Summary

Dr. James Ong treats supraventricular tachycardia, atrial fibrillation, and cardiac arrhythmia, and performs cardiac device monitoring and ambulatory EKG. He practices cardiology and has 37 years of experience. Dr. Ong speaks Chinese, English, and Spanish.

He earned his medical degree from the University of California San Diego School of Medicine and is affiliated with UCLA West Valley Medical Center. He sees patients in Tarzana and the surrounding areas of California. Patients on Vitals rate Dr. Ong 4.77 out of 5.

Overview based on verified provider data

Quick Facts

  • 4.8
  • 37 years of experience
  • 29 insurance plans accepted
  • speaks Chinese, English, Spanish
  • University Of California San Diego School Of Medicine
  • 14 written reviews
  • 1 specialty
  • 34 areas of expertise
  • 1 hospital affiliation
  • 5 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. James Juei-Chang Ong has 5 locations

Ong James Office

18372 Clark St Ste 218Tarzana, CA 91356
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Dignity Health Northridge Hospital Medical Center

18300 Roscoe BlvdNorthridge, CA 91325

Sherman Oaks Hospital

4929 Van Nuys BlvdSherman Oaks, CA 91403

West Hills Hospital

7300 Medical Center DrWest Hills, CA 91307

Compare with Similar Doctors

Dr. James Juei-Chang Ong, MD
Dr. Robert Davidson, MD
Dr. Abhishek Sinha, MD
Dr. Raghav Sharma, MD
Dr. James Juei-Chang Ong, MDDr. Robert Davidson, MDDr. Abhishek Sinha, MDDr. Raghav Sharma, MD
CardiologyCardiologyCardiologyCardiology
Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
5 
4.6 
5 
37 Years of Experience 23 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks Chinese, English, Spanish Speaks English Speaks English Speaks English, Hindi
Tarzana , CALos Angeles , CAEncino , CAWinter Park , FL
Med School: University Of California San Diego School Of Medicine Med School: New York University School Of Medicine Med School: Yale University School Of Medicine Med School: New York Medical College
Current Profile
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Insurance Plans Accepted by Dr. James Juei-Chang Ong

  • AARP
  • Aetna
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Anthem Blue Cross - PPO
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • Health Alliance
  • Health Net - HMO
  • Humana
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Medicare - PPO
  • Molina Healthcare - Medicaid (Managed)
  • Oscar Health Insurance
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • SelectHealth
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. James Juei-Chang Ong has the following specialty

Specialty Expertise

Dr. James Juei-Chang Ong has the following 34 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Atrial Fibrillation
  • Atrial Flutter
  • Bradycardia
  • Cardiac Arrhythmias
  • Cardiac Defibrillator Implant
  • Cardiac Ultrasound
  • Catheter Ablation
  • Chest Pain
  • Diabetes
  • Diabetic Foot
  • Electrocardiogram (EKG)
  • Exercise Stress Test
  • Fainting (Syncope)
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure
  • High Cholesterol (Hypercholesterolemia)
  • Hormone Replacement Therapy (HRT)
  • Nuclear Stress Test
  • Osteoporosis
  • Pacemaker Implantation
  • Palpitations
  • Polycystic Ovary Syndrome (PCOS)
  • Rapid Heart Beat (Tachycardia)
  • Shortness of Breath
  • Sudden Cardiac Death
  • Supraventricular Tachycardia
  • Thyroid Diseases
  • Unstable Angina
  • Ventricular Premature Complexes
  • Ventricular Tachycardia
  • Wolff-Parkinson-White Syndrome

Certifications, License, & Education

37 Years Experience

Dr. James Juei-Chang Ong holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Medical School

Graduated from University Of California San Diego School Of Medicine in 1989.

NPI Number

Dr. Ong's NPI number is 1912955980.

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Frequently Asked Questions

Which hospitals is Dr. James Ong affiliated with?
Dr. James Ong is affiliated with Ucla West Valley Medical Center.
Does Dr. James Ong accept my insurance?
You can see the insurance plans that Dr. James Ong accepts on their Vitals profile.
Does Dr. James Ong accept virtual/telehealth appointments?
Dr. James Ong has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. James Ong?
You can find contact information for Dr. James Ong here on Vitals.
Is Dr. James Ong accepting new patients?
Dr. James Ong has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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