HCIA INC
S-3, 1996-11-18
COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
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As filed with the Securities and Exchange Commission on November 18, 1996
                                            Registration No. 333-________



                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM S-3
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933

                              -------------------

                                   HCIA INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

<TABLE>
<S><C>
          MARYLAND                              7389                    52-1407998
(State or other jurisdiction of    (Primary Standard Industrial     (I.R.S. Employer
 incorporation or organization)     Classification Code Number)    Identification No.)
</TABLE>

                            300 EAST LOMBARD STREET
                           BALTIMORE, MARYLAND 21202
                                 (410) 895-7470
    (address, including zip code, and telephone number, including area code,
                  of Registrant's principal executive offices)
                              -------------------

                         CHARLES A. BERARDESCO, ESQUIRE
                   SENIOR VICE PRESIDENT AND GENERAL COUNSEL
                                   HCIA INC.
                            300 EAST LOMBARD STREET
                           BALTIMORE, MARYLAND 21202
                                 (410) 895-7470
 (NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE,
                             OF AGENT FOR SERVICE)
                        COPIES OF ALL COMMUNICATIONS TO:

                          FRANK S. JONES, JR., ESQUIRE
                            D. SCOTT FREED, ESQUIRE
                       WHITEFORD, TAYLOR & PRESTON L.L.P.
                            SEVEN SAINT PAUL STREET
                           BALTIMORE, MARYLAND 21202
                                 (410) 347-8707

        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:

As soon as practicable after the effective date of this Registration Statement.

If the only securities  being registered on this Form are being offered pursuant
to dividend or interest reinvestment plans, please check the following box. [ ]

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

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

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

If delivery of the  prospectus  is expected to be made  pursuant to Rule 434
under the  Securities  Act,  please check the following box. [ ]

<PAGE>


                        CALCULATION OF REGISTRATION FEE

<TABLE>
                                                       Proposed Maximum        Proposed Maximum          Amount of
  Title of Each Class of          Amount To Be        Offering Price Per      Aggregate Offering       Registration
Securities To Be Registered       Registered(1)           Share(1)                 Price(1)               Fee(1)
<S><C>
Common Stock, $.01 par value        276,265(2)             $27.625                $7,631,821              $2,313
</TABLE>


(1)  Estimated  solely for purposes of calculating the registration fee pursuant
     to Rule 457(c) under the Securities  Act of 1933, as amended,  and based on
     the average of the high and low sales  price per share of HCIA Inc.  Common
     Stock on the Nasdaq National Market on November 12, 1996.

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



<PAGE>


INFORMATION   CONTAINED  HEREIN  IS  SUBJECT  TO  COMPLETION  OR  AMENDMENT.   A
REGISTRATION  STATEMENT  RELATING  TO THESE  SECURITIES  HAS BEEN FILED WITH THE
SECURITIES  AND EXCHANGE  COMMISSION.  THESE  SECURITIES MAY NOT BE SOLD NOR MAY
OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION  STATEMENT  BECOMES
EFFECTIVE.  THIS  PROSPECTUS  SHALL  NOT  CONSTITUTE  AN  OFFER  TO  SELL OR THE
SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE  SECURITIES
IN ANY STATE IN WHICH SUCH OFFER,  SOLICITATION  OR SALE WOULD BE UNLAWFUL PRIOR
TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH STATE.

                             SUBJECT TO COMPLETION
                 PRELIMINARY PROSPECTUS DATED ___________, 1996

PROSPECTUS

                                 276,265 Shares
                                  [HCIA Logo]
                                  Common Stock

         The  shares of common  stock,  par value  $.01 per share  (the  "Common
Stock"),  of HCIA Inc. ("HCIA" or the "Company") which may be offered hereby are
being sold by certain  stockholders of the Company (the "Selling  Stockholders")
who received such shares in connection  with the  Company's  acquisition  of LBA
Health Care Management,  Inc. ("LBA").  See "Selling  Stockholders." The Company
will not receive any of the proceeds from the sale of the shares of Common Stock
offered hereby. The Selling Stockholders received such shares of Common Stock in
a private placement  transaction and the Company has agreed to file and maintain
a shelf  registration  statement  relating to such shares in order to permit the
Selling Stockholders to resell such shares from time to time.

         The Common Stock of the Company is traded on the Nasdaq National Market
("NASDAQ")  under the symbol  "HCIA." On November  13, 1996,  the last  reported
sales price for the Company's Common Stock on NASDAQ was $28 1/2 per share.

                              -------------------


SEE  "RISK  FACTORS"  BEGINNING  ON  PAGE  5  OF  THIS  PROSPECTUS  FOR  CERTAIN
INFORMATION  THAT SHOULD BE CONSIDERED BY  PROSPECTIVE  PURCHASERS OF THE COMMON
STOCK.

                              -------------------

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

         The distribution of shares of Common Stock by the Selling  Stockholders
may be effected from time to time in one or more transactions (which may involve
block transactions) in the over-the-counter market, on NASDAQ or on any exchange
on which the Common Stock may then be listed in negotiated transactions, through
the writing of options on shares  (whether such options are listed on an options
exchange or  otherwise),  or a  combination  of such methods of sale,  at market
prices  prevailing  at the time of sale,  at prices  related to such  prevailing
market prices, or at negotiated prices. The Selling Stockholders may effect such
transactions  by  selling  shares  to  or  through   broker-dealers,   and  such
broker-dealers may receive  compensation in the form of underwriting  discounts,
concessions or commissions from the selling  stockholders  and/or  purchasers of
shares for whom they may act as agent  (which  compensation  may be in excess of
customary  commissions).  The  Selling  Stockholders  also may pledge  shares as
collateral for margin  accounts and such shares could be resold  pursuant to the
terms of such accounts.

         All expenses of the  registration  of the Common Stock  covered by this
Prospectus  will be borne by the  Company  pursuant to  preexisting  agreements,
except that the Company will not pay (i) any Selling Stockholder's  underwriting
discounts  or selling  commissions,  or (ii) fees and  expenses  of the  Selling
Stockholder's counsel.



               The date of this  Prospectus is            , 1996.



<PAGE>


                                  THE COMPANY

         HCIA is a leading health care information content company that develops
and markets integrated clinical information systems and products.  The Company's
systems  and  products  range from  standardized  data  bases to highly  focused
Decision  Support  Systems that assist its customers in evaluating  the efficacy
and economics of health care delivery.  As of September 30, 1996,  HCIA had more
than  325  customers  for its  Decision  Support  Systems  including  hospitals,
integrated delivery systems,  self-insured employers,  pharmaceutical  companies
and managed care organizations. The Company sold its Syndicated Products to more
than 7,000 customers as of September 30, 1996.

         By utilizing its core  collection of proprietary  data  standardization
methodologies,  value-added clinical measurement tools and data bases, including
the  International  Classification  of  Clinical  Services  SystemTM  (the "ICCS
System(TM)"),  the Company creates clinical  information systems and products
from its many large and  disparate  data streams.  The ICCS  System(TM)  allows
for the standardization and comparison of detailed clinical data across a broad
range of data sources.  The Company's  proprietary disease management
methodologies link the costs,  quality,  utilization and outcomes of medical
services  delivered to patients  in  various  clinical  settings.  These
methodologies  and  technical resources permit the Company to provide a level of
clinical  information that is substantially  more detailed and useful in
modifying  clinical practice patterns than information derived from traditional
health care data sources.

         As a result  of its  unique  ability  to  integrate  health  care  data
collected  from  numerous  sources and across  varied  treatment  settings,  the
Company believes that it is well positioned to offer the information systems and
products  necessary to continue to increase average revenue per customer through
the sale of more sophisticated and comprehensive  Decision Support Systems.  The
Company  continually  seeks to enhance its systems and products through internal
product development  efforts and acquisitions of other companies,  product lines
and data resources,  as well as through the creation of strategic  relationships
with key health care industry participants. Since 1991 the Company has acquired,
as part of its overall growth  strategy,  a total of 15 health care  information
companies, product lines and data resources. Most recently, the Company acquired
LBA,  a  provider  of  health  care  information   products  that  combine  data
collection, benchmarking and decision support tools that enable its customers to
achieve  significant  cost savings by (i)  improving  quality of outcomes,  (ii)
reducing clinical resource  consumption and (iii) optimizing labor  utilization.
LBA's principal  products include its value  enhancement  systems and Centers of
Excellence  programs which utilize comparative data base analyses and a clinical
implementation management team to assist customers in reducing clinical resource
consumption  and  improving   outcomes  in  specific  practice  areas,  such  as
orthopedics and cardiology.

         The Company utilizes a highly  specialized  direct field sales force to
market Decision Support Systems.  The Company's marketing and pricing strategies
are focused on the generation of recurring revenue from Decision Support Systems
through  multi-year  agreements  (typically  two to three years) and through the
renewal of its Syndicated  Products,  which are updated  annually.  During 1995,
approximately 69% of the Company's revenue was recurring in nature.

         Unless the context otherwise requires, references in this Prospectus to
"HCIA"  and  the  "Company"  refer  to  HCIA  Inc.  and  its   predecessors  and
subsidiaries.  The Company's  executive  offices are located at 300 East Lombard
Street, Baltimore, Maryland 21202, and its telephone number is (410) 895-7470.

         "HCIA" is a registered  trademark  of HCIA Inc.  This  Prospectus  also
includes product names and other trademarks of HCIA and other companies.

                                       2



<PAGE>


                                  RISK FACTORS

IN ADDITION TO THE OTHER  INFORMATION IN THIS PROSPECTUS,  THE FOLLOWING FACTORS
SHOULD BE CONSIDERED CAREFULLY BY PROSPECTIVE INVESTORS.

         ACQUISITIONS.  The  Company  has,  in part,  expanded  its  systems and
products through the acquisition of health care information  companies,  product
lines and data  resources.  The Company  intends to continue the  acquisition of
methodological, analytical and technical resources that will further enhance and
expand the Company's systems and products.

         Acquisitions  involve  numerous  risks,  including  difficulties in the
assimilation  of operations and products,  the ability to manage  geographically
remote  units,  the  diversion of  management's  attention  from other  business
concerns,  the risks of entering  markets in which the Company has limited or no
direct  expertise  and the  potential  loss  of key  employees  of the  acquired
companies. In addition,  acquisitions may involve the expenditure of significant
funds and the incurrence of significant charges associated with the amortization
of goodwill  or other  intangible  assets,  write-offs  of  acquired  in-process
research and development costs and/or future  write-downs of the recorded values
of assets  acquired.  There can be no assurance that any acquisition will result
in long-term  benefits to the Company or that  management will be able to manage
effectively the resulting business.

         MANAGEMENT OF GROWTH. The Company is currently experiencing a period of
rapid  growth  and  expansion  which  could  place a  significant  strain on the
Company's  personnel  and  resources.  The  Company's  growth has resulted in an
increase in the level of  responsibility  for both  existing and new  management
personnel.  Many of the Company's  management  personnel  have had limited or no
experience in managing companies as large as the Company. The Company has sought
to manage  its  current  and  anticipated  growth  through  the  recruitment  of
additional management and technical personnel and the implementation of internal
systems and controls.  However,  the failure to manage growth  effectively could
materially and adversely affect the Company's operating results.

         DEPENDENCE  ON KEY  PERSONNEL.  The  Company  depends to a  significant
extent on key  management,  technical  and  marketing  personnel.  The Company's
growth and future  success  will depend in large part on its ability to attract,
motivate and retain highly qualified  personnel,  including management personnel
of acquired  companies.  Except for an  agreement  with George D.  Pillari,  its
Chairman of the Board,  President and Chief Executive Officer,  the Company does
not  have  employment  agreements  with  any of its  officers.  The  loss of key
personnel or the inability to hire or retain  qualified  personnel  could have a
material adverse effect on the Company.

         VARIATIONS  IN  QUARTERLY  RESULTS.  The  Company has  experienced  and
expects to  continue to  experience  variations  in  quarterly  results.  Recent
quarterly variations are primarily due to the effect of one-time charges related
to acquired in-process research and development costs and the timing of contract
executions.  Quarterly  results are also  influenced by the timing of release of
certain  systems  and  products  as a result of the  annual  release  of certain
external  data  sources.  The  Company's  operating  results for any  particular
quarterly or annual period may not be indicative of results for future periods.

         DEPENDENCE  ON  INTELLECTUAL  PROPERTY  RIGHTS.  The  Company  has made
significant   investments  in  the  development  and  maintenance  of  its  core
collection  of  proprietary  data  standardization  methodologies,   value-added
clinical  measurement  tools and technical  resources that are used to transform
its many large and disparate data streams into clinically  relevant  information
products.  The Company relies largely on its license  agreements  with customers
and  its  own  security   systems,   confidentiality   procedures  and  employee
nondisclosure  agreements  to  maintain  the trade  secrecy  of its  proprietary
information.   There  can  be  no  assurance  that  the  legal  protections  and
precautions taken by the Company will be adequate to prevent misappropriation of
the Company's  proprietary  information.  In addition,  these protections do not
prevent  independent  third-party  development  of  functionally  equivalent  or
superior systems, products or methodologies.

         COMPETITION.   The  health  care   information   market  is   intensely
competitive and rapidly  changing.  The Company competes for the sale of systems
and products and the resulting  access to data with different  companies in each
of its target markets.  Competitors vary in size and in the scope and breadth of
the  products and  services  offered.  Many of the  Company's  competitors  have
significantly  greater financial,  technical,  product development and marketing
resources than the Company.  There can be no assurance that future  competition,
or any significant loss of access to data resulting  therefrom,  will not have a
material adverse effect on the Company.

         MAJOR  CUSTOMERS.  During  1994 and 1995,  the  Company's  ten  largest
customers  accounted  for  approximately  29%  and  36%,  respectively,  of  the
Company's  revenue.  Many of the  Company's  contractual  arrangements  with its
customers  are  subject  to  annual  renewal.  The  loss  of one or  more of the
Company's largest customers could have a material adverse effect on the Company.

         INTEGRITY  AND  RELIABILITY  OF DATA.  The  Company's  success  depends
significantly on the integrity of its data.  Although the Company tests data for
completeness  and  consistency,  it does not conduct  independent  audits of the
information provided by its customers. Moreover, while the Company believes that
the benchmarking and other clinical,  cost and performance information contained
in its data base is representative  of the operational  aspects of various types
of  health  care  industry  participants,  there can be no  assurance  that such
information is  appropriate  for  comparative  analysis in all cases or that the
data bases  accurately  reflect  general or  specific  trends in the health care
market. If the information  contained in the data were found, or were perceived,
to  be  inaccurate,  or if  such  information  were  generally  perceived  to be
unreliable, the Company's business and operating results could be materially and
adversely affected.

         POTENTIAL  COST  OF  PERFORMANCE  GUARANTEES.  As  part  of  its  value
enhancement  systems,  LBA has guaranteed that each customer will achieve a cost
savings  identified  as at least  equal to the  fees the  customer  pays for the
system. To the extent such cost savings are not achieved,  LBA may be subject to
claims related to such guarantees. Although LBA has never incurred a claim under
its guarantee, there can be no assurance that

                                       3

<PAGE>

this will continue to be the case. Liabilities  related to such claims could
have a material  adverse effect on the Company's  business and  operating
results  could be  materially  and adversely affected.

         VOLATILITY  OF  STOCK  PRICE.   The  stock  market   historically   has
experienced volatility which has affected the market price of securities of many
companies and which has sometimes been unrelated to the operating performance of
such  companies.  The  trading  price of the  Common  Stock  may be  subject  to
significant  fluctuations  in response to  variations  in  quarterly  results of
operations,  announcements  of  acquisitions,  new  systems or  products  by the
Company or its competitors,  governmental  regulatory action, other developments
or disputes with respect to proprietary  rights,  general trends in the industry
and overall market conditions, and other factors.

         CHANGES IN THE  HEALTH  CARE  INDUSTRY.  The health  care  industry  is
subject to changing  political,  economic  and  regulatory  influences  that may
affect  the  procurement   practices  and  operation  of  health  care  industry
participants.  During the past several years,  the U.S. health care industry has
been subject to an increase in  governmental  regulation of, among other things,
reimbursement rates and certain capital expenditures. Various programs have been
proposed to reform the U.S. health care system.  Many of these programs  contain
proposals  to  increase   governmental   involvement   in  health  care,   lower
reimbursement  rates and  otherwise  change the  operating  environment  for the
Company's  customers.  Health  care  industry  participants  may  react to these
proposals  and the  uncertainty  surrounding  such  proposals by  curtailing  or
deferring  investments,  including those for the Company's systems and products.
The Company cannot  predict what impact,  if any, such factors might have on its
business,  financial  condition  and results of  operations.  In addition,  many
health care  providers are  consolidating  to create larger health care delivery
enterprises  with greater  regional  market  power.  As a result,  the remaining
enterprises could have greater bargaining power, which may lead to price erosion
of the Company's systems and products.

         GOVERNMENT  REGULATION.  The U.S. Food and Drug  Administration  (the
"FDA") has promulgated a draft policy  addressing the regulation of certain
computer  products as medical devices under the Federal Food, Drug, and Cosmetic
Act. The FDA could determine in the future  that  certain  applications  of the
Company's  systems and  products  are  clinical  decision  tools  subject to FDA
regulation as medical devices.  In addition,  the Company could become subject
to future regulation of the manufacture and marketing of medical  devices and
health care software  systems,  or to legislation or regulation  regarding the
use of patient  records or of access to health care data. Compliance with such
legislation and regulation could be burdensome,  time consuming and expensive.
The Company cannot predict the effect of possible future legislation and
regulation.

                          ---------------------------

Certain  statements  contained herein regarding  matters that are not historical
facts are forward-looking  statements (as such term is defined in the Securities
Act of 1933, as amended (the  "Securities  Act"));  and because such  statements
involve risks and uncertainties, actual results may differ materially from those
expressed  or implied by such  forward-looking  statements..  Factors that could
cause actual results to differ materially include, but are not limited to, those
discussed above.

                                       4


<PAGE>


                          PRICE RANGE OF COMMON STOCK

         Since the initial  offering of the Company's Common Stock at $14.00 per
share on February 22, 1995, the Common Stock has been traded on NASDAQ under the
symbol  "HCIA".  Prior to such date,  there was no public  market for the Common
Stock.

         The following table sets forth for the quarterly  periods indicated the
high and low  closing  sales  price  per share of Common  Stock as  reported  by
NASDAQ:

                                                    HIGH     LOW


1995
1st Quarter (from February 22, 1995)............  $ 25     $17 5/8
2nd Quarter.....................................    31 5/8  21
3rd Quarter.....................................    31 1/4  24 1/2
4th Quarter.....................................    46 3/4  22 3/4

1996
1st Quarter.....................................    55 3/4  41 7/8
2nd Quarter.....................................    67 7/8  45 5/8
3rd Quarter.....................................    67 3/8  48 1/2
4th Quarter (through November 13, 1996).........    36 1/2  22 3/4

         On November 13, 1996,  there were 72 holders of record of the Company's
Common Stock.  The number of record holders is not representative  of the number
of beneficial  holders  since many shares are held by  depositories,  brokers or
other  nominees.  On November 13, 1996, the last reported sale price of the
Company's Common Stock on NASDAQ was $28 1/2 per share.

                                DIVIDEND POLICY

         The Company has never paid any cash  dividends on the Common  Stock and
does not  anticipate  paying any cash  dividends on the Common Stock in the
foreseeable  future.  The Company  currently  intends to retain any future
earnings to fund the development and growth of its business.

                                USE OF PROCEEDS

         The Company will not receive any proceeds from the sale of Common Stock
by the Selling Stockholders.

                                       5

<PAGE>



                              SELLING STOCKHOLDERS

         On August 9, 1996, the Company issued 492,961 shares of common stock to
certain  stockholders of  HealthVISION,  Inc., the former parent company of LBA.
The shares were issued as part of the acquisition price for LBA, under the terms
of a Registration  Rights  Agreement,  the Company agreed to file a registration
statement under the Securities Act to cover the sale of such shares, and to keep
the registration statement effective until the earlier of the date that all such
shares have been sold or for two years from the date of this Prospectus.

         The  following table sets forth certain information with respect to the
beneficial  ownership of the Company's Common Stock by the Selling  Stockholders
as of November 13,  1996,  and as adjusted to reflect the assumed sale of all of
the stores offered hereby by the Selling Stockholders.


<TABLE>
<CAPTION>


                                                                                          Shares
                                              Shares Beneficially                      Beneficially
                                                 Owned Prior To                        Owned After
                                                  The Offering                        The Offering
                                             -----------------------     Shares    --------------------
                                                  Number     Percent     Offered    Number      Percent
<S><C>
Warburg, Pincus Investors, L.P. (1)..........      22,092        *%      22,092      --           --%
United HealthCare Services, Inc. (2).........       9,404        *        9,404      --           --
HLM Partners V, L.P. (3).....................       2,346        *        2,346      --           --
HLM Partners VII, L.P.(3)....................       9,387        *        9,387      --           --
Lawrence J. Byrne (4)........................     116,518      1.0
Kevin J. Hicks (4)...........................     116,518      1.0
</TABLE>

- -------------------
* Less than 1%.

       (1) The sole general  partner of Warburg,  Pincus  Investors,  L.P.  ("WP
       Investors")  is Warburg,  Pincus & Co., a New York general partnership
       ("WP"). E.M. Warburg,  Pincus & Company, a New York general partnership,
       manages WP Investors.  WP has a 20% interest in the profits of WP
       Investors and, through its wholly owned subsidiary,  E.M. Warburg,
       Pincus & Co., Inc. owns 1.13% of the limited  partnership  interests in
       WP Investors.  The address of WP Investors is 466 Lexington Avenue, New
       York, New York 10017.

       (2) The address of United HealthCare Services, Inc. is 9900 Bren Road,
       East, Minnetonka, Minnesota 55343.

       (3) The  address of HLM  Partners  is 222  Berkeley  Street,  Suite 2150,
       Boston, MA 02116.

       (4) Each of Messrs.  Byrne and Hicks has been a Senior  Vice  President
       of the Company  since  August 12,  1996.  The address of Messrs. Byrne
       and Hicks is c/o the Company, 300 East Lombard Street, Baltimore,
       Maryland 21202.

                                       6


<PAGE>


                              PLAN OF DISTRIBUTION

         The distribution of the shares of Common Stock by a Selling Stockholder
may be effected from time to time in one or more transactions (which may involve
block  transactions)  in the  over-the-counter  market,  or on  NASDAQ  (or  any
exchange  on  which  the  Common  Stock  may  then  be  listed)  in   negotiated
transactions, at market prices prevailing at the time of sale, at prices related
to such prevailing market prices or at negotiated prices. A Selling  Stockholder
may effect such transactions by selling shares to or through broker-dealers, and
such  broker-dealers  may  receive  compensation  in the  form  of  underwriting
discounts,   concessions  or  commissions  from  a  Selling  Stockholder  and/or
purchasers of shares for whom they may act as agent (which  compensation  may be
in excess of  customary  commissions).  A Selling  Stockholder  also may  pledge
shares as collateral for margin  accounts and such shares may be resold pursuant
to the terms of such accounts.

         In order to comply with certain state  securities  laws, if applicable,
the Common Stock will not be sold in any particular state unless such securities
have been  registered or qualified for sale in such state or any exemption  from
registration or qualification is available and complied with.

         The  Company  will not  receive  any of the  proceeds  from the sale of
shares of Common Stock by the Selling Stockholders.

                                 LEGAL MATTERS

         The  validity of the Common Stock being  offered  hereby will be passed
upon for the Company and the Selling Stockholders by Whiteford, Taylor & Preston
L.L.P., Baltimore, Maryland.

                                    EXPERTS

         The consolidated financial statements of the Company as of December 31,
1994 and 1995, and for each of the years in the three-year period ended December
31, 1995  incorporated  by reference  in this  Prospectus  and the  Registration
Statement by reference to the Company's  Annual Report on Form 10-K, as amended,
and the financial statements of William M. Mercer,  Incorporated National Health
Analysis  Unit as of December 31, 1994 and  September 30, 1995 and for the years
ended  December 31, 1993 and 1994 and the nine months ended  September  30, 1995
incorporated in this Prospectus by reference to the Company's  Current Report on
Form 8-K dated  July 19,  1996,  as  amended,  have  been  included  herein  and
incorporated by reference in reliance upon the reports of KPMG Peat Marwick LLP,
independent   certified  public  accountants,   appearing  elsewhere  herein  or
incorporated by reference herein, and upon the authority of said firm as experts
in accounting and auditing.

         The report by KPMG Peat Marwick LLP covering the  consolidated
financial  statements  of the Company noted above refers to the adoption of the
Financial  Accounting  Standards Board's Statement of Financial  Accounting
Standards No. 109,  "Accounting for Income Taxes."

         The  combined  balance  sheet of LBA Health Care  Management,  Inc. and
Healthcare Data Source, Inc.  (collectively,  the "Predecessor  Business") as of
December  31,  1994 and the  combined  statements  of  operations  and  retained
earnings and cash flows for the Predecessor Business for each of the years ended
December  31,  1993 and 1994 and for the period  from  January  1, 1995  through
September 27, 1995, the balance sheet of LBA Health Care Management,  Inc. as of
December 31, 1995 and the  statements  of operations  and retained  earnings and
cash flows of LBA Health Care Management, Inc. for the period from September 28,
1995  through  December  31,  1995  and  the   consolidated   balance  sheet  of
HealthVISION,  Inc.  as of  December  31,  1994 and  1995  and the  consolidated
statements of operations, stockholders' equity and cash flows for the year ended
December  31,  1995 and for the  period  February  2, 1994  (inception)  through
December 31, 1994 incorporated in this Prospectus and Registration  Statement by
reference to the  Company's  Current  Report on Form 8-K dated July 19, 1996, as
amended,  have been audited by Ernst & Young LLP, independent  auditors,  as set
forth in their reports thereon  incorporated in this Prospectus and Registration
Statement by reference to the  Company's  Current  Report on Form 8-K dated July
19, 1996,  as amended,  and are included in reliance  upon such reports given on
the authority of such firm as experts in accounting and auditing.

         The financial  statements of Datis  Corporation  as of May 31, 1993 and
1994 and for the year ended May 31,  1994 and the two months  ended May 31, 1993
incorporated  in this Prospectus by reference to the Form 8-K of HCIA Inc. dated
July 19, 1996, as amended,  have been so  incorporated in reliance on the report
of Price Waterhouse LLP, independent accountants, given on the authority of said
firm as experts in auditing and accounting.

                                       7


<PAGE>


                             ADDITIONAL INFORMATION

         The  Company  is  subject  to  the  informational  requirements  of the
Exchange Act, and, in accordance therewith,  files reports and other information
with the Securities and Exchange Commission (the "Commission").  The reports and
other  information  filed by the Company with the Commission in accordance  with
the Exchange Act may be inspected and copied at the public reference  facilities
maintained by the Commission at 450 Fifth Street, N.W.,  Washington,  D.C. 20549
and at the Commission's  regional offices at Seven World Trade Center, New York,
New York  10048 and  Citicorp  Center,  500 West  Madison  Street,  Suite  1400,
Chicago,  Illinois 60661.  Copies of such material may also be obtained from the
Public  Reference   Section  of  the  Commission  at  its  principal  office  in
Washington,  D.C. at prescribed rates. Such reports,  proxy statements and other
information  concerning the Company can be inspected at the offices of NASDAQ at
1735 K Street, N.W., Washington, D.C. 20006. The Commission maintains a Web site
at http://www.sec.gov  containing reports,  proxy and information statements and
other  information  regarding  registrants,  including  the  Company,  that file
electronically with the Commission.

         The Company has filed with the Commission a  Registration  Statement on
Form S-3 (the "Registration Statement") under the Securities Act with respect to
the Common Stock offered hereby. This Prospectus,  which constitutes part of the
Registration  Statement,  omits  certain  of the  information  contained  in the
Registration  Statement and the exhibits and schedules  thereto on file with the
Commission  pursuant to the Securities Act and the rules and  regulations of the
Commission  thereunder.  The  Registration  Statement,  including  exhibits  and
schedules  thereto,  may  be  inspected  and  copied  at  the  public  reference
facilities  maintained by the Commission at 450 Fifth Street,  N.W.,  Room 1024,
Washington,  D.C. 20549, and at the Commission's regional offices at Seven World
Trade Center,  New York,  New York 10048 and Citicorp  Center,  500 West Madison
Street,  Suite  1400,  Chicago,  Illinois  60661,  and copies may be obtained at
prescribed  rates from the Public  Reference  Section of the  Commission  at its
principal office in Washington,  D.C. Statements contained in this Prospectus as
to the contents of any contract or other document are not  necessarily  complete
and in each  instance  reference  is made to the copy of such  contract or other
document filed as an exhibit to the Registration Statement,  each such statement
being qualified in all respects by such reference.

               INCORPORATION OF CERTAIN INFORMATION BY REFERENCE

         The following  documents or portions of documents  filed by the Company
with the Commission are incorporated herein by reference:

           (1) Annual Report on Form 10-K for the year ended  December 31, 1995,
           as amended by the Form 10-K/A filed on April 30, 1996.

           (2) Quarterly Report on Form 10-Q for the quarter ended September 30,
           1996.

           (3) Current  Report on Form 8-K dated July 19, 1996,  as amended by
           the Form 8-K/As filed August 13, 1996 and October 21, 1996.

           (4) The  description  of the Common Stock  contained in the Company's
           Registration  Statement  under the  Exchange Act on Form 8-A filed on
           January 13, 1995.

         All  reports  and other  documents  filed by the  Company  pursuant  to
Sections  13(a),  13(c),  14 or 15(d) of the Exchange Act after the date of this
Prospectus  and prior to the  termination  of the Offering shall be deemed to be
incorporated  by  reference  in this  Prospectus  and to be part hereof from the
filing date of such documents.

         Any  statement  contained  in a document  incorporated  or deemed to be
incorporated  by reference  herein shall be deemed to be modified or  superseded
for purposes of this Prospectus to the extent that a statement contained herein,
or in any other  subsequently  filed  document that also is  incorporated  or is
deemed to be  incorporated  by reference  herein,  modifies or  supersedes  such
statement.  Any such  statement so modified or  superseded  shall not be deemed,
except as so modified or  superseded,  to constitute a part of this  Prospectus.
Subject to the  foregoing,  all  information  appearing  in this  Prospectus  is
qualified  in  its  entirety  by the  information  appearing  in  the  documents
incorporated herein by reference.

THIS  PROSPECTUS  INCORPORATES  DOCUMENTS BY REFERENCE  WHICH ARE NOT PRESENTED
HEREIN OR DELIVERED  HEREWITH.  THESE DOCUMENTS ARE AVAILABLE  UPON WRITTEN OR
ORAL  REQUEST,  AT NO CHARGE,  FROM THE  COMPANY.  REQUESTS  SHOULD BE DIRECTED
TO THE COMPANY,  300 EAST LOMBARD STREET, BALTIMORE, MARYLAND 21202, ATTENTION:
BARRY C. OFFUTT, SENIOR VICE PRESIDENT AND CHIEF FINANCIAL OFFICER.

                                       8


<PAGE>

     No dealer,  salesperson or other individual has been authorized to give any
information  or to make  any  representations  other  than  those  contained  or
incorporated by reference in this Prospectus. If given or made, such information
or representations must not be relied upon as having been authorized by the
Company or the Selling Stockholders. This Prospectus does 276,265 Shares not
constitute an offer to sell, or a solicitation  of an offer to buy the Common
Stock in any jurisdiction  where, or to any person to whom, it is unlawful to
make such offer or solicitation. Neither the delivery of this Prospectus nor any
sale made [HCIA logo] hereunder shall,  under any circumstances,  create any
implication that here has not been any change in the facts set forth in this
Prospectus  or in the  affairs of the Company since the date hereof.

                               TABLE OF CONTENTS


                                                             Page

The Company........................................           2
Risk Factors.......................................           3
Price Range of Common Stock........................           5
Dividend Policy....................................           5
Use of Proceeds....................................           5
Selling Stockholders...............................           6
Plan of Distribution...............................           7
Legal Matters......................................           7
Experts............................................           7
Additional Information.............................           8
Incorporation of Certain Information by Reference..           8






                                 276,265 Shares




                                  [HCIA logo]



                                  Common Stock







                                            , 1996




                                       


<PAGE>

                                    PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

Item 14.  Other Expenses of Issuance and Distribution.*

         The following  table sets forth a statement of all expenses  payable by
the Registrant in connection  with the  registration of the Common Stock covered
hereby.

SEC Registration Fee.............................................  $2,313
Accounting Fees and Expenses.....................................   2,000
Legal Fees and Expenses..........................................   5,000
Blue Sky Fees and Expenses.......................................     -0-
Miscellaneous Fees and Expenses..................................   2,000
              Total                                               _______
                                                                  $11,313
                                                                  =======

- ---------------
*Except for the SEC Registration Fee and NASD Fee, all expenses are estimated.

Item 15.  Indemnification of Directors and Officers.

         Section  2-418 of the  Maryland  General  Corporation  Law (the "MGCL")
provides  that the  Registrant  may  indemnify  any  director  who was, is or is
threatened to be made a named defendant or respondent to an threatened,  pending
or completed action, suit or proceeding, whether civil, criminal, administrative
or  investigative  by  reason of the fact  that he is or was a  director  of the
Registrant,  or  while a  director,  is or was  serving  at the  request  of the
Registrant  as a  director,  officer,  partner,  trustee,  employee  or agent of
another  foreign or domestic  corporation,  partnership,  joint venture,  trust,
other  enterprise  or  employee  benefit  plan,  against   reasonable   expenses
(including  attorneys'  fees),  judgments,  penalties,  fines  and  settlements,
actually  incurred  by the  director in  connection  with such  action,  such or
proceeding,  unless  it is  established  that:  (I) the act or  omission  of the
director  was  material  to the  matter  giving  rise  to such  action,  suit or
proceeding,  and was  committed  in bath  faith or was the  result of active and
deliberate dishonesty;  (ii) the director actually received an improper personal
benefit in money,  property or  services;  or (iii) in the case of any  criminal
proceeding,  the  director  had  reasonable  cause  to  believe  that the act or
omission was unlawful.  If the action,  suit or proceeding  was one by or in the
right of the Registrant,  no  indemnification  shall be made with respect to any
action,  suit or proceeding in which the director shall have been adjudged to be
liable to the Registrant. A director also may not be indemnified with respect to
any  action,  suit or  proceeding  charging  improper  personal  benefit  to the
director,  whether or not involving action in the director's  official capacity,
in which the  director  is  adjudged  to be liable on the basis  that a personal
benefit was improperly received. Unless limited by the Registrant's Charter: (i)
a court of appropriate  jurisdiction,  upon application of a director, may order
such  indemnification  as the court shall deem proper if it determines  that the
director is fairly and reasonably  entitled to indemnification in view of all of
the  relevant  circumstances,  regardless  of whether the  director  has met the
standards of conduct  required by Section 2-418;  and (ii) the Registrant  shall
indemnify a director if such  director is  successful on the merits or otherwise
in defense of any action,  suit or proceeding referred to above.  However,  with
respect to any action,  suit or proceeding by or in the right of the  Registrant
or in which the  director was adjudged to be liable on the basis that a personal
benefit was improperly received,  the Registrant may only indemnify the director
for any expenses  (including,  attorneys' fees) incurred in connection with such
action, suit or proceeding.

         Section 2-418 of the MGCL further  provides  that unless  limited b the
Registrant's Charter, the Registrant:  (i) shall (a) indemnify an officer of the
Registrant  if such officer is  successful on the merits or otherwise in defense
of any action,  suit or  proceeding  referred  to above,  and (b)  indemnify  an
officer  of  the  Registrant  if  a  court  of  appropriate  jurisdiction,  upon
application of an officer, shall order  indemnification;  (ii) may indemnify and
advance expenses to an officer,  employee or agent of the Registrant to the same
extent that it may  indemnify  directors;  and (iii) may  indemnify  and advance
expenses to an officer,  employee or agent who is not a director to such further
extent,  consistent with law, as may be provided by the Charter, Bylaws, general
or specific action of the Registrant's Board of Directors or contract.

         The  Registrant's  Bylaws provide that the Registrant  shall indemnify:
(i) any  individual  who is a  present  or former  director  or  officer  of the
Registrant;  or  (ii)  any  individual  who  serves  or has  served  in  another
corporation,  partnership,  joint venture,  trust,  employee benefit plan or any
other  enterprise  as a director or officer,  or as a partner or trustee of such
partnership  or employee  benefit plan, at the request of the Registrant and who
by reason of service in that  capacity  was,  is or is  threatened  to be made a
party to any  threatened,  pending  or  completed  action,  suit or  proceeding,
whether civil,  criminal,  administrative or  investigative,  to the full extent
permitted  under the MGCL. The Registrant may, with the approval of its Board of
Directors,  provide  such  indemnification  for a person who  formerly  served a
predecessor of the Registrant in any of the capacities  described in (i) or (ii)
above and for any employee or agent of the  Registrant or a  predecessor  of the
Registrant.

         The  Registrant's  Bylaws also  provide  that the  reasonable  expenses
incurred by a director or officer who is or is  threatened to be made a party to
any threatened,  pending or completed action, suit or proceeding, whether civil,
criminal,  administrative or  investigative,  shall be paid or reimbursed by the
Registrant in advance of the final disposition of the proceeding upon request by
the   Registrant   of:  (i)  a  written   affirmation   by  the  party   seeking
indemnification  that he has a good faith  belief  that the  standard of conduct
necessary for indemnification by the Registrant has been met; and (ii) a written
undertaking  by or on behalf of the party seeking  indemnification  to repay the
amount if it shall  ultimately be  determined  that such standard of conduct has
not been met.

                                      II-1

<PAGE>

         The Registrant's Charter provides that, to the fullest extent permitted
by Maryland statutory or decisional law, as amended or interpreted,  no director
or officer of the Registrant shall be personally liable to the Registrant or its
stockholders  for monetary damage.  The Registrant's  Charter also provides that
except as the Bylaws of the Registrant may otherwise provide, no indemnification
shall  be  provided  for  any  director  or for any  employee  or  agent  of the
Registrant of any predecessor of the Registrant or any other entity.

         The  provisions  in the Chapter and Bylaws do not eliminate the duty of
care. In  appropriate  circumstances,  equitable  remedies such as injunctive or
other forms of  non-monetary  relief  remain  available  under  Maryland law. In
addition,  each  director will continue to be subject to liability for breach of
the director's duty of loyalty to the Registrant or its  stockholders,  for acts
or omissions  not in good faith or involving  intentional  misconduct or knowing
violations  of law,  for  actions  leading to improper  personal  benefit to the
director  and for  payment of  dividends  or approval  of stock  repurchases  or
redemptions  that are  unlawful  under the MGCL.  These  provisions  also do not
affect a director's or officer's  responsibilities  under any other law, such as
the federal or state securities laws or state or federal environmental laws.

Item 16.  Exhibits and Financial Statement Schedules.

         (a)   Exhibits

         A list of exhibits filed with this  Registration  Statement on Form S-3
is set forth in the Exhibit  Index on page E-1,  and is  incorporated  herein by
reference.

         (b)   Financial Statement Schedules

Schedule II -- Valuation and Qualifying Accounts*

- -------------
*Incorporated by reference to the Registrant's Registration Statement on Form
S-3 (File No. 333-08639).


Item 17.  Undertakings.

         (a)      The undersigned registrant hereby undertakes:

                  (1) To file,  during any  period in which  offers or sales are
being made, a post-effective amendment to this Registration Statement:

                      (i)  To include any  prospectus  required by Section
10(a)(3) of the  Securities Act of 1933, as amended (the "Securities Act");

                      (ii) To reflect in the prospectus  any facts or events
arising after the effective  date of the  Registration Statement  (or  the  most
recent   post-effective   amendment  thereof)  which, individually  or  in  the
aggregate  represent  a  fundamental  change  in  the information  set  forth
in  the  Registration  Statement.  Notwithstanding  the foregoing,  any
increase or decrease  in volume of  securities  offered (if the total  dollar
value or  securities  offered  would be to exceed  that which was registered)
and any deviation from the low or high and of the estimated  maximum offering
range  may be  reflected  in the  form of  prospectus  filed  with the
Commission  pursuant to Rule 424(b) if, in the aggregate,  the changes in volume
and price  represent  no more than 20 percent  change in the  maximum  aggregate
offering price set forth in the  "Calculation of Registration  Fee" table in the
effective registration statement;

                      (iii)         To include any material  information  with
respect to the plan of  distribution  not  previously disclosed  in  the
Registration  Statement  or  any  material  change  to  such information in the
Registration  Statement;  provided,  however,  that paragraph (a)(1)(i) and
(a)(1)(ii) do not apply if the information required to be included in a
post-effective  amendment  by those  paragraphs  is  contained in periodic
reports filed with or furnished to the Commission by the registrant  pursuant to
Section 13 or Section 15(d) of the  Securities  Exchange Act of 1934, as amended
(the "Exchange  Act"),  that are  incorporated by reference in the  Registration
Statement.

                  (2) That, for the purpose of determining  any liability  under
the Securities Act each such  post-effective  amendment  shall be deemed to be a
new registration  statement relating to the securities offered therein,  and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof.

                  (3) To remove from  registration by means of a  post-effective
amendment  any of the  securities  being  registered  which remain unsold at the
termination of the offering.

         Insofar as indemnification for liabilities arising under the Securities
Act may be  permitted to  directors,  officers  and  controlling  persons of the
Registrant pursuant to the foregoing  provisions,  or otherwise,  the Registrant
has been advised that in the opinion of the Securities  and Exchange  Commission
such indemnification is against public policy as expressed in the Securities Act
and is, therefore  unenforceable.  In the event that a claim for indemnification
against such  liabilities  (other than the payment of the Registrant of expenses
insured or paid by a director,  officer or controlling  person of the Registrant
in the successful defense of any action, suit or proceeding) is asserted by such
director,  officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been  settled by

                                      II-2

<PAGE>

controlling  precedent,  submit to a court of  appropriate jurisdiction the
question whether such  indemnification  by it is against public policy as
expressed  in the  Securities  Act and will be  governed by the final
adjudication of such issue.

         The undersigned Registrant hereby undertakes that:

         1. For purposes of determining  any liability under the Securities Act,
the  information  omitted  from  the  form of  prospectus  filed as part of this
Registration  Statement  in reliance  upon Rule 430A and  contained in a form of
prospectus  filed by the  Registrant  pursuant to Rule 424(b)(1 or (4) or 497(h)
under  the  Securities  Act  shall  be  deemed  to be part of this  Registration
Statement as of the time it was declared effective.

         2. For the purpose of  determining  any liability  under the Securities
Act, each  post-effective  amendment that contains a form of prospectus shall be
deemed to be a new  Registration  Statement  relating to the securities  offered
therein,  and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.

         The  undersigned  registrant  hereby  undertakes  that, for purposes of
determining  any liability  under the Securities Act of 1933, each filing of the
registrant's  annual  report  pursuant to section  13(a) or section 15(d) of the
Securities  Exchange  Act of  1934  that is  incorporated  by  reference  in the
registration  statement  shall  be  deemed  to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

                                      II-3

<PAGE>


                                   SIGNATURES

         Pursuant  to the  requirements  of the  Securities  Act  of  1933,  the
Registrant  has duly  caused  this  Registration  Statement  to be signed on its
behalf by the undersigned,  thereunto duly authorized, in the City of Baltimore,
State of Maryland, on November 13, 1996.

                                    HCIA INC.

                                    By:/s/ George D. Pillari
                                       George D. Pillari, Chairman of the Board
                                       President and Chief Executive Officer

                               POWER OF ATTORNEY

         KNOW ALL MEN BY THESE  PRESENTS,  that each  director  whose  signature
appears  below   constitutes  and  appoints  Barry  C.  Offutt  and  Charles  A.
Berardesco, or either of them, his true and lawful attorneys-in-fact and agents,
with full power of  substitution  and  resubstitution,  for him and in his name,
place and stead, in any and all capacities,  to sign for the undersigned any and
all amendments or post-effective  amendments to this  Registration  Statement on
Form S-3 relating to the issuance of Common Stock of the Registrant, and to file
the same, with all exhibits thereto and other documents in connection therewith,
with the Securities and Exchange Commission. We hereby confirm all acts taken by
such  agents  and  attorneys-in-fact,  or any  one or more of  them,  as  herein
authorized.

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
registration  statement  has  been  signed  by  the  following  persons  in  the
capacities and on the dates indicated.

       Signature                     Title                           Date

/s/ George D. Pillari     Chairman of the Board,               November 13, 1996
    George D. Pillari        President and Chief Executive
                             Officer (principal executive
                             officer)

/s/ Barry C. Offutt       Senior Vice President and Chief      November 13, 1996
    Barry C. Offutt          Financial Officer (principal
                             financial and accounting
                             officer)


/s/ Phillip B. Lassiter   Director                             November 13, 1996
    Phillip B. Lassiter


/s/ Richard Dulude        Director                             November 13, 1996
    Richard Dulude


/s/ Richard Berman        Director                             November 13, 1996


/s/ W. Grant Gregory      Director                             November 13, 1996


/s/ Mark C. Rogers        Director                             November 13, 1996
    Mark C. Rogers


/s/ Carl J. Schramm       Director                             November 13, 1996
    Carl J. Schramm

                                      II-4

<PAGE>


                                 EXHIBIT INDEX

  Exhibit
  Number                              Description

    1.1  *Proposed form of Underwriting Agreement (to be incorporated by
         reference at the time of an offering).

    2.1  +Agreement and Plan of Reorganization by and among the Registrant, HCIA
         Sub Inc. and HealthVISION, Inc.

    3.1  **Articles of Amendment and Restatement of the Registrant.

    3.2  ***Amended and Restated Bylaws of the Registrant

    5.1  Opinion of Whiteford, Taylor & Preston L.L.P. (including the consent of
         such firm).

   23.1  Consent of KPMG Peat Marwick LLP.

   23.2  Consent of Price Waterhouse LLP

   23.3  Consent of Ernst & Young LLP

   23.4  Consent of Whiteford, Taylor & Preston L.L.P. (included in Exhibit
         5.1).

   24.1  Power of Attorney  (included as part of the  signature  page of this
         Registration Statement).

- -----------------------------
*    To be filed by amendment.
**   Incorporated by reference to the Registrant's Registration Statement on
     Form S-1 (File No. 33-94946).
***  Incorporated by reference to the Registrant's Registration Statement on
     Form S-1 (File No. 33-88226).
+    Incorporated by reference to the Registrant's Current Report on Form 8-K
     dated July 19, 1996, as amended.



                          Whiteford, Taylor & Preston
                                     L.L.P.

                            Seven Saint Paul Street
                         Baltimore, Maryland 21202-1626
                                  410 347-8700
                                Fax 410 752-7092


210 WEST PENNSYLVANIA AVENUE                       1025 CONNECTICUT AVENUE, NW
 TOWSON, MARYLAND 21204-4515                       WASHINGTON, D.C. 20036-5405
   TELEPHONE 410 832-2000                            TELEPHONE  202 659-6800
      FAX 410 832-2015                                  FAX 202 331-0573
           -----                                               -----


30 COLUMBIA CORPORATE CENTER                           1317 KING STREET
10440 LITTLE PATUXENT PARKWAY                   ALEXANDRIA, VIRGINIA 22314-2928
  COLUMBIA, MARYLAND 21044                          TELEPHONE 703 836-5742
   TELEPHONE 410 884-0700                              FAX 703 836-0265
      FAX 410-884-0719
            -----


                               November 18, 1996


Board of Directors
HCIA Inc.
300 East Lombard Street
Baltimore, Maryland 21202

                  Re:   Registration Statement on Form S-3

Gentlemen:

         We have  acted as counsel to HCIA  Inc.,  a Maryland  corporation  (the
"Corporation"),  in connection  with a  Registration  Statement on Form S-3 (the
"Registration  Statement")  filed by the Corporation under the Securities Act of
1933, as amended (the "Act"), with respect to 276,265 shares of the common stock
of the Corporation, par value $.01 per share (the "Stock"), to be sold by
certain selling  stockholders.  In that  capacity,  we have  reviewed  the
Articles  of Incorporation  and  Bylaws of the  Corporation,  as  amended,  the
Registration Statement,  the records of the Corporation, and such  other
materials  and  matters as we have deemed necessary for the issuance of this
opinion.

         Based upon the foregoing, we are of the opinion that the Stock has been
duly authorized and is validly issued, fully paid and nonassessable.

         We  consent  to  the  filing  of  this  opinion  as an  exhibit  to the
Registration  Statement.  In giving  this  consent,  we do not admit that we are
within the  category  of persons  whose  consent is required by Section 7 of the
Act.

                                         Very truly yours,

                                         /s/ Whiteford, Taylor & Preston L.L.P.

                                         WHITEFORD, TAYLOR & PRESTON L.L.P.


              CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS


The Board of Directors
HCIA Inc.

We consent to the use of our reports incorporated herein by reference and to the
reference to our firm under the heading "Experts" in the prospectus. As
discussed in Notes 2 and 8 to the consolidated financial statements, the Company
changed its method of accounting for income taxes in 1993 to adopt the
provisions of the Financial Accounting Standard Board's Statement of Financial
Accounting Standards No. 109, "Accounting for Income Taxes".



/s/ KPMG Peat Marwick LLP

Baltimore, MD
November 14, 1996


                       CONSENT OF INDEPENDENT ACCOUNTANTS


We hereby consent to the incorporation by reference in the Prospectus
constituting part of this Registration Statement on Form S-3 of HCIA Inc. of
our report dated July 22, 1994, except as to Note 11 which is as of July 24,
1995, relating to the financial statements of Datis Corporation, which appears
in the Current Report on Form 8-K of HCIA Inc. dated July 19, 1996. We also
consent to the reference to us under the heading "Experts" in such Prospectus.


/s/ Price Waterhouse LLP

PRICE WATERHOUSE LLP
San Jose, California
November 14, 1996


               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


     We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-3) and related Prospectus of HCIA, Inc. for the
registration of 276,265 shares of its common stock and to the incorporation
by reference therein of our report dated January 26, 1996, except for Note 12 as
to which the date is July 30, 1996, with respect to the consolidated balance
sheets of HealthVISION, Inc. as of December 31, 1995 and 1994, and the related
consolidated statements of operations, stockholders' equity and cash flows for
the year ended December 31, 1995 and for the period February 2, 1994 (inception)
through December 31, 1994 and our report dated January 12, 1996, except for
Note 8 as to which the date is July 30, 1996, with respect to the combined
balance sheet of LBA Health Care Management, Inc. and Healthcare Data Source,
Inc. (collectively, the "Predecessor Business") as of December 31, 1994, the
related combined statements of operations and retained earnings and cash flows
for the Predecessor Business for the years ended December 31, 1993 and 1994
and for the period from January 1, 1995 through September 27, 1995, the balance
sheet of LBA Health Care Management, Inc. as of December 31, 1995, and the
related statements of operations and retained earnings and cash flows of LBA
Health Care Management, Inc. for the period from September 28, 1995 through
December 31, 1995 included in Form 8-K/A-2 of HCIA, Inc., filed with the
Securities and Exchange Commission.


                                      /s/ Ernst & Young LLP

Walnut Creek, California
November 14, 1996



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