Glenn Ernest Fonbuena, MD, FPCP, FPSG, FPSDE Gastroenterology, Internal Medicine Clinic Schedule: By Appointment See also different: Thelma Doris D. Gurion, MD Aprilyn T. Gagtan, MD Crisanta Gabriela B. Palabay , MD, FPCP, FPCCP Hannah C. Urbanozo-Corpuz, MD, FPCP, DPSEDM,CCD Stella Marie P. Mabanag, MD, FPCP, FPCC << return to doctors