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Dr. James J. Ong, MD http://d1ffafozi03i4l.cloudfront.net/img/prov/X/G/V/XGV3G_w120h160_v8291.jpg Visit Healthgrades for information on Dr. James J. Ong, MD. Find Phone & Address information, medical practice history, affiliated hospitals and more.

Specializes in Clinical Cardiac Electrophysiology • Male

18372 Clark St Ste 218
Tarzana, CA 91356
OverviewPhone & AddressExperienceHospital QualityPatient Satisfaction

Key things you need to know about
Dr. Ong:

1

Phone & Address

Check insurance plans, locations and make an appointment

Accepting new patients?

  • Yes

Dr. Ong's Offices

Heart Rhythm Specialists of Southern California
Tarzana
18372 Clark St Ste 218
Tarzana, CA 91356
227 W Janss Rd Ste 360
Thousand Oaks, CA 91360
MoreSchedule an appointment
Healthgrades

7 Tips to Prepare for Your Appointment

The key to a successful appointment is communication. To get the most out of your visit, prepare ahead of time so you can lead the conversation with your doctor. These 7 tips will get you ready

2

Dr. Ong's Experience

Research training, expertise and qualifications

Dr. Ong's Care Philosophy

Dr. Ong's Specialties

Procedures Dr. Ong Performs

Conditions Dr. Ong Treats

MoreGet the facts on Dr. Ong

3

Hospital Quality

The right hospital is as important as the right doctor

Providence Tarzana Medical Center
18321 Clark St
Tarzana, CA 91356
Sherman Oaks Hospital
4929 Van Nuys Blvd
Sherman Oaks, CA 91403

See All 5 Hospital Locations

MoreKnow where you'll be treated

Healthgrades

9 Facts About Hospital Quality

Patients’ risk of dying during a hospital stay for heart bypass surgery could be 85.2% lower, on average, at a hospital rated 5 stars compared to a hospital rated 1 star for that procedure. Choosing the right hospital is critical to your health. View Slideshow

4

Patient Satisfaction

Patients' feedback on their experience with Dr. Ong

Healthgrades

8 Facts About Patient Satisfaction Surveys

Patient satisfaction surveys provide a standardized way of reporting about healthcare experiences. But there can be more than meets the eye when reviewing scores. Here's what you should know

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  1. 1

    Phone & Address

    Check insurance plans, locations and make an appointment

    Is Dr. Ong accepting new patients?

    • Yes.
    A
    Heart Rhythm Specialists of Southern California
    Tarzana
    18372 Clark St Ste 218
    Tarzana, CA 91356
    (818) 600-4512
    Contact Information
    (818) 342-5377 (Office)
    (818) 996-9378 (Fax)
    • Parking: Free
    B
    227 W Janss Rd Ste 360
    Thousand Oaks, CA 91360
    (818) 600-4512
    Contact Information
    (818) 342-5377 (Office)
    (818) 996-9378 (Fax)
    Loading Map...
    2

    Accepted Insurances

    What insurance does he accept?*

    • Aetna
    • Blue Cross Blue Shield
    • Cigna
    • Medicare
    • Motion Picture Industry Health Plan
    • Providence Health Plans
    • UnitedHealthCare
    Less
    * Please verify this information when scheduling an appointment.
    Healthgrades

    7 Tips to Prepare for Your Appointment

    The key to a successful appointment is communication. To get the most out of your visit, prepare ahead of time so you can lead the conversation with your doctor. These 7 tips will get you ready

  2. Dr. Ong's Experience

    Dr. Ong's Care Philosophy

    Specialties

    • Clinical Cardiac Electrophysiology
    • Cardiology

    Board Certifications

    • Cardiology
    • Cardiovascular Disease
    • Clinical Cardiac Electrophysiology
    • Internal Medicine
    1

    Dr. Ong says...

    • 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 Imaging
    • Cardiac Resynchronization Therapy
    • Cardioversion
    • Cardioversion, Elective
    • Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
    • Coronary Angioplasty, Atherectomy and Stent
    • Defibrillator Implantation
    • Echocardiography
    • Electrophysiological Study
    • Nonthoracotomy ICD Implantation
    • Pacemaker Insertion or Replacement
    • Radiofrequency Catheter Ablation
    • Removal or Revision of Pacemaker or Cardioverter and-or Defibrillator
    • Tilt Testing
    • Tilt Testing or Cardiac Event Monitors
    • Ultrasound, Cardiac
    2

    Dr. Ong says...

    • Angina and Acute Coronary Syndrome
    • Aortic Aneurysm
    • Aortic Ectasia
    • Aortic Valve Disease
    • Arrhythmias (incl. Atrial Fibrillation)
    • Arrhythmogenic Right Ventricular Dysplasia, Familial, 1
    • Atrial Fibrillation
    • Atrial Flutter
    • Brugada Syndrome
    • Cardiomegaly
    • Cardiomyopathy
    • Carotid Artery Disease
    • Congenital Heart Disease
    • Congestive Heart Failure
    • Coronary Artery Disease (CAD)
    • Ebstein's Anomaly
    • Endocarditis
    • Heart Attack (Acute Myocardial Infarction)
    • Heart Block
    • Hyperlipidemia
    • Hypertension
    • Hypertensive Chronic Kidney Disease
    • Hypertensive Heart and Chronic Kidney Disease
    • Hypertensive Heart Disease
    • Hypotension
    • Long QT Syndrome
    • Mitral Valve Disease
    • Paroxysmal Atrial Tachycardia
    • Paroxysmal Supraventricular Tachycardia
    • Pericardial Disease
    More
    • Pulmonary Hypertension
    • Pulmonary Valve Disease
    • Septal Defect
    • Sudden Arrhythmia Death Syndrome
    • Supraventricular Tachycardia
    • Syncope
    • Tricuspid Valve Disease
    • Ventricular Fibrillation
    • Wolff-Parkinson-White Pattern
    Less
    3

    Background Check for Dr. Ong

    0 Malpractice Claims

    • No malpractice history found for California.
    • 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.
    4

    Awards & Recognitions

    Awards

    Media & Publications

    • Solomon Scholar, 1992
    • National Institute of Health Research Grant, 1996
    • Merck Fellowship, 1995
    • 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
    5

    Education & Training

    Medical School

    University Of California, San Diego, School Of Medicine
    Graduated in 1989

    Internship Hospital

    UCLA/West La Va Medical Center
    Complete in 1990

    Residency Hospital

    UCLA/West La Vamc
    Complete in 1992

    Fellowship Hospital

    Cedars-Sinai Cardiac Electrophysiology Fellowship
    Complete in 1996
    Cedars-Sinai Medical Center Cardiology Fellowship
    Complete in 1995

    Undergraduate Schools

    U.C. Berkeley
    Graduated in 1984
    6

    Languages Spoken by Dr. Ong & Staff

    • English
    • Chinese
    • French
    • Spanish
    • Taiwanese
    Healthgrades

    10 Steps to Pick the Right Doctor

    Whether you need a primary care doctor or a specialist, these 10 steps will ensure you find the right doctor for you. View Slideshow

  3. Dr. Ong's Hospital Quality

    The right hospital is as important as the right doctor

    Healthgrades Hospital Quality Ratings

    Check out the quality of care at the 5 hospitals where Dr. Ong has admitting privileges:

    Viewing 1 of 5
    • Featured Hospital
      Featured Hospital Quality brought to you by Providence Tarzana Medical Center

      Providence Tarzana Medical Center

    • Encino Hospital Medical Center

    • Los Robles Hospital and Medical Center

    • Sherman Oaks Hospital

    • West Hills Hospital & Medical Center

    Healthgrades

    9 Facts About Hospital Quality

    Patients’ risk of dying during a hospital stay for heart bypass surgery could be 85.2% lower, on average, at a hospital rated 5 stars compared to a hospital rated 1 star for that procedure. Choosing the right hospital is critical to your health. View Slideshow

  4. Patient Satisfaction

    Patients' feedback on their experience with Dr. Ong

    Dr. James J. Ong, MD
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    Likelihood to Recommend

    4.8
    • 105 Star Ratings
    1 5 105

    4.8 out of 5

    Likelihood of recommending Dr. Ong to family and friends

    4.8 out of 5

    105 responses

    Dr. Ong's Office & Staff

    Ease of scheduling urgent appointments

    4.8 out of 5

    103 responses

    Office environment, cleanliness, comfort, etc.

    4.9 out of 5

    104 responses

    Staff friendliness and courteousness

    4.9 out of 5

    103 responses

    Total wait time (waiting & exam rooms)

    10 – 15 minutes

    103 responses

    Experience with Dr. Ong

    Level of trust in provider's decisions

    4.8 out of 5

    104 responses

    How well provider explains medical condition(s)

    4.8 out of 5

    104 responses

    How well provider listens and answers questions

    4.9 out of 5

    104 responses

    Spends appropriate amount of time with patients

    4.8 out of 5

    103 responses

    How was your experience with Dr. Ong?

    Provide feedback so others can make an informed decision.

    Healthgrades

    8 Facts About Patient Satisfaction Surveys

    Patient satisfaction surveys provide a standardized way of reporting about healthcare experiences. But there can be more than meets the eye when reviewing scores. Here's what you should know

  5. How was your experience with Dr. Ong?

    Help other patients, and let the doctor know how he's doing

    Dr. Ong's Office & Staff
    Ease of scheduling urgent appointments
    Office environment, cleanliness, comfort, etc.
    Staff friendliness and courteousness
    Experience with Dr. Ong
    Level of trust in provider's decisions
    How well provider explains medical condition(s)
    How well provider listens and answers questions
    Spends appropriate amount of time with patients
    Overall
    Likelihood of recommending Dr. Ong to family and friends*
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