BLOOD (HEMATOLOGIST) Ma. Lydia O. Ramirez MD, DPPS, FPSHBT, FPSPO, FPSPH Pediatric Hematology Click here to learn more. Katrina Rose R. Ortega MD, DPPS Pediatrics-Hematology and Oncology Send your Inquiries to us: Enter your FULL NAME Enter your EMAIL ADDRESS Enter your MESSAGE Submit