The scandal following the Washington Post series on the squalid conditions at Washington, DC's Walter Reed Medical Center spurred the review, as AP is reporting:
He said "recent events" compelled him to redouble efforts to improve the physical environment at outpatient center and medical facilities.
"I am directing you hereby to conduct and supervise a full and immediate review of your facility's environments of care," Nicholson wrote in the March 7 memorandum, which was obtained Monday. The memo asks for a full report by March 14.
"As medical center and network directors, you all are responsible," he said. "Negative responses are required."