AMERICAN SHARED HOSPITAL SERVICES
SC 13D, 1998-03-23
MEDICAL LABORATORIES
Previous: NORTHERN STATES FINANCIAL CORP /DE/, DEF 14A, 1998-03-23
Next: SEALY CORP, 8-K, 1998-03-23



<PAGE>
 
                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C.  20549

                                 SCHEDULE 13D
                   UNDER THE SECURITIES EXCHANGE ACT OF 1934

                            (AMENDMENT NO.     )(1)

                       AMERICAN SHARED HOSPITAL SERVICES
- --------------------------------------------------------------------------------
                               (Name of Issuer)
 
                          COMMON STOCK, NO PAR VALUE
- --------------------------------------------------------------------------------
                        (Title of Class of Securities)
 
                                   029595105
                       --------------------------------
                                (CUSIP Number)

                             MR. JOSHUA J. HARRIS
                          C/O APOLLO MANAGEMENT, L.P.
                    1301 AVENUE OF THE AMERICAS, 38TH FLOOR
                           NEW YORK, NEW YORK  10019
                                (212) 261-4000
 
                                WITH COPIES TO:
 
MICHAEL D. WEINER, ESQ.                                ILAN S. NISSAN, ESQ.
APOLLO MANAGEMENT, L.P.                         O'SULLIVAN GRAEV & KARABELL, LLP
1999 AVENUE OF THE STARS, SUITE 1900           30 ROCKEFELLER PLAZA, 41ST FLOOR
LOS ANGELES, CALIFORNIA  90067                      NEW YORK, NEW YORK  10112
(310) 201-4100                                           (212) 408-2400

- ------------------------------------------------------------------------------- 
     (Name, Address and Telephone Number of Person Authorized to Receive 
                          Notices and Communications)


                                March 12, 1998
                   ----------------------------------------
            (Date of Event which Requires Filing of this Statement)
 
If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e), Rule 13d-1(f) or Rule 13d-1(g), check the
following box [_].
 
NOTE:  Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7(b) for other
parties to whom copies are to be sent.

/1/ The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities and for any subsequent amendment containing information which would
alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
<PAGE>
 
                                 SCHEDULE 13D

 
CUSIP NO.  029595105
          _______________                               Page 2 of 16 Pages
                                                            ___  ___

1       NAME OF REPORTING PERSON
        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
        EMBARCADERO HOLDING CORP. I
- --------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (a)  [X]
                                                                (b)  [_]
- --------------------------------------------------------------------------------
3       SEC USE ONLY
 
- --------------------------------------------------------------------------------
4       SOURCE OF FUNDS*

             N/A
- --------------------------------------------------------------------------------
5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
        REQUIRED PURSUANT TO ITEM 2(d) OR 2(e).                      [_]
- --------------------------------------------------------------------------------
6       CITIZENSHIP OR PLACE OF ORGANIZATION

        DELAWARE
- --------------------------------------------------------------------------------
                                          
  NUMBER OF     7       SOLE VOTING POWER 
                                          
    SHARES              2,784,217 shares of Common Stock (includes 1,495,000
                        shares issuable upon exercise of options)
                ----------------------------------------------------------------
 BENEFICIALLY   8       SHARED VOTING POWER     
   OWNED BY             0
                ----------------------------------------------------------------
     EACH       9       SOLE DISPOSITIVE POWER   
  REPORTING             0
                ----------------------------------------------------------------
    PERSON      10      SHARED DISPOSITIVE POWER                                
     WITH               0
- --------------------------------------------------------------------------------
11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,784,217 shares of Common Stock (includes 1,495,000 shares 
        issuable upon exercise of options)                 
- --------------------------------------------------------------------------------
12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
 
                                                                         [_]
- --------------------------------------------------------------------------------
13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              
 
        44.4%
- --------------------------------------------------------------------------------
14      TYPE OF REPORTING PERSON*
 
        CO
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>
 
                                SCHEDULE 13D
 
CUSIP NO.  029595105
          _______________                               Page 3 of 16 Pages
                                                            ___  ___

1       NAME OF REPORTING PERSON
        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
        ALLIANCE IMAGING, INC.
- --------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (a)  [X]
                                                                (b)  [_]
- --------------------------------------------------------------------------------
3       SEC USE ONLY
 
- --------------------------------------------------------------------------------
4       SOURCE OF FUNDS*

             N/A
- --------------------------------------------------------------------------------
5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
        REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e).                      [_]
- --------------------------------------------------------------------------------
6       CITIZENSHIP OR PLACE OF ORGANIZATION

        DELAWARE
- --------------------------------------------------------------------------------
                                          
  NUMBER OF     7       SOLE VOTING POWER 
                                          
    SHARES              2,784,217 shares of Common Stock (includes 1,495,000
                        shares issuable upon exercise of options)
                ----------------------------------------------------------------
 BENEFICIALLY   8       SHARED VOTING POWER     
   OWNED BY             0
                ----------------------------------------------------------------
     EACH       9       SOLE DISPOSITIVE POWER   
  REPORTING             0
                ----------------------------------------------------------------
    PERSON      10      SHARED DISPOSITIVE POWER                                
     WITH               0
- --------------------------------------------------------------------------------
11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,784,217 shares of Common Stock (includes 1,495,000 shares 
        issuable upon exercise of options)                 
- --------------------------------------------------------------------------------
12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
 
                                                                         [_]
- --------------------------------------------------------------------------------
13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              
 
        44.4%
- --------------------------------------------------------------------------------
14      TYPE OF REPORTING PERSON*
 
        CO
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>

                                 SCHEDULE 13D 
 
CUSIP NO.  029595105
          _______________                               Page 4 of 16 Pages
                                                            ___  ___

1       NAME OF REPORTING PERSON
        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
        NEWPORT INVESTMENT LLC
- --------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (a)  [X]
                                                                (b)  [_]
- --------------------------------------------------------------------------------
3       SEC USE ONLY
 
- --------------------------------------------------------------------------------
4       SOURCE OF FUNDS*

             N/A
- --------------------------------------------------------------------------------
5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
        REQUIRED PURSUANT TO ITEMS 2(d) or 2(e).                      [_]
- --------------------------------------------------------------------------------
6       CITIZENSHIP OR PLACE OF ORGANIZATION

        DELAWARE
- --------------------------------------------------------------------------------
                                          
  NUMBER OF     7       SOLE VOTING POWER 
                                          
    SHARES              2,784,217 shares of Common Stock (includes 1,495,000
                        shares issuable upon exercise of options)
                ----------------------------------------------------------------
 BENEFICIALLY   8       SHARED VOTING POWER     
   OWNED BY             0
                ----------------------------------------------------------------
     EACH       9       SOLE DISPOSITIVE POWER   
  REPORTING             0
                ----------------------------------------------------------------
    PERSON      10      SHARED DISPOSITIVE POWER                                
     WITH               0
- --------------------------------------------------------------------------------
11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,784,217 shares of Common Stock (includes 1,495,000 shares 
        issuable upon exercise of options)                 
- --------------------------------------------------------------------------------
12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
 
                                                                         [_]
- --------------------------------------------------------------------------------
13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              
 
        44.4%
- --------------------------------------------------------------------------------
14      TYPE OF REPORTING PERSON*
 
        HC*
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!

 
<PAGE>
 
                                 SCHEDULE 13D  
 
CUSIP NO.  029595105
          _______________                               Page 5 of 16 Pages
                                                            ___  ___

1       NAME OF REPORTING PERSON
        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
        APOLLO INVESTMENT FUND III, L.P.
- --------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (a)  [X]
                                                                (b)  [_]
- --------------------------------------------------------------------------------
3       SEC USE ONLY
 
- --------------------------------------------------------------------------------
4       SOURCE OF FUNDS*

             N/A
- --------------------------------------------------------------------------------
5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
        REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e).                      [_]
- --------------------------------------------------------------------------------
6       CITIZENSHIP OR PLACE OF ORGANIZATION

        DELAWARE
- --------------------------------------------------------------------------------
                                          
  NUMBER OF     7       SOLE VOTING POWER 
                                          
    SHARES              2,784,217 shares of Common Stock (includes 1,495,000
                        shares issuable upon exercise of options)
                ----------------------------------------------------------------
 BENEFICIALLY   8       SHARED VOTING POWER     
   OWNED BY             0
                ----------------------------------------------------------------
     EACH       9       SOLE DISPOSITIVE POWER   
  REPORTING             0
                ----------------------------------------------------------------
    PERSON      10      SHARED DISPOSITIVE POWER                                
     WITH               0
- --------------------------------------------------------------------------------
11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,784,217 shares of Common Stock (includes 1,495,000 shares 
        issuable upon exercise of options)                 
- --------------------------------------------------------------------------------
12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
 
                                                                         [_]
- --------------------------------------------------------------------------------
13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              
 
        44.4%
- --------------------------------------------------------------------------------
14      TYPE OF REPORTING PERSON*
 
        PN
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>

                                 SCHEDULE 13D   
 
CUSIP NO.  029595105
          _______________                               Page 6 of 16 Pages
                                                            ___  ___

1       NAME OF REPORTING PERSON
        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
        APOLLO OVERSEAS PARTNERS III, L.P.
- --------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (a)  [X]
                                                                (b)  [_]
- --------------------------------------------------------------------------------
3       SEC USE ONLY
 
- --------------------------------------------------------------------------------
4       SOURCE OF FUNDS*

             N/A
- --------------------------------------------------------------------------------
5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
        REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e).                      [_]
- --------------------------------------------------------------------------------
6       CITIZENSHIP OR PLACE OF ORGANIZATION

        DELAWARE
- --------------------------------------------------------------------------------
                                          
  NUMBER OF     7       SOLE VOTING POWER 
                                          
    SHARES              2,784,217 shares of Common Stock (includes 1,495,000
                        shares issuable upon exercise of options)
                ----------------------------------------------------------------
 BENEFICIALLY   8       SHARED VOTING POWER     
   OWNED BY             0
                ----------------------------------------------------------------
     EACH       9       SOLE DISPOSITIVE POWER   
  REPORTING             0
                ----------------------------------------------------------------
    PERSON      10      SHARED DISPOSITIVE POWER                                
     WITH               0
- --------------------------------------------------------------------------------
11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,784,217 shares of Common Stock (includes 1,495,000 shares 
        issuable upon exercise of options)                 
- --------------------------------------------------------------------------------
12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
 
                                                                         [_]
- --------------------------------------------------------------------------------
13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              
 
        44.4%
- --------------------------------------------------------------------------------
14      TYPE OF REPORTING PERSON*
 
        PN
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!




<PAGE>
 
                                 SCHEDULE 13D   
 
CUSIP NO.  029595105
          _______________                               Page 7 of 16 Pages
                                                            ___  ___

1       NAME OF REPORTING PERSON
        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
        APOLLO (U.K.) PARTNERS III, L.P.
- --------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (a)  [X]
                                                                (b)  [_]
- --------------------------------------------------------------------------------
3       SEC USE ONLY
 
- --------------------------------------------------------------------------------
4       SOURCE OF FUNDS*

             N/A
- --------------------------------------------------------------------------------
5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
        REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e).                      [_]
- --------------------------------------------------------------------------------
6       CITIZENSHIP OR PLACE OF ORGANIZATION

        UNITED KINGDOM
- --------------------------------------------------------------------------------
                                          
  NUMBER OF     7       SOLE VOTING POWER 
                                          
    SHARES              2,784,217 shares of Common Stock (includes 1,495,000
                        shares issuable upon exercise of options)
                ----------------------------------------------------------------
 BENEFICIALLY   8       SHARED VOTING POWER     
   OWNED BY             0
                ----------------------------------------------------------------
     EACH       9       SOLE DISPOSITIVE POWER   
  REPORTING             0
                ----------------------------------------------------------------
    PERSON      10      SHARED DISPOSITIVE POWER                                
     WITH               0
- --------------------------------------------------------------------------------
11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,784,217 shares of Common Stock (includes 1,495,000 shares 
        issuable upon exercise of options)                 
- --------------------------------------------------------------------------------
12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
 
                                                                         [_]
- --------------------------------------------------------------------------------
13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              
 
        44.4%
- --------------------------------------------------------------------------------
14      TYPE OF REPORTING PERSON*
 
        PN
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>

                                 SCHEDULE 13D    
 
CUSIP NO.  029595105
          _______________                               Page 8 of 16 Pages
                                                            ___  ___

1       NAME OF REPORTING PERSON
        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
        APOLLO ADVISORS II, L.P.
- --------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (a)  [X]
                                                                (b)  [_]
- --------------------------------------------------------------------------------
3       SEC USE ONLY
 
- --------------------------------------------------------------------------------
4       SOURCE OF FUNDS*

             N/A
- --------------------------------------------------------------------------------
5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
        REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e).                      [_]
- --------------------------------------------------------------------------------
6       CITIZENSHIP OR PLACE OF ORGANIZATION

        DELAWARE
- --------------------------------------------------------------------------------
                                          
  NUMBER OF     7       SOLE VOTING POWER 
                                          
    SHARES              2,784,217 shares of Common Stock (includes 1,495,000
                        shares issuable upon exercise of options)
                ----------------------------------------------------------------
 BENEFICIALLY   8       SHARED VOTING POWER     
   OWNED BY             0
                ----------------------------------------------------------------
     EACH       9       SOLE DISPOSITIVE POWER   
  REPORTING             0
                ----------------------------------------------------------------
    PERSON      10      SHARED DISPOSITIVE POWER                                
     WITH               0
- --------------------------------------------------------------------------------
11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,784,217 shares of Common Stock (includes 1,495,000 shares 
        issuable upon exercise of options)                 
- --------------------------------------------------------------------------------
12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
 
                                                                     [_]
- --------------------------------------------------------------------------------
13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)              
 
        44.4%
- --------------------------------------------------------------------------------
14      TYPE OF REPORTING PERSON*
 
        PN
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>
 
                                                              Page 9 of 16 Pages
                                                                  ---   ---

ITEM 1.  SECURITY AND ISSUER

         This statement relates to the common stock, no par value ("Common
         Stock"), of American Shared Hospital Services, a California corporation
         (the "Company"). The address of the principal executive office of the
         Company is 4 Embarcadero Center, Suite 3620, San Francisco, California
         94111-4155.

ITEM 2.  IDENTITY AND BACKGROUND

(a)-(c)
and (f)  This statement is filed jointly by Embarcadero Holding Corp. I, a
         Delaware corporation ("Holdings I"), Alliance Imaging, Inc., a Delaware
         corporation ("Alliance"), Newport Investment LLC, a Delaware limited
         liability company ("Newport"), Apollo Investment Fund III, L.P., a
         Delaware limited partnership ("AIF III"), Apollo Overseas Partners III,
         L.P., a Delaware limited partnership ("Overseas Partners"), Apollo
         (U.K.) Partners III, L.P., a limited partnership organized under the
         laws of the United Kingdom ("U.K. Partners" and, together with AIF III
         and Overseas Partners, the "Apollo Purchasers") and Apollo Advisors II,
         L.P., a Delaware limited partnership ("Advisors") and the general
         partner of each of the Apollo Purchasers. The foregoing entities are
         hereinafter referred to collectively as the "Reporting Entities." The
         Reporting Entities are making this joint filing because they may be
         deemed to constitute a "group" within the meaning of Section 13d(3) of
         the Securities Exchange Act of 1934 (the "Exchange Act").

         Holdings I was formed solely to consummate the transactions
         contemplated by the Securities Purchase Agreement (the "Purchase
         Agreement"), dated as of March 12, 1998 among the Company, MMRI, Inc.,
         a California corporation ("MMRI"), Holdings I, Embarcadero Holding
         Corp. II, a Delaware corporation ("Holdings II" and, together with
         Holdings I, "Holdings") and Alliance. It is not anticipated that
         Holdings I will have any significant assets or liabilities other than
         those arising in connection with the Purchase Agreement and the
         transactions contemplated thereby, or engage in any activities other
         than those incident to its formation and transactions contemplated by
         the Purchase Agreement. The principal office of Holdings I is c/o
         Alliance Imaging, Inc., 1065 PacifiCenter Drive, Suite 200, Anaheim,
         California 92806. Holdings I is a wholly-owned subsidiary of Alliance.
         Alliance is engaged in the business of providing comprehensive
         diagnostic imaging services to hospitals and other healthcare providers
         on either a mobile, shared-user basis or on a full-time, single-user
         basis. Alliance is a majority-owned subsidiary of Newport. Newport is
         principally engaged in the business of owning capital stock of
         Alliance. The principal office of Newport is c/o Apollo Advisors II,
         L.P., Two Manhattanville Road, Purchase, New York 10577. All of the
         interests in Newport are owned by the Apollo Purchasers.

         Each of the Apollo Purchasers is principally engaged in the business of
         investing in securities. The principal office of each of the Apollo
         Purchasers is c/o Apollo Advisors II, L.P., Two Manhattanville Road,
         Purchase, New York, 10577.

         Advisors is the managing general partner of each of the Apollo
         Purchasers. Advisors is principally engaged in the business of serving
         as managing general partner of the Apollo Purchasers.

         Apollo Capital Management II, Inc., a Delaware corporation ("Apollo
         Capital"), is the general partner of Advisors. Apollo Capital is
         principally engaged in the business of serving as general partner to
         Advisors.

         Apollo Management, L.P., a Delaware limited partnership ("Apollo
         Management"), serves as manager of the Apollo Purchasers and manages
         their day-to-day operations.

         AIF III Management, Inc., a Delaware corporation ("AIM"), is the
         general partner of Apollo Management. AIM is principally engaged in the
         business of serving as general partner to Apollo Management.

        The respective addresses of the principal office of Advisors, Apollo
        Capital, Apollo Management and AIM are c/o Apollo Advisors II, L.P., Two
        Manhattanville Road, Purchase, New York 10577.

                                                              Page 9 of 16 Pages
                                                                  ---   ---
<PAGE>

                                                             Page 10 of 16 Pages

        Apollo Fund Administration II LDC, a Cayman Islands LDC
        ("Administration"), is the administrative general partner of each of
        Overseas Partners and U.K. Partners. Administration is principally
        engaged in the business of serving as administrative general partner of
        Overseas Partners and U.K. Partners. The principal place of business of
        Administration is Apollo Fund Administration II LDC, c/o CIBC Bank and
        Trust Company (Cayman) Limited ("CIBC"), Edward Street, Georgetown,
        Grand Cayman, Cayman Islands, British West Indies.

        Schedule I to this statement contains information concerning the
        Reporting Entities and other persons and entities as to which such
        information is required to be disclosed in response to Item 2 and
        General Instruction C to Schedule 13D.

(d)-(e) None of the Reporting Entities, Apollo Capital, Apollo Management, AIM,
        Administration nor any of the persons or entities referred to in
        Schedule I has, during the last five years, been convicted in a criminal
        proceeding (excluding traffic violations and similar misdemeanors) or
        been a party to a civil proceeding of a judicial or administrative body
        of competent jurisdiction and as a result of such proceeding was or is
        subject to a judgment, decree, or final order enjoining future
        violations of, or prohibiting or mandating activities subject to,
        Federal or state securities laws or finding any violation with respect
        to such laws.

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION
 
        Certain of the stockholders of the Company entered into the Stockholder
        Agreements (as defined and as described in Item 4) in consideration of
        Holdings entering into the Purchase Agreement. No funds have been paid
        or other consideration given in connection with the execution and
        delivery of the Stockholder Agreements.

ITEM 4. PURPOSE OF THE TRANSACTION

        On March 12, 1998, Holdings and Alliance entered into the Purchase
        Agreement with the Company and MMRI. Subject to the satisfaction or
        waiver of certain terms and conditions of the Purchase Agreement,
        Holdings will acquire all of the capital stock of CuraCare, Inc., a
        Delaware corporation and all of the general partnership interests of
        American Shared-CuraCare, a California general partnership. In
        connection with the Purchase Agreement, Holdings has also entered into
        Stockholder Agreements, each dated as of March 12, 1998 with certain
        stockholders of the Company (collectively, the "Stockholder
        Agreements"). Pursuant to the Stockholder Agreements, stockholders of
        the Company that own approximately 44.4% of the issued and outstanding
        shares of Common Stock of the Company (assuming the issuance of
        1,495,000 shares of Common Stock issuable upon the full exercise of an
        option to purchase such shares of Common Stock (the "Option")) have
        agreed to vote, and have granted a proxy to vote their shares of Common
        Stock (including the shares which are issuable upon the exercise of the
        Option), in favor of the Purchase Agreement and the transactions
        contemplated thereby.

        Each of the Purchase Agreement and the Stockholder Agreements contains
        other terms and conditions. The foregoing description of such agreements
        is qualified in its entirety by reference to the text of such
        agreements, which are filed as exhibits to this Schedule 13D and are
        incorporated by reference herein.
<PAGE>
 
                                                             Page 11 of 16 Pages
                                                                  ---  ---



ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER

(a)and
(b)      The Reporting Entities beneficially own and have power to vote and, or
         to direct the vote of, an aggregate of 2,784,217 shares of Common
         Stock, representing approximately 44.4% of the issued and outstanding
         shares of Common Stock of the Company (assuming the exercise in full of
         the Option). AIF II, L.P., a Delaware limited partnership ("AIF II")
         and Lion Advisors, L.P., a Delaware limited partnership ("Lion" and,
         together with AIF II, the "Related Parties"), each of which have
         certain relationships with the Reporting Entities, collectively have
         beneficial ownership of 554,947 shares of Common Stock (including
         115,629 warrants) or 11.4% of the shares of Common Stock outstanding.
         The Related Parties have not joined and are not parties to the
         Stockholder Agreements.

(c)      Not applicable.

(d)      Not applicable.

(e)      Not applicable.

ITEM 6.  CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS, OR RELATIONSHIPS WITH RESPECT
         TO SECURITIES OF THE ISSUER

         The responses set forth in Item 4 and Item 5 are incorporated herein.

         Pursuant to the Stockholder Agreements, certain stockholders have
         agreed to vote, or have granted an irrevocable proxy to Holdings I to
         vote such stockholders' shares of Common Stock, or grant a consent or
         approval in respect of such shares of Common Stock against (i) any
         Alternative Transaction (as defined in the Stockholder Agreements),
         (ii) any amendment of the Company's certificate of incorporation or by-
         laws or other proposal or transaction involving the Company, which
         amendment or other proposal or transaction could impede, frustrate,
         prevent or nullify the Purchase Agreement or any of the transactions
         contemplated thereby or change in any manner the voting rights of any
         class of the Company's capital stock, or (iii) any action that could
         cause the Company to breach any representation, warranty or covenant
         contained in the Purchase Agreement. Pursuant to the Stockholder
         Agreements, such stockholders have agreed to vote the shares of Common
         Stock held by them in favor of (i) the Company entering into the
         Purchase Agreement and (ii) the approval of the terms thereof and each
         of the transactions contemplated thereby.

         Such stockholders have also agreed, among other things, not to: (1)
         sell, transfer, give, pledge or otherwise dispose of, or enter into any
         contract, option or other arrangement with respect to the sale,
         transfer, pledge, assignment or other disposition of, the shares of
         Common Stock owned by each such stockholder other than pursuant to the
         terms of the Purchase Agreement, (2) enter into any voting arrangement,
         directly or indirectly, whether by proxy, voting agreement or
         otherwise, in respect of such shares, (3) directly or indirectly
         solicit, initiate or encourage the submission of, any proposal that may
         lead to an Alternative Transaction, except as permitted by the Purchase
         Agreement, or (4) directly or indirectly participate in any discussions
         or negotiations regarding any Alternative Transaction (or, in each
         case, permit any investment banker, financial advisor, attorney,
         accountant or other representative to do any of the foregoing), except
         as permitted by the Purchase Agreement.
<PAGE>
 
                                                             Page 12 of 16 Pages
                                                                 ---  ---

ITEM 7.  MATERIAL TO BE FILED AS AN EXHIBIT

(a)      Stockholder Agreement, dated as of March 12, 1998, among Holdings and
         certain stockholders of the Company.

(b)      Stockholder Agreement, dated as of March 12, 1998 among Holdings and
         Ernest Bates, M.D.

(c)      Securities Purchase Agreement, dated as of March 12, 1998, among the
         Company, Alliance, Holdings, and MMRI.
<PAGE>
 
                                                             Page 13 of 16 Pages
                                                                  ---  ---

     After reasonable inquiry and to the best of their knowledge and belief, the
undersigned certify that the information set forth below in this statement is
true, complete and correct.  In addition, by signing below, the undersigned
agree that this Schedule 13D may be filed jointly on behalf of each of
Embarcadero Holding Corp. I, Alliance Imaging, Inc., Newport Investment LLC,
Apollo Investment Fund III, L.P., Apollo Overseas Partners III, L.P., Apollo
(U.K.) Partners III, L.P. and Apollo Advisors II, L.P.

Dated as of the 23rd day of March 1998.

EMBARCADERO HOLDING CORP. I


By: /s/ Joshua J. Harris
    ____________________________________________
    Name:   Joshua J. Harris
    Title:  Vice President


ALLIANCE IMAGING, INC.


By: /s/ Richard N. Zehner 
    _____________________________________________
    Name:   Richard N. Zehner
    Title:  Chairman and Chief Executive Officer


NEWPORT INVESTMENT LLC

By: /s/ Michael D. Weiner
    __________________________________________
    Name:  Michael D. Weiner
    Title: Vice President


APOLLO INVESTMENT FUND III, L.P.

By:  Apollo Advisors II, L.P.,
     its General Partner
By:  Apollo Capital Management II, Inc.,
     its General Partner

By: /s/ Michael D. Weiner
    __________________________________________
    Name:  Michael D. Weiner
    Title: Vice President
<PAGE>
 
                                                             Page 14 of 16 Pages
                                                                  ---  ---



APOLLO OVERSEAS PARTNERS III, L.P.

By:  Apollo Advisors II, L.P.,
     its General Partner
By:  Apollo Capital Management II, Inc.,
     its General Partner

By:  /s/ Michael D. Weiner
     ___________________________________
     Name:  Michael D. Weiner
     Title: Vice President


APOLLO (U.K) PARTNERS III, L.P.

     
By:  Apollo Advisors II, L.P.,
     its General Partner
By:  Apollo Capital Management II, Inc.,
     its General Partner

By:  /s/ Michael D. Weiner
     ___________________________________
     Name:  Michael D. Weiner
     Title: Vice President


APOLLO ADVISORS II, L.P.

By:  Apollo Capital Management II, Inc.,
     its General Partner

By:  /s/ Michael D. Weiner
     ___________________________________
     Name:  Michael D. Weiner
     Title: Vice President

<PAGE>
 
                                                             Page 15 of 16 Pages
                                                                  ---  ---



                                   SCHEDULE I
                                   ----------

     The following sets forth information with respect to the general partners,
executive officers, directors and principal stockholders of the Reporting
Entities and certain related persons.  Except as otherwise indicated in this
Schedule I or in the Schedule 13D to which this Schedule I relates, the
principal business address of each person or entity set forth below is c/o
Apollo Advisors II, L.P., Two Manhattanville Road, Purchase, New York 10577, and
each such person or entity is a citizen of the United States of America.

     The directors of Apollo Capital are Messrs. Leon D. Black and John J.
Hannan.  The principal occupation of each of Messrs. Black and Hannan is to act
as an executive officer and director of Apollo Capital and AIM.  Messrs. Black
and Hannan are also limited partners of Advisors and Apollo Management.

     Messrs. Black and Hannan are also founding principals of Apollo Advisors,
L.P. ("Apollo Advisors"), Lion and Apollo Real Estate Advisors, L.P. ("AREA").
The principal business of Apollo Advisors and Lion is to provide advice
regarding investments in securities and the principal business of AREA is to
provide advice regarding investments in real estate and real estate-related
investments.  The business address of each of Messrs. Black and Hannan is c/o
Apollo Management, L.P., 1301 Avenue of the Americas, New York, New York 10019.

     Peter Henry Larder, Michael Francis Benedict Gillooly, Ian Thomas Patrick
and Martin William Laidlaw, each of whom is a British citizen, serve as
directors of Administration.  Each of the above four individuals is principally-
employed by CIBC in the following positions:  Mr. Larder, Managing Director,
Mr. Gillooly, Deputy Managing Director, Mr. Patrick, Manager-Accounting Services
and Mr. Laidlaw, Senior Fund Accountant.  CIBC is a Cayman Islands corporation
which is principally engaged in the provision of trust, banking and corporate
administration services, the principal address of which is Edward Street Grand
Cayman, Cayman Islands, British West Indies.  It provides accounting,
administrative and other services to Administration pursuant to a contract.  Mr.
Leon D. Black is the beneficial owner of the stock of Administration.

     Michael S. Gross is a founding principal of Apollo Advisors, Lion and AREA,
a member of the board of directors of Holdings and the Chairman  of the Board
and President of Holdings.  Mr. Gross has served as an officer of certain
affiliates of the Apollo Purchasers since 1990.  Mr. Gross is a director of
Allied Waste Industries, Inc., Breuners Home Furnishings Corporation, Converse
Inc., Florsheim Group Inc., Furniture Brands International, Inc. and Imagyn
Medical Technology.

     Joshua J. Harris is a member of the board of directors of Holdings and is
the Vice President, Treasurer and Assistant Secretary of Holdings.  Mr. Harris
has served as an officer of certain affiliates of the Apollo Purchasers having
been associated with them since 1990.  Mr. Harris is a director of Converse
Inc., Breuners Home Furnishings Corporation, Florsheim Group Inc. and NRT
Incorporated.

     Scott Kleinman is a member of the board of directors of Holdings and the
Secretary of Holdings.  Mr. Kleinman has served as an Associate of certain
affiliates of the Apollo Purchasers since January 1996.  Prior to January 1996,
Mr. Kleinman was employed by Smith Barney Inc.

     Richard N. Zehner has been the Chairman and Chief Executive Officer of
Alliance since November 1988.  Mr. Zehner was a founder and has been the
President of Alliance and its predecessors since 1983.  From 1987 until November
1988 he served as a director and President and Chief Operating Officer of
Alliance.

     Vincent S. Pino has been the President and Chief Operating Officer of
Alliance since December 1991 and August 1993, respectively, and a director of
Alliance since June 1991.  From November 1988 to August 1993, he was the Chief
Financial Officer of Alliance.
<PAGE>
 
                                                             Page 16 of 16 Pages
                                                                  ---  ---

     Kenneth S. Ord joined Alliance in February 1998 as Senior Vice President,
Chief Financial Officer and Secretary.

     Terry A. Andrues has been a Senior Vice President of Customer Support of
Alliance since 1991 and a Vice President of Customer Support since 1988.  From
1987 to 1988, Mr. Andrues acted as a marketing representative of Alliance.

     Jay A. Mericle has acted as a Senior Vice President of Alliance since 1988
and technical marketing manager of Alliance since 1986.

     Robert H. Falk has been an officer of certain affiliates of the Apollo
Purchasers since 1992.  Prior to 1992, Mr. Falk was a partner in the law firm of
Skadden, Arps, Slate, Meagher & Flom LLP.  Mr. Falk is also a director of
Converse Inc., Culligan Water Technologies, Inc., Florsheim Group Inc. and
Samsonite Corporation.

     Michael D. Weiner has been an officer of certain affiliates of the Apollo
Purchasers since 1992.  Prior to 1992, Mr. Weiner was a partner in the law firm
of Morgan, Lewis & Bockius LLP.  Mr. Weiner is also a director of Converse Inc.,
Continental Graphics Holdings, Inc., Florsheim Group Inc., NRT Incorporated and
WMC Finance Co.


© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission