Karen Frances B. Mason, MD, FPCP, DPSE Gastroenterology Clinic Schedule: By Appointment See also different: Aprilyn T. Gagtan, MD Justina Calibuso, MD, FPCP, FPCC Vicky Ann S. Bautista, MD Glenn Ernest Fonbuena, MD, FPCP, FPSG, FPSDE Jubila Araceli B. De Guzman, MD, FPCP, FPSEDM << return to doctors