Glenn Ernest Fonbuena, MD, FPCP, FPSG, FPSDE Gastroenterology, Internal Medicine Clinic Schedule: By Appointment See also different: Michelle Melendez, MD, DPBS, FPFGS, FSOFT, FPCS Thelma Doris D. Gurion, MD Joseph D. Cabantog, MD, DPBR, FPSVIR Gervin Brian D. Espino, MD, FPCR, FCTMRISP, FUSP Karen Frances B. Mason, MD, FPCP, DPSE << return to doctors