Karen Frances B. Mason, MD, FPCP, DPSE Gastroenterology Clinic Schedule: By Appointment See also different: Allan D. Corpuz, MD, FPCP, DPRAGuilvic Tirso S. Aspiras, MD, FPCCP, FPCPJoeffrey L. Zales, MDMa. Ana C. Tolentino, MD, FPCP, FPSG, FPSDEManuel C. Monis, MD, FPCP, FPCCP<< return to doctors