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Specialties: We specialize in the diagnosis and management of arrhythmias, or irregular heartbeat. We are among the most experienced in our field for implantation and follow up of pacemaker, defibrillators, and radiofrequency catheter ablation of irregular heartbeats. Established in 1997. Established by James Ong, M.D., Heart Rhythm Specialists of Southern California (HRSSC) is the first medical institution in San Fernando Valley dedicated exclusively to the care of patients with arrhythmias. Its service area encompasses San... read more
18372 Clark St # 218, Tarzana, CA, 91356, United States
Get directionsWeekday | Schedule | Status |
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Mon | 9:00 a.m. to 5:00 p.m. | |
Tue | 9:00 a.m. to 5:00 p.m. | |
Wed | 9:00 a.m. to 5:00 p.m. | |
Thu | 9:00 a.m. to 5:00 p.m. | |
Fri | 9:00 a.m. to 5:00 p.m. | |
Sat | Closed | |
Sun | Closed |
Dr Ong is the best of the best. I have seen other cardiologists who deal with Afib and this gentleman is the best. I trust him without reservation. Thanks Dr Ong
I had a great experience at Dr. Ong's office, he is an amazing physician! His receptionists were incredible and make you feel so welcoming, special shoutout to Zoe, Chanel and Nicole they make an amazing team :)
Very good doctor and person
My cardiologist referred me to Dr Ong for an A-Fib ablation, because that's what he supposedly specializes in. I went home and the vein he used to go up to my heart hemorrhaged and blew a large hole in my leg and 2 smaller "exit" holes in 2 other places. One was the venous vein. 5 weeks in the hospital, 7 bags of blood, 1 plasma bag, a wound vac attached for 3 months to the gigantic hole in my leg, sepsis, a UTI (twice), hallucinations, memory loss and on home health care for 2 months, out of work for 3 months, I'm back to w... read more
Ong James MD has a 4.3 star rating with 6 reviews.
Ong James MD is open now. It will close at 5:00 p.m.
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