Nathaniel Y. Cortez, MD, FPCP, FPCC Cardiology Clinic Schedule: By Appointment See also different: Joeffrey L. Zales, MDKaren Frances B. Mason, MD, FPCP, DPSEMary Judith Ragasa-Javier, MD, FPCP, FPSNReynald L. Estandian, MD, FPCP, MSCNRonillo A. Instrella, MD, FPAMS, FPSD<< return to doctors