Andrew Posselt is a General Surgeon in San Francisco, California. Dr. Posselt is rated as a Distinguished provider by MediFind in Gastrectomy. His top areas of expertise are Obesity, Chronic Pancreatitis, Hereditary Pancreatitis, Islet Cell Transplantation, and Sleeve Gastrectomy.

Carlos Corvera is a General Surgeon in San Francisco, California. Dr. Corvera is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Pancreatic Cancer, Liver Cancer, Cholangiocarcinoma (Bile Duct Cancer), Pancreatectomy, and Hepatectomy.

James O'brien is a Gastroenterologist in South San Francisco, California. Dr. O'brien is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Barrett Esophagus, Bile Duct Obstruction, Gallstones, Colonoscopy, and Endoscopy. Dr. O'brien is currently accepting new patients.

Dr. Mark M. Tsuchiyose is a board-certified gastroenterologist with over 35 years of experience in the diagnosis and treatment of gastrointestinal and liver disorders. He provides personalized, patient-centered care and is highly skilled in diagnostic and therapeutic endoscopy to achieve the best possible outcomes.Since 2014, Dr. Tsuchiyose has expanded his practice through formal training in functional and holistic medicine, inspired by his daughter’s prolonged illness following post-infectious IBS and Lyme disease. This experience strengthened his focus on identifying root causes of chronic disease and integrating innovative, evidence-based care beyond conventional approaches.He has developed targeted nutritional strategies to address pyloric valve dysfunction, helping many patients reduce bile-related injury and safely discontinue long-term proton pump inhibitor (PPI) therapy. At the Center for Diabetes and Cardiometabolic Health (CDCH), Dr. Tsuchiyose has successfully improved liver health, reducing liver fat in approximately 90% of patients through metabolic and nutritional interventions. He is also a committed advocate for physician support, community health, and public wellness. Dr. Tsuchiyose is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Exocrine Pancreatic Insufficiency, Angiodysplasia of the Colon, Indigestion, Gastrectomy, and Endoscopy.

Robert Osterhoff is a Gastroenterologist in Burlingame, California. Dr. Osterhoff is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Jaundice, Hepatitis, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy. Dr. Osterhoff is currently accepting new patients.

Vino Verghese is a Gastroenterologist in Burlingame, California. Dr. Verghese is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Swallowing Difficulty, Painful Swallowing, Pancreatic Cancer, Endoscopy, and Pancreatectomy. Dr. Verghese is currently accepting new patients.

Kimberly Dalal is a General Surgeon in Burlingame, California. Dr. Dalal is rated as an Experienced provider by MediFind in Gastrectomy. Her top areas of expertise are Familial Pancreatic Cancer, Pancreatic Cancer, Melanoma, Pancreatectomy, and Small Bowel Resection. Dr. Dalal is currently accepting new patients.

Katherine Wong is a Gastroenterologist in Burlingame, California. Dr. Wong is rated as an Experienced provider by MediFind in Gastrectomy. Her top areas of expertise are Esophageal Varices, Macroamylasemia, Portal Hypertension, Endoscopy, and Gastrectomy. Dr. Wong is currently accepting new patients.

Stanley Rogers is a General Surgeon in San Francisco, California. Dr. Rogers is rated as a Distinguished provider by MediFind in Gastrectomy. His top areas of expertise are Obesity, Hiatal Hernia, Gastroesophageal Reflux Disease (GERD), Gastric Bypass, and Sleeve Gastrectomy.

Robert Li is a General Surgeon and an Intensive Care Medicine provider in South San Francisco, California. Dr. Li is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Obesity, Stomach Cancer, Gastrointestinal Stromal Tumor, Gastrectomy, and Gastric Bypass. Dr. Li is currently accepting new patients.

Fawzi Khayat is a General Surgeon in South San Francisco, California. Dr. Khayat is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Ogilvie Syndrome, Stomach Cancer, Obesity, Gastrectomy, and Sleeve Gastrectomy. Dr. Khayat is currently accepting new patients.

David Le is a General Surgeon in South San Francisco, California. Dr. Le is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Appendicitis, Obesity, Retroperitoneal Inflammation, Gastrectomy, and Gallbladder Removal. Dr. Le is currently accepting new patients.

Sanjoy Dutta is a General Surgeon in South San Francisco, California. Dr. Dutta is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Obesity, Obesity in Children, Appendicitis, Sleeve Gastrectomy, and Gastrectomy. Dr. Dutta is currently accepting new patients.

Brindusa Truta is a Gastroenterologist in South San Francisco, California. Dr. Truta is rated as an Experienced provider by MediFind in Gastrectomy. Her top areas of expertise are Viral Gastroenteritis, Ulcerative Colitis, Colitis, Ileostomy, and Endoscopy. Dr. Truta is currently accepting new patients.

Cal Lin is a Gastroenterologist in South San Francisco, California. Dr. Lin is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Hemorrhoids, Diverticular Disease, Familial Adenomatous Polyposis, Gastrointestinal Bleeding, and Gastrectomy. Dr. Lin is currently accepting new patients.

Yume Nguyen is a Hospital Medicine specialist and a Gastroenterologist in South San Francisco, California. Dr. Nguyen is rated as an Experienced provider by MediFind in Gastrectomy. Her top areas of expertise are Hemorrhoids and Gastrectomy. Dr. Nguyen is currently accepting new patients.

Robert Perez is a General Surgeon in Daly City, California. Dr. Perez is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Paget Disease of the Breast, Breast Cancer, Gallbladder Disease, Lymphadenectomy, and Hernia Surgery.

Randolph Wong is a General Surgeon in Burlingame, California. Dr. Wong is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Hernia, Familial Pancreatic Cancer, Cholecystitis, Parathyroidectomy, and Hernia Surgery.

Edward Onuma is a Gastroenterologist in San Mateo, California. Dr. Onuma is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Hemorrhoids, Heartburn, Portal Hypertension, Gastrectomy, and Colonoscopy. Dr. Onuma is currently accepting new patients.

Nazia Hasan is a Gastroenterologist in San Francisco, California. Dr. Hasan is rated as an Advanced provider by MediFind in Gastrectomy. Her top areas of expertise are Pancreatic Pseudocyst, Esophageal Perforation, Childhood Pancreatitis, Endoscopy, and Gastrectomy. Dr. Hasan is currently accepting new patients.