Dr. James Ong, MD

Dr. James Ong, MD

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Clinical Cardiac Electrophysiology  ·  
Male
(187)

Accepting new patients

Dr. James Ong, MD is a clinical cardiac electrophysiologist in Tarzana, CA and has been practicing for 23 years. He specializes in clinical cardiac electrophysiology and cardiology.Read his story
NEW PATIENTS
(818) 224-7252
EXISTING PATIENTS
(818) 342-5377
Leave a Review

Heart Rhythm Specialists of Southern California

18372 Clark St Ste 218

Tarzana, CA 91356
Get Directions
New Patients
(818) 224-7252
Existing Patients
(818) 342-5377

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • Motion Picture Industry Health Plan
  • Providence Health Plans
  • UnitedHealthCare

Background Check

No malpractice claims found for California
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Experience Check

Check Dr. Ong's experience treating your condition or procedure

Dr. Ong's Top Procedures and Conditions

Treatment Frequency
Atrial Flutter
very high
very high

Treatment Frequency

Dr. Ong treats Atrial Flutter more than 100% of his peers

Dr. Ong treats this condition more than 100% of his peers

Cardiac Electrophysiology
very high
very high

Treatment Frequency

Dr. Ong performs Cardiac Electrophysiology more than 99% of his peers

Dr. Ong performs this procedure more than 99% of his peers

Arrhythmias
very high
very high

Treatment Frequency

Dr. Ong treats Arrhythmias more than 99% of his peers

Dr. Ong treats this condition more than 99% of his peers

Rating Includes other areas of care:

  • Atrial Fibrillation
  • Cardiac Arrest
  • Familial Atrial Fibrillation
  • Multifocal Premature Beats
  • Paroxysmal Supraventricular Tachycardia
  • Ventricular Fibrillation
  • Ventricular Fibrillation, Idiopathic
  • Ventricular Fibrillation, Paroxysmal
Hide other areas of care
Learn more about Arrhythmias
Learn more about experience ratings

Dr. Ong's conditions and procedures:

Ablation
Ablation for Treatment of Atrial Fibrillation
Ablation for Treatment of Cardiac Arrhythmias
Aneurysm
Angina and Acute Coronary Syndrome
Angiography
Aortic Aneurysm
Aortic Ectasia
Aortic Stenosis
Aortic Valve Disease
Aortic Valve Regurgitation
Arrhythmias
Arrhythmogenic Right Ventricular Dysplasia, Familial, 1
Atrial Fibrillation
Atrial Fibrillation Surgery
Atrial Flutter
Automatic Implantable Cardioverter Defibrillator (ICD) Implantation
Autonomic Disorders
Benign Tumor
Brugada Syndrome
Cardiac Catheterization (incl. Coronary Angiography)
Cardiac Electrophysiology
Cardiac Imaging
Cardiac Resynchronization Therapy
Cardiomegaly
Cardiomyopathy
Cardiovascular Stress Test
Cardioversion
Cardioversion, Elective
Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
Carotid Artery Disease
Chest Pain
Congenital Heart Defects
Congenital Heart Disease
Congestive Heart Failure
Coronary Angioplasty, Atherectomy and Stent
Coronary Artery Disease (CAD)
Defibrillator Implantation
Ebstein's Anomaly
Echocardiography
Electrophysiological Study
Endocarditis
Heart Attack (Acute Myocardial Infarction)
Heart Block
Heart Disease
Heart Palpitations
Heart Surgery
Hyperlipidemia
Hypertension
Hypertensive Chronic Kidney Disease
Hypertensive Heart and Chronic Kidney Disease
Hypertensive Heart Disease
Hypotension
Insertion of Left Ventricular Lead for Pacemaker or Cardioverter and-or Defibrillator
Limb Swelling
Limb Swelling Caused by Fluid Overload
Long QT Syndrome
Marfan Syndrome
Mitral Valve Disease
Mitral Valve Regurgitation
Mitral Valve Stenosis
Nonthoracotomy ICD Implantation
Pacemaker Insertion or Replacement
Paroxysmal Atrial Tachycardia
Paroxysmal Supraventricular Tachycardia
Pericardial Disease
Primary Pulmonary Hypertension
Pulmonary Disease
Pulmonary Edema
Pulmonary Hypertension
Pulmonary Valve Disease
Radiofrequency Catheter Ablation
Removal or Revision of Pacemaker or Cardioverter and-or Defibrillator
Septal Defect
Sudden Arrhythmia Death Syndrome
Supraventricular Tachycardia
Syncope
Thrombolysis
Thrombosis
Tilt Table Testing
Tilt Testing or Cardiac Event Monitors
Tricuspid Valve Disease
Ultrasound, Cardiac
Vascular Disease
Vascular Surgical Procedure
Ventricular Fibrillation
Wolff-Parkinson-White Pattern

About Me

Care PhilosophyBiography

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.

Specialties

  • Clinical Cardiac Electrophysiology
  • Cardiology

Board Certifications

  • Cardiology
  • Cardiovascular Disease
  • Clinical Cardiac Electrophysiology
  • Internal Medicine
Learn why a board certification matters

Education

1996
Cedars-Sinai Cardiac Electrophysiology Fellowship
Fellowship Hospital
1995
Cedars-Sinai Medical Center Cardiology Fellowship
Fellowship Hospital
1992
UCLA/West La Vamc
Residency Hospital
1990
UCLA/West La Va Medical Center
Internship Hospital
1989
University Of California, San Diego, School Of Medicine
Medical School
1984
U.C. Berkeley
Undergraduate School
1996
1995
1992
1990
1989
1984

Languages

  • French
  • Mandarin
  • Spanish
  • Taiwanese
Less...

Awards

  • Healthgrades Honor Roll
  • Solomon Scholar, 1992
  • National Institute of Health Research Grant, 1996
  • Merck Fellowship, 1995
Learn more about recognized doctors

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

Dr. Ong's Reviews

Likelihood to recommend Dr. Ong

4.9

Based on 187 reviews

5 Stars
97.86096256684492%
(183)
4 Stars
1.0695187165775402%
(2)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
1.0695187165775402%
(2)

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Dr. Ong?
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Average Wait Time
  • 10 – 15 minutes
Dr. Ong's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. James Ong, MD
RecentMost Helpful
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Dr James Ong IS the Doctor you want to go to if you have A Fib! Hands down the BEST! He took an extra 2 hours to make sure he hit every area of my heart that was causing issues with Rhythm, I have complete confidence in Dr Ong and his team at West Hills Hospital was truly amazing! I feel like I...Read More
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EXCELLENT TREATMENT
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He saved my life a couple times!
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Love Dr. Ong & his help , they go above and beyond, always with a smile on their face!
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Dr. Ong you are steller, you personify what bedside manner is- kind, patient & compassionate . We Love You!
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Locations

Heart Rhythm Specialists of Southern California

New Patient?
(818) 224-7252
1
  • Call
  • Fax
  • Hours
    • Mon: 9:00am - 5:00pm
    • Tue: 9:00am - 5:00pm
    • Wed: 9:00am - 5:00pm
    • Thu: 9:00am - 5:00pm
    • Fri: 9:00am - 5:00pm
    • Sat: closed
    • Sun: closed
  • Directions

Insurance accepted

Accepted insurance can change. Please double-check when making an appointment.

Aetna
Blue Cross Blue Shield
Cigna
Motion Picture Industry Health Plan
Providence Health Plans
UnitedHealthCare
United Healthcare

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Ong treats patients.

Learn more

Sherman Oaks Hospital

Sherman Oaks, CA