Nathaniel Y. Cortez, MD, FPCP, FPCC Cardiology Clinic Schedule: By Appointment See also different: Catherine C. Guerrero, MD Felixberto R. Fangonil, MD, FPCP Leah P. Sanglay, MD, FPCP, FPCC Justina Calibuso, MD, FPCP, FPCC Glenn Ernest Fonbuena, MD, FPCP, FPSG, FPSDE << return to doctors