Glenn Ernest Fonbuena, MD, FPCP, FPSG, FPSDE Gastroenterology, Internal Medicine Clinic Schedule: By Appointment See also different: Lorivi La Nayce B. Mayo, MD, FPCP Leah P. Sanglay, MD, FPCP, FPCC Justina Calibuso, MD, FPCP, FPCC Reynald L. Estandian, MD, FPCP, MSCN Edward Vincent G. Gaerlan, MD << return to doctors