EXHIBIT 99.4

                          TENET HEALTHCARE CORPORATION
                           OFFER FOR ALL OUTSTANDING
                          9 1/4% SENIOR NOTES DUE 2010
                                IN EXCHANGE FOR
                     9 1/4% SERIES B SENIOR NOTES DUE 2010
                        WHICH HAVE BEEN REGISTERED UNDER
                          THE SECURITIES ACT OF 1933,
                                   AS AMENDED

TO OUR CLIENTS:

    Enclosed for your consideration is a prospectus, dated            , 2000
(the "Prospectus"), and the related letter of transmittal (the "Letter of
Transmittal"), relating to the offer (the "Exchange Offer") of Tenet Healthcare
Corporation (the "Company") to exchange its 9 1/4% Series B Senior Notes due
2010 (the "New Notes"), which have been registered under the Securities Act of
1933, as amended, for its outstanding 9 1/4% Senior Notes due 2010 (the "Old
Notes"), upon the terms and subject to the conditions described in the
Prospectus and the Letter of Transmittal. The Exchange Offer is being made in
order to satisfy certain obligations of the Company contained in the
registration rights agreement, dated as of June 16, 2000, by and among the
Company and the initial purchasers referred to therein.

    This material is being forwarded to you as the beneficial owner of the Old
Notes held by us for your account but not registered in your name. A TENDER OF
SUCH OLD NOTES MAY ONLY BE MADE BY US AS THE HOLDER OF RECORD AND PURSUANT TO
YOUR INSTRUCTIONS.

    Accordingly, we request instructions as to whether you wish us to tender on
your behalf the Old Notes held by us for your account, pursuant to the terms and
conditions set forth in the enclosed Prospectus and Letter of Transmittal.

    Your instructions should be forwarded to us as promptly as possible in order
to permit us to tender the Old Notes on your behalf in accordance with the
provisions of the Exchange Offer. The Exchange Offer will expire at 5:00 p.m.,
New York City time, on            , 2000, unless extended by the Company. Any
Old Notes tendered pursuant to the Exchange Offer may be withdrawn at any time
before the Expiration Date.

    Your attention is directed to the following:

    1.  The Exchange Offer is for any and all Old Notes.

    2.  The Exchange Offer is subject to certain conditions set forth in the
Prospectus in the section captioned "The Exchange Offer--Certain Conditions to
the Exchange Offer."

    3.  Any transfer taxes incident to the transfer of Old Notes from the holder
to the Company will be paid by the Company, except as otherwise provided in the
Instructions in the Letter of Transmittal.

    4.  The Exchange Offer expires at 5:00 p.m., New York City time, on
           , 2000, unless extended by the Company.

    If you wish to have us tender your Old Notes, please so instruct us by
completing, executing and returning to us the instruction form on the back of
this letter. THE LETTER OF TRANSMITTAL IS FURNISHED TO YOU FOR INFORMATION ONLY
AND MAY NOT BE USED DIRECTLY BY YOU TO TENDER OLD NOTES.

                          INSTRUCTIONS WITH RESPECT TO
                               THE EXCHANGE OFFER

    The undersigned acknowledge(s) receipt of your letter and the enclosed
material referred to therein relating to the Exchange Offer made by Tenet
Healthcare Corporation with respect to its Old Notes.

    This will instruct you to tender the Old Notes held by you for the account
of the undersigned, upon and subject to the terms and conditions set forth in
the Prospectus and the related Letter of Transmittal.

    Please tender the Old Notes held by you for my account as indicated below:



AGGREGATE PRINCIPAL AMOUNT OF OLD NOTES
---------------------------------------
                                            

------------- 9 1/4% Senior Notes due 2010

/ /  Please do not tender any Old Notes held                     SIGN HERE
    by you for my account.

Dated:           , 2000                        ---------------------------------------------
                                                                Signature(s)

                                               ---------------------------------------------
                                                         Please print name(s) here

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

                                               ---------------------------------------------
                                                                Address(es)

                                               ---------------------------------------------
                                                       Area Code and Telephone Number

                                               ---------------------------------------------
                                                Tax Identification or Social Security No(s).


    None of the Old Notes held by us for your account will be tendered unless we
receive written instructions from you to do so. Unless a specific contrary
instruction is given in the space provided, your signature(s) hereon shall
constitute an instruction to us to tender all Old Notes held by us for your
account.

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