Dr. Karen Hanna

David Bernstein is a General Surgeon and a Bariatric Medicine provider in Riverside, California. Dr. Bernstein is rated as an Advanced provider by MediFind in the treatment of Congenital Diaphragmatic Hernia. His top areas of expertise are Obesity, Bile Duct Stricture, Thrombophlebitis, Sleeve Gastrectomy, and Gastrectomy.

Douglas Krahn, MD, FACS, is a founder of Western Baraitric, AMC, the medical director of Parkview Center for Weight Loss, in Riverdale CA, and is also the founder and medical director of Weight Loss Services at St. Bernadine Medical Center in San Bernadino, CA. He was fellowship trained in Bariatric surgery in 2001 by Robert T. Merema, MD, FACS, at Holy Cross Hospital in Fort Lauderdale, FL. Dr. Krahn received undergraduate and MD degrees from the University of California Davis, and general surgery certification from Loma Linda University. He is a current member of the American Society for Metabolic and Bariatric Surgery, the AMA, and a Fellow of the American College of Surgeons. Dr. Krahn has preformed over 3000 Bariatric surgeries, and focuses his practice on a multitude of operations, which include LAGB, LGBP, Laparoscopic Silastic Ring GBP, LSG, and Revision Surgery. He remains committed to optimal selection of these operative tools to help patients achieve tremendous improvements in their health and quality of life.Inspiriting hope, health, and quality of life. Dr. Krahn is rated as a Distinguished provider by MediFind in the treatment of Congenital Diaphragmatic Hernia. His top areas of expertise are Obesity, Obesity in Children, Gastroesophageal Reflux Disease (GERD), Sleeve Gastrectomy, and Gastrectomy.

Sami Hamamji is a General Surgeon and a Bariatric Medicine provider in Orange, California. Dr. Hamamji is rated as a Distinguished provider by MediFind in the treatment of Congenital Diaphragmatic Hernia. His top areas of expertise are Hernia, Gallstones, Choledocholithiasis, Sleeve Gastrectomy, and Hernia Surgery. Dr. Hamamji is currently accepting new patients.