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 OF SECURITIES 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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * FETTER TREVOR   2. Issuer Name and Ticker or Trading Symbol TENET HEALTHCARE CORP [THC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CEO and President (Last) (First) (Middle) 1445 ROSS AVENUE, SUITE 1400 3. Date of Earliest Transaction (Month/Day/Year) 03/01/2010 (Street) DALLAS, TX 75202 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 03/01/2010   M   100,000 A $ 0 1,303,473 D   Common Stock 03/01/2010   F   36,450 D $ 5.27 (1) 1,267,023 D   Common Stock               10,200 I By Spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

2007 March Performance Based Restricted Units

(2)

03/01/2010

M

100,000

(2)

(2)

Common Stock

100,000

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
FETTER TREVOR 1445 ROSS AVENUE SUITE 1400 DALLAS, TX 75202	X		CEO and President

Signatures

/s/ Trevor Fetter		03/03/2010
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	All of the shares reported as disposed of on this Form 4 were relinquished by the Reporting Person in exchange for the Company's agreement to pay federal and state withholding obligations of the Reporting Person resulting from the vesting of the restricted units.
(2)	(TF) On the first anniversary of the date of grant, 100,000 restricted units vested; on the second anniversary of the date of grant, 100,000 restricted units vested; the remaining restricted units were granted subject to cliff vesting conditions based on the average closing price of the Company's common stock on the last 40 trading days of 2009 ("Stock Price"), with vesting occurring on the third anniversary of the date of grant, as follows: 100,000 restricted units to vest if the Stock Price is $6.75 or less; 400,000 restricted units to vest if the Stock Price is $8.50; and 700,000 restricted units to vest if the Stock Price is $10.25 or greater. Based on the Stock Price of less than $6.75, 100,000 restricted units vested on March 1, 2010. Restricted units are settled in shares of the Company's common stock upon vesting.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.