I'm still trying to find a surgeon that takes medicaid.
You could try:
Dr. Eagon - http://obesityhelp.com/morbidobesity/bariatric+surgeon+profile+J+Chris+Eagon+cpn.html
Dr. Hornbostel -
http://obesityhelp.com/morbidobesity/bariatric+surgeon+profile+Phillip+Hornbostel+MD+hct.h
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Best of luck to you!