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Summary
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.
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.
Overview based on verified provider data
Quick Facts
- 21 years of experience
- speaks English, Spanish
- Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine
- 1 specialty
- 4 hospital affiliations
- 2 office locations
- Male
Office Locations
Dr. John Graciano Gancayco has 2 locationsBrooke Army Medical Center
3551 Roger Brooke DrFort Sam Houston, TX 78234 Tel: (210) 916-4141
Mon7:00 am - 4:00 pm
Tue7:00 am - 4:00 pm
Wed7:00 am - 4:00 pm
Thu7:00 am - 4:00 pm
Fri7:00 am - 4:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. John Graciano Gancayco, MD | Dr. Farah Harmouch, MD | Ji Soo Choi, APRN | Theresa Obonyano, APRN |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 21 Years of Experience | |||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks Arabic, English | Speaks English | Speaks English |
| Fort Sam Houston , TX | Houston , TX | SACRAMENTO , CA | SACRAMENTO , CA |
| Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine | Med School: New York University | Med School: The University of Texas Health Science Center at Houston | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Graciano Gancayco
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. John Graciano Gancayco has the following specialty
Certifications, License, & Education
21 Years Experience
MEDICAL LICENSE
Medical Doctor, Texas, 2026, Expired
EDUCATION & TRAINING
Medical School
Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of MedicineGraduated in 2005
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Frequently Asked Questions
- How can I make an appointment with Dr. John Gancayco?
- You can find contact information for Dr. John Gancayco here on Vitals.
- Which hospitals is Dr. John Gancayco affiliated with?
- Dr. John Gancayco is affiliated with Baptist Medical Center, Methodist Hospital Northeast, Methodist Hospital Stone Oak, and BROOKE ARMY MEDICAL CENTER.
- Where is Dr. John Gancayco's office located?
- Dr. John Gancayco's office is located at 3551 Roger Brooke Dr, Fort Sam Houston, TX, 78234.
- What languages does Dr. John Gancayco speak?
- Dr. John Gancayco speaks English and Spanish.
- Does Dr. John Gancayco accept virtual/telehealth appointments?
- Dr. John Gancayco has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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