Rosella Dizon, MD Internal Medicine Clinic Schedule: By Appointment See also different: Gervin Brian D. Espino, MD, FPCR, FCTMRISP, FUSPKaren Frances B. Mason, MD, FPCP, DPSENathaniel Y. Cortez, MD, FPCP, FPCCRonillo A. Instrella, MD, FPAMS, FPSD<< return to doctors