Sec Form 4 Filing - JENNINGS REYNOLD J @ TENET HEALTHCARE CORP - 2007-03-03

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 JENNINGS REYNOLD J 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) Vice Chairman (Last) (First) (Middle) 13737 NOEL ROAD 3. Date of Earliest Transaction (MM/DD/YY) 03/03/2007 (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 03/03/2007 M 12,222 A $ 6.43 156,909 D Common Stock 03/03/2007 F 3,967 D $ 6.43 152,942 D

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 Expiration Date Title Amount or Number of Shares 2004 March Restricted Units ( 1 ) 03/03/2007 M 12,222 ( 1 ) ( 1 ) Common Stock 12,222 $ 6.43 0 D 2000 B Option (Right to Buy) $ 27.21 ( 2 ) 12/05/2010 Common Stock 130,000 130,000 D 2001 D Option (Right to Buy) $ 40.41 ( 2 ) 12/04/2011 Common Stock 240,000 240,000 D 2002 B Option (Right to Buy) $ 17.56 ( 2 ) 12/10/2012 Common Stock 250,000 250,000 D 2003 A Option (Right to Buy) $ 16.65 ( 2 ) 03/11/2013 Common Stock 75,000 75,000 D 2004 March Option (Right to Buy) $ 12.01 ( 2 ) 03/03/2014 Common Stock 183,333 183,333 D 2005 February Option (Right to Buy) $ 10.52 ( 2 ) 02/16/2015 Common Stock 183,333 183,333 D 2005 February Restricted Units $ 0 ( 1 ) ( 1 ) ( 1 ) Common Stock 21,556 21,556 D 2006 February Option (Right to Buy) $ 7.93 ( 2 ) 02/22/2016 Common Stock 250,000 250,000 D 2006 February Restricted Units $ 0 ( 1 ) ( 1 ) ( 1 ) Common Stock 116,667 116,667 D 2007 March Restricted Units $ 0 ( 1 ) ( 1 ) 03/01/2017 Common Stock 63,000 63,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other JENNINGS REYNOLD J 13737 NOEL ROAD DALLAS, TX75240 Vice Chairman Signatures /s/ Jennings, Reynold J. 03/06/2007 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These restricted units vest ratably on each of the first, second and third anniversari es 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.

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).

** Intentional 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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