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

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(Print or Type Responses)

1. Name and Address of Reporting Person * Andrews Audrey T.   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) SVP and General Counsel (Last) (First) (Middle) 1445 ROSS AVENUE, SUITE 1400 3. Date of Earliest Transaction (Month/Day/Year) 03/01/2018 (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 (1) 03/01/2018   M   8,776 A (2) 64,843 D   Common Stock 03/01/2018   F   2,137 (3) D $ 21.05 62,706 D

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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

2017 March Restricted Stock Units

(1)

03/01/2018

M

8,776

(1)

(1)

Common Stock (4)

8,776

$ 0

17,554

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Andrews Audrey T. 1445 ROSS AVENUE SUITE 1400 DALLAS, TX 75202			SVP and General Counsel

Signatures

Anthony L. Shoemaker, as Attorney-in-Fact for Audrey T. Andrews		03/05/2018
**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)	As previously reported, on March 1, 2017, the reporting person received a grant of 26,330 time-based restricted stock units that vest in one-third increments on each of the first, second and third anniversaries of the date of grant. The first anniversary occurred on March 1, 2018, resulting in the vesting and settlement of 8,776 shares of common stock, as shown in Table I. The remaining 17,554 restricted stock units are shown in Table II, of which 8,777 are scheduled to vest on each of March 1, 2019 and March 1, 2020.
(2)	Restricted stock units convert into common stock on a one-for-one basis.
(3)	Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.
(4)	Time-based restricted stock units are settled in shares of the Company's common stock upon vesting.

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