Dr. James Ong, MD
SaveClinical Cardiac Electrophysiology ·
Male
Accepting new patients
Dr. James Ong, MD is a clinical cardiac electrophysiologist in Tarzana, CA and has been practicing for 22 years. He specializes in clinical cardiac electrophysiology and cardiology.Read his story
Heart Rhythm Specialists of Southern California
18372 Clark St Ste 218
Tarzana, CA 91356Insurance Accepted
- Aetna
- Blue Cross Blue Shield
- Cigna
- Motion Picture Industry Health Plan
- Providence Health Plans
- UnitedHealthCare
Learn about Dr. Ong
Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.
Top Care Areas
See how frequently Dr. Ong performs your care needs compared to other doctors.
Atrial Flutter
very high
more than 99% of peers
Cardiac Electrophysiology
very high
more than 98% of peers
Cardioversion, Elective
very high
more than 97% of peers
Dr. Ong's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.
Dr. Ong's bio
This content was provided by Dr. Ong "A board-certified Cardiac Electrophysiologist, Dr. James Ong has been performing complex arrhythmia ablation since 1993. He is currently certified by ABIM in Internal Medicine, Cardiovascular Diseases, and Clinical Cardiac Electrophysiology Dr. Ong was born in Taiwan, but grew up in California where he received all his education and medical training. After graduating from the University of California, Berkeley, with a degree in Biochemistry, he went on to complete his M.D. Degree at UC San Diego in 1989. Dr. Ong trained in Cardiology and Cardiac Electrophysiology at Cedars-Sinai Medical Center, under the auspices of renowned physicians like Jeremy Swan, William Ganz, James Forrester, C. Thomas Peter, and Peng-Sheng Chen. He is the recipient of Merck, NIH, and AHA awards. He received the FHRS designation in 2008. He is the author of several scientific manuscripts in Cardiac Electrophysiology, and in particular, on the topic of atrial fibrillation. Notable articles had been published in Circulation, Journal of Clinical Investigation, American Journal of Cardiology, and Journal of Cardiovascular Electrophysiology."
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Care Philosophy
This content was provided by Dr. Ong "Education, education, education - Patients' understanding of their conditions is the most critical first step in their healing process. We emphasize patient teaching in every aspect of our encounters with our patients."
2 Specialties
- Clinical Cardiac Electrophysiology
- Cardiology
4 Board Certifications
- CardiologyAccredited by: American Board of Medical Specialties*
- Cardiovascular DiseaseAccredited by: American Board of Internal Medicine*
- Clinical Cardiac ElectrophysiologyAccredited by: American Board of Medical Specialties*
- Internal MedicineAccredited by: American Board of Internal Medicine*
57 Conditions Treated
- Aneurysm
- Angina and Acute Coronary Syndrome
- Aortic Aneurysm
- Aortic Ectasia
- Aortic Stenosis
- Aortic Valve Disease
- Aortic Valve Regurgitation
- Arrhythmias
- Arrhythmogenic Right Ventricular Dysplasia, Familial, 1
- Atrial Fibrillation
- Atrial Flutter
- Autonomic Disorders
- Benign Tumor
- Brugada Syndrome
- Cardiomegaly
- Cardiomyopathy
- Carotid Artery Disease
- Chest Pain
- Congenital Heart Defects
- Congenital Heart Disease
- Congestive Heart Failure
- Coronary Artery Disease (CAD)
- Ebstein's Anomaly
- Endocarditis
- Heart Attack (Acute Myocardial Infarction)
- Heart Block
- Heart Disease
- Heart Palpitations
- Hyperlipidemia
- Hypertension
- Hypertensive Chronic Kidney Disease
- Hypertensive Heart and Chronic Kidney Disease
- Hypertensive Heart Disease
- Hypotension
- Limb Swelling
- Limb Swelling Caused by Fluid Overload
- Long QT Syndrome
- Marfan Syndrome
- Mitral Valve Disease
- Mitral Valve Regurgitation
- Mitral Valve Stenosis
- Paroxysmal Atrial Tachycardia
- Paroxysmal Supraventricular Tachycardia
- Pericardial Disease
- Pulmonary Disease
- Pulmonary Edema
- Pulmonary Hypertension
- Pulmonary Valve Disease
- Septal Defect
- Sudden Arrhythmia Death Syndrome
- Supraventricular Tachycardia
- Syncope
- Thrombosis
- Tricuspid Valve Disease
- Vascular Disease
- Ventricular Fibrillation
- Wolff-Parkinson-White Pattern
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28 Procedures
- Ablation
- Ablation for Treatment of Atrial Fibrillation
- Ablation for Treatment of Cardiac Arrhythmias
- Angiography
- Atrial Fibrillation Surgery
- Automatic Implantable Cardioverter Defibrillator (ICD) Implantation
- Cardiac Catheterization (incl. Coronary Angiography)
- Cardiac Electrophysiology
- Cardiac Imaging
- Cardiac Resynchronization Therapy
- Cardiovascular Stress Test
- Cardioversion
- Cardioversion, Elective
- Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
- Coronary Angioplasty, Atherectomy and Stent
- Defibrillator Implantation
- Echocardiography
- Electrophysiological Study
- Heart Surgery
- Insertion of Left Ventricular Lead for Pacemaker or Cardioverter and-or Defibrillator
- Nonthoracotomy ICD Implantation
- Pacemaker Insertion or Replacement
- Radiofrequency Catheter Ablation
- Removal or Revision of Pacemaker or Cardioverter and-or Defibrillator
- Tilt Table Testing
- Tilt Testing or Cardiac Event Monitors
- Ultrasound, Cardiac
- Vascular Surgical Procedure
Background Check
0 Malpractice Claims
No malpractice history found for California.
0 Sanctions
No sanctions history found for the years that Healthgrades collects data.
0 Board Actions
No board actions found for the years that Healthgrades collects data.
Education
- U.C. BerkeleyUndergraduate School | Graduated 1984
- University Of California, San Diego, School Of MedicineMedical School | Graduated 1989
- UCLA/West La Va Medical CenterInternship Hospital | Completed 1990
- Ucla/west La VamcResidency Hospital | Completed 1992
- Cedars-Sinai Medical Center Cardiology FellowshipFellowship Hospital | Completed 1995
- Cedars-Sinai Cardiac Electrophysiology FellowshipFellowship Hospital | Completed 1996
Awards & Recognition
Awards & Honors
- Healthgrades Honor Roll
- Solomon Scholar, 1992
- National Institute of Health Research Grant, 1996
- Merck Fellowship, 1995
Media & Publications
- Relation between ligament of Marshall and adrenergic atrial tachyarrhythmia. Circulation. 1999 Aug 24;100(8):876-83., 1999
- Arrhythmias Following Cardioverter-Defibrillator Implantation: Comparison of Epicardial and Transvenous Systems. American Journal of Cardiology 1995;75:137-40., 1995
- Prevalence of Retrograde Accessory Pathway Conduction During Atrial Fibrillation. Journal of Cardiovascular Electrophysiology 1997;8(4);377-387., 1997
- Pulmonary veins and ligament of Marshall as sources of rapid activations in a canine model of sustained atrial fibrillation. Circulation. 2001 Feb 27;103(8):1157-63., 2001
- Focal source hypothesis of atrial fibrillation. J Electrocardiol. 1998;31 Suppl:32-4., 1998
- The Relation Between Atrial Fibrillation Wavefront Characteristics and Accessory Pathway Conduction. Journal of Clinical Investigation 1995;96:2284-96., 1995
- End Afib,
- Website, 2004
- Atrial fibrillation ablation, 2009
Languages Spoken
- French
- Mandarin
- Spanish
- Taiwanese
- English
Memberships & Professional Affiliations
Dr. Ong does not have any memberships or affiliations listed. If you are Dr. Ong and would like to add memberships or affiliations, please update your profile.
Dr. Ong's Reviews
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Dr. Ong's Performance
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What People Say About Dr. James Ong, MD
Dr. James Ong, MD
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VERY PLEASED AND SATISFIED WITH MY TREATMENT BY DR. OMG AND HIS STAFF
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Sep 26, 2018
Dr. James Ong, MD
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GREAT DOCTOR! HAVE COMPLETE CONFIDENCE IN HIS DECISIONS
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Jun 30, 2018
Dr. James Ong, MD
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DR. ONG IS A MIRACLE WORKER. HIS LEVEL OF EXPERTISE IS AWESOME. HE IS WONDERFULLY CARING,DEDICATED , AND TALENTED. I OWE MY IMPROVED HEALTH AND VITALITY TO DR. ONG. HE SAVED MY LIFE! THANK YOU AGAIN DR. ONG.
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PAUL T. in CA – Jun 15, 2018
Dr. James Ong, MD
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he is the best ! did my oblation and am all good thanks to him!
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ron in simi valley, ca – May 12, 2018
Dr. James Ong, MD
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DR. ONG HAS BEEN MY DOCTOR FOR MANY YEARS. HE PROVIDES EXCELLENT CARE AND HIGH QUALITY SERVICE AT EVERY VISIT. THE SAME GOES FOR HIS STAFF!
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May 10, 2018
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