Executive Change

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report: February 25, 2015 (Date of earliest event reported) TENET HEALTHCARE CORPORATION (Exact name of Registrant as specified in its charter) Nevada 1-7293 95-2557091 (State of Incorporation) (Commission File Number) (IRS Employer Identification Number) 1445 Ross Avenue, Suite 1400 Dallas, Texas 75202 (Address of principal executive offices, including zip code) (469) 893-2200 (Registrant’s telephone number, including area code) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions: ¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On December 4, 2014, Tenet Healthcare Corporation (the “Company”) filed a Current Report on Form 8-K to disclose that Freda C. Lewis-Hall, M.D., had been named to the Board of Directors (the “Board”) of the Company. At the time of the filing, Dr. Lewis-Hall had not yet been appointed to serve on any committees of the Board. Pursuant to Instruction (2) to Item 5.02 of Form 8-K, the Company is filing this amendment to its prior report for the sole purpose of disclosing that, on February 25, 2015, Dr. Lewis-Hall was appointed by the Board to serve as a member of the Board’s Nominating and Corporate Governance Committee and Quality, Compliance and Ethics Committee. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. TENET HEALTHCARE CORPORATION By: /s/ Paul A. Castanon Paul A. Castanon Vice President, Deputy General Counsel and Corporate Secretary Date: February 27, 2015