Diversified Healthcare Trust (DHC) 10-K 2022 FY Annual report

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SEC. 1350

    In connection with the filing by Diversified Healthcare Trust (the “Company”) of the Annual Report on Form 10-K for the period ended December 31, 2022 (the “Report”), each of the undersigned hereby certifies, to the best of his or her knowledge:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Jennifer F. Francis

Jennifer F. Francis

President and Chief Executive Officer

/s/ Richard W. Siedel, Jr.

Richard W. Siedel, Jr.

Chief Financial Officer and Treasurer

Date: March 1, 2023