INTENSIVA HEALTHCARE CORP
SC 13D, 1996-11-25
SKILLED NURSING CARE FACILITIES
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<PAGE>
 
                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                 SCHEDULE 13D

                   Under the Securities Exchange Act of 1934
                            (Amendment No. _____)*

                       Intensiva HealthCare Corporation
- --------------------------------------------------------------------------------
                               (Name of Issuer)

                   Common Stock, $0.001 par value per share
- --------------------------------------------------------------------------------
                        (Title of Class of Securities)

                                   45815Y105
                ----------------------------------------------
                                (CUSIP Number)

           George A. Pavlov c/o Mayfield Fund, 2800 Sand Hill Road, 
- --------------------------------------------------------------------------------
                        Suite 250, Menlo Park, CA 94025
- --------------------------------------------------------------------------------
(Name, Address and Telephone Number of Person Authorized to Receive Notices and
                                Communications)

                               November 13, 1996
            -------------------------------------------------------
            (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(b)(3) or (4), check the following box [_].

NOTE: Six copies of this statement, including all exhibits, should be filed with
the Commission.  See Rule 13d-1(a) for other parties to whom copies are to be
sent.

*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 1 of 17
<PAGE>
 
<TABLE>
<CAPTION>
                                                SCHEDULE 13D
<S>       <C>                                                                                       <C> 
- -------------------------------------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                                           |       PAGE   2   OF  17  PAGES        |
|                       |                                           |             ---      ---              |
- -------------------------------------------------------------------------------------------------------------
                                                                                                             
- -------------------------------------------------------------------------------------------------------------
|  1  |   NAME OF REPORTING PERSON                                                                          |
|     |   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON                                                 |
|     |   MAYFIELD VIII, A CALIFORNIA LIMITED PARTNERSHIP                                                   |
|     |   TAX I.D. 94-3224910   SEE ITEM 2 FOR IDENTIFICATION OF GENERAL PARTNER                            |
|-----+-----------------------------------------------------------------------------------------------------|
|  2  |   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)                       (a) [_] |
|     |                                                                                             (b) [X] |
|-----+-----------------------------------------------------------------------------------------------------|
|  3  |   SEC USE ONLY                                                                                      |
|     |                                                                                                     |
|-----+-----------------------------------------------------------------------------------------------------|
|  4  |   SOURCE OF FUNDS (SEE INSTRUCTIONS)                                                                |
|     |   WC                                                                                                |
|     |                                                                                                     |
|-----+-----------------------------------------------------------------------------------------------------|
|  5  |   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)       [_] |
|     |                                                                                                     |
|-----+-----------------------------------------------------------------------------------------------------|
|  6  |   CITIZENSHIP OR PLACE OF ORGANIZATION                                                              |
|     |   CALIFORNIA                                                                                        |
|     |                                                                                                     |
|-----------------+-----+-----------------------------------------------------------------------------------|
|                 |  7  |   SOLE VOTING POWER                                                               |
|    NUMBER OF    |     |                                                                1,147,821(A)       |
|     SHARES      |-----+-----------------------------------------------------------------------------------|
|  BENEFICIALLY   |  8  |   SHARED VOTING POWER                                                             |
|    OWNED BY     |     |                                                                        0(A)       |
|      EACH       |-----+-----------------------------------------------------------------------------------|
|   REPORTING     |  9  |   SOLE DISPOSITIVE POWER                                       1,147,821(A)       |
|    PERSON       |     |                                                                                   |
|     WITH        |-----+-----------------------------------------------------------------------------------|
|                 |  10 |   SHARED DISPOSITIVE POWER                                                        |
|                 |     |                                                                        0(A)       |
|------+----------+-----+-----------------------------------------------------------------------------------|
|  11  |  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON                                      |
|      |                                                                                 1,147,821(A)       |
|------+----------------------------------------------------------------------------------------------------|
|  12  |  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES                         [X] |
|      |  (SEE INSTRUCTIONS)                                                                                |
|      |                                                                                                    |
|------+----------------------------------------------------------------------------------------------------|
|  13  |  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)                                                |
|      |                                                                                         11.6%      |
|------+----------------------------------------------------------------------------------------------------|
|  14  |  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)                                                       |
|      |  PN                                                                                                |
|      |                                                                                                    |
- -------+-----------------------------------------------------------------------------------------------------
</TABLE>

(A) Excludes an aggregate of 60,412 shares owned beneficially by the other
reporting persons indicated in this Schedule 13D, as to which this reporting
person disclaims beneficial ownership.  See Exhibit A hereto.
                                            ---------        
<PAGE>
 
<TABLE>
<CAPTION>
                                                SCHEDULE 13D
<S>       <C>                                                                                       <C> 
- -------------------------------------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                                           |       PAGE   3   OF  17  PAGES        |
|                       |                                           |             ---     ---               |
- -------------------------------------------------------------------------------------------------------------
                                                                                                             
- -------------------------------------------------------------------------------------------------------------
|  1  |   NAME OF REPORTING PERSON                                                                          |
|     |   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON                                                 |
|     |   MAYFIELD VIII MANAGEMENT, L.L.C., A DELAWARE LIMITED LIABILITY COMPANY                            |
|     |   TAX I.D. 94-3224920 SEE ITEM 2 A LIST OF MEMBERS                                                  |
|-----+-----------------------------------------------------------------------------------------------------|
|  2  |   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)                       (a) [_] |
|     |                                                                                             (b) [X] |
|-----+-----------------------------------------------------------------------------------------------------|
|  3  |   SEC USE ONLY                                                                                      |
|     |                                                                                                     |
|-----+-----------------------------------------------------------------------------------------------------|
|  4  |   SOURCE OF FUNDS (SEE INSTRUCTIONS)                                                                |
|     |   WC                                                                                                |
|     |                                                                                                     |
|-----+-----------------------------------------------------------------------------------------------------|
|  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                                                                                          |
|     |                                                                                                     |
|-----------------+-----+-----------------------------------------------------------------------------------|
|                 |  7  |   SOLE VOTING POWER                                                               |
|    NUMBER OF    |     |                                                                1,147,821(A)       |
|     SHARES      |-----+-----------------------------------------------------------------------------------|
|  BENEFICIALLY   |  8  |   SHARED VOTING POWER                                                             |
|    OWNED BY     |     |                                                                        0(A)       |
|      EACH       |-----+-----------------------------------------------------------------------------------|
|   REPORTING     |  9  |   SOLE DISPOSITIVE POWER                                                          |
|    PERSON       |     |                                                                1,147,821(A)       |
|     WITH        |-----+-----------------------------------------------------------------------------------|
|                 |  10 |   SHARED DISPOSITIVE POWER                                                        |
|                 |     |                                                                        0(A)       |
|------+----------+-----+-----------------------------------------------------------------------------------|
|  11  |  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON                                      |
|      |                                                                                 1,147,821(A)       |
|------+----------------------------------------------------------------------------------------------------|
|  12  |  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES                         [X] |
|      |  (SEE INSTRUCTIONS)                                                                                |
|      |                                                                                                    |
|------+----------------------------------------------------------------------------------------------------|
|  13  |  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)                                                |
|      |                                                                                         11.6%      |
|------+----------------------------------------------------------------------------------------------------|
|  14  |  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)                                                       |
|      |  OO                                                                                                |
|      |                                                                                                    |
- -------+-----------------------------------------------------------------------------------------------------
</TABLE>

(A)Excludes an aggregate of 60,412 shares owned beneficially by the other
reporting persons indicated in this Schedule 13D, as to which this reporting
person disclaims beneficial ownership.  See Exhibit A hereto.
                                            ---------        
<PAGE>
 
<TABLE>
<CAPTION>
                                                SCHEDULE 13D
<S>       <C>                                                                                       <C> 
- -------------------------------------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                                           |       PAGE   4   OF  17  PAGES        |
|                       |                                           |             ---     ---               |
- -------------------------------------------------------------------------------------------------------------
                                                                                                             
- -------------------------------------------------------------------------------------------------------------
|  1  |   NAME OF REPORTING PERSON                                                                          |
|     |   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON                                                 |
|     |   MAYFIELD ASSOCIATES FUND II, L.P., A CALIFORNIA LIMITED PARTNERSHIP                               |
|     |   TAX I.D. 94-3191510 SEE ITEM 2 A LIST OF GENERAL PARTNERS                                         |
|-----+-----------------------------------------------------------------------------------------------------|
|  2  |   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)                       (a) [_] |
|     |                                                                                             (b) [X] |
|-----+-----------------------------------------------------------------------------------------------------|
|  3  |   SEC USE ONLY                                                                                      |
|     |                                                                                                     |
|-----+-----------------------------------------------------------------------------------------------------|
|  4  |   SOURCE OF FUNDS (SEE INSTRUCTIONS)                                                                |
|     |   WC                                                                                                |
|     |                                                                                                     |
|-----+-----------------------------------------------------------------------------------------------------|
|  5  |   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)       [_] |
|     |                                                                                                     |
|-----+-----------------------------------------------------------------------------------------------------|
|  6  |   CITIZENSHIP OR PLACE OF ORGANIZATION                                                              |
|     |   CALIFORNIA                                                                                        |
|     |                                                                                                     |
|-----------------+-----+-----------------------------------------------------------------------------------|
|                 |  7  |   SOLE VOTING POWER                                                               |
|    NUMBER OF    |     |                                                                   60,412(A)       |
|     SHARES      |-----+-----------------------------------------------------------------------------------|
|  BENEFICIALLY   |  8  |   SHARED VOTING POWER                                                             |
|    OWNED BY     |     |                                                                        0(A)       |
|      EACH       |-----+-----------------------------------------------------------------------------------|
|   REPORTING     |  9  |   SOLE DISPOSITIVE POWER                                          60,412(A)       |
|    PERSON       |     |                                                                                   |
|     WITH        |-----+-----------------------------------------------------------------------------------|
|                 |  10 |   SHARED DISPOSITIVE POWER                                                        |
|                 |     |                                                                        0(A)       |
|------+----------+-----+-----------------------------------------------------------------------------------|
|  11  |  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON                                      |
|      |                                                                                    60,412(A)       |
|------+----------------------------------------------------------------------------------------------------|
|  12  |  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES                         [X] |
|      |  (SEE INSTRUCTIONS)                                                                                |
|      |                                                                                                    |
|------+----------------------------------------------------------------------------------------------------|
|  13  |  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)                                                |
|      |                                                                                          0.6%      |
|------+----------------------------------------------------------------------------------------------------|
|  14  |  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)                                                       |
|      |  PN                                                                                                |
|      |                                                                                                    |
- -------+-----------------------------------------------------------------------------------------------------
</TABLE>

(A) Excludes an aggregate of 1,147,821 shares owned beneficially by the other
     reporting persons indicated in this  Schedule 13D, as to which this
     reporting person disclaims beneficial ownership.  See Exhibit A hereto.
                                                           ---------        
<PAGE>
 
                                 SCHEDULE 13D
- --------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                           | PAGE  5  OF 17  PAGES    |
|                       |                           |      ---    ---          |
- --------------------------------------------------------------------------------

     ITEM 1.
     SECURITY AND ISSUER.
     ------------------- 

     The title of the class of securities to which this Schedule 13D relates is
     Common Stock, $0.001 par value per share (the "Common Stock"), of Intensiva
     HealthCare Corporation, a Delaware corporation (the "Issuer"). The
     principal executive offices of the Issuer are located at 7733 Forsyth
     Boulevard, 11th Floor, Suite 1100, St. Louis, MO, 63105.

     ITEM 2.
     IDENTITY AND BACKGROUND.
     ----------------------- 

     Set forth below is the following information with respect to each of the
     persons filing this Schedule 13D and each of its general partners or
     members, as the case may be: (a) name; (b) address of principal offices (if
     entity) or residence or business address (if individual); (c) principal
     business (if entity) or principal occupation and name, business and address
     of employer (if individual); (d) information concerning criminal
     convictions during the last five years; (e) information concerning civil or
     administrative proceedings during the past five years with respect to any
     state or federal securities laws and (f) state of organization or
     citizenship.

I.   Mayfield VIII
     -------------

a)   Mayfield VIII, a California limited partnership ("Mayfield VIII"). The
     General Partner of Mayfield VIII is Mayfield VIII Management, L.L.C., a
     Delaware limited liability company.
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Mayfield VIII is a Limited Partnership Investment Fund.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   California

II.  Mayfield VIII Management
     ------------------------

a)   Mayfield VIII Management, L.L.C., a Delaware limited liability company
     ("Mayfield VIII Management"). The Members of Mayfield VIII Management are:
     F. Gibson Myers, Jr., A. Grant Heidrich III, Michael J. Levinthal, William
     D. Unger, Wendell G. Van Auken III, Kevin A. Fong, Russell C. Hirsch, Wende
     S. Hutton and Yogen K. Dalal (collectively, the "Members").
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Mayfield VIII Management, L.L.C., is a Limited Liability Company Investment
     Fund Manager.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   Delaware

III. MAF II
     ------

a)   Mayfield Associates Fund II, L.P., a California limited partnership ("MAF
     II"). The General Partners of MAF II are: F. Gibson Myers, Jr., A. Grant
     Heidrich III, Michael J. Levinthal, William D. Unger, Wendell G. Van Auken
     III, Kevin A. Fong and Yogen Dalal (collectively, the "General Partners")
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Mayfield Associates Fund II, L.P., is a Limited Partnership Investment 
     Fund.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   California
<PAGE>
 
                                 SCHEDULE 13D
- --------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                           | PAGE  6  OF  17 PAGES    |
|                       |                           |      ---    ---          |
- --------------------------------------------------------------------------------

IV.  General Partners of MAF II (2)
     ------------------------------

IV   (A)

a)   F. Gibson Myers, Jr., is a Member of Mayfield VIII Management and a General
     Partner of MAF II.
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Principal of Mayfield Fund, a venture capital investment firm.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   U.S. Citizen

IV   (B)

a)   A. Grant Heidrich  III, is a Member of Mayfield VIII Management and a
     General Partner of MAF II.
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Principal of Mayfield Fund, a venture capital investment firm.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   U.S. Citizen

IV   (C)

a)   Michael J. Levinthal is a Member of Mayfield VIII Management and a General
     Partner of MAF II.
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Principal of Mayfield Fund, a venture capital investment firm.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   U.S. citizen

IV   (D)

a)   William D. Unger is a Member of Mayfield VIII Management and a General
     Partner of MAF II.
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Principal of Mayfield Fund, a venture capital investment firm.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   U.S. Citizen

IV   (E)

a)   Wendell G. Van Auken  III, is a Member of Mayfield VIII Management and a
     General Partner of MAF II.
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Principal of Mayfield Fund, a venture capital investment firm.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   U.S. Citizen
<PAGE>
 
                                 SCHEDULE 13D
- --------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                           | PAGE  7  OF  17 PAGES    |
|                       |                           |      ---    ---          |
- --------------------------------------------------------------------------------

IV (F)

a)   Kevin A. Fong is a Member of Mayfield VIII Management and a General Partner
     of MAF II.
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Principal of Mayfield Fund, a venture capital investment firm.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   U.S. Citizen

IV   (G)

a)   Yogen K. Dalal is a Member of Mayfield VIII Management and a General
     Partner of MAF II.
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Principal of Mayfield Fund, a venture capital investment firm.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   U.S. Citizen

V.   Members of Mayfield VIII Management
     -----------------------------------

V    (A)

a)   Russell C. Hirsch is a Member of Mayfield VIII Management.
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Principal of Mayfield Fund, a venture capital investment firm.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   U.S. Citizen

V    (B)

a)   Wende S. Hutton is a Member of Mayfield VIII Management.
b)   2800 Sand Hill Road, Suite 250, Menlo Park, CA 94025.
c)   Principal of Mayfield Fund, a venture capital investment firm.
d)   No convictions in criminal proceedings(1)
e)   No civil or administrative proceedings(1)
f)   U.S. Citizen

Footnotes to Item 2:
- ------------------- 

(1)  During the last five years, no person listed above has been convicted in
a criminal proceeding (excluding traffic violations or similar misdemeanors),
nor has any such person been a party to a civil proceeding of a judicial or
administrative body of competent jurisdiction that resulted in such person
becoming 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.

(2) All General Partners of MAF II are also Members of Mayfield VIII Management.

<PAGE>
 
                                 SCHEDULE 13D
- --------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                           | PAGE  8  OF  17 PAGES    |
|                       |                           |      ---    ---          |
- --------------------------------------------------------------------------------
 
     ITEM 3.
     SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.
     ------------------------------------------------- 

     The shares of the Issuer's Common Stock with respect to which this Schedule
     13D is being filed were purchased by the reporting persons using general
     investment funds contributed by their respective partners or members. Set
     forth in Exhibit B hereto is a list of the acquisitions, giving the
              ---------
     purchase price thereof. Such information is incorporated by reference
     herein.


     ITEM 4.
     PURPOSE OF TRANSACTION.
     ---------------------- 

     The acquisition of the shares of the Issuer's Common Stock that are the
     subject of this filing was made for the purpose of investment and not with
     a view to distribution of the shares or with a view toward acquiring
     control of the Issuer. The reporting persons may sell all or part of such
     shares or acquire additional securities of the Issuer depending on market
     conditions and other economic factors.

     Except as described above, no reporting person has any plans or proposals
     that relate to or would result in:

     a. The acquisition by any person of additional securities of the Issuer, or
        the disposition of securities of the Issuer;

     b. An extraordinary corporate transaction, such as a merger, reorganization
        or liquidation, involving the Issuer or any of its subsidiaries;

     c. A sale or transfer of a material amount of assets of the Issuer or any
        of its subsidiaries;

     d. Any change in the present board of directors or management of the
        Issuer, including any plans or proposals to change the number or term of
        directors or to fill any existing vacancies on the board;

     e. Any material change in the present capitalization or dividend policy of
        the Issuer;

     f. Any other material change in the Issuer's business or corporate
        structure;

     g. Changes in the Issuer's charter, bylaws or instruments corresponding
        thereto or other actions that may impede the acquisition of control of
        the Issuer by any person;

     h. Causing a class of securities of the Issuer to be delisted from a
        national securities exchange or to cease to be authorized to be quoted
        in an inter-dealer quotation system of a registered national securities
        association;

     i. A class of equity securities of the Issuer becoming eligible for
        termination of registration pursuant to Section 12(g)(4) of the Exchange
        Act; or

     j. Any action similar to any of those enumerated above.
<PAGE>
 
                                 SCHEDULE 13D
- --------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                           | PAGE  9  OF  17 PAGES    |
|                       |                           |      ---    ---          |
- --------------------------------------------------------------------------------


ITEM 5.
INTEREST IN SECURITIES OF THE ISSUER.
- ------------------------------------ 

(a) AND (b)   With respect to the amount of Common Stock beneficially owned by
each reporting person, the nature of such beneficial ownership and the related
percentages of the class of Common Stock, the information contained in each of
the cover pages and in Exhibit A hereto is incorporated by reference herein.  As
                       ---------                                                
indicated in the cover pages hereto , pursuant to Rule 13d-4 each of the
reporting persons hereby expressly disclaims beneficial ownership with respect
to any and all shares beneficially owned by the other reporting persons
indicated in this Schedule 13D.  The aggregate number and percentage of the
class of securities identified pursuant to Item 1 of this Schedule 13D that are
beneficially owned by the persons listed in Item 2 are as follows:
<TABLE>
<CAPTION>
 
Entity                           Shares Beneficially Owned     Percent of Class(1)
- -----------------------------   ----------------------------   -------------------
<S>                                     <C>                            <C>
 
  Mayfield VIII                         1,147,821(2)                   11.6%
  Mayfield VIII Management              1,147,821(2)                   11.6%
  MAF II                                   60,412(3)                    0.6%
</TABLE>

_________________________
(1)  All percentages in this table are based, pursuant to Rule 13d-1(e) of the
     Securities Exchange Act of 1934, on 9,905,062 shares of the Common Stock of
     the Company outstanding, as reported in the Company's Quarterly Report on
     Form 10-Q for the three-month period ended September 30, 1996.

(2)  These shares are held of record by Mayfield VIII, which has sole voting and
     investment power with respect to such shares. Mayfield VIII Management, as
     the sole general partner of Mayfield VIII, may be deemed to also have sole
     voting and investment power with respect to such shares. The Members of the
     general partner of Mayfield VIII may be deemed to have shared voting and
     dispositive power over the 1,147,821 shares held of record by Mayfield
     VIII, as to which each of the Members disclaims beneficial ownership.

(3)  These shares are held of record by MAF II, which has sole voting and
     investment power with respect to such shares. The General Partners of MAF
     II may be deemed to have shared voting and dispositive power over the
     60,412 shares held of record by MAF II, as to which each of the General 
     Partners disclaims beneficial ownership.

(c)  The following is a list of transactions in the Issuer's securities by the
     filing parties within the last 60 days:
<PAGE>
 
                                 SCHEDULE 13D
- --------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                          | PAGE  10  OF 17 PAGES     |
|                                                         ---    ---           |
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                            Transaction                         Price Per
  Entity                                        Date          Shares              Share 
- -----------                                 -----------      --------   ------------------------
<S>                                         <C>              <C>        <C>    <C>  
Mayfield VIII, a California
Limited Partnership                         11/13/96         251,750    $6.50  Open Market Buy

Mayfield Associates Fund II, L.P.,
a California Limited Partnership            11/13/96          13,250    $6.50  Open Market Buy
</TABLE>

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

Under the terms of the Limited Partnership Agreements for Mayfield VIII and
MAF II (the "Funds"), the respective general partners of such Funds possess the
power to manage the investment activities of the Funds, including the power to
vote and direct the disposition of the securities with respect to which this
Schedule 13D is filed.


ITEM 7.
MATERIAL TO BE FILED AS EXHIBITS.
- -------------------------------- 

The following exhibits are attached hereto:

99.A - Beneficial Ownership of Each Reporting Person

99.B - List of Acquisitions of Common Stock by Each Reporting Person

99.C - Statement Appointing Designated Filer and Authorized Signer

99.D - Form of Power of Attorney executed by each of Yogen Dalal, Russell C.
       Hirsch, Wende S. Hutton, Michael J. Levinthal and F. Gibson Myers, Jr.

<PAGE>
 
                                 SCHEDULE 13D
- --------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                          | PAGE  11  OF 17 PAGES     |
                                                           ---    ---        
- --------------------------------------------------------------------------------


                                   SIGNATURE

  After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

  Dated:  November 22, 1996

                              MAYFIELD VIII,
                              A California Limited Partnership

                              By: Mayfield VIII Management, L.L.C.
                                  Its General Partner


                              By: /s/ Wendell G. Van Auken III
                                  ---------------------------------
                                  Name:  Wendell G. Van Auken III
                                  Title:  Managing Member



                              MAYFIELD VIII MANAGEMENT, L.L.C.,
                              A Delaware Limited Liability Company


                              By: /s/ Wendell G. Van Auken III
                                  ---------------------------------
                                  Name:  Wendell G. Van Auken III
                                  Title:  Managing Member


                              MAYFIELD ASSOCIATES FUND II, L.P.,
                              A California Limited Partnership

 
                              By: /s/ Wendell G. Van Auken III
                                  --------------------------------
                                  Name:  Wendell G. Van Auken III
                                  Title:  General Partner

<PAGE>
 
                                 SCHEDULE 13D
- --------------------------------------------------------------------------------
|  CUSIP NO. 45815Y105  |                          | PAGE  12  OF  17  PAGES   |
|                       |                          |      ----    ----         |
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                                   EXHIBIT A
                                   ---------

                 BENEFICIAL OWNERSHIP OF EACH REPORTING PERSON
                 ---------------------------------------------

<TABLE>
<CAPTION>

       Name of Reporting Person            Number of Shares     Percent of Class(1)
- ---------------------------------------   -------------------   -------------------
<S>                                           <C>                   <C>
Mayfield VIII,                                  1,147,821             11.6%
a California Limited Partnership                                

Mayfield VIII Management, L.L.C.,               1,147,821(2)          11.6%
a Delaware Limited Liability Company                            

Mayfield Associates Fund II, L.P.,                 60,412              0.6%
a California Limited Partnership
                                          -------------------   -------------------
     TOTAL                                      1,208,233             12.2%
</TABLE>


(1)The respective percentages set forth in this column were obtained by dividing
the number of shares in the second column by the aggregate number of outstanding
shares of Common Stock, which aggregate amount, according to the cover page of
the Issuer's Quarterly Report on Form 10-Q for the three-month period  ended
September 30, 1996, was 9,905,062.

(2) Represents shares held of record by Mayfield VIII, of which Mayfield VIII
Management is the sole general partner.

<PAGE>
 
                                 SCHEDULE 13D
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|  CUSIP NO. 45815Y105  |                          | PAGE  13  OF  17  PAGES   |
|                       |                          |      ----    ----         |
- --------------------------------------------------------------------------------

                                   EXHIBIT B
                                   ---------

      LIST OF ACQUISITIONS OF ISSUER'S SECURITIES BY EACH REPORTING PERSON
      --------------------------------------------------------------------
<TABLE>
<CAPTION>
 
                                         Date of                          Number of    Price per
 Name of Reporting Person               Purchase    Class of Securities   Shares(1)    Share(1)
- ------------------------------------    ---------   -------------------   --------     ---------
<S>                                     <C>         <C>                   <C>          <C>

Mayfield VIII,                           12/22/95   Series B Preferred       896,071    $3.76
a California Limited Partnership

Mayfield Associates Fund II, L.P.,       12/22/95   Series B Preferred        47,162    $3.76
a California Limited Partnership

Mayfield VIII,                           11/13/96   Common Stock             251,750    $6.50
a California Limited Partnership

Mayfield Associates Fund II, L.P.,       11/13/96   Common Stock              13,250    $6.50
a California Limited Partnership
</TABLE>

___________________
(1)  Expressed on a common equivalent share basis.  All outstanding shares of
Series B Preferred Stock of the Issuer were automatically converted into Common
Stock in connection with the Issuer's initial public offering of its Common
Stock on October 10, 1996.

<PAGE>
 
                                 SCHEDULE 13D
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|  CUSIP NO. 45815Y105  |                           | PAGE 14  OF  17   PAGES  |
|                       |                           |     ---     ----         |
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                                   EXHIBIT C
                                   ---------

          STATEMENT APPOINTING DESIGNATED FILER AND AUTHORIZED SIGNER


     The undersigned entities and individuals (the "Reporting Persons") hereby
designate MAYFIELD VIII (the "Designated Filer") as the beneficial owner to make
filings of Schedules 13D and 13G (and any amendments thereto) pursuant to
Section 13(d) of the Securities Exchange Act of 1934 (the "Exchange Act") and of
Forms 3, 4 and 5 pursuant to Section 16(a) of the Exchange Act (collectively,
the "Reports") with respect to the securities of Intensiva HealthCare Corp. (the
"Company").

     Each Reporting Person hereby further authorizes and designates GEORGE A.
PAVLOV (the "Authorized Signer") to execute and file on behalf of such Reporting
Person the Reports with respect to the securities of the Company, including all
Schedules 13D and 13G and Forms 3, 4 and 5, and any amendments thereto, that the
Reporting Person may be required to file with the United States Securities and
Exchange Commission as a result of the Reporting Person's ownership of, or
transactions in, securities of the Company.

     The authority of the Designated Filer and the Authorized Signer under this
document with respect to each Reporting Person shall continue until such
Reporting Person is no longer required to file Forms 3, 4 and 5 or Schedules 13D
or 13G with respect to the Reporting Person's  ownership of, or transactions in,
securities of the Company, unless earlier revoked in writing.  Each Reporting
Person acknowledges that the Designated Filer and the Authorized Signer are not
assuming any of the Reporting Person's responsibilities to comply with Section
13(d) or Section 16 of the Exchange Act.


             11/22/96
Date: ______________________        MAYFIELD VIII,
                                    a California Limited Partnership

                                    By:  Mayfield VIII Management, L.L.C.,
                                         Its General Partner

                                         /s/ W.G. Van Auken III
                                    By:  ____________________________
                                         Managing Member
<PAGE>
 
                                 SCHEDULE 13D
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|  CUSIP NO. 45815Y105  |                           | PAGE 15  OF  17 PAGES    |
|                       |                           |     ---     ----         |
- --------------------------------------------------------------------------------

            11/22/96
Date: ______________________        MAYFIELD VIII MANAGEMENT, L.L.C.,
                                    a Delaware Limited Liability Company


                                         /s/ W.G. Van Auken III
                                    By:  _____________________________
                                         Managing Member


            11/22/96
Date: ______________________        MAYFIELD ASSOCIATES FUND II,
                                    a California Limited Partnership


                                         /s/ W.G. Van Auken III
                                    By:  _____________________________
                                         General Partner


            11/22/96                /s/ Yogen K. Dalal*
Date:______________________         _________________________________
                                    YOGEN K. DALAL


            11/22/96                /s/ Kevin A. Fong
Date: ______________________        _________________________________
                                    KEVIN A. FONG


            11/22/96                /s/ A. Grant Heidrich III
Date: ______________________        _________________________________
                                    A. GRANT HEIDRICH III


            11/22/96                /s/ Russell C. Hirsch*
Date: ______________________        _________________________________
                                    RUSSELL C. HIRSCH


            11/22/96                /s/ Wende S. Hutton*
Date: ______________________        _________________________________
                                    WENDE S. HUTTON

                                       2
<PAGE>
 
                                 SCHEDULE 13D
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|  CUSIP NO. 45815Y105  |                           | PAGE  16  OF  17   PAGES |
|                       |                           |      ----    ----        |
- --------------------------------------------------------------------------------

             11/22/96               /s/ Michael J. Levinthal*
Date: ______________________        _________________________________
                                    MICHAEL J. LEVINTHAL


             11/22/96               /s/ F. Gibson Myers, Jr.*
Date: ______________________        _________________________________
                                    F. GIBSON MYERS, JR.


             11/22/96               /s/ William D. Unger
Date: ______________________        _________________________________
                                    WILLIAM D. UNGER


             11/22/96               /s/ Wendell G. Van Auken III
Date: ______________________        _________________________________
                                    WENDELL G. VAN AUKEN III

*By:  George A. Pavlov,
      ----------------------
      Attorney-in-fact 

                                       3

<PAGE>
 
                                 SCHEDULE 13D
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|  CUSIP NO. 45815Y105  |                           | PAGE  17  OF 17   PAGES  |
|                       |                           |      ----   ----         |
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                                   EXHIBIT D
                                   ---------

                               POWER OF ATTORNEY
            For Executing Securities & Exchange Commission Filings


Known all by these present, that the undersigned hereby constitutes and 
appoints George A. Pavlov signing singly, his true and lawful attorney-in-fact
to:

1.  execute for and on behalf of the undersigned forms relating to transactions
    in securities in which entities controlled by Mayfield Fund and its
    affiliates may have a reporting obligation, in accordance with Section
    16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

2.  do and perform any and all acts for and on behalf of the undersigned which
    may be necessary or desirable to complete the execution of any such forms
    and the timely filing of such forms with the United States Securities and
    Exchange Commission and any other authority; and

3.  take any other action in connection with the foregoing which, in the
    opinion of such attorney-in-fact, may be of benefit to, in the best
    interest of, or legally required by, the undersigned, it being understood
    that the documents executed by such attorney-in-fact on behalf of the
    undersigned pursuant to this Power of Attorney shall be in such form and
    shall contain such terms and conditions as such attorney-in-fact may
    approve in his discretion.

The undersigned hereby grants to such attorney-in-fact full power and 
authority to do and perform all and every act and thing whatsoever requisite, 
necessary and proper to be done in the exercise of any of the rights and 
powers herein granted, as fully to all intents and purposes as such 
attorney-in-fact might or could do if personally present, hereby ratifying and
confirming all that such attorney-in-fact shall lawfully do or cause to be 
done by virtue of this power of attorney and the rights and powers herein 
granted. The undersigned acknowledges that the foregoing attorney-in-fact, in 
serving in such capacity at the request of the undersigned, is not assuming 
any of the undersigned's responsibilities to comply with Section 16 of the 
Securities Exchange Act of 1934.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be 
executed as this 20th day of May, 1996.


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