James J, Ong M.D.Attending PhysicianCardiology Internal Medicine Education: UC San Diego School of MedicineMain Office:818-342-5377 Heart Rhythm Specialists of Southern California 18372 Clark St #218 Tarzana, CA 91356 Clinic Intersts:cardiac arrhythmia & conduction disorders, electrocardiogram, electrophysiology study, heart failure, icd implant, intracardiac catheter ablation, other electrophysiology procedure.....Hospital Affiliations: West Hills Hospital and Medical Center Los Robles Regional Medical Center ½ÓÊܱ£ÏÕ: Anthem Blue Cross PPO/POS Cigna PPO/POS/EPO GWH-CIGNA (Great West) PPO, POS Medicare Medi-Medi (Medicare-Medi-Cal) United Healthcare HMO Plan