POWER OF ATTORNEY

Know all by these presents that the undersigned hereby constitutes

and appoints each of Thomas W. Arnst, Kristina A. Mack and Chad J. Wiener,

signing singly, the undersigned's true and lawful attorney-in-fact to:

(1) prepare, execute in the undersigned's name and on the undersigned's

behalf, and submit to the U.S. Securities and Exchange Commission (the "SEC")

a Form ID, including amendments thereto, and any other documents necessary or

appropriate to obtain codes and passwords enabling the undersigned to make

electronic filings with the SEC of reports required by Section 16(a) of the

Securities Exchange Act of 1934 (the "Exchange Act") or any rule or regulation

of the SEC;

(2) execute for and on behalf of the undersigned, in the undersigned's

capacity as an officer or director of Tenet Healthcare Corporation (the

"Company"), Forms 3, 4 and 5 in accordance with Section 16(a) of the Exchange

Act and the rules and regulations thereunder, and any other forms or reports

the undersigned may be required to file in connection with the undersigned's

ownership, acquisition or disposition of securities of the Company;

(3) do and perform any and all acts for and on behalf of the undersigned

that may be necessary or desirable to complete and execute any such Form 3,

4 or 5, or other form or report, and timely file such form or report with the

SEC and any stock exchange or similar authority; and

(4) take any other action of any type whatsoever in connection with the

foregoing that, in the opinion of such attorney-in-fact, may be of benefit to,

in the best interest of, or legally required by the undersigned, it being

understood that the documents executed by such attorney-in-fact on behalf of the

undersigned pursuant to this Power of Attorney shall be in such form and shall

contain such terms and conditions as such attorney-in-fact may approve in his or

her discretion.

The undersigned hereby grants to each such attorney-in-fact full power

and authority to do and perform any and every act and thing whatsoever

requisite, necessary or proper to be done in the exercise of any of the rights

and powers herein granted, as fully to all intents and purposes as the

undersigned might or could do if personally present, with full power of

substitution or revocation, hereby ratifying and confirming all that such

attorney-in-fact, or his or her substitute or substitutes, shall lawfully do

or cause to be done by virtue of this Power of Attorney and the rights and

powers herein granted. The undersigned acknowledges that the foregoing

attorneys-in-fact, in serving in such capacity at the request of the

undersigned, are not assuming any of the undersigned's responsibilities to

comply with Section 16 of the Exchange Act.

This Power of Attorney shall remain in full force and effect until the

undersigned is no longer required to file Forms 3, 4 and 5 with respect to the

undersigned's holdings of and transactions in securities issued by the Company,

unless earlier revoked by the undersigned in a signed writing delivered to the

foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to

be executed as of this 28 day of April, 2026.

/s/ John Michael Grooms

John Michael Grooms