Anne Thai is a Gastroenterologist in Burlingame, California. Dr. Thai is rated as an Advanced provider by MediFind in the treatment of Childhood Volvulus. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Portal Hypertension, Gastrointestinal Bleeding, Endoscopy, and Gastrectomy. Dr. Thai is currently accepting new patients.

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

Our goal is to provide you with personalized medical care using the most current technology to diagnose and treat your medical problems. Emphasis is placed on disease prevention whenever possible. Should you need specialized treatment, a range of diagnostic and therapeutic procedures are available. We will work with your primary care physician to help diagnose, treat, and heal. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Gastrectomy.

Ernest Ribera is a Gastroenterologist in Burlingame, California. Dr. Ribera is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Esophagitis, Barrett Esophagus, Gastroesophageal Reflux Disease (GERD), and Endoscopy. Dr. Ribera is currently accepting new patients.

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

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

Yasser Bhat is a Gastroenterologist in San Carlos, California. Dr. Bhat is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Bile Duct Obstruction, Choledocholithiasis, Barrett Esophagus, Endoscopy, and Colonoscopy. Dr. Bhat is currently accepting new patients.

Anupam Aditi is a Gastroenterologist in Burlingame, California. Dr. Aditi has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Bile Duct Obstruction, Cholestasis, Bile Duct Stricture, Endoscopy, and Gastrectomy.

Stefan Chin is a Gastroenterologist in Burlingame, California. Dr. Chin is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Visceromegaly, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Gastrectomy, and Colonoscopy.

In his free time, Dr. Kao enjoys playing the piano, listening to live music, enjoying the outdoors and traveling to Italy. He and his wife, who were married in her hometown of Padova, Italy, also love to bike, run and enjoy the outdoors. Dr. Roger Kao is fluent in Mandarin Chinese and conversational medical Spanish and Italian. Dr. Kao is rated as an Advanced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Gastric Dysmotility, Irritable Bowel Syndrome (IBS), Diarrhea, Gastrectomy, and Endoscopy.

Board Certified Internal Medicine. Dr. Jacoby is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Ecthyma, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Endoscopy.

I strongly believe in providing compassionate, thorough and up to date medical treatment for all of my patients. I strive to be a good listener to determine the best diagnostic and therapeutic approach for each patient every time I see them in the office. Our entire team here at Peninsula Gastroenterology Medical Group does our best to ensure your visit will be pleasant and stress free! I look forward to meeting with you. Dr. Rengstorff is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Indigestion, Endoscopy, and Gastrectomy.

Patients are the customers and owners of their health. Doctors are providers of information, education and personalized services to the patients. While doctors are good sources of opinions and guidance, ultimately all decisions should come from well informed patients. Dr. Yang strongly believes the best medical care is delivered when the doctor is a knowledgeable and compassionate patient advocate which includes providing clear communication, recommending options that have sound scientific basis, and developing action plans that are customized and well organized. It is the patient-centric approach that has served Dr. Yang and her patients well over many years. Dr. Yang is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. Her top areas of expertise are Familial Adenomatous Polyposis, Gastric Dysmotility, Indigestion, Portal Hypertension, and Colonoscopy.

Dr. Torosis is a native of Montreal, Canada and founded Peninsula Gastroenterology Medical Group in 1986. Dr. Torosis attended medical school and internship at McGill University in Montreal. In 1982 Dr. Torosis moved to California where he completed his internal medicine residency in San Diego. He attended Yale University for his fellowship in Gastroenterology and Liver Diseases. In 1986 at the completion of his fellowship, he moved to the Peninsula. Dr. Torosis is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Ulcerative Colitis, Diverticular Disease, Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy.

Medicine is an integral and active partnership between patient and physician. I strive to provide care for all my patients with warmth, compassion, and patience. I value being thorough, straightforward, and practicing medicine at the forefront of technology and research. I look forward to being a part of my patient's healthcare team. Dr. Leung is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. Her top areas of expertise are Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

Dr. Mark M. Tsuchiyose is a board-certified gastroenterologist with over 35 years of experience treating complex gastrointestinal and liver disorders. He provides personalized, patient-centered care and performs advanced diagnostic and therapeutic endoscopy with a strong emphasis on safety, comfort, and long-term outcomes. His approach blends clinical precision with a deep commitment to understanding each patient’s full health picture.Expanded his clinical model through formal training in functional and holistic medicine since 2014, focusing on root causes of chronic disease.Developed targeted nutritional strategies to support pyloric valve function and help patients reduce bile-related injury and discontinue long-term PPI therapy safely.At CDCH, improves liver health, reducing liver fat in nearly 90% of patients through metabolic and nutrition-focused interventions.Advocates for physician support, community health, and public wellness while helping patients transition away from unnecessary long-term acid suppression.Committed to compassionate, whole-person care. Dr. Tsuchiyose is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Exocrine Pancreatic Insufficiency, Angiodysplasia of the Colon, Indigestion, Gastrectomy, and Endoscopy.

Subhas Banerjee is a Gastroenterologist in Redwood City, California. Dr. Banerjee is rated as a Distinguished provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Choledocholithiasis, Bile Duct Stricture, Bile Duct Obstruction, Endoscopy, and Colonoscopy.

Frank Fazzolari is a Gastroenterologist in Palo Alto, California. Dr. Fazzolari is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Familial Adenomatous Polyposis, Heartburn, Turcot Syndrome, and Gardner Syndrome. Dr. Fazzolari is currently accepting new patients.

Brennan Scott is a Gastroenterologist in Palo Alto, California. Dr. Scott is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, and Cronkhite-Canada Disease. Dr. Scott is currently accepting new patients.

Ryan Mcconnell is a Gastroenterologist in Palo Alto, California. Dr. Mcconnell has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Crohn's Disease, Lymphocytic Colitis, Familial Adenomatous Polyposis, and Malabsorption. Dr. Mcconnell is currently accepting new patients.