Breadcrumb Home Meet Our Bariatric Surgeons Collin Creange, MD out of 5 No ratings are available yet. Why not? General Surgery, Bariatric (Weight Loss) Surgery Patrick LeMasters, MD out of 5 No ratings are available yet. Why not? General Surgery, Bariatric (Weight Loss) Surgery James Lopes, MD, FACS out of 5 No ratings are available yet. Why not? General Surgery, Bariatric (Weight Loss) Surgery John "Joao" Lopes, MD, FACS out of 5 No ratings are available yet. Why not? General Surgery, Bariatric (Weight Loss) Surgery