Meet Our Surgeons

Ajay Upadhyay, M.D., FACS, FRCS
Program Medical Director
Dr. Upadhyay has extensive experience in complex gastrointestinal procedures. He performs adjustable gastric banding, sleeve gastrectomy and both open and laparoscopic gastric bypass surgery and has more than five years of experience performing weight-loss surgeries.

Teresa Kim, M.D.
Surgeon
Dr. Kim offers expertise in gastrointestinal and bariatric procedures. She performs adjustable gastric banding and open and laparoscopic gastric bypass surgery. She has more than three years experience and comes to Alta Bates Summit from the University of California, San Francisco.

Greg Broderick-Villa, M.D.
Surgeon
Dr. Broderick-Villa delivers an excellent track record in gastrointestinal and bariatric procedures. He performs both open and laparoscopic gastric bypass surgery. He has more than three years experience and comes to Alta Bates Summit from the University of California, Davis.