30 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ong, Specialist in Tarzana, CA?
Dr. James Ong, MD is a Specialist, who primarily practices in Tarzana, CA. He has been practicing for over 30 years and is board certified by the American Board of Internal Medicine. Dr. Ong graduated from University of California and completed his residency at Cedars-Sinai Med Ctr, Cardiovascular Diseases; Vet Affairs Med Ctr-W La, Internal Medicine. Dr. Ong is fluent in English and Chinese, and is currently seeing new patients. Dr. Ong’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ong’s office at (818) 342-5377.
Where did Dr. Ong go to medical school and complete their residency?
Fellowship: Cedar Sinai Medical Center, Los Angeles, CA
Residency: Cedars-Sinai Med Ctr, Cardiovascular Diseases; Vet Affairs Med Ctr-W La, Internal Medicine | Ucla/west La Vamc | University of California, Los Angeles (UCLA) Affiliated Hospitals | VA Greater Los Angeles Healthcare System
Medical School: University of Ca, San Diego, Sch of Med, La Jolla Ca | University of California
Is Dr. Ong board certified in Specialist?
Yes, Dr. James Ong, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Ong speak?
Dr. Ong and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does Dr. Ong treat?
As a Specialist, Dr. Ong diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Ong. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Atrial Fibrillation
- Other Heart Rhythm Disorder
- Atrial Flutter
- Supraventricular Tachycardia
- Premature Ventricular Contractions
- Slow Heart Rate
- Sick Sinus Syndrome
- Ventricular Tachycardia
- Fast Heartbeat
- Complete Heart Block
- Premature Atrial Contractions
- Arrhythmia
- Familial atrial fibrillation
- Sick sinus syndrome
- Afib
- A-fib
- Irregular heart rhythm
- Cardiac Dysrhythmia
- Irregular Heartbeat
- Heart Rhythm Problems
- A-flutter
- Heart flutter
- Rapid atrial rhythm
- SVT
- Fast heart rate
- Rapid heartbeat
- PVCs
- Ventricular Ectopic Beats
- Skipped Heartbeat (Ventricular)
- Bradycardia
- Slow Pulse
- Low Heart Rate
- Sinus Node Dysfunction
- Bradycardia-Tachycardia Syndrome
- SSS
- VT
- V-tach
- Fast heart rhythm
- Rapid Heart Rate
- Complete AV Block
- Third-Degree Heart Block
- PACs
- Atrial Ectopic Beats
- Skipped Heartbeat (Atrial)
ICD-10 Codes:
- I480: Paroxysmal atrial fibrillation
- I498: Other specified cardiac arrhythmias
- I484: Atypical atrial flutter
- I4710: Supraventricular tachycardia, unspecified
- I493: Ventricular premature depolarization
- R001: Bradycardia, unspecified
- I495: Sick sinus syndrome
- I483: Typical atrial flutter
- I4720: Ventricular tachycardia, unspecified
- I471: Supraventricular tachycardia
- I442: Atrioventricular block, complete
- I491: Atrial premature depolarization
Also known as:
- Having a Pacemaker
- Having an Implantable Cardiac Defibrillator (ICD)
- Pacemakers and Implantable Defibrillators
- Heart pacemaker
- Artificial pacemaker
- Implanted heart device
- ICD implant
- Automatic defibrillator
- Implanted heart shock device
ICD-10 Codes:
- Z950: Presence of cardiac pacemaker
- Z95810: Presence of automatic (implantable) cardiac defibrillator
Also known as:
- Other Cardiac Implants
- Heart Devices
- Cardiac Grafts
- Implantable Heart Devices
ICD-10 Codes:
- Z95818: Presence of other cardiac implants and grafts
Also known as:
- Long-standing Atrial Fibrillation
- Permanent Atrial Fibrillation
- Atrial Fibrillation
- Chronic AFib
- Long-term AFib
- Permanent AFib
- Irreversible AFib
- Fixed Atrial Fibrillation
ICD-10 Codes:
- I4811: Longstanding persistent atrial fibrillation
- I4821: Permanent atrial fibrillation
Also known as:
- Chronic Systolic Heart Failure
- Heart Failure
- Long-term Systolic Heart Failure
- Chronic HFrEF
- Ongoing Pumping Heart Failure
ICD-10 Codes:
- I5022: Chronic systolic (congestive) heart failure
Also known as:
- High Blood Pressure Heart Disease
- Heart Disease
- High Blood Pressure
- Hypertensive Cardiomyopathy
- Heart Problems from High Blood Pressure
ICD-10 Codes:
- I119: Hypertensive heart disease without heart failure
Also known as:
- Narrowed Aortic Valve
- Heart Valve Disease
- Aortic Valve Stenosis
- Tight Aortic Valve
ICD-10 Codes:
- I350: Nonrheumatic aortic (valve) stenosis
Does Dr. Ong accept my insurance?
Dr. Ong accepts most major insurance plans. Important: Please call our office at (818) 342-5377 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ong accept in Tarzana, CA?
Dr. Ong in Tarzana, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
Centene
City of Los Angeles
CVS Health (formerly Aetna)
Directors Guild of America Employees
Elevance Health Inc. (formerly Anthem)
Express Scripts
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Ong's office located?
What is Dr. Ong's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ong's National Provider Identifier (NPI) number is 1912955980.
What common questions do patients ask about Dr. Ong?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ong
What is Dr. James Ong's specialty?
Dr. Ong is a Specialist near Tarzana, CA. Contact Dr. Ong to book an appointment today.
Is this Dr. James Ong affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ong is affiliated with Dignity Health - Northridge Hospital Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Specialist?
Explore Specialist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is James Ong accepting new patients in Tarzana, CA?
Yes, Dr. James Ong is accepting new patients at this time.
Does Dr. James Ong offer online booking?
Please contact Dr. Ong's office at (818) 342-5377 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with James Ong?
Please contact Dr. Ong's office at (818) 342-5377 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. James Ong have?
Dr. James Ong is certified by the American Board of Internal Medicine.
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