    <SEC-DOCUMENT>0001047469-20-002013-index.html : 20200402
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    <ACCEPTANCE-DATETIME>20200402172911
    ACCESSION NUMBER:		0001047469-20-002013
    CONFORMED SUBMISSION TYPE:	PRE 14A
    PUBLIC DOCUMENT COUNT:		29
    CONFORMED PERIOD OF REPORT:	20200519
    FILED AS OF DATE:		20200402
    DATE AS OF CHANGE:		20200402

    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:		PRE 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-15319
    		FILM NUMBER:		20770361

    	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>
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    Document 1 - file: a2241144zpre14a.htm

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    Document 2 - file: g138928.jpg

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    Document 26 - file: g380026.jpg

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