Glenn Ernest Fonbuena, MD, FPCP, FPSG, FPSDE Gastroenterology, Internal Medicine Clinic Schedule: By Appointment See also different: Lorivi La Nayce B. Mayo, MD, FPCP Aprilyn T. Gagtan, MD Joseph D. Cabantog, MD, DPBR, FPSVIR Ma. Luisa R. Ordoño, MD, FPSO, FPSMO, FPCP Stella Marie P. Mabanag, MD, FPCP, FPCC << return to doctors