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William Whang, MD Email William Whang

Cardiology (Heart)
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Mount Sinai Doctors ?
    • Position
    • ASSOCIATE PROFESSOR | Medicine, Cardiology
    • Specialties
    • Cardiology (Heart)
    • Cardiovascular Disease (Heart Disease)
    • Language
    • English
    • Hospital Affiliation
    • The Mount Sinai Hospital

William Whang MD, MS is a clinical cardiac electrophysiologist who specializes in catheter ablation procedures, and in implantation of pacemakers/defibrillators and left atrial appendage closure devices.

He graduated from Harvard College and obtained medical and public health degrees at Columbia University. He trained in internal medicine at Columbia University Medical Center, then completed cardiology and cardiac electrophysiology fellowships at Massachusetts General Hospital. From 2006-2016 he was a member of the faculty at Columbia University Medical Center. He has practiced at The Mount Sinai Hospital since 2016. He pursues clinical research in catheter ablation approaches and new device technologies. He was named in New York Magazine's Top Doctors in 2016, 2018, and 2021. 

Clinical Focus


MD, Columbia University College of Physicians & Surgeons

MD, MS, Columbia College of Physicians and Surgeons

Residency, Columbia University Medical Center

Fellowship, Massachusetts General Hospital

Residency, Internal Medicine
Columbia University Medical Center

Fellowship, Cardiology
Massachusetts General Hospital

Fellowship, Clinical Cardiac Electrophysiology
Massachusetts General Hospital