4.8
43 Ratings with 14 written Reviews
Summary
Dr. James Ong is a cardiovascular disease specialist who earned his medical degree from the University of California San Diego School of Medicine. With 37 years of experience in cardiology, he has developed extensive expertise in treating heart rhythm disorders and cardiovascular conditions. Dr. Ong is fluent in Chinese, English, and Spanish, allowing him to serve patients from diverse backgrounds.
Dr. Ong practices throughout the San Fernando Valley, with affiliations at UCLA West Valley Medical Center and locations in Tarzana, Northridge, Sherman Oaks, and West Hills, California. He specializes in treating heart rhythm problems such as atrial fibrillation and rapid heartbeat conditions. His practice includes performing heart monitoring tests and electrocardiograms to diagnose cardiac issues. Patients rate Dr. Ong 4.8 out of 5 stars for his cardiovascular care.
Dr. Ong practices throughout the San Fernando Valley, with affiliations at UCLA West Valley Medical Center and locations in Tarzana, Northridge, Sherman Oaks, and West Hills, California. He specializes in treating heart rhythm problems such as atrial fibrillation and rapid heartbeat conditions. His practice includes performing heart monitoring tests and electrocardiograms to diagnose cardiac issues. Patients rate Dr. Ong 4.8 out of 5 stars for his cardiovascular care.
Overview based on verified provider data
Quick Facts
- 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
Based on patient feedback. Read the reviews
Office Locations
Dr. James Juei-Chang Ong has 5 locationsOng James Office
18372 Clark St Ste 218Tarzana, CA 91356 Tel: (818) 342-5377
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 Tel: (818) 885-8500
Compare with Similar Doctors
 |  |  | |
| Dr. James Juei-Chang Ong, MD | Dr. Abhishek Sinha, MD | Dr. Raghav Sharma, MD | Dr. Ramakrishna N Ramakrishna Reddy, MD |
| Cardiovascular Disease | Cardiovascular Disease | Cardiovascular Disease | Cardiovascular Disease |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 37 Years of Experience | 23 Years of Experience | 16 Years of Experience | 44 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option |
| Speaks Chinese, English, Spanish | Speaks English | Speaks English, Hindi | Speaks Chinese, Spanish |
| Tarzana , CA | Encino , CA | Winter Park , FL | San Pedro , CA |
| Med School: University Of California San Diego School Of Medicine | Med School: Yale University School Of Medicine | Med School: New York Medical College | Med School: Rangaraya Medical College |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. James Juei-Chang Ong
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
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
- Where is Dr. James Ong's office located?
- Dr. James Ong's office is located at 18372 Clark St Ste 218, Tarzana, CA, 91356.
- Does Dr. James Ong accept my insurance?
- You can see the insurance plans that Dr. James Ong accepts on their Vitals profile.
- 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.
- What languages does Dr. James Ong speak?
- Dr. James Ong speaks Chinese, English, and Spanish.
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