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Dr. Randall Lee is a cardiologist and electrophysiologist whose research focuses on cardiac arrhythmias and vascular regeneration.

Lee is interested in improving outcomes for patients who have catheter ablation to treat complex arrhythmias, such as atrial fibrillation (A-fib) and ventricular tachycardia. Specifically, he is active in devising tools and techniques to better treat arrhythmias and prevent strokes. Working with his cardiovascular surgery colleagues, he has developed hybrid procedures combining epicardial and endocardial ablation that can work for patients with persistent A-fib when previous catheter ablation has failed. He has pioneered devices for stroke prevention, including the LARIAT device, and initiated UCSF programs providing device-based therapies for lowering stroke risk. In addition to these endeavors, he has a cardiac tissue engineering laboratory focused on heart muscle repair and reconstruction to treat heart failure and arrhythmias.

Lee earned his medical degree from the David Geffen School of Medicine at UCLA, where he also obtained a doctorate in pharmacology. After completing a residency in internal medicine at Harbor-UCLA Medical Center in Torrance, he completed a cardiology fellowship and postdoctoral fellowship in biochemistry and molecular biology at Stanford University, where he earned physician-scientist and young investigator awards in cardiology. During a second fellowship at UCSF, he subspecialized in cardiac electrophysiology, the study of heart rhythm disorders.

  • Board Certifications

    American Board of Internal Medicine, Clinical Cardiac Electrophysiology, 1996

    American Board of Internal Medicine, Cardiovascular Disease, 1991

    American Board of Internal Medicine, Internal Medicine, 1988

  • Fellowships

    UCSF, 1992

  • Residencies

    Stanford University School of Medicine, 1991

  • Internship

    Los Angeles County-Harbor-UCLA Medical Center, 1988

  • Education

    University of California, Los Angeles David Geffen School of Medicine, 1984

  • Languages

    English

Where I see patients (3)

    My reviews

    4.9

    Overall Experience
    109 Ratings
    About our process
    Mar 22, 2025
    Dr. Lee and his team always listen to my concerns and we are always able to come to agreement on the plan of care for myself. I appreciate their professionalism . I feel my care is in the safest hands
    Jan 21, 2025
    Great!!!
    Sep 27, 2024
    Since I live 200 miles away, I appreciated the time Dr Lee spent with me via Zoom. I feel very confident and grateful for the care I will receive.
    Jul 18, 2024
    Dr Lee discussed only one option
    Mar 07, 2024
    Excellent per usual.
    Nov 30, 2023
    Dr. Lee is great!
    Sep 22, 2023
    Dr Lee was professional, and gave me good advice about my physical condition
    Aug 10, 2023
    I was very comfortable with my care provider. He listened and provided alternative solutions based on my needs
    Jul 13, 2023
    Good experience

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