<SEC-DOCUMENT>0000834237-20-002615-index.html : 20200204
<SEC-HEADER>0000834237-20-002615.hdr.sgml : 20200204
<ACCEPTANCE-DATETIME>20200204123015
ACCESSION NUMBER:		0000834237-20-002615
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200204
DATE AS OF CHANGE:		20200204

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-56905
		FILM NUMBER:		20572087

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Inc.
		CENTRAL INDEX KEY:			0001364742
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				320174431
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055
		BUSINESS PHONE:		212-810-5300

	MAIL ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock, Inc.
		DATE OF NAME CHANGE:	20060929

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	New BlackRock, Inc.
		DATE OF NAME CHANGE:	20060601
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>us81721m1099_020320.txt
<TEXT>
Document 1 - file: us81721m1099_020320.txt

</DOCUMENT>
</SEC-DOCUMENT>