  purpose,  and  that  violation  of any of the  protective
     covenants  contained  herein  shall  constitute  a breach  of trust  and is
     grounds  for  immediate  dismissal  and for  appropriate  legal  action for
     damages, enforcement and/or injunction.

          b.  Employee  acknowledges  that the Trade  Secrets  give  Employer an
     advantage  over its  competitors,  and that the same is not available to or
     known by Employer's  competitors or the general  public.  Employee  further
     acknowledges that Employer has devoted  substantial time, money, and effort
     in the  development of the Trade Secrets and in maintaining the proprietary
     and confidential nature thereof.  Employee further acknowledges  Employee's
     position with Employer is one of the highest trust and confidence by reason
     of

                                        3

<PAGE>



     Employee's  knowledge  of,  access to, and contact with the Trade  Secrets.
     Employee  agrees to use  Employee's  best  efforts  and  exercise of utmost
     diligence to protect and safeguard the Trade  Secrets.  Employee  covenants
     that,  during  the  term  of  this  Agreement  regardless  of  which  party
     terminates  this  Agreement  and  whether  such  termination  is for cause,
     Employee will not  disclose,  disseminate  or  distribute  to another,  nor
     induce any other person to disclose,  disseminate or distribute,  any Trade
     Secrets of Employer,  directly or  indirectly,  either for  Employee's  own
     benefit or for the benefit of another, nor will Employee use or cause to be
     used any Trade  Secrets in any way except as is  required  in the course of
     Employee's  employment with Employer.  Employee  acknowledges and covenants
     that all Trade  Secrets  relating to the business of Employer  shall remain
     the  exclusive  property  of  Employer,  shall not be  copied or  otherwise
     reproduced in whole or in part,  and shall not be removed from the premises
     of Employer,  under any circumstances  whatsoever without the prior written
     consent of Employer.

     7. Trade Secrets after Termination of Employment.  All the terms of Section
6 shall  remain in full force and effect for a period of two (2) years after the
termination of Employee's employment.

     8. Injunctive  Relief.  In addition to the remedies cited herein,  Employer
shall be entitled to injunctive  relief  against  Employee from the violation of
the terms of Sections 6, 7, and 10 of this Agreement.

     9. Termination.

          a. This Agreement shall be terminated  immediately upon the occurrence
     of one of the  following  conditions or events:  (i) in the event  Employee
     conducts  himself  in an  immoral  or  fraudulent  manner,  or  should  the
     Employee's  conduct discredit Employer or be detrimental to the reputation,
     character and standing of Employer;  (ii)  conviction of any crime of moral
     turpitude  or of any crime  punishable  as a felony;  or (iii) the death of
     Employee.

          b. In accordance with Section 2-413 of Maryland's General  Corporation
     Law,  Employer's  Board of Directors may remove Employee and terminate this
     Agreement at any time if, in the Board's  judgment,  the best  interests of
     Employer will be served thereby.  In the event this Agreement is terminated
     by Employer, Employee shall be entitled to receive compensation through the
     date

                                        4

<PAGE>



     of  termination.  In addition,  in the event Employee is terminated for any
     reason  whatsoever,  other than for cause  pursuant  to Section  9.a,  then
     Employee  shall  be  entitled  to  continue  to  receive  compensation  and
     benefits,  as set forth in  Section 4 hereof for a period of two (2) months
     after termination as severance.

          c. Employee may terminate  this  Agreement at any time, for any reason
     whatsoever, upon sixty (60) days written notice to Employer.

     10. Restrictive Covenants.

          a.  Because of the unique  value to Employer of the services for which
     Employer  has  contracted  hereunder,  the  nature of  Employee's  personal
     contact with clients and potential clients of Employer,  and because of the
     confidential information to be obtained by Employee, all as aforementioned,
     and in  consideration  of  employment by Employer,  Employee  covenants and
     agrees:

               (1) that at no time  during the term of this  Agreement  or for a
          period of two (2) years immediately following the termination, for any
          reason,  of his  employment  hereunder,  will he  engage  directly  or
          indirectly,  either personally or as an employee,  associate, partner,
          manager,  agent, or otherwise, or by means of any corporation or other
          device,  in a business  similar to  Employer's  within a ten (10) mile
          area of  Employer's  place of business or any of  Employer's  clients'
          places of business.

               (2) that during the term of this Agreement, Employee shall not be
          employed by, perform services for or receive  compensation of any kind
          for services  rendered after the date hereof from any person or entity
          other than Employer or any affiliates of Employer, it being the intent
          of the parties that Employer  shall have the sole and exclusive  right
          to the benefit of Employee's services; and

               (3) that for a period of two (2) years after  Employee  ceases to
          be employed by Employer for any reason whatsoever, Employee shall not,
          without the prior consent of Employer, directly or indirectly, solicit
          for  employment  or employ,  directly or  indirectly,  any employee of
          Employer.

          b.  Nothing  in this  Agreement  shall  be  construed  as  prohibiting
     Employer from pursuing any remedies available to it at

                                        5

<PAGE>



     law or in equity for a breach or threatened breach of Sections 6, 7, and 10
     of this Agreement.

          c.  The  parties   hereto   agree  that  if  any  court  of  competent
     jurisdiction  shall  determine  that  the  period,  or any  other  term  or
     provision of this Agreement,  is unreasonable,  the said term, or provision
     shall not be deemed to be null and void but shall be reformed to impose the
     maximum enforceable period, term or other provisions as the case may be.

          d.  Notwithstanding  anything  contained  in  this  Section  10 to the
     contrary,  (i)  prior  to the IPO  date,  Employee  shall be  permitted  to
     conclude  business  dealings  in which he is  currently  involved  and (ii)
     during and after the term of this  Agreement,  Employee  may  continue  his
     activities  with  the  American  Academy  of  Medical  Administrators,  the
     American  Hospital  Association,   the  American  College  of  Health  Care
     Executive  and other  non-profit  organizations  which do not compete  with
     Employer.

     11.  Extension  of  Limitation  Period.  The  parties  acknowledge  that if
Employee violates any of the protective  covenants hereunder and Employer brings
legal action for  injunctive or other relief  hereunder,  Employer  shall,  as a
result of the time involved in obtaining the relief,  be deprived of the benefit
of the full Limitation Period of these protective  covenants.  Accordingly,  the
Limitation Period shall be deemed to have the full duration of the period stated
therein,  computed  from the date  relief is  granted,  but  reduced by the time
between  the period  when the  restriction  began to run at the  termination  of
Employee's  employment  hereunder  and the date of the  first  violation  of the
covenant by Employee.

     12. Vacation,  Leave and Personal.  Employee shall be entitled to vacation,
sick and  personal  leave in  accordance  with the general  policies of Employer
regarding such leave with respect to executives.

     13.  Lock-Up  Agreement.  Employee  agrees to  execute a Lock-Up  Agreement
("Lock-Up  Agreement")  in the  event  of an IPO in  the  form  provided  by the
underwriter of such public offering,  provided that such Lock-Up Agreement shall
be substantially the same form executed by all officers, directors and principal
stockholders  of  Employer.  In the event  Employee  shall fail to execute  such
Lock-Up  Agreement,  within five (5) days after  request  for same by  Employer,
Employee does hereby appoint any officer of the Company as his  attorney-in-fact
to execute such agreement on his behalf. The

                                        6

<PAGE>



power  of  attorney  granted  herein  shall  be  irrevocable and coupled with an
interest.

     14. Indemnification. Employer's charter provides that to the fullest extent
permitted by the Maryland General  Corporation Law, Employer shall indemnify any
and all persons whom it shall have power to indemnify under the Maryland General
Corporation Law, in accordance with Sections 2-405.1, 2-405.2 and 2-418 thereof,
from and  against  any and all of the  expenses,  liabilities  or other  matters
referred to in or covered by said Maryland General  Corporation Law. Pursuant to
Section 2-418 of Maryland's General  Corporation Law, Employer may not indemnify
a person made a party to a  proceeding  if: (a) an act or omission of the person
was material to the matter giving rise to the  proceeding  and (i) was committed
in bad faith or (ii) was the result of active and deliberate dishonesty;  or (b)
the person actually received an improper personal benefit in money, property, or
services;  (c) the  person  had  reasonable  cause  to  believe  that the act or
omission  was  unlawful,  in the case of a criminal  proceeding:  (d) the person
shall have been  adjudged to be liable to Employer in a proceeding  by or in the
right of the Employer; (e) the person is adjudged to be liable on the basis that
personal  benefit was improperly  received in any proceeding  charging  improper
personal benefit to the person,  whether or not involving action in the person's
official capacity; or (f) indemnification has not been authorized for a specific
proceeding after determination has been made, in the manner set forth in Section
2-418(e), that indemnification of the person is permissible in the circumstances
because the person has met the required standard of conduct.  Employer agrees to
indemnify  Employee  to  the  fullest  extent  permitted  by  Maryland  law  and
Employer's charter.

     15. Return of  Documents.  Upon  termination  of  employment,  whether such
termination be voluntary or involuntary,  Employee shall deliver to Employer all
records, lists, receipts, contracts and other documents that belong to Employer,
as well as all other property that belongs to Employee.

     16.  Waiver.  No evidence of any waiver of any provision of this  Agreement
shall be offered or  received  in evidence  at any  proceeding,  arbitration  or
litigation  between  the  parties  hereto  arising  out  of  or  affecting  this
Agreement,  or the rights or obligations of the parties  hereunder,  unless such
waiver is in writing and is duly executed by the party to be charged therewith,

                                        7

<PAGE>



and the parties  further  agree that the  provisions  of this section may not be
waived except as herein set forth.

     17.  Severability.  All  agreements  and  covenants  contained  herein  are
severable,  and in the event any of them,  with the exception of those contained
in Sections 1 and 4 hereof,  shall be held to be invalid by any competent court,
this Agreement  shall be interpreted as if such invalid  agreements or covenants
were not contained  herein.  Notwithstanding  the foregoing,  the parties hereto
agree that to the  extent  that any  provision  or portion of Section 10 of this
Agreement  shall be held,  found  or  deemed  to be  unreasonable,  unlawful  or
unenforceable by a court of competent  jurisdiction,  then any such provision or
portion thereof shall be deemed to be modified to the extent  necessary in order
that any such provision or portion  thereof shall be legally  enforceable to the
fullest  extent  permitted by applicable  law; and the parties hereto do further
agree that any court of competent  jurisdiction  shall and the parties hereto do
hereby  expressly  authorize,   request  and  empower  any  court  of  competent
jurisdiction  to enforce any such provision or portion  thereof or to modify any
such  provision or portion  thereof in order that any such  provision or portion
thereof  shall be  enforced  by such court to the fullest  extent  permitted  by
applicable law.

     18. Notices. Any notices to be given hereunder by either party to the other
may be effected  by  personal  delivery,  in writing or by mail,  registered  or
certified,  postage prepaid with return receipt requested.  Mailed notices shall
be addressed to the parties at the  addressees  set forth below,  but each party
may  change  its  address by written  notice in  accordance  with this  Section.
Notices  delivered  personally  shall be deemed  communicated  as of the  actual
receipt;  mailed notices shall be deemed communicated as of three (3) days after
mailing.

                  If to Employee:

                           Francis J. Cronin
                           P.O. Box 257
                           Sea Girt, New Jersey 08750

                  If to Employer:

                           Medi-Cen Management, Inc.
                           5110 Ridgefield Road, Suite 212
                           Bethesda, Maryland 20814

                                        8

<PAGE>



     19.  Choice of Law. It is the  intention  of the  parties  hereto that this
Agreement and the  performance  hereunder and all suits and special  proceedings
hereunder be construed in accordance  with and under and pursuant to the laws of
the State of  Maryland,  and that in any action,  special  proceedings  or other
proceedings that may be brought arising out of, in connection with, or by reason
of this  Agreement,  the laws of the State of Maryland  shall be applicable  and
shall govern to the exclusion of the law of any other forum,  without  regard to
the jurisdiction in which any action or special proceeding may be instituted.

     20.  Attorneys'  Fees. In any action at law or equity to enforce any of the
provisions  or rights  under  this  Agreement,  the  unsuccessful  party to such
litigation,  as determined by the court in any final  judgment or decree,  shall
pay  the  successful  party  or  parties  all  costs,  expenses  and  reasonable
attorneys'  fees incurred  therein by such party or parties  (including  without
limitation such costs, expenses and fees on any appeal or in connection with any
bankruptcy  proceedings),  and if the successful party recovers  judgment in any
such action or proceeding,  such costs,  expenses and  attorneys'  fees shall be
included in and as a part of such judgment.

     21.  Entire  Agreement.   This  Agreement  supersedes  any  and  all  other
agreements,  either oral or in writing,  between the parties hereto with respect
to the  employment of Employee by Employer and contains all of the covenants and
agreements  between the parties with respect to such  employment.  Each party to
this Agreement acknowledges that no representations,  inducements or agreements,
oral or  otherwise,  have been made by any party,  or anyone acting on behalf of
any party, which are not embodied herein,  and no other agreement,  statement or
promise  not  contained  in this  agreement  shall  be  valid  or  binding.  Any
modification  of this Agreement will be effected only if it is in writing signed
by the party to be charged.

     22. Termination of Prior Agreements.  Employee acknowledges and agrees that
upon  execution  of this  Agreement,  any and all  existing  agreements  between
Employee and Employer, Medi-Cen, Corp. of America or any affiliates of Medi-Cen,
Corp. of America shall be deemed automatically terminated.

     23.  Counterparts.  Separate  copies of this Agreement may be signed by the
parties hereto, with the same effect as though all of the parties had signed one
copy of this Agreement.

                                        9

<PAGE>


     IN WITNESS  WHEREOF,  the parties hereto have set their hands and seals the
date first above written.

WITNESS:                                  EMPLOYER:
                                          MEDI-CEN MANAGEMENT, INC.

                                          By:/s/ Michael Macedo          (SEAL)
- -------------------------                    ----------------------------
                                          Name: Michael Macedo  
                                               --------------------------
                                          Title:Chief Executive Officer
                                                -------------------------
WITNESS:                                     EMPLOYEE:


                                          /s/ Francis J. Cronin     (SEAL)
- -------------------------                 -------------------------
                                          Francis J. Cronin     



                                       10



                [Letterhead of Michael Carlos Buarque De Macedo]


                                February 14, 1997


YATER MEDICAL GROUP, P.C.
1780 Massachusetts Avenue, N.W.
Washington, D.C.  20036

      Re: Agreement for Legal Services

Dear Sirs/Madams:

      This is to confirm our understanding regarding the provision of legal
services by our firm to YATER MEDICAL GROUP, P.C. ("YATER"). In consideration
for YATER's payment of one-third of the salary of Tatiana Daniels Macedo, Esq.,
an attorney employed by this firm, payable in equal installments twice per
month, plus approved expenses, our firm will provide YATER with legal consultant
services consisting of up to one-third of Ms. Macedo's time performing legal
work for this firm. This agreement is terminable by either party with two (2)
weeks prior written notice.

                                    Very truly yours,

                                    Michael Carlos Buarque de Macedo


                                    By: /s/ Mickey Macedo
                                        ----------------------------
                                        Mickey Macedo

Agreed and accepted by:

YATER MEDICAL GROUP, P.C.


By: /s/ P. Steven Macedo, M.D.
    --------------------------
    P. Steven Macedo, M.D.
    President

<PAGE>

                [Letterhead of Michael Carlos Buarque De Macedo]


                                February 14, 1997


HEALTH QUALITY MANAGEMENT, INC.
5110 Ridgefield Road, Suite 212
Bethesda, Maryland  20814

      Re: Agreement for Legal Services

Dear Sirs:

      This is to confirm our understanding regarding the provision of legal
services by our firm to HEALTH QUALITY MANAGEMENT, INC. ("HQM"). In
consideration for HQM's payment of one-third of the salary of Tatiana Daniels
Macedo, Esq., an attorney employed by this firm, payable in equal installments
twice per month, plus approved expenses, our firm will provide HQM with legal
consultant services consisting of up to one-third of Ms. Macedo's time
performing legal work for this firm. This agreement is terminable by either
party with two (2) weeks prior written notice.

                                    Very truly yours,

                                    Michael Carlos Buarque de Macedo


                                    By: /s/ Mickey Macedo
                                        ----------------------------
                                        Mickey Macedo


Agreed and accepted by:

HEALTH QUALITY MANAGEMENT, INC.


By: /s/ Harrison G. Jett
    ------------------------------

<PAGE>

                [Letterhead of Michael Carlos Buarque De Macedo]


                                February 19, 1997


Michael Carlos Buarque de Macedo
Attorneys at Law
5301 Wisconsin Avenue, N.W., Suite 620
Washington, D.C.  20015

      Re:  Clarification of Agreements for Legal Services

Dear Mr. Macedo:

      This is to clarify and confirm that the agreement by each of the
undersigneds to pay one-third of the salary of Tatiana Daniels Macedo, Esq., an
attorney employed by your law firm, in exchange for legal consultant services by
your firm, is retroactive to January 1, 1997, the commencement date of the
employment agreement between your firm and Ms. Macedo.

                              Very truly yours,

                              HEALTH QUALITY MANAGEMENT, INC.


                              By: /s/ Harrison G. Jett
                                  -----------------------------------------
                                  Harrison G. Jett, 
                                  Chief Financial Officer


                              MEDI-CEN, CORP. OF MARYLAND


                              By: /s/ Jerry W. Clever
                                  -----------------------------------------
                                  Jerry W. Clever, D.S.W.
                                  Vice President of Clinical Affairs


                              By: /s/ Gregory Winston
                                  -----------------------------------------
                                  Gregory Winston
                                  Vice President of Operations


                              YATER MEDICAL GROUP, P.C.


                              By: /s/ P. Steven Macedo
                                  -----------------------------------------
                                  P. Steven Macedo, M.D., 
                                  President

<PAGE>

                [Letterhead of Michael Carlos Buarque De Macedo]


                                February 14, 1997


MEDI-CEN, CORP. OF MARYLAND
5530 Wisconsin Avenue, Suite 1248
Chevy Chase, Maryland  20815

      Re: Agreement for Legal Services

Dear Sirs:

      This is to confirm our understanding regarding the provision of legal
services by our firm to MEDI-CEN, CORP. OF MARYLAND ("MEDI-CEN"). In
consideration for MEDI-CEN's payment of one-third of the salary of Tatiana
Daniels Macedo, Esq., an attorney employed by this firm, payable in equal
installments twice per month, plus approved expenses, our firm will provide
MEDI-CEN with legal consultant services consisting of up to one-third of Ms.
Macedo's time performing legal work for this firm. This agreement is terminable
by either party with two (2) weeks prior written notice.

                                    Very truly yours,

                                    Michael Carlos Buarque de Macedo


                                    By: /s/ Mickey Macedo
                                        ----------------------------
                                        Mickey Macedo


Agreed and accepted by:

MEDI-CEN, CORP. OF MARYLAND

By:   
      ----------------------------------
      Jerry W. Clever, D.S.W.
      Vice President of Clinical Affairs


      ----------------------------------
      Gregory Winston
      Vice President of Operations
<PAGE>

                [Letterhead of Michael Carlos Buarque De Macedo]


                                February 14, 1997


YATER MEDICAL GROUP, P.C.
1780 Massachusetts Avenue, N.W.
Washington, D.C.  20036

      Re: Agreement for Legal Services

Dear Sirs/Madams:

      This is to confirm our understanding regarding the provision of legal
services by our firm to YATER MEDICAL GROUP, P.C. ("YATER"). In consideration
for YATER's payment of one-third of the salary of Tatiana Daniels Macedo, Esq.,
an attorney employed by this firm, payable in equal installments twice per
month, plus approved expenses, our firm will provide YATER with legal consultant
services consisting of up to one-third of Ms. Macedo's time performing legal
work for this firm. This agreement is terminable by either party with two (2)
weeks prior written notice.

                                    Very truly yours,

                                    Michael Carlos Buarque de Macedo


                                    By: ____________________________
                                        Mickey Macedo


Agreed and accepted by:

YATER MEDICAL GROUP, P.C.


By:   _________________________
      P. Steven Macedo, M.D.
      President



                           EXECUTIVE OFFICER CONTRACT

- - 1. HEALTH QUALITY MANAGEMENT, INC., of 5110 Ridgefield Road, Suite 212,
Bethesda, Maryland 20816 (hereinafter referred to as CORPORATION), and Harrison
Jett, of 1720 Highland Rd., Fredericksburg, VA, 22401 hereinafter referred to as
CHIEF FINANCIAL OFFICER), agree to the following contract, to commence when this
Contract has been signed by both parties. Upon the commencement of this
Contract, the terms hereof shall supersede any and all prior Contracts between
CORPORATION and CHIEF FINANCIAL OFFICER.

- - 2. CORPORATION agrees to compensate CHIEF FINANCIAL OFFICER a BASE PAY of One
hundred seventy five thousand dollars ($175,000) per year. The BASE PAY shall be
paid Sixty nine percent (69%) in cash and Thirty one percent (31%) in stock of
the corporation at the rate of ten dollars ($10.00) per share of common stock of
the CORPORATION prior to the IPO. After the IPO the BASE PAY shall be fully
payable in cash.

- - 3. BASE PAY will be paid a series of monthly PAYMENTs. Prior to the IPO, each
PAYMENT shall be in the amount of Ten thousand sixty two dollars and forty nine
cents ($10,062.49) per month (cash PAYMENT) and Five hundred sixty nine (569)
shares per month (stock PAYMENT). After the IPO, each PAYMENT shall be in the
amount of Fourteen thousand five hundred eighty three dollars and thirty three
cents ($14,583.33). Each PAYMENT will be made within 5 days of the last day of
each month. Prior to the IPO, however, in no event shall the total amount of
cash PAYMENTS made exceed 15% of Health Quality Management stock sold pursuant
to the current registered offering after the effective date of this contract.


- - 4. The CHIEF FINANCIAL OFFICER shall receive a BONUS in the form of stock
options, each GROUP of which will permit CHIEF FINANCIAL OFFICER to purchase two
thousand (2,000) shares of CORPORATION's common stock at a price of ten dollars
($10.00) per share. CORPORATION shall issue CHIEF FINANCIAL OFFICER a total
maximum of options for eight thousand (8,000) share of stock in CORPORATION, a
total of four (4) GROUPS. Each GROUP shall vest the first time the CORPORATION
achieves each one of the following goals:

      (1)   Implementation of the billing and management of Yator/Medi-Cen
            clinic in Dupont circle,

      (2)   Billing of a minimum of 10,000 multispecialty capitated lives,

      (3)   Purchase of a medical office building in Rockville,

      (4)   The first time total gross collections billed by CORPORATION
            received in a calendar month exceeds one million dollars
            ($1,000,000.00),

The stock options cannot be exercised until the shares have been held for a
period of two (2) years from the date of issue and registered for sale. The
options shall expire ten (10) years 
<PAGE>

after the date of this Contract. In the event this Contract is terminated, CHIEF
FINANCIAL OFFICER shall retain his right to hold the stock options earned as of
the termination date.

- - 5. CHIEF FINANCIAL OFFICER agrees to work to the best of his ability as a
CHIEF FINANCIAL OFFICER of the CORPORATION and shall perform certain specific
duties for the CORPORATION as are customary of a CHIEF FINANCIAL OFFICER and
such duties and functions as are reasonably requested from time to time by
either the Board of Directors or the CEO of the CORPORATION. This obligation is
personal in nature and may not be delegated by the CHIEF FINANCIAL OFFICER.

- - 6. COVENANTS NOT TO COMPETE. CHIEF FINANCIAL OFFICER agrees that at no time
during the term of this Agreement or for a period of two (2) years immediately
following the termination, for any cause, of his employment hereunder, will he
engage directly or indirectly, either personally or as an employee, associate,
partner, manager, agent, or otherwise, or by means of any corporate or other
device, in a business similar to CORPORATION 's within a ten (10) mile area of
CORPORATION 's place of business or any of CORPORATION's client's place of
business. If any court of competent jurisdiction shall determine that the period
or geographical area covered herein, or any other term or provision of this
Agreement, is unreasonable, the said term, geographical area or provision shall
not be deemed to be null and void but shall be reformed to impose the maximum
enforceable period, geographical area, term or other provisions as the case may
be.

      EXTENSION OF LIMITATION PERIOD. The parties acknowledge that if CHIEF
FINANCIAL OFFICER violates any of the protective covenants hereunder and
CORPORATION brings legal action for injunctive or other relief hereunder,
CORPORATION shall, as a result of the time involved in obtaining the relief, be
deprived of the benefit of the full Limitation Period of these protective
covenants. Accordingly, the Limitation Period shall be deemed to have the full
duration of the period stated therein, computed from the date relief is granted,
but reduced by the time between the period when the restriction began to run at
the termination of CHIEF FINANCIAL OFFICER 's employment hereunder and the date
of the first violation of the covenant by CHIEF FINANCIAL OFFICER.

- - 7. Either party may terminate this Contract for any reason with thirty (30)
days written notice to the other party. In the event of termination, CHIEF
FINANCIAL OFFICER must leave all records at the office of CORPORATION, and both
parties agree that the records, contact and resource lists, and any work product
generated by, for or on behalf of CORPORATION are particularly confidential,
valuable and proprietary to CORPORATION. If the CORPORATION terminates this
agreement without cause after the IPO the CHIEF FINANCIAL OFFICER shall continue
to receive his BASE PAY for one year after termination. All the terms of
Sections 6 and 8 shall remain in full force and effect for a period of two (2)
years after the termination of CHIEF FINANCIAL OFFICER's employment.

 - 8. a. CHIEF FINANCIAL OFFICER expressly acknowledges and agrees that CHIEF
FINANCIAL OFFICER will be given access to and become familiar with business
methods, 
<PAGE>

trade secrets, and other proprietary information developed at CORPORATION's
expense (the "TRADE SECRETS"), which are valuable, unique, and essential to the
performance of CHIEF FINANCIAL OFFICER 's duties hereunder, as well as being
essential to the overall continued success and business goodwill of CORPORATION.
CHIEF FINANCIAL OFFICER expressly acknowledges and agrees that the TRADE SECRETS
are proprietary and confidential and if any of the TRADE SECRETS were imparted
to or became known by any persons, including CHIEF FINANCIAL OFFICER engaging in
a business in any way competitive with that of CORPORATION 's, such would result
in hardship, loss, irreparable injury and damage to CORPORATION, the measurement
of which would be difficult, if not impossible, to determine. Accordingly, CHIEF
FINANCIAL OFFICER expressly agrees that CORPORATION has a legitimate interest in
protecting the TRADE SECRETS and its business from such hardship, loss,
irreparable injury and damage, that the following covenant is a reasonable means
by which to accomplish that purpose, and that violation of any of the protective
covenants contained herein shall constitute a breach of trust and is grounds for
immediate dismissal and for appropriate legal action for damages, enforcement
and/or injunction.

      a. CHIEF FINANCIAL OFFICER acknowledges that the TRADE SECRETS give
CORPORATION an advantage over its competitors, and that the same is not
available to or known by CORPORATION's competitors or the general public. CHIEF
FINANCIAL OFFICER further acknowledges that CORPORATION has devoted substantial
time, money, and effort in the development of the Trade Secrets and in
maintaining the proprietary and confidential nature thereof. CHIEF FINANCIAL
OFFICER further acknowledges CHIEF FINANCIAL OFFICER 's position with
CORPORATION is one of the highest trust and confidence by reason of CHIEF
FINANCIAL OFFICER 's knowledge of, access to, and contact with the Trade
Secrets. CHIEF FINANCIAL OFFICER agrees to use CHIEF FINANCIAL OFFICER 's best
efforts and exercise of utmost diligence to protect and safeguard the TRADE
SECRETS. CHIEF FINANCIAL OFFICER covenants that, during the term of this
Agreement regardless of which party terminates this Agreement and whether such
termination is for cause, CHIEF FINANCIAL OFFICER will not disclose, disseminate
or distribute to another, nor induce any other person to disclose, disseminate
or distribute, any TRADE SECRETS of CORPORATION, directly or indirectly, either
for CHIEF FINANCIAL OFFICER 's own benefit or for the benefit of another, nor
will CHIEF FINANCIAL OFFICER use or cause to be used any TRADE SECRETS in any
way except as is required in the course of CHIEF FINANCIAL OFFICER 's employment
with CORPORATION. CHIEF FINANCIAL OFFICER acknowledges and covenants that all
TRADE SECRETS relating to the business of CORPORATION shall remain the exclusive
property of CORPORATION, shall not be copied or otherwise reproduced in whole or
in part, and shall not be removed from the premises of CORPORATION, under any
circumstances whatsoever without the prior written consent of CORPORATION. All
the terms of Section 8 shall remain in full force and effect for a period of two
(2) years after the termination of CHIEF FINANCIAL OFFICER's employment.

- - 9. The IPO for the purposes of this contract shall be defined as the day the
CORPORATION lists its stock on a national stock exchange for public trading as
defined by 13(a) or 15(d) of the Securities Act of 1934, as amended, with a firm
commitment underwriter.
<PAGE>

      a. After the IPO the CORPORATION shall purchase life insurance for the
CHIEF FINANCIAL OFFICER in the amount of three times his annual salary.

- - 10. UNIT(S) or SHARES of stock in CORPORATION cannot be sold unless they are
registered under the Securities Act of 1933, as amended (the "ACT") (and the
securities laws of the state of residence, if applicable) or an exemption from
such registration is available. No UNITS or SHARES will be sold, assigned, or
otherwise transferred unless a registration statement under the ACT (and the
securities laws of the state of residence, if applicable) with respect thereto
is in effect, or the CORPORATION has received a written opinion of counsel
satisfactory to the CORPORATION that, after an investigation of the relevant
facts, which shall be recited in such opinion, such counsel is of the opinion
that such sale, assignment, or transfer does not involve a transaction requiring
registration thereof under the ACT (and the securities laws of the state of
residence, if applicable) governing resale's of securities acquired from an
issuer thereof.

- - 11. All notices required or permitted under this Contract shall be in writing
and shall be deemed given when delivered in person or when sent via registered
or certified U.S. Mail, return receipt requested, or via facsimile transmission
followed by mail to the addresses and parties set forth above, or to such other
address of which any party hereto may from time to time have been notified by
the other in compliance with the notice provisions hereof.

- - 12. This is the entire agreement between the parties and no other oral or
written representations have been made. This Contract cannot be amended except
by a writing, signed by both parties. This Contract shall not have binding
effect unless and until signed by both parties. This Contract may be signed and
executed in counterpart. The Contract is governed by Maryland law. Each party
shall notify the other party in writing of any address or name change. In
addition to the remedies cited herein, CORPORATION shall be entitled to
injunctive relief against CHIEF FINANCIAL OFFICER from the violation of the
terms of Sections 6 and 8 of this Agreement. Each provision of this Contract
shall be enforced to the fullest extent allowed by law. If any part of this
Contract is deemed invalid, unenforceable, void, or voidable under the governing
law, then that part may be severed and the remainder left to stand as if the
part was not present.

                                   SIGNATURES

The following signatures signify consent and agreement to the foregoing CHIEF
FINANCIAL OFFICER CONTRACT consisting of 12 Paragraphs between HEALTH QUALITY
MANAGEMENT, INC. and Harrison Jett.


/s/ [ILLEGIBLE]                                                      8-5-96
- -----------------------------------------------------               --------
CHIEF FINANCIAL OFFICER  -                                            Date


/s/ [ILLEGIBLE}                                                      8-5-96
- -----------------------------------------------------               --------
For the CORPORATION - HEALTH QUALITY MANAGEMENT, INC.                 Date
<PAGE>

Stock Option Certificate

This stock option certificate provides that ____________________________ is the
registered holder of an option to purchase ____________ shares of common stock
in HEALTH QUALITY MANAGMENT, INC., incorporated under the laws of the State of
Maryland in 1994, for a price of ten dollars ($10.00) per share.

This option may only be exercised two years after the date of this option.

This option must be exercised within 10 years of the commencement date of the
employment contract, after time which this option will expire. To exercise this
option send this option with a check to "HEALTH QUALITY MANAGEMENT, INC." for
ten dollars ($10.00) per share to be purchased to HEALTH QUALITY MANAGEMENT,
INC., 5110 Ridgefield Rd, Suite 212, Bethesda, MD, 20815.

The security evidenced by this certificate has not been registered under the
Securities and Exchange Act of 1933, or any applicable state law, and no
interest therein may be sold, distributed, assigned, offered, pledged, or
otherwise transferred unless (a) there is an effective registration statement
under such Act and applicable state securities laws covering any such
transaction involving said securities, or (b) this corporation receives an
opinion of legal counsel for the holder of these securities (concurred in by
legal counsel for this corporation) stating that such transaction is exempt from
registration, or this corporation otherwise satisfies itself that that such
transaction is exempt from registration.

Unless this Option has been executed by manual signature, this Option shall not
be entitled to any benefit, or be valid or obligatory for any purpose.

IN WITNESS WHEREOF, the Company has caused this Option to be duly executed under
its corporate seal.

Dated: 08/05/96

                    HEALTH QUALITY MANAGEMENT, INC.

                         By:
                            ---------------------------------
                                 Chief Executive Officer

Attest:
       ----------------------------------
              Secretary
<PAGE>

                                  AMENDMENT TO
                           EXECUTIVE OFFICER CONTRACT

- - 1. HEALTH QUALITY MANAGEMENT, INC., of 5110 Ridgefield Road, Suite 212,
Bethesda, Maryland 20816 (hereinafter referred to as CORPORATION), and Harrison
Jett, of 1720 Highland Rd., Fredericksburg, VA 22401 (hereinafter referred to as
CHIEF FINANCIAL OFFICER), agree to the following amendment to the EXECUTIVE
OFFICER CONTRACT between CORPORATION and CHIEF FINANCIAL OFFICER, dated August
5, 1996 (hereinafter referred to as EXECUTIVE OFFICER CONTRACT), to commence
when this Amendment has been signed by both parties. This Amendment shall
supersede the EXECUTIVE OFFICER CONTRACT, to the extent that their terms
conflict.

- - 2. After CORPORATION begins processing the billings for the Yater Medical
Group, P.C., prior to the IPO as defined in paragraph 9 of the EXECUTIVE OFFICER
CONTRACT, the cash portion of the BASE PAY which CORPORATION shall pay EXECUTIVE
OFFICER monthly shall be the greater of :

      (a)   five thousand, thirty-one dollars and twenty-five cents ($5,031.25);
            or

      (b)   15% of the CORPORATION's stock sold pursuant to the current
            registered offering after the effective date of the EXECUTIVE
            OFFICER CONTRACT, up to an average of ten thousand, sixty-two
            dollars and fifty cents ($10,062.50) per month from the date of the
            EXECUTIVE OFFICER CONTRACT.

                                   SIGNATURES

The following signatures signify consent and agreement to the foregoing
AMENDMENT TO EXECUTIVE OFFICER CONTRACT consisting of 2 Paragraphs between
HEALTH QUALITY MANAGEMENT, INC. and Harrison Jett.

/s/ Harrison Jett                                                   10-24-96
- -----------------------------------------------------               --------
CHIEF FINANCIAL OFFICER  - Harrison Jett                              Date


/s/ [ILLEGIBLE], CEO                                                10-24-96
- -----------------------------------------------------               --------
For the CORPORATION - HEALTH QUALITY MANAGEMENT, INC.                 Date


                                       1
<PAGE>

                                  AMENDMENT TO
                           EXECUTIVE OFFICER CONTRACT

- - 1. HEALTH QUALITY MANAGEMENT, INC., of 5110 Ridgefield Road, Suite 212,
Bethesda, Maryland 20816 (hereinafter referred to as CORPORATION), and Harrison
Jett, of 1401 North Taft Street, #113, Arlington, 22201 (hereinafter referred to
as CHIEF FINANCIAL OFFICER), agree to the following amendment to the EXECUTIVE
OFFICER CONTRACT between CORPORATION and CHIEF FINANCIAL OFFICER, dated August
5, 1996 (hereinafter referred to as EXECUTIVE OFFICER CONTRACT), to commence
when this Amendment has been signed by both parties. This Amendment shall
supersede the EXECUTIVE OFFICER CONTRACT, to the extent that their terms
conflict.

- - 2. Paragraph 2 of the EXECUTIVE OFFICER CONTRACT is hereby amended to replace
"Five hundred sixty nine (569) shares per month (stock PAYMENT)" with "Four
hundred fifty two (452) per month (stock PAYMENT)".

- - 3. Paragraph 4 of the EXECUTIVE OFFICER CONTRACT is hereby amended to replace:

      "The stock options cannot be exercised until the shares have been held for
      a period of two years from the date of issue and registered for sale. The
      options shall expire ten (10) years after the date of this Contract."

with:

      "The stock options cannot be exercised until the shares have been held for
      a period of two (2) years from the date of the options. The options shall
      expire five (5) years after the date of the options."

                                   SIGNATURES

The following signatures signify consent and agreement to the foregoing
AMENDMENT TO EXECUTIVE OFFICER CONTRACT consisting of 3 Paragraphs between
HEALTH QUALITY MANAGEMENT, INC. and Harrison Jett.

/s/ Harrison Jett                                                   12-20-96
- -----------------------------------------------------               --------
CHIEF FINANCIAL OFFICER  - Harrison Jett                              Date


/s/ [ILLEGIBLE], CEO                                                12-20-96
- -----------------------------------------------------               --------
For the CORPORATION - HEALTH QUALITY MANAGEMENT, INC.                 Date

<PAGE>

                    ADDENDUM T0 EXECUTIVE OFFICER CONTRACT

      THIS ADDENDUM T0 EXECUTIVE OFFICER CONTRACT, made this 30th day of
December, 1997, is by and between MEDI-CEN MANAGEMENT, INC. (formerly known as
Health Quality Management, Inc.) ("Corporation") and HARRISON G. JETT
("Employee").

                             INTRODUCTORY STATEMENT

      Pursuant to the Executive Officer Contract dated August 5, 1996 between
Employee and Corporation, as amended (the "Employment Agreement"), Employee
agreed to render certain services to the Corporation. The parties wish to
clarify and amend the terms of the Employment Agreement as set forth herein.

      NOW, THEREFORE, WITNESSETH, for and in consideration of the sum of Ten
Dollars ($10.00), the receipt of which is hereby acknowledged and the mutual
covenants contained herein, the parties do hereby agree to amend the Employment
Agreement as follows:

      1. Lock-Up Agreement. The parties agree to execute a lockup agreement
("Lockup Agreement") in the event Corporation elects to make an Initial Public
Offering ("IPO") at any time within two (2) years of the date of this Addendum
in the form provided by the Underwriter of such IPO, provided that such Lockup
Agreement shall be substantially the same form executed by all officers,
directors and principal stockholders of Corporation. In the event Employee shall
fail to execute such Lockup Agreement within five (5) days after request for
same by Corporation, Employee does hereby appoint any officer of Corporation as
the attorney-in-fact to execute such agreement on its behalf. The power of
attorney granted herein shall be irrevocable and coupled with an interest.

      2. Compensation of Employee. Pursuant to Section 4 of the Employment
Agreement, Corporation has granted eight thousand (8,000) Stock Options to
Employee. As of the date hereof, two thousand (2,000) of the Stock Options have
vested. The remainder of the Stock Options shall vest in accordance with the
terms of the Employment Agreement. The options are intended by Corporation and
Employee to be exercisable at an exercise price that equals or is greater than
the fair market value of the common stock of Corporation at the time of the
grant. The exercise price of Ten Dollars ($10.00) per share was determined by
the Board of Directors of Corporation based upon a variety of factors that it
deemed to be relevant in making such a determination. If it is determined at a
later date that in fact the exercise price is less than the fair market value of
the common stock at the time of the grant, then the exercise price shall be
adjusted as of the date of the grant of the options to a price that equals the
fair market value of the common stock as of the date of the grant.

      3. Full Force and Effect. Except as provided herein, the Employment
Agreement shall remain in full force and effect.
<PAGE>

      IN WITNESS WHEREOF, the parties hereto have set their hands and seals the
date first above written.

WITNESS:                             EMPLOYER:

                                     MEDI-CEN MANAGEMENT, INC,. a
                                     Maryland corporation
       
/s/ [Illegible]                      By: /s/ [Illegible]    (SEAL)   12/31/97
- -------------------------                ------------------------------------
                 12-30-97
                                     Name: [Illegible]

                                     Title: CEO

WITNESS:                             EMPLOYEE:

/s/ [Illegible]  12-30-97            /s/ Harrison G. Jett   12-30-97   (SEAL)
- -------------------------            ----------------------------------------
                                     Harrison G. Jett


                                        2



                               CONSULTANT CONTRACT

- - 1. HEALTH QUALITY MANAGEMENT, INC., of 5110 Ridgefield Road, Suite 212,
Bethesda, Maryland 20816 (hereinafter referred to as CORPORATION), and Francis
J. Cronin, of 1903 Ballycor Drive, Vienna, Virginia 22182 (hereinafter referred
to as CONSULTANT), agree to the following contract, to commence when this
Contract has been signed by both parties. Upon the commencement of this
Contract, the terms hereof shall supersede any and all prior Contracts between
CORPORATION and CONSULTANT.

- - 2. Upon the commencement of this Contract, CORPORATION shall compensate
CONSULTANT in the form of stock options permitting CONSULTANT to purchase eight
thousand (8,000) shares of common stock of CORPORATION at a price of ten dollars
($10.00) per share for consultant services performed during the period of
January 1, 1996 through December 31, 1996. For the period of January 1, 1997
through December 31, 1997, CORPORATION shall compensate CONSULTANT, for each
hour worked, with stock options to purchase ten (10) shares of common stock at a
price of twenty dollars ($20.00) per share. CONSULTANT shall submit time logs
each month to CORPORATION, detailing the number of hours worked and the nature
of the duties performed. The stock options cannot be exercised until a period of
two (2) years from the date of the options. The options shall expire five (5)
years after the date of the options. In the event this Contract is terminated,
CONSULTANT shall retain his right to hold the stock options earned as of the
termination date. CORPORATION and CONSULTANT hereby waive any and all
compensation rights and obligations which may have arisen to date or in the
future under any and all prior Contracts between CORPORATION and CONSULTANT, and
release and discharge each other from any and all past, present, and future
rights, obligations and claims relating thereto.

- - 3. CONSULTANT shall be provided office support to assist in the work to be
performed under this Consultant Contract by employees of Medi-Cen, Corp. of
Maryland and the law firm of Michael Carlos Buarque de Macedo working at 5301
Wisconsin Avenue, Suite 620, Washington, D.C. 20015.

- - 4. CORPORATION shall reimburse CONSULTANT for necessary and reasonable
expenses incurred during the course of the work to be performed under this
Consultant Contract. Any expense greater than two hundred dollars ($200.00) must
be pre-approved in writing by a Vice President of CORPORATION.

- - 5. CONSULTANT agrees to work to the best of his ability as a consultant of the
CORPORATION and shall perform certain specific duties as mutually agreed upon by
CONSULTANT and CORPORATION, including but not limited to the following:
attending Board Meetings as needed; developing and maintaining non-exclusive
contracts with insurance carriers; maintaining business development contacts
with local insurance carriers with whom relationships are being developed;
developing private label insurance product; and working with employee(s) in
charge of credentialling. This obligation is personal in nature and may not be
delegated by CONSULTANT.
<PAGE>

- - 6. The term of this Contract shall be from January 1, 1996 through December
31, 1997, unless terminated earlier pursuant to Paragraph 7 below.

- - 7. Either party may terminate this Contract for any reason at any time. In the
event of termination, CONSULTANT must leave all records at the office of
CORPORATION, and both parties agree that the records, contact and resource
lists, and any work product generated by, for or on behalf of CORPORATION are
particularly confidential, valuable and proprietary to CORPORATION.

- - 8. This Contract does not contain a Paragraph 8.

- - 9. This Contract does not contain a Paragraph 9.

- - 10. UNIT(S) or SHARES of stock in CORPORATION cannot be sold unless they are
registered under the Securities Act of 1933, as amended (the "ACT") (and the
securities laws of the state of residence, if applicable) or an exemption from
such registration is available. No UNITS or SHARES will be sold, assigned, or
otherwise transferred unless a registration statement under the ACT (and the
securities laws of the state of residence, if applicable) with respect thereto
is in effect, or the CORPORATION has received a written opinion of counsel
satisfactory to the CORPORATION that, after an investigation of the relevant
facts, which shall be recited in such opinion, such counsel is of the opinion
that such sale, assignment, or transfer does not involve a transaction requiring
registration thereof under the ACT (and the securities laws of the state of
residence, if applicable) governing resales of securities acquired from an
issuer thereof.

- - 11. All notices required or permitted under this Contract shall be in writing
and shall be deemed given when delivered in person or when sent via registered
or certified U.S. Mail, return receipt requested, or via facsimile transmission
to the addresses and parties set forth above, or to such other address of which
any party hereto may from time to time have been notified by the other in
compliance with the notice provisions hereof.

- - 12. This is the entire agreement between the parties and no other oral or
written representations have been made. This Contract cannot be amended except
by a writing, signed by both parties. This Contract shall not have binding
effect unless and until signed by both parties. This Contract may be signed and
executed in counterpart. The Contract is governed by Maryland law. Each party
shall notify the other party in writing of any address or name change. Each
provision of this Contract shall be enforced to the fullest extent allowed by
law. If any part of this Contract is deemed invalid, unenforceable, void, or
voidable under the governing law, then that part may be severed and the
remainder left to stand as if the part was not present.
<PAGE>

                                   SIGNATURES

The following signatures signify consent and agreement to the foregoing
CONSULTANT CONTRACT consisting of 12 Paragraphs between HEALTH QUALITY
MANAGEMENT, INC. and Francis J. Cronin.


/s/ Francis J. Cronin                                                4/9/97
- -----------------------------------------------------               --------
CONSULTANT  -  Francis J. Cronin                                      Date


                                                                     4/9/97
- -----------------------------------------------------               --------
For the CORPORATION - HEALTH QUALITY MANAGEMENT, INC.                 Date

<PAGE>

                            Stock Option Certificate

This stock option certificate provides that Francis J. Cronin is the registered
holder of an option to purchase eight thousand (8,000) shares of common stock in
HEALTH QUALITY MANAGMENT, INC., incorporated under the laws of the State of
Maryland in 1994, for a price of ten dollars ($10.00) per share.

This option may be exercised only after two (2) years from the date of this
option.

This option must be exercised within five (5) years of the date of this option,
after which time this option will expire. To exercise this option send this
option with a check to "HEALTH QUALITY MANAGEMENT, INC." for ten dollars
($10.00) per share to be purchased to HEALTH QUALITY MANAGEMENT, INC., 5110
Ridgefield Rd, Suite 212, Bethesda, MD, 20815.

The security evidenced by this certificate has not been registered under the
Securities and Exchange Act of 1933, or any applicable state law, and no
interest therein may be sold, distributed, assigned, offered, pledged, or
otherwise transferred unless (a) there is an effective registration statement
under such Act and applicable state securities laws covering any such
transaction involving said securities, or (b) this corporation receives an
opinion of legal counsel for the holder of these securities (concurred in by
legal counsel for this corporation) stating that such transaction is exempt from
registration, or this corporation otherwise satisfies itself that that such
transaction is exempt from registration.

Unless this Option has been executed by manual signature, this Option shall not
be entitled to any benefit, or be valid or obligatory for any purpose.

IN WITNESS WHEREOF, the Company has caused this Option to be duly executed under
its corporate seal.

Dated: 
      -------------

                         HEALTH QUALITY MANAGEMENT, INC.

                      By:
                         ---------------------------------
                             Chief Executive Officer

Attest:
         -----------------------------
                Secretary


<PAGE>

                         ADDENDUM TO CONSULTING CONTRACT

         THIS ADDENDUM TO CONSULTING  CONTRACT (this "Addendum") dated this 30th
day of December,  1997 is by and between  MEDI-CEN  MANAGEMENT,  INC.  (formerly
known as Health Quality Management,  Inc.)("Corporation")  and FRANCIS J. CRONIN
("Employee")

                             Introductory Statement

         Pursuant  to the  Consulting  Contract  dated  April  9,  1997  between
Employee and Corporation (the "Employment Agreement"), Employee agreed to render
certain services to the  Corporation.  The parties wish to clarify and amend the
terms of the Employment Agreement as set forth herein.

         NOW, THEREFORE,  WITNESSETH, for and in consideration of the sum of Ten
Dollars  ($10.00)  the  receipt of which is hereby  acknowledged  and the mutual
covenants contained herein, the parties do hereby agreed to amend the Employment
Agreement as follows:

         1. Lock-Up  Agreement.  The parties agree to execute a lockup agreement
(Lockup  Agreement)  in the event the Company  elects to make an Initial  Public
Offering  (IPO) at any time within two (2) years of the date of this Addendum in
the form provided by the underwriter of such public offering, provided that such
lock-up agreement shall be substantially the same form executed by all officers,
directors and principal  stockholders of the Corporation.  In the event Employee
shall fail to execute such Lockup Agreement,  within five (5) days after request
for same by Corporation, Employee does hereby appoint any officer of the Company
as the  attorney-in-fact to execution such agreement on its behalf. The power of
attorney granted herein shall be irrevocable and coupled with an interest.

         2. Stock Options.  Pursuant to Section 2 of the  Employment  Agreement,
Corporation granted to Employee options to purchase 8,000 shares of Common Stock
of  Corporation  at a price of Ten  Dollars  ($10.00)  per  share  for  services
performed in 1996. In addition,  The parties intended that as of the date of the
Employment  Agreement,  Corporation  granted options to purchase 5,000 shares of
common stock of  Corporation  which would vest and be  exercisable at a price of
Twenty Dollars ($20.00) per share in

                                        1

<PAGE>


accordance with the terms of the Employment Agreement.  During the 1997 calendar
year,  Employee has worked 359 hours in 1997 and accordingly options to purchase
an  additional  3,590 shares of stock of  Corporation  have vested.  The parties
hereto agree that all options  granted  pursuant to the terms of the  Employment
Agreement  which have not vested by  December  31,  1997 shall  lapse as of such
date. The options are intended by Corporation  and Employee to be exercisable at
an exercise  price that equals or is greater  than the fair market  value of the
common  stock of  Corporation  at the time of  grant.  The  exercise  price  was
determined  by the Board of  Directors  of  Corporation  based upon a variety of
factors that it deemed to be relevant in making such a  determination.  If it is
determined at a later date that in fact the exercise price is less than the fair
market  value of the common  stock at the time of the grant,  then the  exercise
price  shall be  adjusted as of the date of grant of the options to a price that
equals the fair market value of the common stock as of the date of grant.

         3. Employee.  Employee and Corporation  desire to clarify that Employee
is an employee of Corporation and not an independent contractor.

         4. Full Force and Effect.  Except as provided  herein,  the  Employment
Agreement shall remain in full force and effect.

         IN WITNESS  WHEREOF,  the parties hereto have executed this Addendum as
of the date first above written.

WITNESS:                                     MEDI-CEN MANAGEMENT, INC.


___________________________                  By:________________________________
                                             Name:______________________________
                                             Title:_____________________________


- --------------------------                   -----------------------------------
                                             Francis J. Cronin

                                        2






                             BILLING AGENT AGREEMENT
                               (Medicare/Medicaid)


     This  Agreement is made as of the 11th day of March,  1998 (the  "Effective
Date") by and between MEDI-CEN  MANAGEMENT,  INC., a Maryland corporation having
its principal  place of business at 5530  Wisconsin  Avenue,  Suite 1248,  Chevy
Chase, Maryland ("Billing Agent") and WASHINGTON NEUROLOGY ASSOCIATES, L.L.P., a
Maryland limited liability partnership,  having its principal place of operation
at  5530  Wisconsin  Avenue;  Suite  1248,  Chevy  Chase,  Maryland  20815  (the
"Partnership").

     WHEREAS,  the  Partnership  requires  billing and  collection  services for
Medicare/Medicaid  services  provided  by its  employed  physicians  ("Physician
Employees") and employed nonphysician licensed  practitioners who practice in an
extended role and generate  professional  charges for their services ("Physician
Extenders") and,

     WHEREAS,   Billing  Agent  provides  billing  and  collection  services  to
physicians and physician group practices.

     NOW,  THEREFORE,  in  consideration  of the mutual  covenants  and promises
herein contained, the parties hereby agree as follows:


A.   Obligations of Billing Agent.

     1.   Billing  Agent  shall  bill and  collect  for  Medicare  and  Medicaid
          services  provided by the Partnership and its Physician  Employees and
          Physician  Extenders  as agent for the  Partnership.  Claims  for such
          services shall be prepared in the name and under the provider  numbers
          of  the  Partnership.  The  Partnership  hereby  irrevocably  appoints
          Billing  Agent as its agent and  attorney-in-fact  to bill and collect
          payments for such  services.  All of the payments with respect to such
          services shall be made by check (or electronic funds transfer) payable
          to the  Partnership  and shall be deposited into a bank account of the
          practice  of the  Partnership  (the  "Practice  Account")  with a bank
          mutually  agreed upon by the parties and whose deposits are insured by
          the FDIC (the "Account Bank").  Withdrawals from such Practice Account
          by Billing Agent shall  require the joint  signatures of an authorized
          agent of the Partnership and an authorized agent of Billing Agent.

     2.   The  Partnership and its Physician  Employees and Physician  Extenders
          hereby  authorize  Billing Agent to initiate legal  proceedings in the
          name of the Partnership to collect any accounts and monies owed to the
          Partnership  or its  Physician  Employees  or  Physician  Extenders to
          enforce the rights of the Partnership and its Physician  Employees and
          Physician  Extenders as creditors  under any contract or in connection
          with  the  rendering  of  any  service   hereunder,   and  to  contest
          adjustments  and denials by Medicare or Medicaid (or their carriers or
          fiscal intermediaries).


<PAGE>


B.   Compensation to the  Partnership;  Billing Agent Fees. On a bi-weekly basis
     during the term of this Agreement,  the Partnership shall pay Billing Agent
     a Billing Agent Fee equal to the actual direct cost to the Billing Agent of
     billing  and  collecting  Medicare  and  Medicaid  claims  on behalf of the
     Partnership  during said two week period.  For claims  submitted during the
     immediately  preceding two week period,  the Billing Agent shall be paid by
     the  Partnership not more than ten (10) days after the end of such two week
     period.

C.   Term.

     1.   Term of Agreement.  This  Agreement  shall commence on the date hereof
          and  shall  expire on the  thirtieth  (30th)  anniversary  of the date
          hereof  unless  sooner  terminated  pursuant  to  the  terms  of  this
          Agreement.

     2.   Extended  Term.  Unless  sooner  terminated  as  provided  for in this
          Agreement,  the term of this Agreement shall be automatically extended
          for  additional  terms of five  (5)  years  each,  unless  either  the
          Partnership or Billing Agent delivers to the other,  not less than six
          (6) months prior to the expiration of the initial or extended term, as
          applicable, written notice of such party's intention not to extend the
          term of this Agreement.

     3.   Termination  By  Partnership.   The  Partnership  may  terminate  this
          Agreement upon ninety (90) days' prior written notice to Billing Agent
          in the event of a  material  breach by Billing  Agent of any  material
          term or  condition  hereof,  if such  breach is not cured  within that
          ninety (90) day notice period;  provided that a majority of the owners
          of the  Partnership  affirmatively  vote in favor of terminating  this
          Agreement.

     4.   Termination By Billing Agent - Partnership  Breach.  Billing Agent may
          terminate  this  Agreement upon ninety (90) days' prior written notice
          to  the  Partnership  in  the  event  of  a  material  breach  by  the
          Partnership of any material term or condition  hereof,  if such breach
          is not cured within that ninety (90) day notice period.

     5.   Mutual Termination  Rights.  Either party may terminate this Agreement
          immediately if the other party: (i) makes a general assignment for the
          benefit  of  creditors;   (ii)  files  a  voluntary  petition  or  the
          commencement  of any proceeding for any relief under any bankruptcy or
          insolvency  laws,  or any laws  relating  to the  relief  of  debtors,
          readjustment   or   indebtedness,   reorganization,   composition   or
          extension;   (iii)  files  any   involuntary   petition  with  or  the
          commencement of any proceeding by or against such party for any relief
          under any  bankruptcy or insolvency  laws, or any laws relating to the
          relief of debtors,  readjustment of indebtedness,  reorganization,  or
          composition,  which  petition or proceeding  is not  dismissed  within
          ninety  (90)  days of the date on which it is filed or  commenced;  or
          (iv) suspends the  transaction of the usual business of such party for
          a period in excess of thirty (30) days.  In addition to the  foregoing
          bases for termination, this Agreement shall automatically terminate in
          the event the Management Agreement between the parties dated as of the
          date hereof shall terminate.

                                       2

<PAGE>


     6.   Termination Upon Legal Prohibition of Relationship. If, in the opinion
          (the "Opinion") of nationally  recognized  health care counsel jointly
          selected by the parties,  it is determined that it is more likely than
          not that  applicable  legislation,  regulations,  rules or  procedures
          (collectively  referred  to  herein as a "Law") in effect or to become
          effective as of a date certain, or if Billing Agent or the Partnership
          receives  notice (the  "Notice") of an actual or threatened  decision,
          finding  or  action by any  governmental  or  private  agency or court
          (collectively referred to herein as an "Action"), which Law or Action,
          if or when  implemented,  would have the effect of  subjecting  either
          party to civil or  criminal  prosecution  under state  and/or  federal
          laws,  or other  material  adverse  proceeding  on the  basis of their
          participation  herein,  then Billing  Agent or the  Partnership  shall
          provide such Opinion or Notice to the other party.  The parties  shall
          attempt in good faith to amend this  Agreement  to the minimum  extent
          necessary in order to comply with such Law or to avoid the Action,  as
          applicable, and shall utilize mutually agreed upon joint legal counsel
          to the extent  practicable.  If,  within ninety (90) days of providing
          written notice of such Opinion or such Notice to the other party,  the
          parties  hereto acting in good faith are unable to mutually agree upon
          and make  amendments  or  alterations  to this  Agreement  to meet the
          requirements  in  question,  or  alternatively,  the parties  mutually
          determine  in good faith that  compliance  with such  requirements  is
          impossible  or  unfeasible,  then this  Agreement  shall be terminated
          without  penalty,  charge or continuing  liability upon the earlier of
          the  following:  the date which is one hundred  and eighty  (180) days
          subsequent  to the date upon which any party gives  written  notice to
          the other party,  or the  effective  date upon which the Law or Action
          prohibits the relationship of the parties pursuant to this Agreement.

     7.   Obligations After Termination.  Except as otherwise provided herein or
          in any amendment  hereto,  following the effective date of termination
          of this  Agreement,  both  Billing  Agent  and the  Partnership  shall
          cooperate in the final  reconciliation  of fees owed hereunder,  which
          shall be calculated by Billing Agent no less than six (6) months after
          termination of this Agreement.  In addition,  upon termination of this
          Agreement,  Billing  Agent  shall  turn  over  to the  Partnership  on
          diskette or in such other format as the Partnership shall request, all
          of the Partnership's  data, records and information in Billing Agent's
          possession,  and, at the Partnership's  option, either (a) immediately
          cease billing and collection  services  hereunder,  or (b) continue to
          use best efforts to collect for  services  billed prior to the date of
          termination of this Agreement.

D.   Reasonable  Compensation.  The  fees  paid  and  payable  hereunder  by the
     Partnership  to Billing Agent have been  determined by the parties  through
     good-faith  and arm's  length  bargaining.  No  amount  paid  hereunder  is
     intended to be, nor shall be  construed  as, an  inducement  or payment for
     referral of or  recommending  referral of,  patients by the  Partnership to
     Billing Agent (or its  affiliates) or by Billing Agent (or its  affiliates)
     to the Partnership.  In addition, the fees charged hereunder do not include
     any discount,  rebate,  kickback or other reduction in charge, and the fees
     charged  hereunder  are not intended to be, nor shall they be construed as,
     an inducement or payment for referral,  or recommendation  of referral,  of
     patients by the  Partnership  to Billing  Agent (or its  affiliates)  or by
     Billing Agent (or its affiliates) to the  Partnership.  The sole purpose of
     the  payments to Billing  Agent  hereunder  is to pay fair market value for
     services actually rendered by Billing Agent to the Partnership hereunder.

                                       3

<PAGE>

E.   Confidential   Information.   This   Agreement   and  its  terms  shall  be
     confidential,  and at no time  during  or  after  the  termination  of this
     Agreement,   except  as  may  be  otherwise  required  by  law  shall,  the
     Partnership,  its employees,  independent contractors,  or owners disclose,
     communicate or divulge to, or use for the direct or indirect benefit of any
     person,  firm,  association or company any information  regarding the terms
     and conditions of this  Agreement,  business  methods,  business  policies,
     procedures,  techniques,  or trade secrets, or other knowledge or processes
     of or developed by the Billing Agent, or any other confidential information
     relating to or dealing with the business  operations  or  activities of the
     Billing  Agent,  made  known  to  the  Partnership,  its  employees  or its
     shareholders  or learned or acquired by the  Partnership,  its employees or
     owners  during  the  term  of  this  Agreement,   (collectively,   "Company
     Information"),  except as may be expressly  authorized by the Billing Agent
     or any successor to it. Immediately upon the termination of this Agreement,
     the Partnership and/or the applicable shareholder,  employee or independent
     contractor,  or other key employee or independent  contractor shall deliver
     to the  Billing  Agent  all  documents,  computer  disks or other  forms of
     recorded  information,  including all copies  thereof,  containing  Company
     Information.

F.   Entire  Agreement.  This  Agreement  constitutes  the entire  understanding
     relating to the subject matter hereof between the parties.

G.   Amendment.  This  Agreement  shall not be modified  or amended  except by a
     written document executed by both parties to this Agreement.

H.   Access of the  Government to Records.  To the extent that the provisions of
     Section   1861(c)(1)(I)   of   the   Social   Security   Act   [42   U.S.C.
     ss.1395x(c)(l)(I)]  are applicable to this Agreement,  the parties agree to
     make available, upon the written request of the Secretary of the Department
     of  Health  and  Human  Services  or upon the  request  of the  Comptroller
     General, or any of their duly authorized  representatives,  this Agreement,
     and other books,  records and  documents  that are necessary to certify the
     nature and extent of costs  incurred by them for services  furnished  under
     this Agreement.  The obligations  hereunder shall extend for four (4) years
     after  furnishing of such services.  The parties shall notify each other of
     any such request for records.

I.   Governing Law. This agreement  shall be subject to and governed by the laws
     of the State of Maryland.

J.   Notice. Any notice or other communication  required by this Agreement to be
     in writing shall be deemed to have been received by the person or entity to
     whom it is  addressed  two (2)  business  days after it is deposited in the
     United States mail,  postage  prepaid,  and  addressed as follows:

         Billing Agent:    Medi-Cen Management, Inc.
                           5530 Wisconsin Avenue, Suite 1248
                           Chevy Chase, MD 20815
                           Attention: Harrison Jett

                                       4

<PAGE>


         The Partnership:  Washington Neurology Associates, L.L.P.
                           5530 Wisconsin Avenue, Suite 1248
                           Chevy Chase, MD 20815

K.   Severability;  Reformation.  In case any one or more of the  provisions  or
     parts of a provision  contained in this Agreement shall, for any reason, be
     held  to  be  invalid,  illegal  or  unenforceable  in  any  respect,  such
     invalidity,  illegality  or  unenforceability  shall not  affect  any other
     provision  or part of a provision  of this  Agreement;  and this  Agreement
     shall,  to the fullest extent lawful,  be reformed and construed as if such
     invalid or illegal or unenforceable  provision, or part of a provision, had
     never been contained herein, and such provision or part reformed so that it
     would be valid,  legal and  enforceable  to the  maximum  extent  possible.
     Without  limiting the  foregoing,  if any  provision (or part of provision)
     contained in this Agreement  shall for any reason be held to be excessively
     broad as to duration,  geographical scope, activity or subject, it shall be
     construed  by limiting  and  reducing  it, so as to be  enforceable  to the
     fullest extent compatible with then existing applicable law.

L.   Assignment.  Except as otherwise provided in this paragraph, this Agreement
     is not transferable or assignable by either party without the prior written
     consent of the other  party;  provided  that  Billing  Agent may assign its
     rights and obligations under the Agreement to any entity that controls,  is
     controlled  by, or is under  common  control with  Billing  Agent,  or is a
     successor to Billing Agent by merger, consolidation, reorganization or sale
     of all or substantially all of its assets.

     IN WITNESS WHEREOF,  the parties have caused this agreement to be signed by
a duly authorized person the day and year first above written.


                                             MEDI-CEN MANAGEMENT, INC.
                                             /s/ Harrison Jett
                                             -----------------------------------
                                          By: CFO
                                             -----------------------------------


                                             WASHINGTON NEUROLOGY ASSOCIATES,
                                               L.L.P.
                                             /s/ P. Steven Macedo
                                             -----------------------------------
                                          By: President
                                             -----------------------------------



                                       5




                            STOCK PURCHASE AGREEMENT

     THIS STOCK PURCHASE  AGREEMENT  (this  "Agreement")  dated this 11th day of
March,  1998 and  effective  January 22, 1998 is by and  between  YATER  MEDICAL
GROUP, P.C. ("Purchaser") and MICHAEL MACEDO ("Seller").

                              Explanatory Statement

     Purchaser has agreed to acquire from Seller,  and Seller has agreed to sell
to  Purchaser,  one  hundred  fifty  (150)  shares of Common  Stock of  Medi-Cen
Management,  Inc.  ("MMI") on a weekly basis at a price of $30.00 per share upon
the terms and conditions provided herein.

     NOW, THEREFORE, in consideration of the Explanatory Statement,  which shall
constitute  a  substantive  part of this  Agreement,  and the mutual  covenants,
promises,  agreements,  representations  and warranties  hereinafter  set forth.
Purchaser and Seller do hereby covenant,  promise,  agree, represent and warrant
as follows:

     1. Purchase of Shares.

          a.  Commencing  on January 22,  1998 and  continuing  on every  Friday
     thereafter until the effective date of the Initial Public Offering of stock
     of MMI,  Seller shall sell to Purchaser  one hundred  fifty (150) shares of
     Common Stock of MMI at a price of $30.00 per share for an aggregate  weekly
     purchase price of Four Thousand Five Hundred Dollars ($4,500.00).

          b. Garcia  Financial  Group shall be entitled to a five  percent  (5%)
     commission  upon  the  consummation  of each  sale of stock  by  Seller  to
     Purchaser.

          c. The weekly purchase price shall be paid by Purchaser as follows:

               1. Four  Thousand Two Hundred  Seventy-Five  Dollars  ($4,275.00)
          shall be paid by check from Purchaser to Seller; and

               2. Two Hundred  Twenty-Five  Dollars  ($225.00)  shall be paid by
          Purchaser to Garcia Financial  Group,  representing the commission due
          from Seller as a result of such sale.

                                        1

<PAGE>


     2. Representations and Warranties of Seller. Seller represents and warrants
to Purchaser that Seller is the sole and exclusive  record and beneficial  owner
of the shares of stock of MMI being sold hereunder.  Seller  possesses and holds
marketable title to such shares,  and owns such shares free and clear of any and
all security interests,  agreements,  restrictions,  claims,  liens, pledges and
encumbrances  of any  nature  or kind,  except  those  previously  disclosed  to
Purchaser.  Seller has the absolute  and  unconditional  right to sell,  assign,
transfer and deliver such shares to  Purchaser in  accordance  with the terms of
this Agreement.


     3.  Representations and Warranties of Purchaser.  Purchaser  represents and
warrants to Seller as follows:

          a.  Purchaser is and all times during the term of this  Agreement will
     be, a corporation  duly  organized,  validly  existing and in good standing
     under the laws of the District of Columbia.

          b. Purchaser has the power and authority to execute,  seal and deliver
     this Agreement,  to consummate the transactions  hereby contemplated and to
     take  all  other  actions  required  to be  taken  by it  pursuant  to  the
     provisions  hereof.  This  Agreement is valid and binding upon Purchaser in
     accordance with its terms.

          c. The shares of stock of MMI being acquired by Purchaser  pursuant to
     this  Agreement are being  acquired by Purchaser for investment for its own
     account  and not with a view to,  or for the offer for sale or for the sale
     in connection  with,  any  distribution  thereof.  Purchaser  covenants and
     agrees that  Purchaser  shall not sell,  assign or  otherwise  transfer the
     shares  other  than  in  transactions  which  are not in  violation  of the
     Securities Act of 1933 and applicable  State's  Securities Laws. Each stock
     certificate of MMI representing  the shares shall bear a restrictive  stock
     legend  indicating  that such  shares  shall not be sold in the  absence of
     compliance with applicable Securities Laws.

     4.  Adjustments  for Changes of Number of Shares of MMI Common  Stock.  The
number of  shares of Common  Stock of MMI  subject  to this  Agreement  shall be
appropriately  adjusted in the event of a stock  dividend,  stock split or other
increase or decrease  in the number of issued and  outstanding  shares of Common
Stock of MMI resulting

                                        2

<PAGE>



from  subdivision of  consolidation  of the Common Stock of MMI or other capital
adjustment  effected  without  receipt of  consideration  by MMI. The $30.00 per
share  purchase  price for  Common  Stock of MMI shall  also be  correspondingly
adjusted so that the aggregate  purchase  price due upon any weekly  purchase of
stock from Seller shall remain Four Thousand Five Hundred Dollars ($4,500.00).

     5. Miscellaneous.

          a. Each of the parties hereto,  at no cost to the  cooperating  party,
     will  execute,   acknowledge   and  deliver,   or  cause  to  be  executed,
     acknowledged  and delivered from time to time, such additional  instruments
     and documents as may be reasonably requested by the other party in order to
     consummate, effectuate, confirm or ratify the sale of stock contemplated by
     this Agreement.

          b. This Agreement shall be governed by,  construed and enforced in all
     respects in accordance with the laws of the State of Maryland.

          c. This Agreement contains the full, complete and entire understanding
     between  the  parties  hereto.  This  Agreement  may be amended  only by an
     instrument  in  writing  executed,  sealed  and  delivered  by  Seller  and
     Purchaser.

          d. This Agreement may be executed  simultaneously  or in counterparts,
     each of which  shall be deemed to be an  original,  but both of which shall
     constitute one in the same instrument.

          d. This  Agreement  shall be binding  upon and inure to the benefit of
     the parties hereto and their respective legal  representatives,  successors
     and assigns.

     IN WITNESS  WHEREOF,  the parties have executed,  sealed and delivered this
Agreement the day and year first above written.


WITNESS:                                     PURCHASER:
                                             YATER MEDICAL GROUP, P.C.

                                             By: /s/P. Steven Macedo, MD  (SEAL)
- --------------------------                      --------------------------
                                             Name: P. Steven Macedo
                                                  ------------------------
                                             Title: President
                                                   -----------------------

                                        3

<PAGE>



                                             SELLER:
                                             /s/ Michael Macedo
- ----------------------------                 -----------------------------(SEAL)
                                             Michael Macedo

                                        4





                            STOCK PURCHASE AGREEMENT

     THIS STOCK PURCHASE  AGREEMENT  (this  "Agreement")  dated this 11th day of
March,  1998 and  effective  January 22, 1998 is by and  between  YATER  MEDICAL
GROUP, P.C. ("Purchaser") and P. STEVEN MACEDO ("Seller").

                              Explanatory Statement

     Purchaser has agreed to acquire from Seller,  and Seller has agreed to sell
to  Purchaser,  one  hundred  fifty  (150)  shares of Common  Stock of  Medi-Cen
Management,  Inc.  ("MMI") on a weekly basis at a price of $30.00 per share upon
the terms and conditions provided herein.

     NOW, THEREFORE, in consideration of the Explanatory Statement,  which shall
constitute  a  substantive  part of this  Agreement,  and the mutual  covenants,
promises,  agreements,  representations  and warranties  hereinafter  set forth.
Purchaser and Seller do hereby covenant,  promise,  agree, represent and warrant
as follows:

     1. Purchase of Shares.

          a.  Commencing  on January 22,  1998 and  continuing  on every  Friday
     thereafter until the effective date of the Initial Public Offering of stock
     of MMI,  Seller shall sell to Purchaser  one hundred  fifty (150) shares of
     Common Stock of MMI at a price of $30.00 per share for an aggregate  weekly
     purchase price of Four Thousand Five Hundred Dollars ($4,500.00).

          b. Garcia  Financial  Group shall be entitled to a five  percent  (5%)
     commission  upon  the  consummation  of each  sale of stock  by  Seller  to
     Purchaser.

          c. The weekly purchase price shall be paid by Purchaser as follows:

               1. Four  Thousand Two Hundred  Seventy-Five  Dollars  ($4,275.00)
          shall be paid by check from Purchaser to Seller; and

               2. Two Hundred  Twenty-Five  Dollars  ($225.00)  shall be paid by
          Purchaser to Garcia Financial  Group,  representing the commission due
          from Seller as a result of such sale.

                                        1

<PAGE>


     2. Representations and Warranties of Seller. Seller represents and warrants
to Purchaser that Seller is the sole and exclusive  record and beneficial  owner
of the shares of stock of MMI being sold hereunder.  Seller  possesses and holds
marketable title to such shares,  and owns such shares free and clear of any and
all security interests,  agreements,  restrictions,  claims,  liens, pledges and
encumbrances  of any  nature  or kind,  except  those  previously  disclosed  to
Purchaser.  Seller has the absolute  and  unconditional  right to sell,  assign,
transfer and deliver such shares to  Purchaser in  accordance  with the terms of
this Agreement.


     3.  Representations and Warranties of Purchaser.  Purchaser  represents and
warrants to Seller as follows:

          a.  Purchaser is and all times during the term of this  Agreement will
     be, a corporation  duly  organized,  validly  existing and in good standing
     under the laws of the District of Columbia.

          b. Purchaser has the power and authority to execute,  seal and deliver
     this Agreement,  to consummate the transactions  hereby contemplated and to
     take  all  other  actions  required  to be  taken  by it  pursuant  to  the
     provisions  hereof.  This  Agreement is valid and binding upon Purchaser in
     accordance with its terms.

          c. The shares of stock of MMI being acquired by Purchaser  pursuant to
     this  Agreement are being  acquired by Purchaser for investment for its own
     account  and not with a view to,  or for the offer for sale or for the sale
     in connection  with,  any  distribution  thereof.  Purchaser  covenants and
     agrees that  Purchaser  shall not sell,  assign or  otherwise  transfer the
     shares  other  than  in  transactions  which  are not in  violation  of the
     Securities Act of 1933 and applicable  State's  Securities Laws. Each stock
     certificate of MMI representing  the shares shall bear a restrictive  stock
     legend  indicating  that such  shares  shall not be sold in the  absence of
     compliance with applicable Securities Laws.

     4.  Adjustments  for Changes of Number of Shares of MMI Common  Stock.  The
number of  shares of Common  Stock of MMI  subject  to this  Agreement  shall be
appropriately  adjusted in the event of a stock  dividend,  stock split or other
increase or decrease  in the number of issued and  outstanding  shares of Common
Stock of MMI resulting

                                        2

<PAGE>


from  subdivision of  consolidation  of the Common Stock of MMI or other capital
adjustment  effected  without  receipt of  consideration  by MMI. The $30.00 per
share  purchase  price for  Common  Stock of MMI shall  also be  correspondingly
adjusted so that the aggregate  purchase  price due upon any weekly  purchase of
stock from Seller shall remain Four Thousand Five Hundred Dollars ($4,500.00).

     5. Miscellaneous.

          a. Each of the parties hereto,  at no cost to the  cooperating  party,
     will  execute,   acknowledge   and  deliver,   or  cause  to  be  executed,
     acknowledged  and delivered from time to time, such additional  instruments
     and documents as may be reasonably requested by the other party in order to
     consummate, effectuate, confirm or ratify the sale of stock contemplated by
     this Agreement.

          b. This Agreement shall be governed by,  construed and enforced in all
     respects in accordance with the laws of the State of Maryland.

          c. This Agreement contains the full, complete and entire understanding
     between  the  parties  hereto.  This  Agreement  may be amended  only by an
     instrument  in  writing  executed,  sealed  and  delivered  by  Seller  and
     Purchaser.

          d. This Agreement may be executed  simultaneously  or in counterparts,
     each of which  shall be deemed to be an  original,  but both of which shall
     constitute one in the same instrument.

          d. This  Agreement  shall be binding  upon and inure to the benefit of
     the parties hereto and their respective legal  representatives,  successors
     and assigns.

     IN WITNESS  WHEREOF,  the parties have executed,  sealed and delivered this
Agreement the day and year first above written.


WITNESS:                                     PURCHASER:
                                             YATER MEDICAL GROUP, P.C.

                                             By: /s/ Ilene S. Macedo      (SEAL)
- --------------------------                      --------------------------
                                             Name: Ilene S. Macedo 
                                                  ------------------------
                                             Title:Vice President and Secretary
                                                   -----------------------

                                        3

<PAGE>



                                             SELLER:
                                             /s/ P. Steven Macedo
- ----------------------------                 -----------------------------(SEAL)
                                             P. Steven Macedo

                                        4





                             BILLING AGENT AGREEMENT
                               (Medicare/Medicaid)


     This  Agreement is made as of the 11th day of March,  1998 (the  "Effective
Date") by and between MEDI-CEN  MANAGEMENT,  INC., a Maryland corporation having
its principal  place of business at 5530  Wisconsin  Avenue,  Suite 1248,  Chevy
Chase,  Maryland  ("Billing Agent") and YATER MEDICAL GROUP, P.C., a District of
Columbia  professional  corporation,  having its principal place of operation at
1780 Massachusetts Avenue, N.W., Washington, D.C. (the "P.C.").

     WHEREAS,   the  P.C.   requires   billing  and   collection   services  for
Medicare/Medicaid  services  provided  by its  employed  physicians  ("Physician
Employees") and employed nonphysician licensed  practitioners who practice in an
extended role and generate  professional  charges for their services ("Physician
Extenders") and,

     WHEREAS,   Billing  Agent  provides  billing  and  collection  services  to
physicians and physician group practices.

     NOW,  THEREFORE,  in  consideration  of the mutual  covenants  and promises
herein contained, the parties hereby agree as follows:


A.   Obligations of Billing Agent.

     1.   Billing  Agent  shall  bill and  collect  for  Medicare  and  Medicaid
          services  provided  by  the  P.C.  and  its  Physician  Employees  and
          Physician  Extenders  as agent for the P.C.  Claims for such  services
          shall be  prepared in the name and under the  provider  numbers of the
          P.C. The P.C. hereby  irrevocably  appoints Billing Agent as its agent
          and  attorney-in-fact  to bill and collect payments for such services.
          All of the  payments  with respect to such  services  shall be made by
          check (or electronic funds transfer)  payable to the P.C. and shall be
          deposited  into a  bank  account  of the  practice  of the  P.C.  (the
          "Practice  Account")  with a bank mutually  agreed upon by the parties
          and whose  deposits  are  insured  by the FDIC (the  "Account  Bank").
          Withdrawals  from such Practice Account by Billing Agent shall require
          the  joint  signatures  of an  authorized  agent  of the  P.C.  and an
          authorized agent of Billing Agent.

     2.   The P.C. and its Physician  Employees and Physician  Extenders  hereby
          authorize  Billing Agent to initiate legal  proceedings in the name of
          the P.C.  to collect any  accounts  and monies owed to the P.C. or its
          Physician  Employees or  Physician  Extenders to enforce the rights of
          the P.C.  and its  Physician  Employees  and  Physician  Extenders  as
          creditors  under any contract or in  connection  with the rendering of
          any  service  hereunder,  and to contest  adjustments  and  denials by
          Medicare or Medicaid (or their carriers or fiscal intermediaries).

<PAGE>

B.   Compensation  to the P.C.;  Billing Agent Fees. On a bi-weekly basis during
     the term of this  Agreement,  the P.C.  shall pay  Billing  Agent a Billing
     Agent Fee equal to the actual  direct cost to the Billing  Agent of billing
     and collecting  Medicare and Medicaid  claims on behalf of the P.C.  during
     said two week period. For claims submitted during the immediately preceding
     two week period,  the Billing Agent shall be paid by the P.C. not more than
     ten (10) days after the end of such two week period.

C.   Term.

     1.   Term of Agreement.  This  Agreement  shall commence on the date hereof
          and  shall  expire on the  thirtieth  (30th)  anniversary  of the date
          hereof  unless  sooner  terminated  pursuant  to  the  terms  of  this
          Agreement.

     2.   Extended  Term.  Unless  sooner  terminated  as  provided  for in this
          Agreement,  the term of this Agreement shall be automatically extended
          for additional terms of five (5) years each, unless either the P.C. or
          Billing  Agent  delivers  to the  other,  not less than six (6) months
          prior  to  the   expiration  of  the  initial  or  extended  term,  as
          applicable, written notice of such party's intention not to extend the
          term of this Agreement.

     3.   Termination  By P.C. The P.C. may terminate this Agreement upon ninety
          (90) days'  prior  written  notice to Billing  Agent in the event of a
          material  breach by Billing  Agent of any  material  term or condition
          hereof, if such breach is not cured within that ninety (90) day notice
          period;   provided   that  a  majority  of  the  owners  of  the  P.C.
          affirmatively vote in favor of terminating this Agreement.

     4.   Termination  By  Billing  Agent  -  P.C.  Breach.  Billing  Agent  may
          terminate  this  Agreement upon ninety (90) days' prior written notice
          to the P.C.  in the  event of a  material  breach  by the P.C.  of any
          material term or condition  hereof, if such breach is not cured within
          that ninety (90) day notice period.

     5.   Mutual Termination  Rights.  Either party may terminate this Agreement
          immediately if the other party: (i) makes a general assignment for the
          benefit  of  creditors;   (ii)  files  a  voluntary  petition  or  the
          commencement  of any proceeding for any relief under any bankruptcy or
          insolvency  laws,  or any laws  relating  to the  relief  of  debtors,
          readjustment   or   indebtedness,   reorganization,   composition   or
          extension;   (iii)  files  any   involuntary   petition  with  or  the
          commencement of any proceeding by or against such party for any relief
          under any  bankruptcy or insolvency  laws, or any laws relating to the
          relief of debtors,  readjustment of indebtedness,  reorganization,  or
          composition,  which  petition or proceeding  is not  dismissed  within
          ninety  (90)  days of the date on which it is filed or  commenced;  or
          (iv) suspends the  transaction of the usual business of such party for
          a period in excess of thirty (30) days.  In addition to the  foregoing
          bases for termination, this Agreement shall automatically terminate in
          the event the Management Agreement between the parties dated as of the
          date hereof shall terminate.


                                       2

<PAGE>

     6.   Termination Upon Legal Prohibition of Relationship. If, in the opinion
          (the "Opinion") of nationally  recognized  health care counsel jointly
          selected by the parties,  it is determined that it is more likely than
          not that  applicable  legislation,  regulations,  rules or  procedures
          (collectively  referred  to  herein as a "Law") in effect or to become
          effective  as of a date  certain,  or if  Billing  Agent  or the  P.C.
          receives  notice (the  "Notice") of an actual or threatened  decision,
          finding  or  action by any  governmental  or  private  agency or court
          (collectively referred to herein as an "Action"), which Law or Action,
          if or when  implemented,  would have the effect of  subjecting  either
          party to civil or  criminal  prosecution  under state  and/or  federal
          laws,  or other  material  adverse  proceeding  on the  basis of their
          participation  herein,  then Billing  Agent or the P.C.  shall provide
          such Opinion or Notice to the other party.  The parties  shall attempt
          in good faith to amend this Agreement to the minimum extent  necessary
          in  order  to  comply  with  such  Law  or to  avoid  the  Action,  as
          applicable, and shall utilize mutually agreed upon joint legal counsel
          to the extent  practicable.  If,  within ninety (90) days of providing
          written notice of such Opinion or such Notice to the other party,  the
          parties  hereto acting in good faith are unable to mutually agree upon
          and make  amendments  or  alterations  to this  Agreement  to meet the
          requirements  in  question,  or  alternatively,  the parties  mutually
          determine  in good faith that  compliance  with such  requirements  is
          impossible  or  unfeasible,  then this  Agreement  shall be terminated
          without  penalty,  charge or continuing  liability upon the earlier of
          the  following:  the date which is one hundred  and eighty  (180) days
          subsequent  to the date upon which any party gives  written  notice to
          the other party,  or the  effective  date upon which the Law or Action
          prohibits the relationship of the parties pursuant to this Agreement.

     7.   Obligations After Termination.  Except as otherwise provided herein or
          in any amendment  hereto,  following the effective date of termination
          of this Agreement,  both Billing Agent and the P.C. shall cooperate in
          the  final  reconciliation  of fees  owed  hereunder,  which  shall be
          calculated  by  Billing  Agent  no  less  than  six (6)  months  after
          termination of this Agreement.  In addition,  upon termination of this
          Agreement, Billing Agent shall turn over to the P.C. on diskette or in
          such other format as the P.C. shall  request,  all of the P.C.'s data,
          records and  information in Billing  Agent's  possession,  and, at the
          P.C.'s  option,  either (a)  immediately  cease billing and collection
          services hereunder, or (b) continue to use best efforts to collect for
          services billed prior to the date of termination of this Agreement.

D.   Reasonable Compensation. The fees paid and payable hereunder by the P.C. to
     Billing Agent have been  determined by the parties  through  good-faith and
     arm's length  bargaining.  No amount paid  hereunder is intended to be, nor
     shall be  construed  as,  an  inducement  or  payment  for  referral  of or
     recommending  referral  of,  patients by the P.C. to Billing  Agent (or its
     affiliates)  or by  Billing  Agent  (or  its  affiliates)  to the  P.C.  In
     addition,  the fees charged hereunder do not include any discount,  rebate,
     kickback or other reduction in charge,  and the fees charged  hereunder are
     not  intended  to be,  nor shall they be  construed  as, an  inducement  or
     payment for referral,  or  recommendation  of referral,  of patients by the
     P.C.  to Billing  Agent (or its  affiliates)  or by  Billing  Agent (or its
     affiliates)  to the P.C. The sole purpose of the payments to Billing  Agent
     hereunder  is to pay fair market value for  services  actually  rendered by
     Billing Agent to the P.C. hereunder.


                                       3

<PAGE>



E.   Confidential   Information.   This   Agreement   and  its  terms  shall  be
     confidential,  and at no time  during  or  after  the  termination  of this
     Agreement,  except as may be otherwise required by law shall, the P.C., its
     employees,  independent  contractors,  or owners  disclose,  communicate or
     divulge to, or use for the direct or indirect benefit of any person,  firm,
     association or company any  information  regarding the terms and conditions
     of  this  Agreement,  business  methods,  business  policies,   procedures,
     techniques,  or  trade  secrets,  or other  knowledge  or  processes  of or
     developed  by the  Billing  Agent,  or any other  confidential  information
     relating to or dealing with the business  operations  or  activities of the
     Billing Agent, made known to the P.C., its employees or its shareholders or
     learned or acquired by the P.C., its employees or owners during the term of
     this Agreement,  (collectively,  "Company  Information"),  except as may be
     expressly  authorized  by  the  Billing  Agent  or  any  successor  to  it.
     Immediately  upon the  termination of this  Agreement,  the P.C. and/or the
     applicable shareholder,  employee or independent  contractor,  or other key
     employee or independent  contractor  shall deliver to the Billing Agent all
     documents, computer disks or other forms of recorded information, including
     all copies thereof, containing Company Information.

F.   Entire  Agreement.  This  Agreement  constitutes  the entire  understanding
     relating to the subject matter hereof between the parties.

G.   Amendment.  This  Agreement  shall not be modified  or amended  except by a
     written document executed by both parties to this Agreement.

H.   Access of the  Government to Records.  To the extent that the provisions of
     Section   1861(c)(1)(I)   of   the   Social   Security   Act   [42   U.S.C.
     ss.1395x(c)(l)(I)]  are applicable to this Agreement,  the parties agree to
     make available, upon the written request of the Secretary of the Department
     of  Health  and  Human  Services  or upon the  request  of the  Comptroller
     General, or any of their duly authorized  representatives,  this Agreement,
     and other books,  records and  documents  that are necessary to certify the
     nature and extent of costs  incurred by them for services  furnished  under
     this Agreement.  The obligations  hereunder shall extend for four (4) years
     after  furnishing of such services.  The parties shall notify each other of
     any such request for records.

I.   Governing Law. This agreement  shall be subject to and governed by the laws
     of the State of Maryland.

J.   Notice. Any notice or other communication  required by this Agreement to be
     in writing shall be deemed to have been received by the person or entity to
     whom it is  addressed  two (2)  business  days after it is deposited in the
     United States mail,  postage  prepaid,  and  addressed as follows:

         Billing Agent:    Medi-Cen Management, Inc.
                           5530 Wisconsin Avenue, Suite 1248
                           Chevy Chase, MD 20815
                           Attention: Harrison Jett

                                       4


<PAGE>


         The P.C.:         Yater Medical Group, P.C.
                           1780 Massachusetts Avenue, N.W.
                           Washington, D.C.  20036-1999
                           Attention:  P. Steven Macedo, M.D.

K.   Severability;  Reformation.  In case any one or more of the  provisions  or
     parts of a provision  contained in this Agreement shall, for any reason, be
     held  to  be  invalid,  illegal  or  unenforceable  in  any  respect,  such
     invalidity,  illegality  or  unenforceability  shall not  affect  any other
     provision  or part of a provision  of this  Agreement;  and this  Agreement
     shall,  to the fullest extent lawful,  be reformed and construed as if such
     invalid or illegal or unenforceable  provision, or part of a provision, had
     never been contained herein, and such provision or part reformed so that it
     would be valid,  legal and  enforceable  to the  maximum  extent  possible.
     Without  limiting the  foregoing,  if any  provision (or part of provision)
     contained in this Agreement  shall for any reason be held to be excessively
     broad as to duration,  geographical scope, activity or subject, it shall be
     construed  by limiting  and  reducing  it, so as to be  enforceable  to the
     fullest extent compatible with then existing applicable law.

L.   Assignment.  Except as otherwise provided in this paragraph, this Agreement
     is not transferable or assignable by either party without the prior written
     consent of the other  party;  provided  that  Billing  Agent may assign its
     rights and obligations under the Agreement to any entity that controls,  is
     controlled  by, or is under  common  control with  Billing  Agent,  or is a
     successor to Billing Agent by merger, consolidation, reorganization or sale
     of all or substantially all of its assets.

     IN WITNESS WHEREOF,  the parties have caused this agreement to be signed by
a duly authorized person the day and year first above written.


                                             MEDI-CEN MANAGEMENT, INC.

                                             By: /s/ Harrison Jett
                                                -------------------------------
                                             Its: CFO


                                             YATER MEDICAL GROUP, P.C.

                                             By: /s/ P. Steven Macedo, MD
                                                ------------------------------
                                             Its: President

                                       5



The Board of Directors
Medi-Cen Management, Inc. and Affiliates:

We consent to the use of our reports included herein and to the reference to our
firm  under  the  headings  "Selected  Financial  Data"  and  "Experts"  in  the
prospectus.

                                               /s/ KPMG Peat Marwick LLP

McLean, Virginia
March 16, 1998



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