The Centers for Medicare & Medicaid Services is considering a reversal of its 2006 decision requiring certification of facilities that perform bariatric surgery, a move the American Society for Metabolic and Bariatric Surgery, the American College of Surgeons, and other medical societies say could endanger Medicare patients who undergo bariatric surgery.

From: http://www.news-medical.net/news/20130802/CMS-proposal-to-remove-Bariatric-Surgery-Facility-Certification-may-place-Medicare-patients-at-risk.aspx