EXHIBIT 23.4

CONSENT OF INDEPENDENT AUDIT FIRM

To the Board of Directors
Grubb & Ellis Healthcare REIT, Inc.

We consent to the incorporation by reference in this Post-Effective Amendment No. 10 to Registration Statement (No. 333-133652) on Form S-11 of our report dated August 11, 2008, with respect to the Statement of Revenues and Certain Expenses for the year ended December 31, 2007, for Medical Portfolio 3. We further consent to the reference to us under heading “Experts” in the prospectus.

/s/ KMJ CORBIN & COMPANY LLP

KMJ CORBIN & COMPANY LLP

Irvine, California
December 3, 2008