Dr. John Graciano Gancayco, MD

Dr. John Gancayco is a gastroenterologist who earned his medical degree from the Uniformed Services University of the Health Sciences F E Hebert School of Medicine. With 21 years of experience in digestive health care, he specializes in diagnosing and treating conditions affecting the gastrointestinal tract. Dr. Gancayco is fluent in both English and Spanish, allowing him to serve patients from diverse backgrounds.

He practices at several leading medical facilities including Baptist Medical Center, Methodist Hospital Northeast, Methodist Hospital Stone Oak, and Brooke Army Medical Center in Fort Sam Houston and San Antonio, Texas. Dr. Gancayco treats patients with colon polyps, upper gastrointestinal bleeding, and abdominal pain. His expertise includes performing lower gastrointestinal endoscopy and colonoscopy procedures to diagnose and address digestive concerns.