Byron K. Lee, MD

Cardiologist and electrophysiologist

Dr. Byron Lee is a specialist in treatments, such as radiofrequency ablation and device implantation, for patients with arrhythmia. In his research, he focuses on topics including sudden cardiac death, atrial fibrillation and biventricular pacing for heart failure.

A native of San Francisco, he earned an undergraduate degree at UC Berkeley and a medical degree at Harvard Medical School. He completed an internal medicine, cardiology and cardiac electrophysiology training at Stanford University Medical Center in 2001.


Asian Heart and Vascular Center
1600 Divisadero St., Second Floor, Suite C-244
San Francisco, CA 94115
Appointments: (415) 885-3678
Events: (415) 885-3678
Fax: (415) 885-3676

Cardiac Electrophysiology and Arrhythmia Service
400 Parnassus Ave., Fifth Floor
San Francisco, CA 94143
Phone: (415) 353-2554
Fax: (415) 353-2528

Hours: Monday to Friday
8 a.m. – 5 p.m.

Cardiovascular Genetics Program
400 Parnassus Avenue, Plaza Level, Room 94
San Francisco, CA 94143
Phone: (415) 353-2873
Fax: (415) 476-5355

Hours: Monday
noon – 4 p.m

Conditions & Treatments

Board Certification

Cardiovascular Disease, American Board of Internal Medicine
Clinical Cardiac Electrophysio, American Board of Internal Medicine

Academic Title


More about Byron K. Lee

Additional Languages



Harvard School of Medicine 1994


Stanford University Medical Center, Internal Medicine 1997


Stanford University Medical Center, Cardiology 2000
Stanford University Medical Center, Cardiac Electrophysiology 2001

Selected Research and Publications

  1. Li K, Vo K, Lee BK, Addo N, Coralic Z. Effect of a single dose of i.v. ondansetron on QTc interval in emergency department patients. Am J Health Syst Pharm. 2018 Jan 09.
  2. Guo X, Vittinghoff E, Vedantham V, Pletcher MJ, Lee BK. Trends in Hospitalizations for Cardiac Sarcoidosis in the United States, 2005-2011. Circ J. 2017 Oct 25; 81(11):1739-1741.
  3. Lee BK, Marcus GM. For cryoballoon ablation, time to effect is time well spent. Heart Rhythm. 2017 Sep; 14(9):1326-1327.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.