I found one doctor in Lakeland that performs Gastric Bypass Surgery :Walfredo Magarino, MD 1705 Lakeland Hills Blvd # 1 , Lakeland , Florida 33805. There is another one nearby Lee J. Gossbard, M.D. Zephyrhills , Florida 33539. The procedures they offer are Gastric Bypass Surgery, Gastric Banding Surgery, Lapband, Gastroplasty andFobi-Pouch Gastric Bypass