FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
GARRISON KAREN M

(Last) (First) (Middle)
1445 ROSS AVENUE
SUITE 1400

(Street)
DALLAS TX 75202

(City) (State) (Zip)
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
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
05/06/2013
4. If Amendment, Date of 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
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 (1) 05/06/2013   M (2)   5,825 A $ 0 31,198 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 (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 Securities Underlying Derivative Security (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: 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
2010 May Director Stock Units (1) (3) (4) 05/06/2013   M     5,825   (5)   (5) Common Stock 5,825 $ 0 0 D  
2013 May Director Stock Units (3) (4) 05/06/2013   A   3,618     (6)   (6) Common Stock 3,618 $ 0 3,618 D  
Explanation of Responses:
1. All historical share data in this Form 4 have been restated to reflect a one-for-four reverse stock split effective as of October 11, 2012.
2. Scheduled conversion of previously reported 2010 May Director Stock Units on the third anniversary of the date of grant in accordance with the terms of the Company's 2008 Stock Incentive Plan. The reporting person settled the Stock Units for shares of the Company's common stock.
3. These Stock Units were awarded under the Company's Stock Incentive Plan.
4. Each Stock Unit is the economic equivalent of one share of the Company's common stock.
5. The 2010 May Director Stock Units vested on the date of grant and were settled on the third anniversary of the date of grant in accordance with the terms of the Company's 2008 Stock Incentive Plan. The reporting person settled the Stock Units for shares of the Company's common stock.
6. These Stock Units vested immediately on the grant date. The Stock Units will be settled on the third anniversary of the date of grant or upon termination of service (unless settlement has been deferred). The Stock Units may be settled in cash, stock or a combination of cash and stock.
/s/ Jeffrey S. McFall, Attorney-in-Fact for Karen M. Garrison 05/08/2013
** Signature of Reporting Person Date
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).
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