To schedule an appointment with Dr. Roorda, please call 650-988-7530 or please click this button: 


About Us

Silicon Valley Gastroenterology's mission is to provide personalized, high-quality care. We have created a practice that we believe in and choose for our own family members. We also believe in educating our patients as we work with them to achieve the best gastrointestinal health possible. 


​We are certified by the American Board of Internal Medicine and have years of experience. Silicon Valley Gastroenterology is located in the Melchor Pavilion building behind El Camino Hospital.


Our Physicians


Dr. George Triadafilopoulos, MD, DSC

Dr. George Triadafilopoulos is Clinical Professor of Medicine at the Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, CA. He is certified in Internal Medicine and Gastroenterology by the American Board of Internal Medicine. Dr. Triadafilopoulos’s research activity ranges from gastroesophageal reflux disease and Barrett’s esophagus, to NSAID-induced gastropathy, colon polyps, C.difficile infection, motility disorders and irritable bowel syndrome.​


For more details of Dr. Triadafilopoulos' career highlights, please click here.

To schedule an appointment with Dr. George Triadafilopoulos, please click this button: 


Dr. Andrew Roorda, MD

Dr. Andrew Roorda is Board Certified in Internal Medicine and Gastroenterology by the American Board of Internal Medicine and a Clinical Assistant Professor at the Division of Gastroenterology and Hepatology, Stanford University School of Medicine. He has published 21 articles in various scientific journals, including the New England Journal of Medicine, Digestive Diseases and Sciences, Diseases of the Esophagus and Practical Gastroenterology.


For more details of Dr. Roorda’s career highlights, please click here.

Call Us:  650-988-7530