Overview
James Ong is a Cardiologist in Westlake Village, California. Dr. Ong is rated as an Advanced provider by MediFind in the treatment of Bidirectional Tachycardia. His top areas of expertise are Atrial Fibrillation, His Bundle Tachycardia, Atrial Tachycardia, Cardiac Ablation, and Pacemaker Implantation.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- POS
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
32144 Agoura Rd, Ste 218, Westlake Village, CA 91361
John P. McKenzie, MD Private Practice
I seek to provide the most complete care to my patients in a caring and respectful way. Dr. Mckenzie is rated as a Distinguished provider by MediFind in the treatment of Bidirectional Tachycardia. His top areas of expertise are Ventricular Tachycardia, Catecholaminergic Polymorphic Ventricular Tachycardia, Arrhythmias, Pacemaker Implantation, and Cardiac Ablation.
Erol Kosar is a Cardiologist in Torrance, California. Dr. Kosar is rated as a Distinguished provider by MediFind in the treatment of Bidirectional Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Dilated Cardiomyopathy (DCM), Pacemaker Implantation, and Cardiac Ablation. Dr. Kosar is currently accepting new patients.
Onkarjit S. Marwah, MD Private Practice
I seek to provide the most complete care to my patients in a caring and respectful way. Dr. Marwah is rated as a Distinguished provider by MediFind in the treatment of Bidirectional Tachycardia. His top areas of expertise are Heart Attack, Necrosis, Coronary Heart Disease, Heart Bypass Surgery, and Pacemaker Implantation.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Atrial FibrillationDr. Ong isDistinguished. Learn about Atrial Fibrillation.
- Atrial TachycardiaDr. Ong isDistinguished. Learn about Atrial Tachycardia.
- Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
- His Bundle TachycardiaDr. Ong isDistinguished. Learn about His Bundle Tachycardia.
- Multifocal Atrial TachycardiaDr. Ong isDistinguished. Learn about Multifocal Atrial Tachycardia.
- Paroxysmal Supraventricular Tachycardia (PSVT)
- Advanced
- ArrhythmiasDr. Ong isAdvanced. Learn about Arrhythmias.
- Bidirectional TachycardiaDr. Ong isAdvanced. Learn about Bidirectional Tachycardia.
- Cardiac AblationDr. Ong isAdvanced. Learn about Cardiac Ablation.
- Catecholaminergic Polymorphic Ventricular Tachycardia
- Ectopic HeartbeatDr. Ong isAdvanced. Learn about Ectopic Heartbeat.
- Ventricular TachycardiaDr. Ong isAdvanced. Learn about Ventricular Tachycardia.
- Experienced
- Aortic Valve StenosisDr. Ong isExperienced. Learn about Aortic Valve Stenosis.
- CardiomyopathyDr. Ong isExperienced. Learn about Cardiomyopathy.
- Dilated Cardiomyopathy (DCM)Dr. Ong isExperienced. Learn about Dilated Cardiomyopathy (DCM).
- FaintingDr. Ong isExperienced. Learn about Fainting.
- Familial Neurocardiogenic SyncopeDr. Ong isExperienced. Learn about Familial Neurocardiogenic Syncope.
- Familial Progressive Cardiac Conduction Defect

