Medical Properties Trust (MPW) 10-K/A 2007 FY Annual report (amended)

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER
PURSUANT TO RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

I, R. Steven Hamner, certify that:

1) I have reviewed this annual report on Form 10-K/A of Medical Properties Trust, Inc.

2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3) Based on my knowledge, the other financial information included in this report is fairly presented in all material respects as of, and for, the periods presented in this report.

Date: April 22, 2008	/s/ R. Steven Hamner
	R. Steven Hamner
	Executive Vice President and Chief Financial Officer