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Due to inclement weather, all GSI Offices and Endoscopy Centers will be closed on Monday, 1/26/2026. 

We will be opening at 11am on Tuesday, 1/27/2026. Outpatient procedures and office appointments scheduled before 11am are being rescheduled. Please call our office at 804-285-8206 to schedule or reschedule your appointment as needed.

Gastro Consultants of SA: Connally Oaks Medical Center

Gastro Consultants of SA: Connally Oaks Medical Center

Monday – Thursday
8:30AM – 5:00PM

Friday
8:00AM – 4:00PM

Request An Appointment

Request An Appointment

If you are experiencing a medical emergency, please call 9-1-1. This form is intended for non-urgent appointment requests only. Our office will handle non-emergency requests within 48 hours.

Gastro Consultants of SA: Connally Oaks Medical Center
2130 NE Loop 410, Suite 250, San Antonio, TX 78217
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Our Providers

John Gancayco, M.D.

Gastroenterologist
 in Live Oak, TX
Meet Dr. Gancayco

Jadesola Omoyeni, M.D.

Gastroenterologist
 in Live Oak, TX
Meet Dr. Omoyeni

Request An Appointment

If you are experiencing a medical emergency, please call 9-1-1. This form is intended for non-urgent appointment requests only. Our office will handle non-emergency requests within 48 hours.