Healthcare Realty Trust (HR) 10-Q 2008 Q2 Quarterly report

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

     Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Grubb & Ellis Healthcare REIT, Inc., or the Company, hereby certifies, to her knowledge, that:

     (i) the accompanying Quarterly Report on Form 10-Q of the Company for the period ended June 30, 2008 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

     (ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

August 13, 2008
  Date By /s/Shannon K S Johnson   Shannon K S Johnson Chief Financial Officer
 (principal financial officer)

     The foregoing certification is being furnished with the Company’s Quarterly Report on Form 10-Q for the period ended June 30, 2008, pursuant to 18 U.S.C. § 1350. It is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and it is not to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general information language in such filing.