<PAGE>   1

                                                                    EXHIBIT 10.3

                     AMENDMENT NO. 11 TO THE LOAN DOCUMENTS

                  AMENDMENT dated as of August 30, 1999 to the Amended and
Restated Credit Agreement dated as of June 9, 1998 (as amended and otherwise
modified by Amendment and Waiver No. 1 to the Loan Documents dated as of
December 4, 1998, Amendment No. 2 to the Loan Documents dated as of January 13,
1999, Amendment No. 3 to the Loan Documents dated as of February 9, 1999,
Amendment and Waiver No. 4 to the Loan Documents dated as of March 18, 1999,
Amendment and Waiver No. 5 to the Loan Documents dated as of April 1, 1999,
Amendment No. 6 to the Loan Documents dated as of April 14, 1999, Amendment No.
7 to the Loan Documents dated as of June 29, 1999, Amendment No. 8 to the Loan
Documents dated as of August 2, 1999, Amendment No. 9 to the Loan Documents
dated as of August 16, 1999, and Amendment No. 10 to the Loan Documents dated
as of August 23, 1999, the "CREDIT AGREEMENT") among MedPartners, Inc., a
Delaware corporation (the "BORROWER"), the Lenders party thereto, Bank of
America, N.A. (formerly NationsBank, N.A.), as the Initial Issuing Bank and the
Swing Line Bank thereunder, Credit Lyonnais New York Branch, The First National
Bank of Chicago and Morgan Guaranty Trust Company of New York, as the
Syndication Agents therefor, Banc of America Securities LLC (formerly
NationsBanc Montgomery Securities LLC), as the Arranger therefor, and Bank of
America, N.A. (formerly NationsBank, N.A.), as the Administrative Agent for the
Lender Parties thereunder. Capitalized terms not otherwise defined in this
Amendment have the same meanings as specified therefor in the Credit Agreement.

                             PRELIMINARY STATEMENTS

                  (1) The Borrower has requested that the Lender Parties agree
to amend the Credit Agreement in order to provide that the latest date for
approval of the California Transition Plan be extended from August 31, 1999 to
September 30, 1999.

                  (2) The Lender Parties have indicated their willingness to
agree to amend the terms and conditions of the Credit Agreement described above
in Preliminary Statement (1) on the terms and subject to the satisfaction of
the conditions set forth herein.

                  NOW, THEREFORE, in consideration of the premises and of the
mutual covenants and agreements contained herein and in the Loan Documents, the
parties hereto hereby agree as follows:

                  SECTION 1. Amendments of Certain Provisions of the Credit
Agreement. The Credit Agreement is, upon the occurrence of the Amendment
Effective Date (as hereinafter defined), hereby amended to read as follows:

         (a) The definition of "CALIFORNIA TRANSITION PLAN" in Section 1.01 is
hereby amended to delete the date "August 31, 1999" in subclause (D) thereof
and to substitute therefor the new date "September 30, 1999."

         (b) Section 2.05(b) is hereby amended to delete the date "August 31,
1999" in subclause (vii)(B) thereof and to substitute therefor the new date
"September 30, 1999."


<PAGE>   2

                  SECTION 2. Conditions Precedent to the Effectiveness of this
Amendment. This Amendment shall become effective as of the first date (the
"AMENDMENT EFFECTIVE DATE") on which, and only if, each of the following
conditions precedent shall have been satisfied:

         (a) The Administrative Agent shall have received on or before 5:00
p.m. (Charlotte time) on August 30, 1999, (i) counterparts of this Amendment
executed by the Borrower and the Required Lenders or, as to any of the Lender
Parties, advice satisfactory to the Administrative Agent that such Lender Party
has executed this Amendment and (ii) the Consent attached hereto shall have
been executed and delivered by each of the Loan Parties (other than the
Borrower).

         (b) The representations and warranties set forth in each of the Loan
Documents shall be correct in all material respects on and as of the Amendment
Effective Date, before and after giving effect to this Amendment, as though
made on and as of such date (except (i) for any such representation and
warranty that, by its terms, refers to a specific date other than the Amendment
Effective Date, in which case as of such specific date, (ii) that the
Consolidated financial statements of the Borrower and its Subsidiaries referred
to in Sections 4.01(f) and 4.01(g) of the Credit Agreement shall be deemed to
refer to the Consolidated financial statements of the Borrower and its
Subsidiaries comprising part of the Required Financial Information most
recently delivered to the Administrative Agent and the Lender Parties pursuant
to Sections 5.03(b) and 5.03(c), respectively, on or prior to the Amendment
Effective Date and (iii) that the forecasted Consolidated financial statements
of the Borrower and its Subsidiaries referred to in Section 4.01(h) of the
Credit Agreement shall be deemed to refer to the forecasted Consolidated
financial statements of the Borrower and its Subsidiaries most recently
delivered to the Administrative Agent and the Lender Parties prior to the
Amendment Effective Date).

         (c) No event shall have occurred and be continuing, or shall result
from the effectiveness of this Amendment, that constitutes a Default.

         (d) All of the reasonable fees and expenses of the Administrative
Agent and the Arranger (including the reasonable fees and expenses of counsel
for the Administrative Agent) due and payable on the Amendment Effective Date
shall have been paid in full.

The effectiveness of this Amendment is further conditioned upon the accuracy of
all of the factual matters described herein. This Amendment is subject to the
provisions of Section 8.01 of the Credit Agreement.

                  SECTION 3. Reference to and Effect on the Loan Documents. (a)
On and after the Amendment Effective Date, each reference in the Credit
Agreement to "this Agreement," "hereunder," "hereof" or words of like import
referring to the Credit Agreement, and each reference in the Notes and each of
the other Loan Documents to "the Credit Agreement," "thereunder," "thereof" or
words of like import referring to the Credit Agreement, shall mean and be a
reference to the Credit Agreement, as amended by this Amendment.

         (b) The Credit Agreement, the Notes and each of the other Loan
Documents, as amended by the amendments specifically provided above in Section
1, are and shall continue to be in full force and effect and are hereby in all
respects ratified and confirmed. The execution, delivery and effectiveness of
this Amendment shall not, except as expressly provided herein, operate as a
waiver


                                       2
<PAGE>   3

of any right, power or remedy of any of the Guaranteed Parties or the
Administrative Agent under any of the Loan Documents, or constitute a waiver of
any provision of any of the Loan Documents.

                  SECTION 4. Costs and Expenses. The Borrower hereby agrees to
pay, upon demand, all of the reasonable costs and expenses of the
Administrative Agent and the Arranger (including, without limitation, the
reasonable fees and expenses of counsel for the Administrative Agent) in
connection with the preparation, execution, delivery, administration,
modification and amendment of this Amendment and all of the agreements,
instruments and other documents delivered or to be delivered in connection
herewith, all in accordance with the terms of Section 8.04 of the Credit
Agreement.

                  SECTION 5. Execution in Counterparts. This Amendment may be
executed in any number of counterparts and by different parties hereto in
separate counterparts, each of which when so executed shall be deemed to be an
original and all of which taken together shall constitute one and the same
agreement. Delivery of an executed counterpart of a signature page to this
Amendment by telecopier shall be effective as delivery of a manually executed
counterpart of this Amendment.

                  SECTION 6. Governing Law. This Amendment shall be governed
by, and construed in accordance with, the laws of the State of New York.


                                       3
<PAGE>   4


                  IN WITNESS WHEREOF, the parties hereto have caused this
Amendment to be executed by their respective officers, thereunto duly
authorized, as of the date first written above.

                               THE BORROWER

                               MEDPARTNERS, INC.


                               By
                                  ---------------------------------------------
                                  Name:
                                  Title:

                               THE ADMINISTRATIVE AGENT

                               BANK OF AMERICA, N.A.


                               By            /s/ Philip S. Durand
                                  ---------------------------------------------
                                  Name:  Philip S. Durand
                                  Title: Principal


                               THE LENDER PARTIES

                               BANK OF AMERICA, N.A., as a Lender,
                               the Swing Line Bank and the Issuing Bank


                               By            /s/ Philip S. Durand
                                  ---------------------------------------------
                                  Name:  Philip S. Durand
                                  Title: Principal


                               AMSOUTH BANK


                               By            /s/ Allison J. Sanders
                                  ---------------------------------------------
                                  Name:  Allison J. Sanders
                                  Title: Vice President


                               THE CHASE MANHATTAN BANK


                               By            /s/ Mary Ellen Egbert
                                  ---------------------------------------------
                                  Name:  Mary Ellen Egbert
                                  Title: Vice President


                                       4
<PAGE>   5


                               CITIBANK, N.A.


                               By            /s/ Townsend U. Weekes, Jr.
                                  ---------------------------------------------
                                  Name:  Townsend U. Weeks, Jr.
                                  Title: Attorney-In-Fact


                               CREDIT LYONNAIS NEW YORK BRANCH


                               By            /s/ Henry J. Reukauf
                                  ---------------------------------------------
                                  Name:  Henry J. .Reukauf
                                  Title: Vice President


                               DEBT STRATEGIES FUND, INC.


                               By
                                  ---------------------------------------------
                                  Name:
                                  Title:


                               THE FIRST NATIONAL BANK OF CHICAGO



                               By            /s/ L. Richard Schiller
                                  ---------------------------------------------
                                  Name:  L. Richard Schiller
                                  Title: Vice President


                               FIRST UNION NATIONAL BANK


                               By            /s/ Richard Davis
                                  ---------------------------------------------
                                  Name:  Richard Davis
                                  Title: Vice President


                               FLOATING RATE PORTFOLIO
                               BY:  INVESCO Senior Secured Management, Inc., as
                                    attorney in fact


                               By            /s/ Gregory Stoeckle
                                  ---------------------------------------------
                                  Name:  Gregory Stoeckle
                                  Title: Vice President


                                       5
<PAGE>   6

                               KZH HIGHLAND-2 LLC


                               By            /s/ Virginia Conway
                                  ---------------------------------------------
                                  Name:  Virginia Conway
                                  Title: Authorized Agent


                               MERRILL LYNCH, PIERCE, FENNER &
                                  SMITH INCORPORATED


                               By            /s/ Neil Brisson
                                  ---------------------------------------------
                                  Name:  Neil Brisson
                                  Title: Director


                               MERRILL LYNCH DEBT STRATEGIES
                                   PORTFOLIO, INC.
                                  BY:   MERRILL LYNCH ASSET
                                  MANAGEMENT L.P., as Investment Advisor


                               By
                                  ---------------------------------------------
                                  Name:
                                  Title:


                               MERRILL LYNCH GLOBAL INVESTMENT
                                  SERIES:  INCOME STRATEGIES PORTFOLIO
                                  BY:   MERRILL LYNCH ASSET MANAGEMENT, L.P.,
                                        as Investment Advisor


                               By
                                  ---------------------------------------------
                                  Name:
                                  Title:


                               MERRILL LYNCH SENIOR FLOATING
                                  RATE FUND, INC.


                               By
                                  ---------------------------------------------
                                  Name:
                                  Title:


                               MERRILL LYNCH PRIME RATE PORTFOLIO
                                  BY:   MERRILL LYNCH ASSET
                                  MANAGEMENT, L.P., as Investment Advisor


                               By
                                  ---------------------------------------------
                                  Name:
                                  Title:

                                       6
<PAGE>   7


                               ML CBO IV (CAYMAN) LTD.
                               BY:  HIGHLAND CAPITAL MANAGEMENT L.P.,
                                        as Collateral Manager


                               By            /s/ Mark K. Okada
                                  ---------------------------------------------
                                  Name:  Mark K. Okada CFA
                                  Title: Executive Vice President


                               ML CLO XX PILGRIM AMERICA
                                  (CAYMAN) LTD.
                                  BY:   PILGRIM INVESTMENTS, INC.,
                                        as Investment Manager


                               By            /s/ Jeffrey A. Bakalar
                                  ---------------------------------------------
                                  Name:  Jeffrey A. Bakalar
                                  Title: Vice President


                               MORGAN GUARANTY TRUST COMPANY
                               OF NEW YORK


                               By            /s/ Anna Marie Fallon
                                  ---------------------------------------------
                                  Name:  Anna Marie Fallon
                                  Title: Vice President


                               PAM CAPITAL FUNDING, LP
                                  BY:   HIGHLAND CAPITAL MANAGEMENT, L.P.,
                                             as Collateral Manager


                               By            /s/ Mark K. Okada
                                  ---------------------------------------------
                                  Name:  Mark K. Okada CFA
                                  Title: Executive Vice President


                               PAMCO CAYMAN, LTD.
                                  BY:  HIGHLAND CAPITAL  MANAGEMENT, L.P.,
                                             as Collateral Manager


                               By            /s/ Mark K. Okada
                                  ---------------------------------------------
                                  Name:  Mark K. Okada CFA
                                  Title: Executive Vice President


                                       7
<PAGE>   8

                               PILGRIM PRIME RATE TRUST
                                  BY:   PILGRIM INVESTMENTS, INC.,
                                             as Investment Manager


                               By            /s/ Jeffrey A. Bakalar
                                  ---------------------------------------------
                                  Name:  Jeffrey A. Bakalar
                                  Title: Vice President


                               SCOTIABANC INC.


                               By            /s/ Dana Maloney
                                  ---------------------------------------------
                                  Name:  Dana Maloney
                                  Title: Relationship Manager


                               SRV-HIGHLAND, INC.


                               By            /s/ Kelly C. Walker
                                  ---------------------------------------------
                                  Name:  Kelly C. Walker
                                  Title: Vice President


                               STEIN ROE & FARNHAM INCORPORATED,
                                           as Agent for KEYPORT LIFE INSURANCE
                                                 COMPANY


                               By            /s/ Brian W. Good
                                  ---------------------------------------------
                                  Name:  Brian W. Good
                                  Title: Vice President & Portfolio Manager


                               TORONTO DOMINION (TEXAS), INC.


                               By            /s/ Sonja R. Jordan
                                  ---------------------------------------------
                                  Name:  Sonja R. Jordan
                                  Title: Vice President


                               TRANSAMERICA LIFE INSURANCE AND
                                           ANNUITY CO.


                               By            /s/ John M. Casparian
                                  ---------------------------------------------
                                  Name:  John M. Casparian
                                  Title: Investment Officer


                                       8
<PAGE>   9

                               TRANSAMERICA PREMIER HIGH YIELD FUND


                               By            /s/ Heather Creeden
                                  ---------------------------------------------
                                  Name:  Heather Creeden
                                  Title: Investment Officer


                               VAN KAMPEN PRIME RATE INCOME TRUST


                               By            /s/ Douglas J. Smith
                                  ---------------------------------------------
                                  Name:  Douglas J. Smith
                                  Title: Vice President


                               VAN KAMPEN SENIOR INCOME TRUST


                               By            /s/ Douglas J. Smith
                                  ---------------------------------------------
                                  Name:  Douglas J. Smith
                                  Title: Vice President


                               VAN KAMPEN CLO II, LIMITED
                               BY:      VAN KAMPEN MANAGEMENT, INC.,
                                        as Collateral Manager


                               By            /s/ Douglas J. Smith
                                  ---------------------------------------------
                                  Name:  Douglas J. Smith
                                  Title: Vice President


                               WACHOVIA BANK, N.A.


                               By
                                  ---------------------------------------------
                                  Name:
                                  Title:


                                       9
<PAGE>   10

                          CONSENT TO AMENDMENT NO. 11

                             TO THE LOAN DOCUMENTS

                             As of August 30, 1999

                  Reference is made to Amendment No. 11 to the Loan Documents
dated as of August 30, 1999 (the "AMENDMENT") to the Amended and Restated
Credit Agreement dated as of June 9, 1998 (as amended and otherwise modified by
Amendment No. 1 to the Loan Documents dated as of December 4, 1998, Amendment
No. 2 to the Loan Documents dated as of January 13, 1999, Amendment No. 3 to
the Loan Documents dated as of February 9, 1999, Amendment and Waiver No. 4 to
the Loan Documents dated as of March 18, 1999, Amendment and Waiver No. 5 to
the Loan Documents dated as of April 1, 1999, Amendment No. 6 to the Loan
Documents dated as of April 14, 1999, Amendment No. 7 to the Loan Documents
dated as of June 29, 1999, Amendment No. 8 to the Loan Documents dated as of
August 2, 1999, Amendment No. 9 to the Loan Documents dated as of August 16,
1999 and Amendment No. 10 to the Loan Documents dated as of August 23, 1999,
the "CREDIT AGREEMENT") among MedPartners, Inc., a Delaware corporation, the
Lenders party thereto, Bank of America, N.A. (formerly NationsBank, N.A.), as
the Initial Issuing Bank and Swing Line Bank thereunder, Credit Lyonnais New
York Branch, The First National Bank of Chicago and Morgan Guaranty Trust
Company of New York, as the Syndication Agents therefor, Banc of America
Securities LLC (formerly NationsBanc Montgomery Securities LLC), as Arranger
therefor, and Bank of America, N.A. (formerly NationsBank, N.A.), as the
Administrative Agent for the Lender Parties thereunder. Capitalized terms not
otherwise defined herein shall have the same meanings as specified therefor in
the Credit Agreement.

                  Each of the undersigned, as a guarantor under the
Subsidiaries Guarantee dated as of June 9, 1998 (as modified to the date
hereof, the "SUBSIDIARIES GUARANTEE") in favor of the Guaranteed Parties,
hereby consents to the execution and delivery of the Amendment and the
performance of the Credit Agreement, as amended thereby, and hereby confirms
and agrees that, notwithstanding the effectiveness of the Amendment, the
Subsidiaries Guarantee is, and shall continue to be, in full force and effect
and is hereby in all respects ratified and confirmed, except that each
reference in the Subsidiaries Guarantee to "the Credit Agreement,"
"thereunder," "thereof" or words of like import referring to the Credit
Agreement shall mean and be a reference to the Credit Agreement, as amended by
the Amendment.

                  This Consent may be executed in any number of counterparts
and by different parties hereto in separate counterparts, each of which when so
executed shall be deemed to be an original and all of which taken together
shall constitute one and the same Consent. Delivery of an executed counterpart
of a signature page to this Consent by telecopier shall be effective as
delivery of a manually executed counterpart of this Consent.

                  This Consent shall be governed by, and construed in
accordance with, the laws of the State of New York.

                                  MEDGP, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer



<PAGE>   11

                                  MEDPARTNERS ACQUISITION CORPORATION


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  MEDPARTNERS AVIATION, INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  MEDPARTNERS EAST, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  GEORGIA MEDPARTNERS MANAGEMENT, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  MEDPARTNERS INTEGRATED NETWORK-CHANDLER, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                  MEDPARTNERS PROFESSIONAL
                                  MANAGEMENT CORPORATION


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                       2
<PAGE>   12


                                  ADS HEALTH MANAGEMENT, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  HEALTHWAYS, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  BAY AREA PRACTICE MANAGEMENT GROUP, INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                  CHS MANAGEMENT, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  CAREMARK INTERNATIONAL INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                       3
<PAGE>   13

                                  CAREMARK INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  By        /s/ Leisa Kizer
                                       ----------------------------------------
                                       Name:  Leisa Kizer
                                       Title: Treasurer


                                  CAREMARK PHYSICIAN SERVICES OF TEXAS INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                  PRESCRIPTION HEALTH SERVICES, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  STRATEGIC HEALTHCARE MANAGEMENT, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer



                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary



                                       4
<PAGE>   14

                                  CAREMARK INTERNATIONAL HOLDINGS INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                  MEDPARTNERS PHYSICIAN SERVICES INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                  CAREMARK RESOURCES CORPORATION


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                  FRIENDLY HILLS HEALTHCARE NETWORK INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  MEDPARTNERS NSC LTD.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                  MEDPARTNERS ADMINISTRATIVE SERVICES, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                       5
<PAGE>   15


                                  MEDPARTNERS MANAGED CARE, INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  ACUTE CARE MEDICAL MANAGEMENT, INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  BGS HEALTHCARE, INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  HOME HEALTH AGENCY OF GREATER MIAMI, INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  MEDPARTNERS MANAGED CARE OF SOUTH
                                  BROWARD, INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  MEDPARTNERS MEDICAL MANAGEMENT OF OHIO, INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                       6
<PAGE>   16

                                  LFMG, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                  PACIFIC MEDICAL GROUP, INC.


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  PACIFIC PHYSICIAN SERVICES, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  PPS EAST, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  PPS NORTH CAROLINA MEDICAL MANAGEMENT, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  PPS RIVERSIDE DIVISION ACQUISITION AND
                                  MANAGEMENT CORP. I


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                       7
<PAGE>   17

                                  PPS VALLEY MANAGEMENT, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  By        /s/ Sara J. Finley
                                       ----------------------------------------
                                       Name:  Sara J. Finley
                                       Title: Vice President & Secretary


                                  PPS INDEMNITY, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  PACIFIC PHYSICIAN SERVICES ARIZONA, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  PACIFIC PHYSICIAN SERVICES NEVADA, INC.


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: President & Treasurer


                                  PHYSICIANS' HOSPITAL MANAGEMENT CORPORATION


                                  By        /s/ James H. Dickerson, Jr.
                                       ----------------------------------------
                                       Name:  James H. Dickerson, Jr.
                                       Title: Vice President & Treasurer


                                       8
<PAGE>   18

                              RELIANT HEALTHCARE SYSTEMS, INC.


                              By        /s/ James H. Dickerson, Jr.
                                -------------------------------------------
                                Name:  James H. Dickerson, Jr.
                                Title: President & Treasurer


                              By        /s/ Sara J. Finley
                                -------------------------------------------
                                Name:  Sara J. Finley
                                Title: Vice President & Secretary


                              MEDPARTNERS/TALBERT MEDICAL MANAGEMENT CORPORATION


                              By        /s/ James H. Dickerson, Jr.
                                -------------------------------------------
                                Name:  James H. Dickerson, Jr.
                                Title: Vice President & Treasurer


                              TALBERT MEDICAL MANAGEMENT CORPORATION


                              By        /s/ James H. Dickerson, Jr.
                                -------------------------------------------
                                Name:  James H. Dickerson, Jr.
                                Title: Vice President & Treasurer


                              TALBERT HEALTH SERVICES CORPORATION


                              By        /s/ James H. Dickerson, Jr.
                                -------------------------------------------
                                Name:  James H. Dickerson, Jr.
                                Title: Vice President & Treasurer


                              MEDPARTNERS ADMINISTRATION, L.P.


                              By        /s/ James H. Dickerson, Jr.
                                -------------------------------------------
                                Name:  James H. Dickerson, Jr.
                                Title: Executive Vice President & Treasurer
                                       of MedPartners, Inc., the General
                                       Partner


                                   9
<PAGE>   19

                               MEDPARTNERS PHYSICIAN MANAGEMENT, L.P.


                               By        /s/ James H. Dickerson, Jr.
                                 -------------------------------------------
                                 Name:  James H. Dickerson, Jr.
                                 Title: Executive Vice President of
                                        MedPartners, Inc., the General
                                        Partner


                               MEDOHIO, L.P.


                               By        /s/ James H. Dickerson, Jr.
                                 -------------------------------------------
                                 Name:  James H. Dickerson, Jr.
                                 Title: President & Treasurer of MedGP, Inc.,
                                        the General Partner


                               MED TENNESSEE, INC.


                               By        /s/ James H. Dickerson, Jr.
                                 -------------------------------------------
                                 Name:  James H. Dickerson, Jr.
                                 Title: President & Treasurer


                               MEDTEX, L.P.

                               By        /s/ James H. Dickerson, Jr.
                                 -------------------------------------------
                                 Name:  James H. Dickerson, Jr.
                                 Title: President & Treasurer of MedGP, Inc.,
                                        the General Partner


                               MEDPARTNERS PHYSICIAN SERVICES OF ILLINOIS L.L.C.


                               By        /s/ James H. Dickerson, Jr.
                                 -------------------------------------------
                                 Name:  James H. Dickerson, Jr.
                                 Title: Vice President & Treasurer of
                                        North Suburban Clinic, Ltd.,
                                        a Member


                                   10
<PAGE>   20

                               CERRITOS INVESTMENT GROUP


                               By        /s/ James H. Dickerson, Jr.
                                 ----------------------------------------------
                                 Name:  James H. Dickerson, Jr.
                                 Title: Executive Vice President & Chief
                                        Financial Officer of MedPartners, Inc.,
                                        a Partner


                               By        /s/ Sara J. Finley
                                 ----------------------------------------------
                                 Name:  Sara J. Finley
                                 Title: Corporate Secretary of
                                        MedPartners, Inc., a Partner


                               CERRITOS INVESTMENT GROUP II


                               By        /s/ James H. Dickerson, Jr.
                                 ----------------------------------------------
                                 Name:  James H. Dickerson, Jr.
                                 Title: Executive Vice President & Chief
                                        Financial Officer of MedPartners, Inc.,
                                        a Partner


                               By        /s/ Sara J. Finley
                                 ----------------------------------------------
                                 Name:  Sara J. Finley
                                        Corporate Secretary of
                                        MedPartners, Inc., a Partner


                               FAMILY MEDICAL CENTER


                               By        /s/ Sara J. Finley
                                 ----------------------------------------------
                                 Name:  Sara J. Finley
                                 Title: Vice President & Secretary of
                                        Pacific Medical Group, Inc., a Partner


                                      11
<PAGE>   21

                               5000 AIRPORT PLAZA, L.P.


                               By        /s/ James H. Dickerson, Jr.
                                 ----------------------------------------------
                                 Name:  James H. Dickerson, Jr.
                                 Title: Executive Vice President & Chief
                                        Financial Officer of MedPartners, Inc.,
                                        the General Partner


                               By        /s/ Sara J. Finley
                                 ----------------------------------------------
                                 Name:  Sara J. Finley
                                 Title: Corporate Secretary of
                                        MedPartners, Inc., the General Partner


                               KS-PSI OF TEXAS L.P.


                               By        /s/ James H. Dickerson, Jr.
                                 ----------------------------------------------
                                 Name:  James H. Dickerson, Jr.
                                 Title: Vice President & Treasurer of
                                        MedPartners Physician Services, Inc.,
                                        the General Partner





                                      12