OAK TREE MEDICAL SYSTEMS INC
8-K, 1996-12-26
HEALTH SERVICES
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

     PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported)      December 11, 1996
                                                ------------------------

                         OAK TREE MEDICAL SYSTEMS, INC.
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

             Delaware                   0-16206                  02-0401674
- --------------------------------------------------------------------------------
(State or other jurisdiction         (Commission               (IRS Employer
      of incorporation)              File Number)            Identification No.)

       2 Gannett Drive, Suite 215, White Plains, New York          10604
- --------------------------------------------------------------------------------
              (Address of principal executive offices)          (Zip Code)

Registrant's telephone number, including area code      (914) 694-2500
                                                  ------------------------

- --------------------------------------------------------------------------------
         (Former name or former address, if changed since last report.)


<PAGE>

ITEM 2.  ACQUISITION OR DISPOSITION OF ASSETS.

         On December 11, 1996, Oak Tree Medical  Systems,  Inc. (the  "Company")
completed the acquisition of four Long Island,  New York, based physical therapy
centers,  located in Brooklyn,  Syosset,  Lawrence  and  Rockville  Centre.  The
centers had profits of  approximately  $550,000 in the most recent  fiscal year.
The  acquisition  also included a medical  billing company with gross billing of
approximately  $3 million.  The clinic assets and related  management  contracts
were acquired for approximately $1.5 million in cash and stock.

ITEM 7.  EXHIBITS.

4.1      Promissory  Note dated  December  11,  1996,  between Oak Tree  Medical
         Management, Inc. and Maple Health, Inc., Northern Professionals,  Inc.,
         Southern  Professional,  Inc., Mark A. Gentile,  James O'Neill,  Robert
         Einemann and Bernard Posner

4.2      Security  Agreement  dated December 11, 1996,  between Oak Tree Medical
         Management,   Inc.  and  Maple  Health,  Inc.,  Northern   Professional
         Associates, Inc., and Southern Professional Associates, Inc.

10.1     Agreement of Sale dated December 11, 1996, between Maple Health,  Inc.,
         Northern Professional  Associates,  Inc., Southern Professional,  Inc.,
         Mark A. Gentile, James O'Neill,  Robert Einemann and Bernard Posner and
         Oak Tree Medical Management, Inc.

10.2     Agreement  of Sale dated  December 11, 1996,  between  Steven  Rotwein,
         P.T., P.C. and New Medical Practice, P.C.

10.3     Letter,  dated  December  26,  1996,  in  respect  of  modification  of
         Agreement of Sale, dated December 11, 1996, between Maple Health, Inc.,
         Northern Professional  Associates,  Inc., Southern Professional,  Inc.,
         Mark A. Gentile, James O'Neill, Robert Einemann and Bernard Posner and 
         Oak Tree Medical Management, Inc.

99       Press Release


<PAGE>

                                   SIGNATURES


         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  Registrant  has duly  caused  this report to be signed on its behalf by the
undersigned thereunto duly authorized.


                                       By: /s/ William Kedersha
                                             --------------------
                                            Name:  William Kedersha
                                            Title: Chief Executive Officer


Date:  December 26, 1996



                                 PROMISSORY NOTE

$300,000                                                      December 11, 1996

         FOR  VALUE   RECEIVED,   OAK  TREE  MEDICAL   MANAGEMENT,   INC.,  (the
"Borrower"), or its assigns, at its offices at 2 Gannett Drive, Suite 215, White
Plains,  New York 10604,  hereby  promises to pay to the order of MAPLE  HEALTH,
Inc.  ("Maple"),  a New York  corporation  doing  business  at 70 Maple  Avenue,
Rockville Centre, New York 11570, NORTHERN  PROFESSIONALS INC.  ("Northern"),  a
New York corporation doing business at 10 Gordon Drive, Syosset, New York 11791,
SOUTHERN PROFESSIONALS, INC. ("Southern"), a New York corporation doing business
at 1500 Paerdegat Avenue North, Brooklyn, New York 11236 and at 235 Mill Street,
Lawrence, New York 11559, MARK A. GENTILE ("Gentile"), an individual residing at
3026 Club House Road,  Merrick,  NY 11566,  and JAMES  O'NEILL  ("O'Neill"),  an
individual residing at 856 South Long Beach Avenue,  Freeport,  NY 11520, ROBERT
EINEMANN ("Einemann"),  an individual residing at 951 Woodoak Drive, Baldwin, NY
11510, and BERNARD POSNER  ("Posner"),  an individual  residing at 3903 Nostrand
Avenue, Brooklyn, NY 11235, (collectively, the "Lenders") jointly and severally,
or at such other place as Lenders from time to time shall  designate in writing,
the principal amount of Three Hundred Thousand Dollars ($300,000), together with
interest on the unpaid balance accruing from and after the date hereof.

         Pursuant to the Security  Agreement (the "Security  Agreement") of even
date  herewith  between the Borrower  and the Lenders,  the Borrower has pledged
certain  assets as collateral  (the  "Collateral")  to the Lenders to secure its
prompt and full  performance of its obligations  hereunder and  thereunder.  Any
unpaid  amounts due and payable under the Security  Agreement  shall  constitute
principal  amounts  due under  this  Note.  To the  extent  that the  Collateral
(together  with the  proceeds  thereof)  is  insufficient  to satisfy all of the
Borrower  obligations under this Note and the Security Agreement,  the Borrower,
shall remain liable for any such deficiency.

1.   Payments.  The Borrower,  agrees to pay the sum of Three  Hundred  Thousand
     Dollars.  This sum  shall be  amortized  and  shall be due and  payable  in
     consecutive monthly payments, together with accrued interest, commencing on
     January 15, 1997, and on the same day of each month  thereafter until fully
     paid. In any event, all outstanding principal and accrued interest shall be
     due and payable on or before  December  15, 1999.  The payment  schedule is
     attached hereto.

2.   Interest. The Borrower, agrees to pay interest from the date hereof accrued
     on the unpaid  principal  amount of this Note from time to time outstanding
     at the simple interest rate of Twelve and One-Half percent (12.5%) interest
     per annum.


<PAGE>

3.   Prepayment.

     a.   This Note may be prepaid in whole or in part, at any time prior to the
          Maturity  Date,  without  penalty  or  premium,   provided  that  such
          prepayment in principal  shall include all accrued but unpaid interest
          in respect of such principal  through the date of such prepayment.  

     b.   An accelerated  payment will be made, at the time of Borrower's actual
          receipt  of  any  proceeds  from  any  investment  underwriting.   The
          accelerated  payment  amount will not exceed five (5%) percent of such
          net proceeds from the  underwriting(s).  Such underwriting(s) must net
          at least $500,000 for Borrower,  in each  instance.  

     c.   An accelerated  payment will be made, in any of the three years of the
          Term, if the total  combined  pre-tax  profits of all four  facilities
          acquired  under the Separate  Agreement  of Sale  between  Lenders and
          Borrower exceeds $750,000 in any of the three years of this Term. Such
          payment shall be ten (10%) percent of such excess pre-tax profits,  as
          defined in such Agreement of Sale.

4.   Assignment.  The borrower shall not assign or transfer any of its rights or
     delegate any of its obligations  under this Note of the Security  Agreement
     without the prior  written  consent of the Lenders,  except as may occur by
     operation of law.

5.   Event of  Default.  The  Lenders  may,  by written  notice o the  Borrower,
     declare this Note immediately due and payable,  whereupon this Note and all
     sums  due  hereunder  and  under  the  Security   Agreement   shall  become
     immediately due and payable without protest, presentment, demand or notice,
     all of which are expressly waived by the Borrower,  if any of the following
     events ("Event of Default") shall occur:

     a.   The Borrower shall fail to make payment of any principal,  interest or
          any other amount under this Note or the  Security  Agreement  when due
          (whether at stated maturity, by acceleration or otherwise); or
     b.   Any  representation or warranty relied upon by the Lenders and made or
          repeated  or  deemed to have been  made or  repeated  by the  Borrower
          herein  or in the  Security  Agreement  shall  prove  to be  false  or
          misleading in any material  respect as of the date made or repeated or
          deemed to have been made or repeated; or
     c.   A default  by the  Borrower  in the  performance  of any of the terms,
          agreements,  or  conditions  in this  Note or the  Security  Agreement
          (other than a payment default),  and such default shall remain uncured
          for a  period  of ten (10)  business  days  after  written  notice  by
          Lenders; or
     d.   The Borrower  shall default in due  observance or  performance  of any
          term, obligation, agreement or covenant to be observed or performed by
          such Borrower  pursuant to any evidence of  indebtedness  or liability
          for borrowed  money (other than this Note or the Security  Agreement),
          if such default


<PAGE>

          permits  the  obligee  thereof  to  accelerate  the  maturity  of such
          evidence of indebtedness or liability in excess of $500,000; or
     e.   The Borrower  shall (I) apply for or consent to the  appointment  of a
          receiver  or trustee  for  itself or any of its assets or  properties;
          (ii) admit in writing its  inability  to pay its debts as they mature,
          (iii) make a general assignment for the benefit of creditors,  (iv) be
          adjudicated  a bankrupt or insolvent or (v) file a voluntary  petition
          in bankruptcy,  or a petition or an answer seeking an arrangement with
          creditors  or to  take  advantage  of any  bankruptcy,  insolvency  or
          readjustment of debt law or statute or a petition or an answer seeking
          an arrangement  with creditors or to take advantage of any bankruptcy,
          insolvency  or  readjustment  of debt  law or  statue,  or any  answer
          admitting the material  allegations  of a petition  filed against such
          Borrower in any  proceeding  under any such law or if action  shall be
          taken  by  such  Borrower  for the  purpose  of  effecting  any of the
          foregoing; or
     f.   A material adverse order,  judgment or decree shall be entered against
          the Borrower in excess of $500,000, and such order, judgment or decree
          shall  continue  unstayed  and in effect  for a period of thirty  (30)
          days.
     g.   All of the  outstanding  stock of  Borrower  shall cease to be held by
          existing  shareholders,  or Borrower shall sell, transfer or otherwise
          dispose  of any  material  amount of  assets,  except in the  ordinary
          course  consistent  with past  practice and not  otherwise  prohibited
          under the Security Agreement.

6.   Methods of Payment. All payments of principal, interest or any other amount
     under this Note or the Security  Agreement shall be made in lawful money of
     the United States of America.

7.   Waiver of Notice,  etc. The Borrower hereby waives  presentment,  notice of
     demand for payment, protest, notice of dishonor and any other notice of any
     kind with respect to this Note.

8.   Amendment  and  Waivers.  Failure  of  Lenders  to insist  upon the  strict
     performance  of any  term,  provision,  or  covenant  of this  Note,  or to
     exercise any option or election hereby conferred, shall not be deemed to be
     a waiver or relinquishment of any future breach of any such term, covenant,
     condition,  election or option.  No  provision  of this Note may be waived,
     modified  or  discharged,  by course of  dealing  or  otherwise,  without a
     writing signed by the party to be charged with such waiver, modification or
     discharge.

9.   Expenses. The Borrower,  agrees to pay all expenses incurred by the Lenders
     in connection with the collection and enforcement of this Note,  including,
     without limitation, reasonable attorneys' fees and disbursements.

10.  Governing  Law and  Adjudication;  Related  Matters.  This  Note  shall  be
     governed by and construed in  accordance  with the laws of the State of New
     York, without reference to the principles of conflict of laws thereof.  The
     Borrower hereby  irrevocably  consents that any suit,  action or proceeding
     against the Borrower or any of the Borrowers' assets or properties  arising
     out of or in any way connected with this


<PAGE>

     Note or the Security Agreement may be instituted in any courts of the State
     of New York or any federal  court  located in such State,  and by execution
     and delivery of this Note, the Borrower hereby  irrevocably  submits to the
     jurisdiction  of  the  aforesaid  courts  in  any  such  suit,   action  or
     proceeding.  The Borrower hereby  irrevocably waives any objection which it
     may have at any time to the  laying  of venue of any such  suit,  action or
     proceeding brought in any such court,  waives any claim that any such suit,
     action or proceeding has been brought in an inconvenient  forum and further
     waives  the  right to  object  with  respect  to any such  suit,  action or
     proceeding that such court does not have jurisdiction over the Borrower.

         IN WITNESS WHEREOF,  the Borrower has caused this instrument to be duly
executed as of the date set forth above.

OAK TREE MEDICAL MANAGEMENT, INC.

By:  /s/ William Kedersha
     --------------------
      William Kedersha
      President

By:  /s/ William Kedersha
     -----------------------
      William Kedersha
      Treasurer


<PAGE>


Revised $300,000 paid Monthly @12.5% Beginning Jan 15th, 1997

********EVALUATION COPY***********FINANCIAL WIZARD******************************
Principal $:      $300,000              Interest per Year % :           12.50000
                                        Payment per Month   :         $14,735.81
                                        Number of Months    :                23
- --------------------------------------------------------------------------------
          Towards        Towards       Cumulative     Cumulative     Remaining
Period    Principal      Interest      Principal      Interest       Principal
- ------    ---------      --------      ---------      --------       ---------

 1         $11,610.81     $3,125.00    $ 11,610.81    $ 3,125.00    $288,389.20
 2         $11,731.76     $3,004.05    $ 23,342.57    $ 6,129.05    $276,657.40
 3         $11,853.96     $2,881.85    $ 35,196.53    $ 9,010.90    $264,803.50
 4         $11,977.44     $2,758.37    $ 47,173.97    $11,769.27    $252,826.00
 5         $12,102.21     $2,633.60    $ 59,276.18    $14,402.87    $240,723.80
 6         $12,228.27     $2,507.54    $ 71,504.45    $16,910.41    $228,495.50
 7         $12,355.65     $2,380.16    $ 83,860.10    $19,290.57    $216,139.90
 8         $12,484.35     $2,251.46    $ 96,344.45    $21,542.03    $203,655.50
 9         $12,614.40     $2,121,41    $108,958.90    $23,663.44    $191,041.10
10         $12,745.80     $1,990.01    $121,704.70    $25,653.45    $178,295.30
11         $12,878.57     $1,857.24    $134,583.30    $27,510.69    $165,416.70
12         $13,012.72     $1,723.09    $147,596.00    $29,233.78    $152,404.00
13         $13,148.27     $1,587.54    $160,744.30    $30,821.32    $139,255.70
14         $13,285.23     $1,450.58    $174,029.50    $32,271.90    $125,970.50
15         $13,423.62     $1,312.19    $187,453.10    $33,584.09    $112,546.90
16         $13,563.45     $1,172.36    $201,016.50    $34,756.45    $ 98,983.50
17         $13,704.73     $1,031.08    $214,721.20    $35,787.53    $ 85,278.80
18         $13,847.49     $  888.32    $228,568.70    $36,675.85    $ 71,431.30
19         $13,991.73     $  744.08    $242,560.40    $37,419.93    $ 57,439.59
20         $14,137.48     $  598.33    $256,697.90    $38,018.26    $ 43,302.09
21         $14,284.75     $  451.06    $270,982.70    $38,469.32    $ 29,017.31
22         $14,433.55     $  302.26    $285,416.30    $38,771.58    $ 14,583.69
23         $14,583.69     $  151.91    $300,000.00    $38,923.49    $      0.00

                               SECURITY AGREEMENT
                               (Chattel Mortgage)


         THIS  AGREEMENT,  made the 11th day of December  1996 under the laws of
the state of New York BETWEEN OAK TREE MEDICAL  MANAGEMENT,  INC.  herein called
the Debtor whose business address is 2 Gannett Drive,  White Plains,  N.Y. 10604
and whose residence address is [ ] and MAPLE HEALTH INC., SOUTHERN  PROFESSIONAL
ASSOCIATES INC. and NORTHERN  PROFESSIONAL  ASSOCIATES  INC.,  herein called the
Secured Parties, whose address is 40 Maple Avenue,  Rockville  Centre, New York
11570.

                              W I T N E S S E T H:

         To secure the payment of an  indebtedness  in the amount of $300,000.00
with interest, payable as follows

         Equal monthly  payments of $14,735.81  commencing  January 15, 1997 and
         monthly  thereafter for a total of twenty-three  (23) monthly  payments
         with the final  payment due and owing on December 15,  1998.  Interest,
         which is included in the monthly  payment,  has been  calculated  at 12
         1/2% per annum.

as  evidenced by a note or notes of even date  herewith,  and also to secure any
other  indebtedness  or liability  of the Debtor to the Secured  Party direct or
indirect,  absolute  or  contingent,  due or to  become  due,  not  existing  or
hereafter  arising,  including all future advances or loans which may be made at
the option of the Secured  Party,  (all  hereinafter  called the  "obligations")
Debtor hereby  grants and conveys to the Secured  Party a security  interest in,
and mortgages to the Secured Party,

         (a) the property described in the schedule herein  (hereinafter  called
the collateral), which collateral the Debtor represents will be used primarily

               |_|         for personal, family or household purposes

               |_|         in farming operations

               |X|         in business or other use

         (b) all  property,  goods and  chattels  of the same  classes  as those
scheduled,  acquired by the Debtor subsequent to the execution of this agreement
and prior to its termination

         (c) all proceeds thereof, if any,

         (d) all   increases,   substitutions,   replacements,   additions  and
accessions thereto.


<PAGE>

1.   DEBTOR WARRANTS, COVENANTS AND AGREES AS FOLLOWS:

PAYMENT  1a To pay and perform all of the obligations  secured by this agreement
         according to their terms.

DEFEND   1b To defend  the  title to the  collateral  against  all  persons  and
TITLE    against all claims and demands whatsoever, which collateral, except for
         the security  interest granted hereby,  is lawfully owned by the Debtor
         and is now free and  clear of any and all  liens,  security  interests,
         claims, charges,  encumbrances,  taxes and assessments except as may be
         set forth in the schedule.

ASSURANCE 1c On demand of the secured party to do the following; furnish further
OF TITLE assurance of title,  execute any written agreement or do any other acts
         necessary to effectuate the purposes and provisions of this  agreement,
         execute any  instrument  or  statement  required by law or otherwise in
         order to perfect,  continue or terminate  the security  interest of the
         Secured  Party  in the  collateral  and  pay all  costs  of  filing  in
         connection therewith.

POSSESSION 1d To retain  possession  of the  collateral  during the existence of
         this agreement and not to sell, exchange, assign, loan, deliver, lease,
         mortgage or otherwise  dispose of same  without the written  consent of
         the Secured Party.

LOCATION 1e To keep the collateral at the location specified in the schedule and
         not to  remove  same  (except  in the  usual  course  of  business  for
         temporary  periods)  without the prior  written  consent of the Secured
         Party.

LIENS    1f To keep  the  collateral  free  and  clear  of all  liens,  charges,
         encumbrances, taxes and assessments.

TAXES    1g To pay, when due, all taxes,  assessments  and license fees relating
         to the collateral.

REPAIRS  1h To keep the  collateral,  at Debtor's own cost and expense,  in good
         repair  and  condition  and not to  misuse,  abuse,  waste  or allow to
         deteriorate  except for normal wear and tear and to make same available
         for inspection by the Secured Party at all reasonable times.

INSURANCE   1i To keep the  collateral insured against  loss by fire  (including
         extended  coverage),  theft and other  hazards as the Secured Party may
         require and to obtain collision insurance if applicable. Policies shall
         be in such form and  amounts  and with such  companies  as the  Secured
         Party  may  designate.  Policies  shall be  obtained  from  responsible
         insurers  authorized  to do  business in this  state.  Certificates  of
         insurance  or  policies,  payable  to the  respective  parties as their
         interest may appear,  shall be deposited  with the Secured Party who is
         authorized, but under no duty, to obtain such insurance upon failure of
         the Debtor to do so. Debtor shall give immediate  written notice to the
         Secured Party and to insurers of loss or damage to the  collateral  and
         shall  promptly  file  proofs  of loss  with  insurers.  Debtor  hereby
         appoints the Secured  Party the  attorney for the Debtor in  obtaining,
         adjusting and cancelling  any such  insurance and endorsing  settlement
         drafts  and  hereby  assigns  to the  Secured  Party all sums which may
         become  payable under such  insurance,  including  return  premiums and
         dividends, as additional security for the indebtedness.

LOAN --  1j If this agreement is security for a loan to be used to pay a part or
USE OF   all of the purchase price of the collateral; to use the proceeds of the
PROCEEDS loan to pay the purchase price, filing fees and insurance premiums. The
         Secured Party however,  may pay the proceeds  directly to the seller of
         the collateral.


                                      - 2 -


<PAGE>

CHANGE   1k To immediately  notify the Secured Party in writing of any change in
OF       or  discontinuance  of  Debtor's  place or  places of  business  and/or
ADDRESS  residence.

AFFIXED  1l That if the  collateral has been attached to or is to be attached to
TO       real estate,  a description of the real estate and the name and address
REALTY   of the record  owner is set forth in the schedule  herein;  if the said
         collateral  is attached to real estate prior to the  perfection  of the
         security interest granted hereby,  Debtor will on demand of the Secured
         Party  furnish the latter with a disclaimer or  disclaimers,  signed by
         all persons  having an interest in the real estate,  of any interest in
         the collateral which is prior to Secured Party's interest.

2.   GENERAL PROVISIONS:

NOTES    2a Notes,  if any,  executed  in  connection  with this  agreement  are
         separate  instruments  and may be  negotiated  by Secured Party without
         releasing Debtor, the collateral,  or any guarantor or co-maker. Debtor
         consents to any extension of time of payment. If there be more than one
         Debtor,  guarantor or co-maker of this  agreement  or of notes  secured
         hereby, the obligation of all shall be primary, joint and several.

NON-     2b Waiver of or acquiescence  in any default by the Debtor,  or failure
WAIVER   of the Secured Party to insist upon strict performance by the Debtor of
         any  warranties or agreements  in this  security  agreement,  shall not
         constitute a waiver of any subsequent or other default or failure.

NOTICES  2c Notices to either  party shall be in writing and shall be  delivered
         personally or by mail  addressed to the party at the address herein set
         forth or otherwise designated in writing.

LAW      2d The Uniform  Commercial  Code shall  govern the  rights,  duties and
APPLIC-  remedies of the  parties and any  provisions  herein  declared  invalid
ABLE     under  any law  shall  not  invalidate  any  other  provisions  or this
         agreement.

DEFAULT  2e The following shall constitute a default by Debtor:

non-     Failure to pay the  principal  or any  installment  of  principal or of
payment  interest on the indebtedness or any notes when due.

viola-   Failure  by Debtor to comply  with or  perform  any  provision  of this
tion     agreement.

misre-   False or  misleading  representations  or  warranties  made or given by
presen   Debtor in connection with this agreement.
tation

levy     Subjection  of the  collateral  to levy of execution or other  judicial
         process.

insol-   Commencement  of any insolvency  proceeding by or against the Debtor or
vency    of any guarantor of or surety for the Debtor's obligations.

death    Death of the Debtor or of any  Guarantor  of or surety for the Debtor's
         obligations.

impair-   Any reduction in the value of the  collateral or any act of the Debtor
ment of   which imperils the prospect of full performance or satisfaction of the
security  Debtor's obligations herein.

REMEDIES 2f Upon any  default of the  Debtor  and at the  option of the  Secured
OF       Party,  the  obligations  secured by this agreement  shall  immediately
DEFAULT  become due and payable in full without notice or demand and the Secured
         Party shall have all the rights,  remedies and privileges  with respect
         to  repossession,  retention and sale of the collateral and disposition
         of the  proceeds as are accorded to a Secured  Party by the  applicable
         sections of the Uniform Commercial Code respecting "Default", in effect
         as of the date of this Security Agreement.

attorneys'  Upon any default, the Secured Party's reasonable attorneys' fees and
fees etc. the legal and other expenses for pursuing, searching  for,  receiving,
          taking,keeping, storing, advertising, and selling the collateral shall
          be chargeable to the Debtor.

defic-   The Debtor shall remain liable for any deficiency resulting from a sale
iency    of the  collateral  and  shall  pay any such  deficiency  forthwith  on
         demand.

monies   If the Debtor shall default in the performance of any of the provisions
advanced of this  agreement on the Debtor's part to be performed,  Secured Party
         may perform same for the Debtor's account and any monies expended in so
         doing shall be chargeable  with interest to the Debtor and added to the
         indebtedness secured hereby.

seizure  In  conjunction  with,  addition to or  substitution  for those rights,
         Secured Party, at his discretion, may: (1) enter upon Debtor's premises
         peaceable by Secured  Party's own means or with legal  process and take
         possession of the collateral,  or render it unusable, or dispose of the
         collateral on the Debtor's premises and the Debtor agrees not to resist
assem-   or interfere; (2) require Debtor to assemble the collateral and make it
bling    available  to the  Secured  Party  at a place to be  designated  by the
collat-  Secured  Party,  reasonable  convenient to both parties  (Debtor agrees
eral     that  the  Secured  Party's  address  as set  forth  above  is a  place
         reasonably  convenient for such assembling);  (3) unless the collateral
         is perishable or threatens to decline speedily in value or is of a type
notice   customarily sole on a recognized market, Secured Party will give Debtor
of sale  reasonable  notice of the time and place of any public sale  thereof or
         of the  time  after  which  any  private  sale  or any  other  intended
         disposition  thereof  is to be made.  The  requirements  of  reasonable
         notice will be met if such notice is mailed,  postage  prepaid,  to the
         address of the Debtor shown above,  at least three days before the time
         of sale or disposition.


         2g Secured Party may assign this agreement and if assigned the assignee
         shall be entitled,  upon notifying the Debtor, to performance of all of
         Debtor's obligations and agreements hereunder and the assignee shall be
         entitled  to  all of the  rights  and  remedies  of the  Secured  Party
         hereunder.  Debtor will  assert no claims or  defenses  Debtor may have
         against the Secured Party against the assignee.

FINANCING  2h The  Secured  Party  is  hereby  authorized  to  file a  Financing
STATEMENT  Statement.

CAPTIONS 2i The Captions are inserted  only as a matter of  convenience  and for
         reference  and in no way define,  limit or  describe  the scope of this
         agreement nor the intent of any provision thereof.


<PAGE>

     The terms,  warranties and agreements herein contained shall bind and inure
to the benefit of the respective  parties  hereto,  and their  respective  legal
representatives, successors and assigns.

     The gender and number used in this  agreement are used as a reference  term
only and  shall  apply  with the same  effect  whether  the  parties  are of the
masculine or feminine  gender,  corporate or other form,  and the singular shall
likewise include the plural.

     This agreement may not be changed orally.


                                      - 3 -


<PAGE>

     IN WITNESS WHEREOF,  the Parties have respectively  signed and sealed these
presents the day and year first above written.

Oak Tree Medical Management Inc.        Maple Health Inc.

By  /s/                                 By  /s/
    ----------------------------           -------------------------------
                                       Southern Professional Associates Inc.

                                        By   /s/
                                           -------------------------------
                                        Northern Professional Associates Inc.

                                        By  /s/
                                           -------------------------------


                                    SCHEDULE

     Describe items of  collateral,  the address where each item will be located
and describe any prior liens,  etc.,  and the amounts due thereon.  If items are
crops or goods affixed or to be affixed to real estate  describe the real estate
and state the name and address of the owner of record thereof.

        Items                           Location, etc.

Fitness Equipment                  Physical Therapy Centers located at:
Furniture
Fixtures                           40 Maple Avenue, Rockville Centre, New York
Leasehold Improvements
Leases                             10 Gordon Drive, Syosset, New York
Equipment Leases
                                   235 Mill St., Lawrence, New York

                                   1500 Paerdegat Avenue North,
                                   Brooklyn, New York


                                      - 4 -



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

                                AGREEMENT OF SALE

                             dated December 11, 1996

                                     between

    Southern Professional Associates, Inc. d/b/a Paerdegat Physical Therapy,
              Maple Health, Inc. d/b/a/ Sportset Physical Therapy,
      Southern Professional Associates, Inc. d/b/a Atrium Physical Therapy,
 Northern Professional Associates, Inc. d/b/a Sportset-Syosset Physical Therapy,
   Mark A. Gentile, James O'Neill, Robert Einemann and Bernard Posner, Sellers

                                       and

                        Oak Tree Medical Management, Inc.

                                    Purchaser


<PAGE>

                                AGREEMENT OF SALE

AGREEMENT OF SALE, made December 11, 1996, among MAPLE HEALTH, INC. ("Maple"), a
New York corporation  doing business as Sportset  Physical Therapy located at 70
Maple Avenue, Rockville Centre, New York 11570, NORTHERN PROFESSIONAL ASSOCIATES
INC.  ("Northern") a New York  corporation  doing business as Sportset-  Syosset
Physical Therapy located at 10 Gordon Drive,  Syosset, New York 11791,  SOUTHERN
PROFESSIONAL  ASSOCIATES,  INC.  ("Southern"),  a  New  York  corporation  doing
business as Paerdegat  Physical  Therapy located at 1500 Paerdegat Avenue North,
Brooklyn,  New York  11236 and as Atrium  Physical  Therapy  located at 235 Mill
Street,  Lawrence,  New York 11559 (collectively the "Corporate Sellers"),  MARK
GENTILE  ("Gentile") , an individual  residing at 3026 Club House Road, Merrick,
NY 11566, JAMES O'NEILL  ("O'Neill"),  an individual residing at 856 South Long
Beach Avenue,  Freeport, NY 11520, ROBERT EINEMANN ("Einemann"),  an individual
residing at 951 Woodoak Drive, Baldwin, NY 11510, and BERNARD POSNER ("Posner"),
an individual residing at 3903 Nostrand Ave., Brooklyn, NY 11235,  (collectively
the  Shareholders),  all parties  collectively  known as  "Sellers,"  and STEVEN
ROTWEIN,  P.T.,  P.C.("Rotwein"),  the Specialist  Provider,  billing entity and
medical  manager at each of the  above-mentioned  business  locations  of Maple,
Northern  and  Southern,  and Oak  Tree  Medical  Management,  Inc.,  a New York
corporation,  having an address at 2 Gannett Drive Suite 215,  White Plains,  NY
10604 ("Purchaser").

                              W I T N E S S E T H:
                              --------------------

WHEREAS, Purchaser desires to acquire, and Sellers desire to sell, the assets of
the corporations known as Northern Professionals,  Inc., Southern Professionals,
Inc. and Maple Health,  Inc., such  corporations  doing business as noted herein
and hereinafter specified,  upon the terms and conditions hereinafter set forth,
and

WHEREAS, Gentile, O'Neill, Einemann and Posner are the Shareholders of Corporate
Sellers,

WHEREAS,  Steven Rotwein,  P.T., P.C. is the Specialist  Provider billing entity
and medical manager of the business locations,

NOW, THEREFORE,  in consideration of the covenants and agreements  hereafter set
forth,  and other valuable  consideration,  the receipt and sufficiency of which
hereby is acknowledged, the parties hereto agree as follows:

1.  Agreement To Sell. Sellers agree to sell, transfer and deliver to Purchaser,
and Purchaser agrees to purchase,  upon the terms and conditions hereinafter set
forth,  all of the assets of the businesses of Sellers as noted herein.  Rotwein
agrees to cooperate with Sellers for the purpose of effectuating the transfer of
the businesses, as outlined herein.


                                        2


<PAGE>

2. The Assets of the  Corporation.  It is the  understanding of the parties that
Sellers are the owners of the following assets (the "Assets"):

     (a)  the equipment and general  assets  described in Exhibit A-1 hereto and
          all similar equipment acquired or owned by the businesses on or before
          the closing date (the "General Assets");

     (b)  the  furniture,  fixtures  and  improvements  described in Exhibit A-2
          hereto and all similar items acquired or owned by the businesses on or
          before the closing date (the "Improvements");

     (c)  the leases described in Exhibit A-3 hereto (the "Leases");

     (d)  the equipment  leases,  contracts and agreements  described in Exhibit
          A-4 hereto (the "Contracts");

     (e)  the Contractual Rights which sellers have with Rotwein;

     (f)  the bank accounts, lines of credit and safe deposit boxes (including a
          list of the persons  authorized  to access the bank  accounts and safe
          deposit  boxes),  described in Exhibit A-5 hereto (the "Bank  Accounts
          and Boxes");

Notwithstanding  anything to the contrary contained herein, there shall be 
excluded from the Assets, all cash on hand and in Sellers' bank accounts, and
accounts receivable..

3.  Purchase  Price.  The purchase  price to be paid by Purchaser is One Million
Four  Hundred  Seventy Five  Thousand  Dollars  ($1,475,000),  plus Six Thousand
(6,000) shares of Oak Tree Medical Systems, Inc. stock, payable as follows:

     (a)  Two Hundred  Twenty Five Thousand  Dollars  ($225,000) at the closing,
          less any downpayment or loans already received by Sellers.

     (b)  Six Thousand (6,000) shares of stock given at closing.

     (c)  Five Hundred Thousand  Dollars  ($500,000.00) at the closing by giving
          Sellers  a  Promissory  Note,  attached  as  Exhibit  B hereto in said
          principal amount,  and paying such terms as indicated in Exhibit B. IN
          NO  CASE  SHALL  PURCHASER  BE  RESPONSIBLE  FOR ANY  INDEBTEDNESS  OF
          SELLERS, OTHER THAN AS INDICATED HEREIN.

     (d)  One Hundred Thousand Dollars  ($100,000),  payable  quarterly in three
          equal installments,  over three quarters (9 months),  from the date of
          closing.

                                       3


<PAGE>

     (e)  Five Hundred Fifty Thousand  Dollars  ($550,000.00) in the form of Oak
          Tree Medical Systems,  Inc. common stock. If, during the next eighteen
          (18) months from closing,  the common stock reaches a trading price of
          seven ($7.00) dollars per share or more, and remains at that level for
          at least one full business week (M-F) during the eighteen  month term,
          then Seventy-Eight  Thousand Five Hundred Seventy-One  (78,571) shares
          of common  stock  shall be issued to  Sellers in  satisfaction  of the
          selling  price.  If, during the next eighteen (18) months from closing
          the common  stock  never  reaches the seven  ($7.00)  dollar per share
          threshold for one week, then One Hundred Thousand  (100,000) shares of
          common stock shall be issued to Sellers in satisfaction of the selling
          price.  Purchaser's  parent,  Oak Tree  Medical  Systems,  Inc.,  will
          reserve at closing the appropriate stock to be transferred, in support
          of  the  obligations  of  Purchaser.  Purchaser's  parent  signs  this
          Agreement  only  for the  purpose  of  acknowledging  this  provision.
          Delivery  of the  stock  to be paid to the  Sellers  pursuant  to this
          sub-paragraph  shall be made on the 25th  monthly  anniversary  of the
          closing,  provided,  however,  that Sellers have  faithfully and fully
          performed all of their duties and  obligations  set forth in paragraph
          ten (10) below  through the 25th monthly  anniversary  of the closing,
          and  provided  that  Maple  Health,  Inc.  and Mark  Gentile  have not
          voluntarily terminated their employment with Purchaser as set forth in
          the Employment and Management Agreement dated at closing.

     (f)  One  Hundred  Thousand  Dollars  ($100,000)  in the  form of  Fourteen
          Thousand Two Hundred  Eighty Six  (14,286)  shares of Oak Tree Medical
          Systems,  Inc.  common  stock,  to be given to the  Brooklyn  Facility
          Landlords,  in the names of Arnold Marshall and Richard  Marshall,  in
          consideration  of  that  Landlord's  commitment  to  establish  a  new
          leasehold  relationship  with  purchaser.  Eighteen  months  from  the
          closing the Fourteen Thousand Two Hundred Eight-six (14,286) shares of
          Oak Tree  Medical  Systems,  Inc.  common  stock  shall be  issued  as
          required in the  sub-paragraph..  Purchaser's parent, Oak Tree Medical
          Systems,  Inc.,  will reserve at closing the  appropriate  stock to be
          transferred,  in support of the obligations of Purchaser.  Purchaser's
          parent signs this Agreement only for the purpose of acknowledging this
          provision.  Unless otherwise agreed to in writing, the closing in this
          Agreement of Sale and the  Agreement of Sale between  Steven  Rotwein,
          P.C. and Purchaser shall be contingent upon the execution of the lease
          agreement between Purchaser and the Brooklyn Landlord.

All shares  hereunder will be  unregistered,  restricted  securities  within the
meaning of the federal securities laws and will contain the appropriate legends.

3A. Performance Incentive Agreement.  As additional  consideration,  performance
incentive payments will be made as noted in Exhibit D.

4. The Closing. The "closing" means the settlement of the obligations of Sellers
and Purchaser to each other under this  agreement,  including the payment of the
purchase  price to Sellers as provided  in Article 3 hereof and the  delivery of
the closing  documents  provided for in Article 5 


                                       4


<PAGE>

hereof.  The closing  shall be held at the offices of  Purchaser  and shall take
place on or about December 6, 1996 (the "closing date").

5.  Closing  Documents.  At the  closing  Sellers  shall  execute and deliver to
Purchaser:

     (a)  an Assignment of the rights of the lessees under the Leases.


                                       4a
<PAGE>

     (b)  certified  copies  of  resolutions  duly  adopted  by  the  Boards  of
          Directors and Shareholders of Corporate  Sellers  authorizing the sale
          of the Assets  and the  performance  by  Sellers of their  obligations
          hereunder

     (c)  an opinion of  Sellers'  counsel,  Gallagher  & Matthews of 11 Clinton
          Avenue,  Rockville  Center,  NY 11570 dated as of the closing date, in
          form and substance  satisfactory to Purchaser's counsel,  stating such
          counsel's  opinion that: (i) Corporations are duly organized,  validly
          existing and in good standing under the laws of New York; (ii) Sellers
          have full power and authority,  corporate and otherwise, to enter into
          this  agreement and perform  their  obligations  hereunder;  (iii) the
          execution  and  delivery  of this  agreement  and the  performance  by
          Corporate  Sellers  of their  obligations  hereunder  have  been  duly
          authorized  by the Boards of Directors and  Shareholders  of Corporate
          Sellers  and no further  action or  approval  is  required in order to
          constitute  this  agreement  as the  binding  obligation  of  Sellers,
          enforceable in accordance with its terms, except as enforceability may
          be  limited  by  bankruptcy,  moratorium,  insolvency  or  other  laws
          affecting creditor's rights generally; (iv) the execution and delivery
          of this agreement and the  performance  by Corporate  Sellers of their
          obligations hereunder do not and will not violate any provision of the
          Certificates of Incorporation or Bylaws of Corporate Sellers;  and (v)
          except  as may be set forth in this  agreement,  such  counsel  is not
          representing  Sellers in any suit,  action or proceeding  against them
          which, if adversely determined, would prohibit the consummation of the
          transactions  contemplated by this agreement,  nor is Counsel aware of
          any other  suits,  actions,  or  proceedings  which would  affect this
          transaction.

     (d)  the Certificates of Incorporation,  Bylaws,  filing receipts and other
          organizational  documents of Corporate Sellers;  any bills,  vouchers,
          and records showing the ownership of the Assets used in the operations
          of Sellers;  and all other books of account,  records and contracts of
          Sellers;  appropriate  documentation evidencing Rotwein's relationship
          with  Sellers  and the  Assets,  including  such  documentation  as is
          required to transfer Rotwein's interest in such Assets,

     (e)  Restrictive Covenant as enumerated in Article Ten (10),

     (f)  Statements executed by Sellers,  releasing and indemnifying  Purchaser
          from any and all obligations  and  liabilities of Sellers,  other than
          those specifically assumed herein,

     (g)  such  other   instruments   and  information  in  form  and  substance
          satisfactory to Purchaser's attorneys as may be necessary or proper to
          transfer to Purchaser good and marketable title to all other ownership
          interests in the Assets to be transferred under this agreement.


                                       5


<PAGE>

At the closing  Sellers shall deliver to Purchaser all keys for the  businesses.
If any keys for the  businesses  or  Assets  are held by  employees  or  others,
Sellers shall identify such individuals,  their addresses and their relationship
to the Sellers.  Sellers and Rotwein shall do all further acts and things as may
be  necessary,   or  reasonably  requested  by  Purchaser,   to  consummate  the
transactions  contemplated by this  agreement,  including the acquisition of and
possession  of the Assets.  Sellers and Rotwein  shall advise  Purchaser of, and
cause to be delivered to Purchaser, all applicable trade secrets and proprietary
information pertaining to the Assets of the businesses.

At the closing Purchaser shall execute and deliver to Sellers:

     (i)  an Assumption of the  obligations  of the lessees under the Leases and
          Equipment Contracts.

     (ii) the Promissory Note and appropriate  Security Agreement evidencing the
          $500,000 debt.

    (iii) reciprocal   documentation   and   Counsel's   opinion  as  listed  in
          subparagraphs (b), (c), (d) and (f) above.

Except as expressly provided herein,  Purchaser shall not be obligated to pay or
perform any obligations or liabilities of Rotwein or Sellers  including  without
limitation,  obligations or liabilities of Rotwein or Sellers to their creditors
or any  legal,  accounting,  brokerage  or  finder's  fees or any taxes or other
expenses  in  connection  with  this  agreement  or  the   consummation  of  the
transactions contemplated hereby.

6. Closing Adjustments.  The following items shall be apportioned as of midnight
of the day preceding the closing date:

     (a)  rent,  including any additional  rent, under the Real Estate leases or
          Equipment leases

     (b)  taxes and applicable common charges under the leases

     (c)  water and sewer charges

     (d)  utilities , as applicable

     (e)  employee salaries and benefits

Any errors or omissions in computing apportionments shall be corrected after the
closing, with both parties fully cooperating.

7.  Representations And Warranties Of Sellers.  Sellers represent and warrant to
Purchaser as


                                       6


<PAGE>

follows:

     (a)  Corporate Sellers are corporations duly organized and validly existing
          under the laws of New York,  and are duly  qualified to do business in
          New York. Corporate Sellers have full power and authority to own their
          properties  and to conduct their  businesses as now carried on, and to
          carry out and perform their  undertakings  and obligations as provided
          herein.  The  execution  and  delivery  by  Corporate  Sellers of this
          agreement and the consummation of the transactions contemplated herein
          have been duly authorized by the Boards of Directors and  Shareholders
          of  Corporate  Sellers  and  will  not  conflict  with or  breach  any
          provision of the  Certificates of Incorporation or Bylaws of Corporate
          Sellers, and do not and will not conflict with or result in any breach
          of any condition or provision of, or  constitute a default  under,  or
          result  in  the  creation  or  imposition  of  any  lien,   charge  or
          encumbrance  upon  the  Assets  by  reason  of the  provisions  of any
          contract,  lien,  lease,  agreement,  instrument  or judgment to which
          Sellers or Rotwein are a party,  or which are or purport to be binding
          upon  Sellers  or  Rotwein  or which  affect or  purport to affect the
          Assets.  No further  action or approval,  corporate or  otherwise,  is
          required  in  order to  constitute  this  agreement  the  binding  and
          enforceable obligation of Sellers.

     (b)  No action,  approval,  consent  or  authorization,  including  without
          limitation  any  action,  approval,  consent or  authorization  of any
          governmental or quasi-governmental agency,  commission,  board, bureau
          or instrumentality,  is necessary for Sellers or Rotwein to constitute
          this agreement the binding and enforceable obligation of Sellers or to
          consummate the transactions contemplated hereby.

     (c)  Sellers  are the owners of and have good and  marketable  title to the
          Assets,  free of all  liens,  claims and  encumbrances,  except as set
          forth herein.

     (d)  There are no violations,  potential  claims of violations or questions
          of irregularity  regarding any law or governmental  rule or regulation
          pending  or,  to  the  best  of  Sellers'  and  Rotwein's   knowledge,
          threatened  against  Rotwein or Sellers,  or the  Assets.  Sellers and
          Rotwein  have  complied  with  all  laws and  governmental  rules  and
          regulations  applicable to the  businesses or the Assets.  Sellers and
          Rotwein  have duly  notified  all  insurance  carriers  or third party
          payers of any suspected or known claims or potential  claims which may
          be asserted against Sellers, Rotwein or the Assets.

     (e)  There are no judgments,  liens, suits,  actions or proceedings pending
          or,  to the  best of  Rotwein's  and  Sellers'  knowledge,  threatened
          against Rotwein,  Seller, or the Assets.  Neither Seller,  Rotwein nor
          the Assets are a party to, subject to or bound by any agreement or any
          judgment or decree of any court, governmental body or arbitrator which
          would  conflict  with or be  breached  by the  execution,  delivery or
          performance of this agreement, or which could prevent the carrying out
          of the  


                                       7


<PAGE>

          transactions  provided for in this  agreement,  or which could prevent
          the use by Purchaser of the Assets or adversely  affect the conduct of
          the businesses by Purchaser.

     (f)  Sellers have not entered into, and the Assets are not subject to, any:
          (i) written  contract or agreement for the  employment of any employee
          of the business;  (ii)  contract with any labor union or guild;  (iii)
          pension, profit-sharing, retirement, bonus, insurance, or similar plan
          with respect to any employee of the business; or (iv) similar contract
          or agreement affecting or relating to the Assets.

     (g)  At the time of the  closing,  there will be no (secured or  unsecured)
          creditors  of  Sellers,   other  than  the  holders  of  the  Existing
          Indebtedness,  Exhibit B. Such  payments on the Existing  Indebtedness
          are current and no payments are in arrears. General business creditors
          and  equipment  lessors  are listed in Exhibit  A-4  attached  hereto.
          Except  as set forth  herein,  Sellers  shall be liable  for all other
          obligations incurred by Sellers prior to closing.

     (h)  The Leases are in full force and  effect and  without  any  default by
          Sellers  thereunder.  All copies of the Leases  provided by Sellers to
          Purchaser  are true and complete  copies of the original  Leases.  The
          leases may be assigned to Purchaser.

     (i)  Identified Contracts and Equipment Leases are in full force and effect
          and without any  default by Sellers or  thereunder.  All copies of the
          Contracts  and Leases  provided by Sellers to  Purchaser  are true and
          complete  copies of the original  Contracts.  Sellers are not indebted
          under any executory Contracts or Leases, except as may be set forth in
          Exhibit A-4 hereto.

     (j)  Sellers have filed each tax return,  including without  limitation all
          income, excise,  property,  capital gain, sales, franchise and license
          tax returns, required to be filed by Sellers prior to the date hereof.
          Each such return is true, complete and correct,  and Sellers have paid
          all  taxes,  assessments  and  charges of any  governmental  authority
          required  to be  paid  by  them  and  have  created  reserves  or made
          provision for all taxes accrued but not yet payable.  No government is
          now asserting,  or to Sellers'  knowledge  threatening to assert,  any
          deficiency  or  assessment  for  additional  taxes  or  any  interest,
          penalties  or fines with  respect to  Sellers.  Sellers'  federal  tax
          identification  numbers  are  _________________.  Sellers  shall  hold
          Purchaser  harmless  and  indemnify  Purchaser  against all claims for
          taxes due from and owed by Sellers.

     (k)  The attached financial  statements in Exhibit C are true and accurate.
          The financial  statements  fairly and correctly  present the financial
          position of the Corporate Sellers and will so represent such as of the
          date of closing.


                                       8


<PAGE>

At the closing Sellers and Rotwein, as applicable,  shall execute and deliver an
affidavit setting forth the above representations as of the date of the closing.

8.  Representations  And  Warranties  Of  Purchaser.  Purchaser  represents  and
warrants to Sellers as follows:

     (a)  Purchaser is a corporation  organized  under the laws of New York, and
          is duly qualified to do business in New York. Purchaser has full power
          and  authority  to  carry  out  and  perform  its   undertakings   and
          obligations  as  provided  herein.   The  execution  and  delivery  by
          Purchaser of this agreement and the  consummation of the  transactions
          contemplated  herein  have  been  duly  authorized  by  the  Board  of
          Directors  of  Purchaser  and will not  conflict  with or  breach  any
          provision of the Certificate of  Incorporation or Bylaws of Purchaser.
          No further action or approval,  corporate or otherwise, is required in
          order  to  constitute  this  agreement  the  binding  and  enforceable
          obligation of Purchaser.

     (b)  No action,  approval,  consent  or  authorization,  including  without
          limitation  any  action,  approval,  consent or  authorization  of any
          governmental or quasi-governmental agency,  commission,  board, bureau
          or  instrumentality,  is necessary for  Purchaser to  constitute  this
          agreement  the binding and  enforceable  obligation of Purchaser or to
          consummate the transactions contemplated hereby.

     (c)  There are no violations,  potential  claims of violations or questions
          of irregularity  regarding any law or governmental  rule or regulation
          pending or, to the best of Purchaser's  knowledge,  threatened against
          Purchaser. Purchaser has complied with all laws and governmental rules
          and regulations. Purchaser has duly notified all insurance carriers or
          third  party  payers of any  suspected  or known  claims or  potential
          claims which may be asserted against Purchaser.

     (d)  There are no judgments,  liens, suits,  actions or proceedings pending
          or,  to  the  best  of  Purchaser's   knowledge,   threatened  against
          Purchaser.  Purchaser  is not a party to,  subject  to or bound by any
          agreement or any judgment or decree of any court, governmental body or
          arbitrator  which would conflict with or be breached by the execution,
          delivery or performance of this agreement,  or which could prevent the
          carrying out of the transactions provided for in this agreement.

     (e)  Purchaser has filed each tax return,  including without limitation all
          income, excise,  property,  capital gain, sales, franchise and license
          tax  returns,  required  to be  filed by  Purchaser  prior to the date
          hereof. Each such return is true, complete and correct,  and Purchaser
          has  paid all  taxes,  assessments  and  charges  of any  governmental
          authority required to be paid by Purchaser and has created reserves or
          made  provision  for  all  taxes  accrued  but  not  yet  payable.  No
          government is now 


                                       9


<PAGE>

          asserting,  or to Purchaser's  knowledge  threatening  to assert,  any
          deficiency  or  assessment  for  additional  taxes  or  any  interest,
          penalties or fines with respect to Purchaser. Purchaser's' federal tax
          identification  number  is  _________________.  Purchaser  shall  hold
          Seller harmless and indemnify  Seller against all claims for taxes due
          from and owed by Purchaser.

     (f)  The attached financial  statements in Exhibit C are true and accurate.
          The financial  statements  fairly and correctly  present the financial
          position of the Purchaser and will so represent such as of the date of
          closing.

9.  Conditions To Closing.  The  obligations of Purchaser to close hereunder are
subject to the following conditions:

     (a)  All of the terms,  covenants  and  conditions  to be complied  with or
          performed  by Sellers  under this  agreement  on or before the closing
          shall have been complied with or performed in all material respects.

     (b)  All  representations  or warranties of Sellers and Rotwein  herein are
          true  in  all  material   respects  as  of  the  closing  date.   Such
          representations and warranties shall also survive closing.

     (c)  Satisfactory results of financial audit, as required by Purchaser.

     (d)  All Assets are in good working order, as applicable.

     (e)  On the closing date,  there shall be no liens or encumbrances  against
          the Assets, except as provided for herein.

     (f)  The  businesses  of Sellers have been  conducted  only in the ordinary
          course of business.  No contracts or purchase  agreements/orders  will
          have been entered into, other than in the ordinary course of business.
          No expenditures or credit purchases will be made by Sellers other than
          in the ordinary course of business.

     (g)  Sellers,  and their  representatives  and advisors  will supply,  upon
          request  by  Purchaser  and  its   representatives,   such   pertinent
          information  as may be required by  Purchaser  in order to conduct its
          due  diligence  survey of Sellers.  It is agreed that any documents or
          information  provided  hereunder  shall be kept in full  and  complete
          confidence.

     (h)  All payments  under the Existing  Indebtedness  are current and not in
          arrears, to date of closing.

     (i)  Mark Gentile will agree to be employed by  Purchaser,  as evidenced by
          an 


                                       10


<PAGE>

          Employment  Agreement  to be signed at closing,  whereby  Gentile will
          serve  as  full-time   Facilities   Manager  of  the  four   purchased
          facilities.  Such employment  agreement term will be established for a
          minimum of three (3) years,  with  Purchaser's  sole  option to extend
          such  term  for an  additional  two  years.  Gentile,  as part of such
          employment  terms,  will  agree  to  spearhead  and  participate  in a
          facilities  expansion  program within the Long Island,  NY area, or as
          agreed to otherwise.

     (j)  Syosset  facility  rent will not  exceed  $5,500.00  per month for the
          first five years.  Atrium facility rent will not exceed  $6,500.00 per
          month for the first five years.  Rockville  Center  facility rent will
          not exceed  $12,000.00  per month for the first five  years.  Brooklyn
          facility  rent will not exceed  $6,000 per month and is expected to be
          approximately $4,500.00 per month.

Sellers  promptly  shall notify the Lessors under the Leases (the  "Lessors") of
the  proposed  assignment  of the Leases to  Purchaser,  and shall  request  the
consent of the Lessors  thereto.  Sellers  and  Purchaser  shall  furnish to the
Lessors such  information as may  reasonably be required in connection  with the
procuring  of such  consent,  and  shall  otherwise  cooperate  in an  effort to
expeditiously procure such consent. If the Lessors shall fail or refuse to grant
such  consent in writing  within ten (10) days after the date of this  agreement
(the  "Outside  Date"),  or shall require as a condition of the granting of such
consent  that  additional  consideration  be paid to the Lessors  which  neither
Sellers nor  Purchaser are willing to pay,  then  Purchaser  may terminate  this
agreement, by written notice to the shareholders Gentile and O'Neill,  delivered
within five days after the Outside Date.

If this  agreement is  terminated  as provided  above in this Article 9, Sellers
shall  return any payments  made by Purchaser on account of the purchase  price,
whereupon  all  rights  of  Purchaser  hereunder  and  to the  businesses  shall
terminate,  and neither  Sellers  nor  Purchaser  shall have any  further  claim
against the other hereunder.

10. Restrictive Covenant Not to Compete.  Sellers will not, for a period of four
(4) years from the date of closing, either directly or indirectly, engage in the
management  or practice of physical  therapy or related  services,  within lower
Westchester  County,  NY (up to and  including  latitude of White  Plains,  NY),
Fairfield  County,  CT and  within a ten (10) mile  radius of  Sellers'  current
addresses as listed herein. The Restrictive  Covenant  provisions  pertaining to
Long Island,  NY shall  terminate if Purchaser  discontinues  the  operation and
management of its physical  therapy  centers on Long Island,  NY.  Sellers shall
execute at closing, such documents as will evidence this surviving provision. To
the extent a court of competent jurisdiction determines this provision to be too
restrictive,  the parties agree to abide by any modification  acceptable to such
court.

11.  Indemnification.  Each  party  hereto  shall  indemnify  and hold the other
parties harmless from and against all liability, claim, loss, damage or expense,
including  reasonable  attorneys' fees,  


                                       11


<PAGE>

incurred or required to be paid by such other parties by reason of any breach or
failure of observance or performance of any representation,  warranty,  covenant
or other  provision  (including  lists and  Exhibits) of this  agreement by such
party.  Sellers shall indemnify and hold Purchaser harmless against all actions,
suits, proceedings,  judgments, costs and expenses incurred by or levied against
Purchaser,  due to Sellers' prior acts, omissions,  negligence or other wrongful
conduct. Purchaser shall indemnify and hold Seller harmless against all actions,
suits, proceedings,  judgments, costs and expenses incurred by or levied against
Seller,  due to  Purchaser's  acts,  omissions,  negligence  or  other  wrongful
conduct.

12.  Risk  Of  Loss.  The  risk of loss to the  Assets  of the  businesses  sold
hereunder,  until the closing, is assumed and shall be borne by Sellers. Sellers
agree to keep all of its Assets fully insured against any loss,  either by fire,
theft or casualty,  to the date of closing.  In the event that prior to closing,
such Assets are  totally or  substantially  damaged by reason of fire,  theft or
casualty,   Purchaser  may,  in  its  sole  discretion,   terminate  the  within
transaction.  In such  case,  all money  heretofore  deposited  with  Sellers or
Sellers'  representative shall be refunded to Purchaser and the parties shall be
released  from any  further  liability  hereunder.  If the  Purchaser  elects to
consummate this transaction  despite such loss or damage, it may do so by paying
the purchase price set forth herein,  reduced by any insurance proceeds received
by Sellers.

13. Brokerage.  The parties hereto represent and warrant to each other that they
have not dealt with any broker or finder in connection with this agreement other
than American  Health  Resources,  LLC.  Purchaser and Sellers shall  indemnify,
defend and hold each other  harmless from and against any loss,  cost,  expense,
claim or liability (including,  without limitation,  reasonable attorney's fees)
arising  under or in  respect  of any  claim by any  person  or  entity  for any
commission,  fee or expense in respect of the  transaction  contemplated by this
Agreement,  where  such  claim is based in whole or in part  upon any act of the
indemnifying party or its representatives.  The provisions of this Article shall
survive the expiration, termination or cancellation of this Agreement, but shall
not be construed as a covenant for the benefit of any third party.

14. Individual  Sellers.  Robert Einemann,  Bernard Posner,  Mark A. Gentile and
James O'Neill hereby confirm all of the representations and warranties contained
herein,  and agree to indemnify  and hold  Purchaser  harmless  from and against
misrepresentation  or breach of any warranty by Corporate  Sellers or any breach
or failure by Sellers to comply  with any term,  covenant or  condition  of this
agreement.  Shareholders represent and warrant that they are the shareholders of
Corporate Sellers,  and that they have full power and authority to carry out and
perform the undertakings and obligations as provided herein.  Shareholders agree
as aforesaid  to induce  Purchaser  to enter into this  agreement.  No action or
inaction of Sellers or Purchaser, including the giving of notices, shall affect,
change or discharge the obligations of the Purchaser's Guarantors hereunder.

15. Notices. All notices, demands and other communications required or permitted
to be given  hereunder  shall be in  writing  and  shall be  deemed to have been
properly given if delivered by hand 


                                       12


<PAGE>

or by registered  or certified  mail,  return  receipt  requested,  with postage
prepaid,  to Sellers'  attorneys,  Gallagher  & Matthews  at 11 Clinton  Avenue,
Rockville  Center,  NY 11570,  and to Purchaser's  attorney,  Frederick C. Veit,
Esq.,  at 2 Gannett  Drive Suite 215,  White Plains,  NY 10604.  The  respective
attorneys for the parties hereby are  authorized to give any notice  required or
permitted hereunder and to agree to adjournments of the closing.

16. Survival.  The representations,  warranties and covenant contained herein or
in any document,  instrument,  certificate  or schedule  furnished in connection
herewith  shall  survive the delivery of the Bill of Sale and shall  continue in
full force and effect after the closing, except to the extent waived in writing.

17. Further Assurances. In connection with the transactions contemplated by this
agreement,  the parties  agree to execute and deliver such further  instruments,
and to take such further  actions,  as may be reasonably  necessary or proper to
effectuate and carry out the transactions contemplated in this agreement.

18.  Changes  Must Be In  Writing.  No delay or  omission  by either  Sellers or
Purchaser in exercising any right shall operate as a waiver of such right or any
other right.  This  agreement may not be altered,  amended,  changed,  modified,
waived or terminated  in any respect or  particular  unless the same shall be in
writing  signed by the party to be bound.  No waiver by any party of any  breach
hereunder shall be deemed a waiver of any other or subsequent breach.

19.  Captions And Exhibits.  The captions in this agreement are for  convenience
only and are not to be  considered in construing  this  agreement.  The Exhibits
annexed to this  agreement  are an integral  part of this  agreement,  and where
there is any  reference  to this  agreement  it shall be deemed to include  said
Exhibits.

20.  Governing  Law.  This  agreement  shall be  governed  by and  construed  in
accordance with the laws of the State of New York.

21.  Binding  Effect.  This  agreement  shall be  binding  upon and inure to the
benefit  of  the  parties  hereto  and  their   respective   heirs,   executors,
administrators, successors and assigns.

22. Cancellation. Purchaser reserves the right to cancel this Agreement, without
penalty, if any negative disclosure is discovered regarding Sellers,  Rotwein or
their  Assets,  which  would  materially  affect the value of  Sellers'  Assets.
Purchaser's right to cancel shall be null and void subsequent to actual closing.

23. Confidentiality.  Each party acknowledges and agrees that any information or
data it has acquired from the other party, not otherwise  properly in the public
domain,  was received in  confidence.  Each party hereto  agrees not to divulge,
communicate or disclose, except as may be required by law or for the performance
of this  Agreement  (including  conducting  due diligence or notifying a party's
lender),  or use to the detriment of the disclosing  party or for the 


                                       13


<PAGE>

benefit of any other person or persons,  or misuse in any way, any  confidential
information  of the  disclosing  party  concerning  the subject  matter  hereof,
including  any  trade  or  business  secrets  of the  disclosing  party  and any
technical  or business  materials  that are treated by the  disclosing  party as
confidential or proprietary,  including without limitation  information (whether
in  written,  oral  or  machine  readable  form)  concerning:  general  business
operations:  methods of doing business, servicing clients, client relations, and
of pricing and making charge for services and products;  financial  information,
including  costs,  profits  and  sales;  marketing  strategies;  business  forms
developed by or for the disclosing party; names of suppliers, personnel, clients
and potential  clients;  negotiations or other business contacts with suppliers,
personnel,  clients and potential clients;  form and content of bids,  proposals
and contracts; the disclosing party's internal reporting methods;  technical and
business data and documentation; software programs, however embodied; diagnostic
techniques;  and information  obtained by or given to the disclosing party about
or belonging to third parties.

24.  Repurchase  Option.  (a) If at any time on or  before  two  years  from the
closing date (i) at least 51% of the  outstanding  equity stock of the Purchaser
shall be held, directly or indirectly,  by Oak Tree Medical Systems,  Inc. ("Oak
Tree") and (ii) there shall occur a Change of Control (as defined  below) of Oak
Tree, the Sellers (or such fewer of them as shall then be in existence), jointly
and not severally, shall have the option (the "Option") to repurchase the Assets
and any additions or accretions thereto or substitutions therefor, to the extent
owned by the  Purchaser at the time of  occurrence of the change of control (the
"Option  Assets"),  at a price (the "Option  Price") equal to the Purchase Value
(as defined below); provided, however, that if the Fair Market Value (as defined
below) of the Option Assets  differs from the Purchase Value by more than 30% of
the  Purchase  Value,  the Option Price shall equal the Fair Market  Value.  The
Option shall be  exercisable by delivery of a written notice from the Sellers to
the  Purchaser to that effect no later than 90 days after the  occurrence of the
Change of  Control.  Such  notice  shall  specify a date for  consummation  (the
"Consummation  Date") of the  acquisition  by the Sellers of the Option  Assets,
which date shall be a business  day no later then 30 days after the  delivery to
the Purchaser of the notice of exercise. On the Consummation Date, the Purchaser
shall transfer and convey to the Sellers all of the Purchaser's right, title and
interest in and to the Option  Assets,  free and clear of all claims,  liens and
encumbrances. The Purchaser and the Company agree to take all such action and to
execute all such  agreements  and  documents as shall  reasonably be required to
effect  the  transfer  and  conveyance  of the Option  Assets to the  Sellers as
aforesaid.

     (b)  The  Option  Price  shall  be paid in cash on the  Consummation  Date,
          subject, however, to the following provisions.

          (i)  Sellers, at their election,  may deliver 6,000 shares of Oak Tree
               common stock in lieu of a cash payment in the amount set forth in
               clause (y) of the definition of "Purchase Value".

          (ii) Sellers,  at their  election,  may deliver the shares of Oak Tree
               common stock issuable to them pursuant to clause (e) of Section 3
               in lieu of the payment of 550,000 in cash; and

         (iii) Sellers,  at their  election,  may  deliver the  Promissory  Note
               referred  to in clause (e) of Section 3 in lieu of the payment of
               cash in the  amount of the  outstanding  principal  amount of the
               Promissory Note.


                                       14


<PAGE>

     (c)  For purposes of this Section,

     "Change of Control" shall mean the occurrence of either on of the following
events:

          (i)  Any  person or entity  (including  any group as such term is used
               under  Section 13 (d) of the  Securities  Exchange  Act of 1934),
               other than Henry Dubbin,  becomes a "beneficial  owner",  as such
               term is used in Rule 13d-3  promulgated under such Act, of 50% or
               more of the voting stock of the Oak Tree; or

          (ii) The  majority  of the Board  consists of  individuals  other than
               Incumbent Directors, which term means the members of the Board on
               the date of this  Agreement;  provided that any person becoming a
               director subsequent to such date whose election of nomination for
               election was  supported by  two-thirds  of the directors who then
               comprised  the Incumbent  Directors  shall be considered to be an
               Incumbent Director.

(d)  The Option  shall not be  assignable  without  the  written  consent of the
     Company  except by operation of law.  Sellers shall be entitled to specific
     performance of the Option.

(e)  For all purposes under this Section 24 Sellers shall be represented by Mark
     Gentile or if he be incapable of functioning by James O'Neill,  or if he be
     incapable  of  functioning,  by Robert  Einemann,  or if he is incapable of
     functioning  by Bernard  Posner,  and all  rights,  privileges,  duties and
     obligations  of Sellers  hereunder  shall be exercised  and enforced by the
     Seller Representative in such capacity.

         "Fair  Market  Value"  shall mean the fair  market  value of the Option
Assets as determined  by an  independent  appraiser  selected by the Sellers and
reasonably acceptable to the Purchaser.

         "Purchase  Value" shall mean (x) $1,500,000 plus (y) the value of 6,000
shares of Oak Tree common  stock  determined  on the basis of the average of the
last  reported  bid  prices  for  such  stock  on the  five  days  prior  to the
Consummation  Date plus (z) the  amount of any  payments  made by the  Purchaser
pursuant  to the  Performance  Incentive  Agreement,  of even date,  between the
Sellers and the Purchaser.


                                       15


<PAGE>

IN WITNESS  WHEREOF,  the parties have  executed  this  agreement the date first
above written.

       SELLERS:

                                        By /s/ Mark A. Gentile
                                           --------------------------
                                                  Mark A. Gentile

                                        By /s/ James O'Neill
                                           --------------------------
                                                  James O'Neill

                                        By /s/ Robert Einemann
                                           --------------------------
                                                  Robert Einemann

                                        By /s/ Bernard Posner
                                           --------------------------
                                                  Bernard Posner

                                        By /s/ Steven Rotwein
                                           --------------------------
                                                  Steven Rotwein

SOUTHERN PROFESSIONAL ASSOCIATES, INC. d/b/a Paerdegat Physical Therapy

ATTEST:

                                        By /s/
                                           --------------------------
                                                  President

By /s/
   ---------------------
        Secretary

SOUTHERN PROFESSIONAL ASSOCIATES, INC. d/b/a/ Atrium Physical Therapy

ATTEST:

                                        By /s/
                                           -------------------------
                                                  President

By /s/
   --------------------
        Secretary


                                       16


<PAGE>

IN WITNESS  WHEREOF,  the parties have  executed  this  agreement the date first
above written.

       TRANSFERORS:

                                        By /s/ Mark A. Gentile
                                           --------------------------
                                                  Mark A. Gentile

                                        By /s/ James O'Neill
                                           --------------------------
                                                  James O'Neill

                                        By /s/ Robert Einemann
                                           --------------------------
                                                  Robert Einemann

                                        By /s/ Bernard Posner
                                           --------------------------
                                                  Bernard Posner


SOUTHERN PROFESSIONAL ASSOCIATES, INC. d/b/a Paerdegat Physical Therapy

ATTEST:

                                        By /s/
                                           --------------------------
                                                  President

By /s/
   ---------------------
        Secretary

SOUTHERN PROFESSIONAL ASSOCIATES, INC. d/b/a/ Atrium Physical Therapy

ATTEST:

                                        By /s/
                                           -------------------------
                                                  President

By /s/
   --------------------
        Secretary


<PAGE>

MAPLE HEALTH d/b/a Sportset Physical Therapy


ATTEST:

                                        By /s/ 
                                        -----------------------
                                                President
By /s/ James J. O'Neill
- ------------------------  
       Secretary

NORTHERN PROFESSIONAL ASSOCIATES, INC. d/b/a/ Sportset-Syosset Physical Therapy

ATTEST:

                                        By /s/ 
                                        -----------------------
                                                President
By /s/ James J. O'Neill
- ------------------------  
       Secretary

STEVEN ROTWEIN, P.T., P.C..

ATTEST:

                                            By /s/ Steven Rotwein
                                               -----------------------
                                                     Steven Rotwein

By /s/
   ---------------------
                  Secretary

PURCHASER:

OAK TREE MEDICAL MANAGEMENT, INC.

 ATTEST:

                                            By /s/
                                               ----------------------
                                                      President


By /s/ 
   ---------------------
         Treasurer


                                       17


<PAGE>

OAK TREE MEDICAL SYSTEMS, INC. for purposes of paragraphs 3(e) and 3(f) only.

ATTEST:

                                        By /s/ 
                                           -----------------------
                                             CEO
By /s/ David D. Rosenberg
   ----------------------  
         CFO


                                       18


<PAGE>

STATE OF NEW YORK, COUNTY OF WESTCHESTER, SS.:

     On the 11 day of December, 1996, before me personally came Mark Gentile, to
me known, who being duly sworn, did depose and say that he resides at

               ; that he is the President of Maple Health, Inc. d/b/a Sportset 
Physical  Therapy the corporation  described in and which executed the foregoing
Agreement of Sale; and that he signed his name thereto by the order of the board
of directors of the said corporation.

                                                /s/ John A. Matthews, Jr.
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                           John A. Matthews, Jr.
                                                Notary Public, State of New York
                                                          No. 30-4738305
                                                      Qualified in Nassau County
                                                Commission Expires Nov. 30, 1997


STATE OF NEW YORK, COUNTY OF WESTCHESTER, SS.:

     On the 11 day of December, 1996, before me personally came Mark Gentile, to
me known, who being duly sworn, did depose and say that he resides at

               ; that he is the President of Northern Professional Associates, 
Inc. d/b/a/ Sportset-Syosset  Physical Therapy, the corporation described in and
which  executed the  foregoing  Agreement  of Sale;  and that he signed his name
thereto by the order of the board of directors of the said corporation.

                                                /s/ John A. Matthews, Jr.
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                           John A. Matthews, Jr.
                                                Notary Public, State of New York
                                                          No. 30-4738305
                                                      Qualified in Nassau County
                                                Commission Expires Nov. 30, 1997


                                       19


<PAGE>

STATE OF NEW YORK, COUNTY OF WESTCHESTER, SS.:

     On the 11 day of December, 1996, before me personally came Mark Gentile, to
me known, who being duly sworn, did depose and say that he resides at

               ; that he is the President of Southern  Professional  Associates,
Inc. d/b/a/ Atrium  Physical  Therapy,  the  corporation  described in and which
executed the foregoing Agreement of Sale; and that he signed his name thereto by
the order of the board of directors of the said corporation.

                                                /s/ John A. Matthews, Jr.
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                           John A. Matthews, Jr.
                                                Notary Public, State of New York
                                                          No. 30-4738305
                                                      Qualified in Nassau County
                                                Commission Expires Nov. 30, 1997


STATE OF NEW YORK, COUNTY OF WESTCHESTER, SS.:

     On the 11 day of December, 1996, before me personally came Mark Gentile, to
me known, who being duly sworn, did depose and say that he resides at

               ; that he is the President of Southern  Professional  Associates,
Inc. d/b/a/ Paerdegat Physical Therapy,  the corporation  described in and which
executed the foregoing Agreement of Sale; and that he signed his name thereto by
the order of the board of directors of the said corporation.

                                                /s/ John A. Matthews, Jr.
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                           John A. Matthews, Jr.
                                                Notary Public, State of New York
                                                          No. 30-4738305
                                                      Qualified in Nassau County
                                                Commission Expires Nov. 30, 1997


                                       20


<PAGE>

STATE OF NEW YORK, COUNTY OF WESTCHESTER, SS.:

     On the 11 day of December, 1996, before me personally Steven Rotwein, to me
known, who being duly sworn, did depose and say that he resides at

                                                  ; that he is the President of
Steven Rotwein,  P.T., P.C., the corporation described in and which executed the
foregoing Agreement of Sale; and that he signed his name thereto by the order of
the board of directors of the said corporation.

                                                /s/ John A. Matthews, Jr.
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                           John A. Matthews, Jr.
                                                Notary Public, State of New York
                                                          No. 30-4738305
                                                      Qualified in Nassau County
                                                Commission Expires Nov. 30, 1997


STATE OF NEW YORK, COUNTY OF WESTCHESTER, SS.:

     On  the 11 day  of  December,  1996,  before  me  personally  came  William
Kedersha,  to me known, who being duly sworn, did depose and say that he resides
at
                                               ; that he is the Chief Executive
Officer of Oak Tree Medical Management,  Inc., the corporation  described in and
which  executed the  foregoing  Agreement  of Sale;  and that he signed his name
thereto by the order of the board of directors of the said corporation.

                                                /s/ Frederick C. Veit
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                      FREDERICK C. VEIT
                                                Notary Public, State of New York
                                                          No. 4036646
                                                 Qualified in Westchester County
                                                Commission Expires Nov. 13, 1998


                                       21


<PAGE>

STATE OF NEW YORK, COUNTY OF WESTCHESTER, SS.:

     On the 11 day of December 1996, before me personally came William Kedersha,
to me known, who being duly sworn, did depose and say that he resides at

                                                ; that he is the Chief Executive
Officer of Oak Tree Medical  Systems,  Inc.,  the  corporation  described in and
which  executed the  foregoing  Agreement  of Sale;  and that he signed his name
thereto by the order of the board of directors of the said corporation.

                                                /s/ Frederick C. Veit
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                      FREDERICK C. VEIT
                                                Notary Public, State of New York
                                                          No. 4036646
                                                 Qualified in Westchester County
                                                Commission Expires Nov. 13, 1998


                                       22
<PAGE>


STATE OF NEW YORK, COUNTY  OF WESTCHESTER, SS.:

     On the 11 day of December, 1996, before me personally came Mark Gentile, to
me  known to be the  individual  described  in and who  executed  the  foregoing
Agreement of Sale, and acknowledged that he executed said Agreement of Sale.

                                                /s/ John A. Matthews, Jr.
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                           John A. Matthews, Jr.
                                                Notary Public, State of New York
                                                          No. 30-4738305
                                                      Qualified in Nassau County
                                                Commission Expires Nov. 30, 1997

STATE OF NEW YORK, COUNTY  OF WESTCHESTER, SS.:

                  On the day of December,  1996, before me personally came James
O'Neill,  to me known to be the  individual  described  in and who  executed the
foregoing Agreement of Sale, and acknowledged that he executed said Agreement of
Sale.

                                                /s/ John A. Matthews, Jr.
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                           John A. Matthews, Jr.
                                                Notary Public, State of New York
                                                          No. 30-4738305
                                                      Qualified in Nassau County
                                                Commission Expires Nov. 30, 1997


STATE OF NEW YORK, COUNTY  OF WESTCHESTER, SS.:

     On the 11 day of December,  1996, before me personally came Bernard Posner,
to me known to be the  individual  described in and who  executed the  foregoing
Agreement of Sale, and acknowledged that he executed said Agreement of Sale.

                                                /s/ John A. Matthews, Jr.
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                           John A. Matthews, Jr.
                                                Notary Public, State of New York
                                                          No. 30-4738305
                                                      Qualified in Nassau County
                                                Commission Expires Nov. 30, 1997


                                       23


<PAGE>


STATE OF NEW YORK, COUNTY  OF WESTCHESTER, SS.:

     On the 11 day of December, 1996, before me personally came Robert Einemann,
to me known to be the  individual  described in and who  executed the  foregoing
Agreement of Sale, and acknowledged that he executed said Agreement of Sale.

                                                /s/ John A. Matthews, Jr.
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                           John A. Matthews, Jr.
                                                Notary Public, State of New York
                                                          No. 30-4738305
                                                      Qualified in Nassau County
                                                Commission Expires Nov. 30, 1997


STATE OF NEW YORK, COUNTY  OF WESTCHESTER, SS.:

     On the 11 day of December,  1996, before me personally came Steven Rotwein,
to me known to be the  individual  described in and who  executed the  foregoing
Agreement of Sale, and acknowledged that he executed said Agreement of Sale.

                                                /s/ John A. Matthews, Jr.
                                                -------------------------------
                                                Notary Public
                                                My commission expires on

                                                           John A. Matthews, Jr.
                                                Notary Public, State of New York
                                                          No. 30-4738305
                                                      Qualified in Nassau County
                                                Commission Expires Nov. 30, 1997


                                       24


<PAGE>


                                   EXHIBIT A-1

                          Equipment and General Assets

         Business/Trade Names
         Attached Equipment Lists


                                       25


<PAGE>

                                   EXHIBIT A-2

                                    Furniture

                                    Fixtures

                                  Improvements


                                       26
<PAGE>



                                   EXHIBIT A-3

                                   The Leases


                                       22


<PAGE>

                                   EXHIBIT A-4

                         Contracts and Equipment Leases




                                       23


<PAGE>


                                   EXHIBIT A-5

               Bank Accounts, Safe Deposit Boxes, Lines of Credit
                     and Persons Authorized to Access Each


                                       24


<PAGE>

                                    EXHIBIT B

                              Promissory Note Terms

          Principal Amount:    $500,000.00

      Term:     Payable in quarterly installments, over three (3) years from
                date of closing.

      Interest: Simple  interest  at Twelve  and  One-Half  percent  (12.5%)
                interest per year.

      Collateral:  The assets of  Oak Tree Medical Management, Inc.

      Prepayment:   a)   No Penalty.

                    b)   An accelerated payment will be made, at the time of the
                         receipt   of   any   proceeds   from   any   investment
                         underwriting.  The  accelerated  payment amount may not
                         exceed five (5%) percent of such net proceeds  from the
                         underwriting(s). Such underwriting(s) must net at least
                         $500,000 for Purchaser.

                    c)   An accelerated payment will be make in any of the three
                         years  of the  Term,  if  the  total  combined  pre-tax
                         profits  of all four  facilities  acquired  under  this
                         Agreement exceeds $750,000 in any of the three years of
                         this Term.  Such payment  shall be ten (10%) percent of
                         such excess pre-tax profits.

     Equity  Conversion:  It is the  intention  of the  Parties to  convert  the
subject debt to a stock interest in the parent  company.  Sellers will cooperate
in this endeavor.


                                       30


<PAGE>



                                   EXHIBIT C

                              FINANCIAL STATEMENTS






                                     - 34 -


<PAGE>
                                    EXHIBIT D

                         PERFORMANCE INCENTIVE AGREEMENT

As additional  consideration  for the Covenants and Agreements  contained in the
Agreement of Sale between the  Parties,(the  "Agreement of Sale"),  it is agreed
that additional  incentive  payments will be made by Purchaser to Sellers,  when
certain financial  benchmarks (using Generally Accepted  Accounting  Principles)
are reached by the subject practices,  subsequent to closing on the Agreement of
Sale.  The  following  formulas  will  serve as the  basis  for  such  incentive
payments:

     (A)  Syosset;  at one (1) year from  closing,  for the calendar  year 1997,
          Sellers  will receive an  additional  payment  based on the  following
          formula:  One  Hundred  Twenty  percent  (120%) of  allocated  pre-tax
          profits  for 1997,  to be paid out in three  equal  installments  over
          three years.

     (B)  Atrium;  to the extent the practice  allocated  pre-tax profits exceed
          $250,000 within the first year of closing and $400,000 the second year
          (calendar years 1997 and 1998  respectively),  Sellers will receive an
          additional  payment of twenty (20%)  percent of such pre-tax  profits,
          for each year such excess  profits  exceed the minimum  levels  stated
          ($250,000 & $400,000  respectively).  Such  payments,  if any, will be
          made on the one and two year anniversaries of closing, respectively.

     (C)  Brooklyn;  to the extent the practice allocated pre-tax profits exceed
          $100,000  above  earnings  as of  closing,  Sellers  will be paid  ten
          percent (10%) of such excess.  Such earnings and payment, if any, will
          be determined at the end of each of the four calendar years  following
          Closing. 1997 will be the first year considered. The year 2000 will be
          the last year  considered.  Sellers will not be paid more than a total
          of $100,000 under this provision.

     (D)  If the total pre-tax  profits for all four of the New York  Facilities
          acquired under the Agreement of Sale exceeds a $750,000 benchmark base
          within any one (1) calendar  year during the three (3) calendar  years
          following the closing,  and while an employment  agreement  with is in
          effect with Mark Gentile,  then Sellers will receive ten (10%) percent
          of such  pre-tax  profits  which exceed  $750,000 for each  applicable
          year.  Payments,  if any,  will be made at the  close  of each  year's
          anniversary following closing.

     (E)  If Purchaser or its parent company, Oak Tree Medical Systems, Inc., is
          sold or  transferred  within  eighteen (18) months of the date of this
          Agreement, then a special "transfer incentive payment" will be made to
          Sellers.  Such payment will be made in the form of cash,  based on the
          following  formula,  but in no event  shall  such  payment  under this
          provision exceed Two Hundred Fifty Thousand dollars ($250,000):  


                                       32


<PAGE>

               1)a  At  the  time  of  Purchaser's  sale  or  transfer  within
                    eighteen (18) months,  in calculating  the maximum  transfer
                    incentive payment of $250,000.00,  the parties will consider
                    the  appreciation  of  the  Stock  transferred  pursuant  to
                    paragraph  3(e)  of the  subject  Agreement  of  Sale.  (the
                    "Stock").  If, on the date of Purchaser's  sale or transfer,
                    the Stock appreciated such that it is worth $900,000 or more
                    on the  date  of  Purchaser's  sale  or  transfer,  then  no
                    transfer incentive payment will be made hereunder.

                 b  If, on the date of Purchaser's  sale or transfer,  the Stock
                    appreciated  but it is worth less than  $900,000 on the date
                    of Purchaser's sale or transfer,  then a transfer  incentive
                    cash  payment  will be made to Sellers,  such that the total
                    value of the  Stock as of the date of sale or  transfer  and
                    the cash transfer incentive payment, will equal $900,000.

               2)   If, on the date of Purchaser's  sale or transfer,  the Stock
                    has depreciated in value below $650,000 then a cash transfer
                    incentive  payment  will be made to Sellers in the amount of
                    $250,000.

               3)   Any cash transfer  incentive  payments made hereunder  shall
                    never exceed  twenty (20%) percent of any cash payments made
                    to Purchasers or its Parent, Oak Tree Medical Systems, Inc.,
                    under the terms of a sale or transfer  made within  eighteen
                    (18) months of this Agreement

               4)   No cash transfer  incentive  payments will be made hereunder
                    unless  the  pre-tax  profits  for all  four of the New York
                    Facilities  acquired  under the  Agreement of Sale equals or
                    exceeds $550,000 per year, (prorata) for the eighteen months
                    from  the  date  of  this  Agreement,  or  as  pro-rated  if
                    Purchaser is sold or transferred within one (1) year.

     (F)  Purchaser  will have up to Sixty  (60) days after the end of any year,
          within which to calculate any payments due sellers here under.

     (G)  Pretax  profits  shall be  determined  in  accordance  with  generally
          accepted accounting principles, and shall include all operating income
          of the respective facilities less all direct,  indirect, and allocable
          expenses.  Allocable  expenses  shall  include  an  allocation  of all
          corporate  office  (Oak Tree  Medical  Systems,  Inc.  and  Purchaser)
          payroll,  rent,  office,  and other operating  expenses which shall be
          allocated  based  upon the  relative  time  input of  employee  and/or
          relative  operating  revenue  of  the  respective  facilities  to  all
          facilities.   Allocable  costs  shall  not  include  any  interest  on
          corporate  debt  (except  with  respect to  equipment  utilized at the
          facility),  and  amortization  of goodwill.  All  allocations  will be
          determined in accordance with the Corporation's allocation procedures.


                                       33

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




                                AGREEMENT OF SALE

                             dated December 11, 1996

                                     between

                       Steven Rotwein, P.T., P.C., Seller

                                       and

                           New Medical Practice, P.C.

                                    Purchaser

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


<PAGE>


                                AGREEMENT OF SALE
                                -----------------

AGREEMENT OF SALE,  made December 11, 1996,  among STEVEN  ROTWEIN,  P.T.,  P.C.
("Seller"),  the Specialist Provider, billing entity and Medical Manager at each
of the physical therapy business locations of Sportset Physical Therapy, located
at 70 Maple Avenue, Rockville Centre, New York 11570,  Sportset-Syosset Physical
Therapy located at 10 Gordon Drive, Syosset, New York 11791,  Paerdegat Physical
Therapy  located at 1500 Paerdegat  Avenue North,  Brooklyn,  New York 11236 and
Atrium Physical Therapy located at 235 Mill Street,  Laawrence,  New York 11559,
and New Medical Practice, P.C., a New York Professional  Corporation,  having an
address at 2 Gannett Drive Suite 215, White Plains, NY 10604 ("Purchaser").

                              W I T N E S S E T H:
                              --------------------

WHEREAS, Purchaser desires to acquire, and Seller desires to sell, the assets of
the corporation Steven Rotwein, P.T., P.C. located at each of the four (4) sites
noted above,  such  corporation  doing business as noted herein and  hereinafter
specified, upon the terms and conditions hereinafter set forth, and

WHEREAS, Steven Rotwein is the sole shareholder of Seller,

WHEREAS,  Steven Rotwein,  P.T., P.C. is the Specialist  Provider billing entity
and medical manager of the business locations,

NOW, THEREFORE,  in consideration of the covenants and agreements  hereafter set
forth,  and other valuable  consideration,  the receipt and sufficiency of which
hereby is acknowledged, the parties hereto agree as follows:

1. Agreement To Sell. Seller agrees to sell,  transfer and deliver to Purchaser,
and Purchaser agrees to purchase,  upon the terms and conditions hereinafter set
forth, all of the assets of the four (4) businesses of Seller as noted herein.

2. The Assets of the  Corporation.  It is the  understanding of the parties that
Seller is the owner of the following assets (the "Assets"):

     (a)  the equipment and general assets  including  patient files,  goodwill,
          name and records  acquired  or owned by the  business on or before the
          closing date (the "General Assets");

     (b)  the provider agreements noted in Exhibit A-1;

     (c)  the equipment  leases,  contracts and agreements  described in Exhibit
          A-2 hereto (the "Contracts");


                                       2


<PAGE>

     (d)  the   Contractual   Rights  which  seller  has  with  the   Management
          Corporations at each of the four (4) locations;

Notwithstanding  anything  to the  contrary  contained  herein,  there  shall be
excluded from the Assets, all cash on hand and in Seller's bank accounts and all
patient receivables.

3.  Purchase  Price.  The purchase  price to be paid by Purchaser is Twenty Five
Thousand Dollars ($25,000) payable as follows:

     (a)  Five Thousand Dollars ($5,000) at the closing.
     (b)  Twenty Thousand Dollars ($20,000) on January 1, 1997

         -

4. The Closing.  The "closing" means the settlement of the obligations of Seller
and Purchaser to each other under this  agreement,  including the payment of the
purchase price to Seller as provided in Article 3 hereof and the delivery of the
closing documents provided for in Article 5 hereof. The closing shall be held at
the offices of Purchaser and shall take place on or about  December 5, 1996 (the
"closing date").

5.  Closing  Documents.  At the  closing  Sellers  shall  execute and deliver to
Purchaser:

     (a)  certified copies of resolutions duly adopted by the Board of Directors
          and  Shareholder of Seller  authorizing the sale of the Assets and the
          performance  by Seller of its  obligations  hereunder  

     (b)  an opinion of  Seller's  counsel,  Gallagher  & Matthews of 11 Clinton
          Avenue,  Rockville  Center,  NY 11570 dated as of the closing date, in
          form and substance  satisfactory to Purchaser's counsel,  stating such
          counsel's  opinion that: (i)  Corporation is duly  organized,  validly
          existing and in good standing under the laws of New York;  (ii) Seller
          has full power and authority,  corporate and otherwise,  to enter into
          this  agreement  and  perform  its  obligations  hereunder;  (iii) the
          execution and delivery of this agreement and the performance by Seller
          of its obligations hereunder have been duly authorized by the Board of
          Directors and  Shareholder of Seller and no further action or approval
          is  required  in order to  constitute  this  agreement  as the binding
          obligation of Seller, enforceable in accordance with its terms, except
          as enforceability may be limited by bankruptcy, moratorium, insolvency
          or  other  laws  affecting  creditor's  rights  generally;   (iv)  the
          execution and delivery of this agreement and the performance by Seller
          of its obligations hereunder do not and will not violate any provision
          of the  Certificate  of  Incorporation  or Bylaws of  Seller;  and (v)
          except  as may be set forth in this  agreement,  such  counsel  is not
          representing  Seller in any suit,  action or  proceeding  against them
          which, if adversely determined, would prohibit the consummation of the
          transactions  contemplated by this agreement,  nor is counsel aware of
          any other  


                                        3


<PAGE>

          suits, actions or proceedings which would affect this transaction.


     (c)  the  Certificate of  Incorporation,  Bylaws,  filing receipt and other
          organizational  documents of Seller; any bills,  vouchers, and records
          showing the ownership of the Assets used in the  operations of Seller;
          and all other  books of  account,  records  and  contracts  of Seller;
          appropriate   documentation   evidencing  the  Management   Companies'
          relationship with Seller and the Assets,  including such documentation
          as is required to transfer Seller's interest in such Assets,

     (d)  Restrictive Covenant as enumerated in Article Nine (9),

     (e)  Statement  executed by Seller,  releasing and  indemnifying  Purchaser
          from any and all  obligations  and  liabilities of Seller,  other than
          those specifically assumed herein,

     (f)  such  other   instruments   and  information  in  form  and  substance
          satisfactory to Purchaser's attorneys as may be necessary or proper to
          transfer to Purchaser good and marketable title to all other ownership
          interests in the Assets to be transferred under this agreement.

At the closing Seller shall deliver to Purchaser all keys for the businesses. If
any keys for the  businesses  or Assets are held by employees or others,  Seller
shall identify such individuals,  their addresses and their  relationship to the
Seller.  Seller  shall do all further  acts and things as may be  necessary,  or
reasonably requested by Purchaser,  to consummate the transactions  contemplated
by this  agreement,  including the  acquisition of and possession of the Assets.
Seller shall advise  Purchaser of, and cause to be delivered to  Purchaser,  all
applicable trade secrets and proprietary information pertaining to the Assets of
the businesses.

Except as expressly provided herein,  Purchaser shall not be obligated to pay or
perform  any  obligations  or  liabilities  of  or  Seller   including   without
limitation,  obligations or liabilities of Seller to its creditors or any legal,
accounting,  brokerage  or  finder's  fees or any  taxes  or other  expenses  in
connection  with  this  agreement  or  the   consummation  of  the  transactions
contemplated hereby.

Purchaser shall execute and deliver to Seller:

Reciprocal  documentation  and Counsel opinion,  as noted in sub paragraphs (a),
(b), (c) above.

6. Representations And Warranties Of Sellers.  Seller represents and warrants to
Purchaser as follows:

     (a)  Seller is a corporation  duly organized and validly existing under the
          laws of New York,  and is duly  qualified  to do business in New York.
          Seller  has full  power and  authority  to own its  properties  and to
          conduct its businesses as now carried on, and


                                       4


<PAGE>

          to carry out and perform its  undertakings and obligations as provided
          herein. The execution and delivery by Seller of this agreement and the
          consummation of the  transactions  contemplated  herein have been duly
          authorized  by the Board of Directors  and  Shareholder  of Seller and
          will not conflict with or breach any provision of the  Certificates of
          Incorporation  or Bylaws of Seller,  and do not and will not  conflict
          with or result in any  breach of any  condition  or  provision  of, or
          constitute a default under, or result in the creation or imposition of
          any  lien,  charge  or  encumbrance  upon the  Assets by reason of the
          provisions  of any contract,  lien,  lease,  agreement,  instrument or
          judgment  to which  Seller is a party,  or which are or  purport to be
          binding  upon Seller or which  affect or purport to affect the Assets.
          No further action or approval,  corporate or otherwise, is required in
          order  to  constitute  this  agreement  the  binding  and  enforceable
          obligation of Seller.

     (b)  No action,  approval,  consent  or  authorization,  including  without
          limitation  any  action,  approval,  consent or  authorization  of any
          governmental or quasi-governmental agency,  commission,  board, bureau
          or  instrumentality,  is  necessary  for  Seller  to  constitute  this
          agreement  the  binding  and  enforceable  obligation  of Seller or to
          consummate the transactions contemplated hereby.

     (c)  Seller  is the  owner  of and has  good  and  marketable  title to the
          Assets,  free of all  liens,  claims and  encumbrances,  except as set
          forth herein.

     (d)  There are no violations,  potential  claims of violations or questions
          of irregularity  regarding any law or governmental  rule or regulation
          pending  or, to the best of  Seller's  knowledge,  threatened  against
          Seller,  or  the  Assets.  Seller  has  complied  with  all  laws  and
          governmental rules and regulations applicable to the businesses or the
          Assets. Seller has duly notified all insurance carriers or third party
          payers of any suspected or known claims or potential  claims which may
          be asserted against Seller or the Assets.

     (e)  There are no judgments,  liens, suits,  actions or proceedings pending
          or, to the best of Seller's  knowledge,  threatened against Seller, or
          the Assets.  Neither  Seller nor the Assets are a party to, subject to
          or bound by any  agreement  or any  judgment  or decree of any  court,
          governmental  body  or  arbitrator  which  would  conflict  with or be
          breached by the execution,  delivery or performance of this agreement,
          or which could prevent the carrying out of the  transactions  provided
          for in this agreement,  or which could prevent the use by Purchaser of
          the Assets or  adversely  affect  the  conduct  of the  businesses  by
          Purchaser.

     (f)  Seller has not entered  into,  and the Assets are not subject to, any:
          (i) written  contract or agreement for the  employment of any employee
          of the business;  (ii)  contract with any labor union or guild;  (iii)
          pension, profit-sharing, retirement, bonus, insurance, or similar plan
          with respect to any employee of the business; or


                                       5


<PAGE>

          (iv)  similar  contract  or  agreement  affecting  or  relating to the
          Assets.

     (g)  At the time of the  closing,  there will be no (secured or  unsecured)
          creditors of Seller.  General business creditors and equipment lessors
          are listed in Exhibit A-3 attached hereto. Except as set forth herein,
          Seller shall be liable for all other  obligations  incurred by Sellers
          prior to closing.

     (h)  Identified Contracts and Equipment Leases are in full force and effect
          and  without any  default by Seller or  thereunder.  All copies of the
          Contracts  and Leases  provided  by Seller to  Purchaser  are true and
          complete  copies of the  original  Contracts.  Seller is not  indebted
          under any executory Contracts or Leases, except as may be set forth in
          Exhibit A-3 hereto.

     (i)  Seller has filed each tax return,  including  without  limitation  all
          income, excise,  property,  capital gain, sales, franchise and license
          tax returns,  required to be filed by Seller prior to the date hereof.
          Each such return is true,  complete and  correct,  and Seller has paid
          all  taxes,  assessments  and  charges of any  governmental  authority
          required  to be  paid  by  them  and  have  created  reserves  or made
          provision for all taxes accrued but not yet payable.  No government is
          now asserting,  or to Seller's  knowledge  threatening to assert,  any
          deficiency  or  assessment  for  additional  taxes  or  any  interest,
          penalties  or fines  with  respect  to Seller.  Seller's  federal  tax
          identification   numbers  is  _________________.   Seller  shall  hold
          Purchaser  harmless  and  indemnify  Purchaser  against all claims for
          taxes due from and owed by Seller.

At the closing  Seller shall execute and deliver an affidavit  setting forth the
above representations as of the date of the closing.

7.  Representations  And  Warranties  Of  Purchaser.  Purchaser  represents  and
warrants to Seller as follows:

     (a)  Purchaser is a corporation  organized  under the laws of New York, and
          is duly qualified to do business in New York. Purchaser has full power
          and  authority  to  carry  out  and  perform  its   undertakings   and
          obligations  as  provided  herein.   The  execution  and  delivery  by
          Purchaser of this agreement and the  consummation of the  transactions
          contemplated  herein  have  been  duly  authorized  by  the  Board  of
          Directors  of  Purchaser  and will not  conflict  with or  breach  any
          provision of the Certificate of  Incorporation or Bylaws of Purchaser.
          No further action or approval,  corporate or otherwise, is required in
          order  to  constitute  this  agreement  the  binding  and  enforceable
          obligation of Purchaser.

     (b)  No action,  approval,  consent  or  authorization,  including  without
          limitation  any  action,  approval,  consent or  authorization  of any
          governmental or quasi-


                                       6


<PAGE>

          governmental agency, commission, board, bureau or instrumentality,  is
          necessary for Purchaser to constitute  this  agreement the binding and
          enforceable  obligation of Purchaser or to consummate the transactions
          contemplated hereby.

     (c)  There are no violations,  potential  claims of violations or questions
          of irregularity  regarding any law or governmental  rule or regulation
          pending or, to the best of Purchaser's  knowledge,  threatened against
          Purchaser. Purchaser has complied with all laws and governmental rules
          and  regulations  applicable  to  the  business.  Purchaser  has  duly
          notified all insurance carriers or third party payers of any suspected
          or known  claims or  potential  claims  which may be asserted  against
          Purchaser.

     (d)  There are no judgments,  liens, suits,  actions or proceedings pending
          or,  to  the  best  of  Purchaser's   knowledge,   threatened  against
          Purchaser.  Purchaser  is not a party to,  subject  to or bound by any
          agreement or any judgment or decree of any court, governmental body or
          arbitrator  which would conflict with or be breached by the execution,
          delivery or performance of this agreement,  or which could prevent the
          carrying out of the transactions provided for in this agreement.

     (e)  Purchaser has filed each tax return,  including without limitation all
          income, excise,  property,  capital gain, sales, franchise and license
          tax  returns,  required  to be  filed by  Purchaser  prior to the date
          hereof. Each such return is true, complete and correct,  and Purchaser
          has  paid all  taxes,  assessments  and  charges  of any  governmental
          authority  required  to be paid by them and have  created  reserves or
          made  provision  for  all  taxes  accrued  but  not  yet  payable.  No
          government is now asserting,  or to Purchaser's  knowledge threatening
          to assert,  any deficiency or assessment  for additional  taxes or any
          interest,  penalties or fines with respect to  Purchaser.  Purchaser's
          federal tax  identification  numbers is  _________________.  Purchaser
          shall hold Seller harmless and indemnify Seller against all claims for
          taxes due from and owed by Purchaser.

8.  Conditions To Closing.  The  obligations of Purchaser to close hereunder are
subject to the following conditions:

     (a)  All of the terms,  covenants  and  conditions  to be complied  with or
          performed  by Seller  under this  agreement  on or before the  closing
          shall have been complied with or performed in all material respects.

     (b)  All  representations  or  warranties  of Seller herein are true in all
          material  respects as of the closing date.  Such  representations  and
          warranties shall also survive closing.

     (c)  Satisfactory results of financial audit, as required by Purchaser.

     (d)  All Assets are in good working order, as applicable.


                                       7

<PAGE>

     (e)  On the closing date,  there shall be no liens or encumbrances  against
          the Assets, except as provided for herein.

     (f)  The  businesses  of Seller have been  conducted  only in the  ordinary
          course of business.  No contracts or purchase  agreements/orders  will
          have been entered into, other than in the ordinary course of business.
          No expenditures or credit  purchases will be made by Seller other than
          in the ordinary course of business.

     (g)  Seller, and its representatives and advisors will supply, upon request
          by Purchaser and its  representatives,  such pertinent  information as
          may be required  by  Purchaser  in order to conduct its due  diligence
          survey of  Seller.  It is agreed  that any  documents  or  information
          provided hereunder shall be kept in full and complete confidence.

If this  agreement  is  terminated  as provided  above in this Article 9, Seller
shall  return any payments  made by Purchaser on account of the purchase  price,
whereupon  all  rights  of  Purchaser  hereunder  and  to the  businesses  shall
terminate, and neither Seller nor Purchaser shall have any further claim against
the other hereunder.

9.  Restrictive  Covenant Not to Compete.  Seller will not, for a period of four
(4) years from the date of closing, either directly or indirectly, engage in the
management  or practice of physical  therapy or related  services,  within lower
Westchester  County,  NY (up to and  including  latitude of White  Plains,  NY),
Fairfield  County,  CT and  within a ten (10) mile  radius of  Seller's  current
addresses as listed herein.  Sellers shall execute at closing, such documents as
will  evidence  this  surviving  provision.  To the extent a court of  competent
jurisdiction determines this provision to be too restrictive,  the Parties agree
to abide by any modification acceptable to such court.

10.  Indemnification.  Each  party  hereto  shall  indemnify  and hold the other
parties harmless from and against all liability, claim, loss, damage or expense,
including  reasonable  attorneys' fees,  incurred or required to be paid by such
other parties by reason of any breach or failure of observance or performance of
any representation,  warranty,  covenant or other provision (including lists and
Exhibits) of this  agreement  by such party.  Seller  shall  indemnify  and hold
Purchaser harmless against all actions, suits, proceedings, judgments, costs and
expenses  incurred by or levied against  Purchaser,  due to Seller's prior acts,
omissions,  negligence or other wrongful conduct.  Purchaser shall indemnify and
hold Seller harmless against all actions, suits, proceedings,  judgments,  costs
and expenses  incurred by or levied against  Seller,  due to  Purchaser's  acts,
omissions, negligence or other wrongful conduct.

11.  Risk  Of  Loss.  The  risk of loss to the  Assets  of the  businesses  sold
hereunder,  until the closing,  is assumed and shall be borne by Seller.  Seller
agrees to keep all of its Assets fully insured against any loss, either by fire,
theft or casualty,  to the date of closing.  In the event that prior to closing,
such Assets are  totally or  substantially  damaged by reason of fire,  theft or
casualty,   Purchaser  may,  in  its  sole  discretion,   terminate  the  within
transaction.  In such  case,  all  money  heretofore  deposited  


                                       8


<PAGE>

with Seller or Seller's  representative  shall be refunded to Purchaser  and the
parties shall be released from any further liability hereunder. If the Purchaser
elects to consummate this transaction  despite such loss or damage, it may do so
by paying the purchase price set forth herein, reduced by any insurance proceeds
received by Seller.

12. Brokerage.  The parties hereto represent and warrant to each other that they
have not dealt with any broker or finder in connection with this agreement other
than American  Health  Resources,  LLC.  Purchaser  and Seller shall  indemnify,
defend and hold each other  harmless from and against any loss,  cost,  expense,
claim or liability (including,  without limitation,  reasonable attorney's fees)
arising  under or in  respect  of any  claim by any  person  or  entity  for any
commission,  fee or expense in respect of the  transaction  contemplated by this
Agreement,  where  such  claim is based in whole or in part  upon any act of the
indemnifying party or its representatives.  The provisions of this Article shall
survive the expiration, termination or cancellation of this Agreement, but shall
not be construed as a covenant for the benefit of any third party.

13. Individual Seller. Steven Rotwein hereby confirms all of the representations
and  warranties  contained  herein,  and agrees to indemnify and hold  Purchaser
harmless from and against  misrepresentation or breach of any warranty by Seller
or any  breach  or  failure  by Seller to  comply  with any  term,  covenant  or
condition of this agreement.  Shareholder represents and warrants that he is the
shareholder of Seller, and that he has full power and authority to carry out and
perform the undertakings and obligations as provided herein.  Shareholder agrees
as aforesaid  to induce  Purchaser  to enter into this  agreement.  No action or
inaction of Seller or Purchaser,  including the giving of notices, shall affect,
change or discharge the obligations of the Purchaser's Guarantor hereunder.

14. Notices. All notices, demands and other communications required or permitted
to be given  hereunder  shall be in  writing  and  shall be  deemed to have been
properly given if delivered by hand or by registered or certified  mail,  return
receipt  requested,  with postage prepaid,  to Seller's  attorneys,  Gallagher &
Matthews at 11 Clinton Avenue,  Rockville  Center,  NY 11570, and to Purchaser's
attorney,  Frederick C. Veit,  Esq., at 2 Gannett Drive Suite 215, White Plains,
NY 10604. The respective attorneys for the parties hereby are authorized to give
any notice  required or permitted  hereunder and to agree to adjournments of the
closing.

15. Survival.  The representations,  warranties and covenant contained herein or
in any document,  instrument,  certificate  or schedule  furnished in connection
herewith  shall  survive the delivery of the Bill of Sale and shall  continue in
full force and effect after the closing, except to the extent waived in writing.

16. Further Assurances. In connection with the transactions contemplated by this
agreement,  the parties  agree to execute and deliver such further  instruments,
and to take such further  actions,  as may be reasonably  necessary or proper to
effectuate and carry out the transactions contemplated in this agreement.


                                       9


<PAGE>

17.  Changes  Must Be In  Writing.  No delay or  omission  by  either  Seller or
Purchaser in exercising any right shall operate as a waiver of such right or any
other right.  This  agreement may not be altered,  amended,  changed,  modified,
waived or terminated  in any respect or  particular  unless the same shall be in
writing  signed by the party to be bound.  No waiver by any party of any  breach
hereunder shall be deemed a waiver of any other or subsequent breach.

18.  Captions And Exhibits.  The captions in this agreement are for  convenience
only and are not to be  considered in construing  this  agreement.  The Exhibits
annexed to this  agreement  are an integral  part of this  agreement,  and where
there is any  reference  to this  agreement  it shall be deemed to include  said
Exhibits.

19.  Governing  Law.  This  agreement  shall be  governed  by and  construed  in
accordance with the laws of the State of New York.

20.  Binding  Effect.  This  agreement  shall be  binding  upon and inure to the
benefit  of  the  parties  hereto  and  their   respective   heirs,   executors,
administrators, successors and assigns.

21. Cancellation. Purchaser reserves the right to cancel this Agreement, without
penalty, if any negative disclosure is discovered  regarding Seller,  Rotwein or
their  Assets,  which  would  materially  affect the value of  Seller's  Assets.
Purchaser forfeits all rights to cancel, subsequent to actual closing.

22. Confidentiality.  Each party acknowledges and agrees that any information or
data it has acquired from the other party, not otherwise  properly in the public
domain,  was received in  confidence.  Each party hereto  agrees not to divulge,
communicate or disclose, except as may be required by law or for the performance
of this  Agreement  (including  conducting  due diligence or notifying a party's
lender),  or use to the detriment of the disclosing  party or for the benefit of
any other person or persons, or misuse in any way, any confidential  information
of the disclosing  party  concerning  the subject  matter hereof,  including any
trade or business  secrets of the disclosing party and any technical or business
materials  that  are  treated  by  the  disclosing   party  as  confidential  or
proprietary,  including without limitation information (whether in written, oral
or machine readable form) concerning:  general business  operations:  methods of
doing business,  servicing clients, client relations,  and of pricing and making
charge for  services  and  products;  financial  information,  including  costs,
profits and sales; marketing strategies;  business forms developed by or for the
disclosing party; names of suppliers,  personnel, clients and potential clients;
negotiations or other business contacts with suppliers,  personnel,  clients and
potential  clients;  form and  content of bids,  proposals  and  contracts;  the
disclosing party's internal  reporting methods;  technical and business data and
documentation;  software programs, however embodied;  diagnostic techniques; and
information  obtained by or given to the disclosing  party about or belonging to
third parties.


                                       10


<PAGE>

IN WITNESS  WHEREOF,  the parties have  executed  this  agreement the date first
above written.

SELLER:

STEVEN ROTWEIN, P.T., P.C.

ATTEST:

                                            By /s/ Steven Rotwein
                                               ------------------
                                                   Steven Rotwein

By /s/
- ---------------------------
        Secretary

PURCHASER:

OAK TREE MEDICAL MANAGEMENT, INC.

ATTEST:

                                            By /s/ 
                                               ------------------
                                                      President
By /s/
- ---------------------------
        Secretary

SHAREHOLDER:

                                            By /s/ Steven Rotwein
                                               ------------------
                                                   Steven Rotwein



                                       11


<PAGE>



STATE OF NEW YORK, COUNTY OF WESTCHESTER, SS.:

On the   day of November, 1996, before me personally came Steven Rotwein, to me
known, who being duly sworn, did depose and say that he resides at

                      ; that he is the President  Steven Rotwein,  P.T.,  P.C.,

the corporation described in and which executed the foregoing Agreement of Sale;
and that he signed his name  thereto by the order of the board of  directors  of
the said corporation.

                                                 /s/
                                              -------------------------------
                                                Notary Public
                                                My commission expires on


STATE OF NEW YORK, COUNTY OF WESTCHESTER, SS.:

On the day of November,  1996, before me personally came William Kedersha, to me
known, who being duly sworn, did depose and say that he resides at

                                   ;that he is the President of Oak Tree Medical

Management,  Inc. the corporation  described in and which executed the foregoing
Agreement of Sale; and that he signed his name thereto by the order of the board
of directors of the said corporation.

                                                 /s/
                                              -------------------------------
                                                Notary Public
                                                My commission expires on


STATE OF NEW YORK, COUNTY  OF WESTCHESTER, SS.:

              On the     day of November, 1996, before me personally came Steven
Rotwein,  to me known to be the  individual  described  in and who  executed the
foregoing Agreement of Sale, and acknowledged that he executed said Agreement of
Sale.

                                                 /s/
                                              -------------------------------
                                                Notary Public
                                                My commission expires on


                                       12


<PAGE>

                                   EXHIBIT A-1

                               Provider Agreements


                                       12


<PAGE>

                                   EXHIBIT A-2

                          Equipment, Leases, Contracts


                                       13

                                Frederick C. Veit
                                 ATTORNEY AT LAW
                                21 GORDON AVENUE
                        BRIARCLIFF MANOR, NEW YORK 10510

Admitted to NY, NJ, CT & DC Bars                        Telephone (914) 762-8824
                                                           Fax    (914) 923-1744

John Matthews, Esq.                                           December 26, 1996
Gallagher & Matthews
11 Clinton Avenue
Rockville Centre, NY  11570

Re:  Modification of Agreement of Sale dated December 11, 1996,  between Sellers
Southern Professional Associates,  Inc., Northern Professional Associates, Inc.,
Maple Health, Inc., Shareholders Gentile,  O'Neill,  Einemann and Posner and Oak
Tree Medical Management, Inc., Purchaser

Dear Mr. Matthews:

Pursuant  to our  clients'  agreement  to modify  the  terms of the above  noted
Agreement of Sale, I have enclosed a new  Promissory  Note and four (4) original
copies of the Security Agreement. The terms of the original Promissory Note have
changed such that instead of borrowing  $500,000.00 Oak Tree Medical  Management
is borrowing  $300,000.00 with the balance of $200,000.00  being paid to Sellers
in the form of Oak Tree Medical  Systems,  Inc.  stock.  Also,  Oak Tree Medical
Management,  Inc.  will be paying  $14,735.81  per month for  twenty  three (23)
months in order to retire the Note. You should hold the new  Promissory  Note in
escrow until the original Note ($500,000) is returned to me.

Please have your clients sign all four  originals of the Security  Agreement and
return  two (2) fully  executed  originals  to me.  You  should  also hold these
Security Agreements in escrow until the former originals are returned to me.

As concerns the stock, Oak Tree Medical  Systems,  Inc. will issue 33,333 shares
of its common stock to Sellers in satisfaction of Oak Tree Medical  Management's
remaining  $200,000.00  obligation to Sellers.  If during the next eighteen (18)
months from December 11, 1996, the common stock reaches a trading price of seven
($7.00)  dollars  per share or more,  and remains at that level for at least one
full business week (M-F) during the eighteen month term,  then the 33,333 shares
of the common  stock issued will have  satisfied  the  $200,000.00  balance due,
under the terms of the Agreement of Sale.


<PAGE>


If,  during the eighteen  (18) month term,  the common  stock never  reaches the
seven ($7.00) dollar per share threshold for one week, then an additional  8,772
shares of Oak Tree Medical Systems,  Inc. common stock will be issued to Sellers
in satisfaction of the purchase price balance of $200,000.00.

Please  acknowledge,  on  behalf  of your  clients,  your  agreement  with  this
modification of the Agreement of Sale terms, as contained herein.

Most Sincerely,

/s/ Frederick C. Veit
- ---------------------
Frederick C. Veit


                                                      _______________________
                                                         John Matthews, Esq.


                                                                      EXHIBIT 99

FOR IMMEDIATE RELEASE                            CONTACT
                                                 WILLIAM KEDERSHA, CEO
                                                 OAK TREE MEDICAL SYSTEMS, INC.
                                                 (914) 694-2500


OAK TREE MEDICAL SYSTEMS, INC. CONCLUDES PURCHASE OF FOUR LONG
ISLAND, NY BASED PHYSICAL THERAPY FACILITIES

WHITE  PLAINS,  NEW YORK,  December 12,  1996--Oak  Tree Medical  Systems,  Inc.
(MOAK:BB) announced completion of its acquisition of four Long Island, NY, based
physical  therapy  Facilities,  located  in  Brooklyn,  Syosset,  Lawrence,  and
Rockville  Centre,  and one  medical  billing  company  with  gross  billing  of
approximately  $3 million.  The four clinics  produced  profits of approximately
$550,000  in the most recent  fiscal  year.  The assets and  related  management
contracts were acquired for $1.5 million in cash and stock.

Commenting on the transaction,  William Kedersha, Chief Executive Officer of the
Company, said: "With this acquisition,  Oak Tree Medical Systems, Inc. continues
its  growth  strategy  in the New  York  Metropolitan  area."  The  Long  Island
purchases enhance the company's New York holdings,  bringing the total number of
physical therapy/physical rehabilitation facilities to eleven.

Oak  Tree  Medical  Systems,   Inc.   operates   physical  therapy  clinics  and
comprehensive outpatient rehabilitation  facilities, and manages related medical
practices, in Florida and New York.




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