William Oh, MD

William Oh, M.D., F.A.C.S., F.A.S.C.R.S. is double board certified in general surgery as well as colon and rectal surgery. He attended Cornell University’s College of Human Ecology, receiving his bachelor’s degree in human biology, health and society with a concentration in gerontology. He developed an interest in geriatric medicine and went to New York Medical … Continued

Sabah Ahmed, MD

From a young age, Dr. Ahmed was driven to make a difference in individuals’ lives in any way possible. From taking on leadership positions, organizing humanitarian events, volunteering at local hospitals to attending medical school. Her compassion and patience, coupled with a social nature guided her path towards medicine. Dr. Ahmed was inspired to pursue a … Continued

Lino J. DeGuzman, MD

Dr. Lino DeGuzman welcomes you to his Gastroenterology practice in Newport Beach, California. Our Newport Beach office is located across the street from the Hoag Health Center and is near Hoag Presbyterian Hospital at 1525 Superior Avenue, Suite 200 in Newport Beach. We provide basic gastroenterology and hepatology services as well as Advanced Endoscopy focusing … Continued

Matthew D. Stanley, MD

Matthew D. Stanley, M.D., is a fellowship-trained thoracic surgeon at Hoag Family Cancer Institute. Dr. Stanley’s areas of expertise include robotic surgical techniques and minimally invasive surgery. He specializes in treatment of esophageal and lung cancer, gastroesophageal reflux disease (GERD), achalasia, paraoesophageal and hiatal hernias, mediastinal tumors and airway disease. Dr. Stanley completed his cardiothoracic … Continued

Kenneth J. Chang, MD

Read more about Dr. Chang Kenneth J. Chang, M.D., M.A.S.G.E., A.G.A.F., F.A.C.G., F.J.G.E.S., F.A.F.S is the Executive Medical Director of the Hoag Digestive Health Institute. Dr. Chang is a world-renown researcher, inventor, advanced endoscopist and pioneer in the field of interventional endoscopy and endoscopic oncology. He is a board-certified gastroenterologist, who is fellowship trained in … Continued

Sina Firouzi, MD

Bette M. Carlson, MD

John F. LaLonde, DO

Urvi P. Vyas, MD

Dr. Vyas found inspiration and cultivated a desire for pursuing medicine at a young age as she witnessed the immense impact her parents had as pediatricians caring for their community. She strives to make a difference in the quality of life and overall health of each patient she encounters. Visiting the United States for the … Continued