Advance Bariatric Center: Joseph Naim, MD, FACS in Costa Mesa offers weight loss services including sleeve gastrectomy surgery, gastric bypass surgery, LAP-BAND® surgery, & more. Dr. Joseph Naim has performed over 3,000 weight loss surgery procedures. Many patients have achieved life-changing and long-lasting results with Gastric Sleeve, Lap-Band®, Gastric Bypass and other procedures performed by Dr. Naim. He also provides body contouring procedures that can provide a powerful complement to your weight loss. Contact us today to learn more about our practice and how Dr. Naim can help you.