Justina Calibuso, MD, FPCP, FPCC Cardiology Clinic Schedule: By Appointment See also different: Chester O. Directo, MD, DPCPMa. Luisa R. Ordoño, MD, FPSO, FPSMO, FPCPNathaniel Y. Cortez, MD, FPCP, FPCCReynald L. Estandian, MD, FPCP, MSCNThelma Doris D. Gurion, MD<< return to doctors