medicare experience
While searching, I found this bariatric center. I haven't had experience with this doc - Jefferson Vaughan, MD, but his webpage lists Medicare. He is in Jupiter.
http://www.surgicalweightcontrol.com/insurances.html
Here is the past thread I posted about Medicare and the responses.
http://www.obesityhelp.com/morbidobesity/state-forums/FL/postdetail/22999.html?vc=0#23008