Karen Frances B. Mason, MD, FPCP, DPSE Gastroenterology Clinic Schedule: By Appointment See also different: Michelle Melendez, MD, DPBS, FPFGS, FSOFT, FPCS Mary Judith Ragasa-Javier, MD, FPCP, FPSN Johanna D. Tipallo, MD, DPCP Dante Cecilio Rey S. Valdez, MD Brenda M. Espinosa, MD, FPCP, FPCC, FACP << return to doctors