4. Robert Sterner, general surgeon Dr. Robert Sterner is a renowned general surgeon in San Diego, California. He received his medical diploma from David Geffen School of Medicine at UCLA about 20 years ago. After getting his medical degree, he did an internship at the University of California San Diego. The State Medical License issued in California gives him the right of medical practice in that state, his license being active through 2017.This doctor works at Weight Control Medical Clinics.