Sec Form 4 Filing - URBANOWICZ E PETER @ TENET HEALTHCARE CORP - 2008-03-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person URBANOWICZ E PETER 2. Issuer Name and Ticker or Trading Symbol TENET HEALTHCARE CORP [ THC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) General Counsel and Secretary (Last) (First) (Middle) 13737 NOEL ROAD 3. Date of Earliest Transaction (MM/DD/YY) 03/01/2008 (Street) DALLAS, TX75240 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/01/2008 M 16,666 A $ 4.81 125,937 D Common Stock 03/01/2008 F 4,409 D $ 4.81 121,528 D Common Stock 3,500 I By IRA

Expiration Date Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Title Amount or Number of Shares 2007 March Restricted Units ( 1 ) 03/01/2008 M 16,666 ( 1 ) 03/01/2017 Common Stock 16,666 $ 4.81 33,334 D 2003 December Option (Right to Buy) $ 15.68 ( 2 ) 12/22/2013 Common Stock 125,000 125,000 D 2004 March Option (Right to Buy) $ 12.01 ( 2 ) 03/03/2014 Common Stock 133,333 133,333 D 2005 February Option (Right to Buy) $ 10.52 ( 2 ) 02/16/2015 Common Stock 133,333 133,333 D 2006 February Option (Right to Buy) $ 7.93 ( 2 ) 02/22/2016 Common Stock 130,000 130,000 D 2006 February Restricted Units $ 0 ( 1 ) ( 1 ) ( 1 ) Common Stock 43,334 43,334 D 2007 March Career Grant Restricted Units $ 0 ( 3 ) ( 3 ) 03/01/2017 Common Stock 300,000 300,000 D 2007 March Option (Right to Buy) $ 6.6 ( 2 ) 03/01/2017 Common Stock 100,000 100,000 D 2007 Performance Based Restricted Units (U) $ 0 ( 4 ) ( 4 ) 03/01/2017 Common Stock 75,000 75,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other URBANOWICZ E PETER 13737 NOEL ROAD DALLAS, TX75240 General Counsel and Secretary Signatures /s/ Urbanowicz, E. Peter 03/04/2008 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These restricted units vest ratably on each of the first, second and third anniversaries of the date of grant. Restricted Units are settled in shares of the Company's common stock upon vesting. ( 2 )These derivative securities (stock options) vest ratably on each of the first, second and third anniversaries of the date of grant. ( 3 )These restricted units vest ratably on each of the third, fifth, seventh, and tenth anniversaries of the date of grant. Restricted units are settled in shares of the Company's common stock upon vesting. ( 4 )On the third anniversary of the date of grant, these restricted units vest conditionally based on the average of the closing price of the Company's common stock on the last 40 trading days of 2009 ("Stock Price") as follows: 25,000 restricted units vest if the Stock Price is $6.75 or less; 50,000 restricted units vest if the Stock Price is $8.50; and 75,000 restricted units if the Stock Price is $10.25 or greater. Straight-line interpolation will be used to determine the number of restricted units vesting for Stock Prices between the threshold prices stated. Restricted units are settled in shares of the Company's common stock upon vesting.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** I ntentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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