    <SEC-DOCUMENT>0001104659-23-047742-index.html : 20230420
    <SEC-HEADER>0001104659-23-047742.hdr.sgml : 20230420
    <ACCEPTANCE-DATETIME>20230420160528
    ACCESSION NUMBER:		0001104659-23-047742
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20221231
    FILED AS OF DATE:		20230420
    DATE AS OF CHANGE:		20230420
    EFFECTIVENESS DATE:		20230420

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			DIVERSIFIED HEALTHCARE TRUST
    		CENTRAL INDEX KEY:			0001075415
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				043445278
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-15319
    		FILM NUMBER:		23833132

    	BUSINESS ADDRESS:
    		STREET 1:		C/O THE RMR GROUP
    		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
    		CITY:			NEWTON
    		STATE:			MA
    		ZIP:			02458
    		BUSINESS PHONE:		(617) 796-8350

    	MAIL ADDRESS:
    		STREET 1:		C/O THE RMR GROUP
    		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
    		CITY:			NEWTON
    		STATE:			MA
    		ZIP:			02458

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SENIOR HOUSING PROPERTIES TRUST
    		DATE OF NAME CHANGE:	19981217
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>tm238881d2_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: tm238881d2_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>