Mark E. Lieb, MD

Mark E. Lieb, MD

Specialty: Cardiology
Clinical Assistant Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
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Locations
Cardiology - Mount Kisco

110 South Bedford Road
Mount Kisco, NY 10549

1-914-242-1355
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About
About Provider Mark E. Lieb, MD:

Effective June 2, 2025, Optum Cardiology will be relocating to the 100 building on South Bedford Road, on the 3rd Floor. The new suite is just a two-minute walk away.

Dr. Mark E. Lieb is a board certified cardiologist dedicated to heart health. He offers expert care for patients with cardiovascular conditions, focusing on preventive strategies and personalized treatment plans. Dr. Lieb earned his medical degree from Boston University and completed his internship and residency at Mount Sinai Hospital. He furthered his training with a cardiology fellowship at the Icahn School of Medicine at Mount Sinai.

He is affiliated with Northern Westchester Hospital. Dr. Lieb, is also recognized as a top cardiologist by Best Doctors in America, New York Magazine, Castle Connolly, and Westchester Magazine, is trusted for his dedication and expertise in cardiovascular care.

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Languages Spoken: English
Gender: Male

Patient Ratings and Comments

The following reviews are from real patients who had a recent visit with this provider:

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Education & Training
Awards & Recognitions:
  • Best Doctors in America: 2013, 2015, 2017-2018, 2019-2020
  • New York Magazine Best Doctors Award: 2013, 2015, 2017, 2019, 2021-2024
  • Castle Connolly Top Doctor: 2013-2015, 2018-2024
  • Westchester Magazine Top Doctor: 2013-2024
  • Westchester Magazine Top Cardiologist: 2019, 2021-2024
Training:
  • Undergraduate & Graduate
    • Boston University: 1988
  • Medical Education
    • Boston University: 1988
  • Internship
    • Internal Medicine Mount Sinai Hospital: 1989
  • Residency
    • Internal Medicine Mount Sinai Hospital: 1991
  • Fellowship
    • Cardiology Mount Sinai School of Medicine: 1996
    • Research Fellow, Molecular Medicine Mount Sinai School of Medicine: 1993
  • Board Certifications
    • Nuclear Cardiology: 2007
    • Cardiovascular Disease: 1995, 2006
    • Internal Medicine: 1991
Affiliations
Hospital Affiliations:
  • Northern Westchester Hospital
Professional Affiliations:
  • Adjunct Assistant Professor (Medicine, Cardiology) Mount Sinai School of Medicine: 2002-2016