Mark E. Lieb, MD
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.
- Best Doctors in America: 2013, 2015, 2017-2018, 2019-2020
- New York Magazine Best Doctors Award: 2013, 2015, 2017, 2019, 2021-2025
- Castle Connolly Top Doctor: 2013-2015, 2018-2025
- Westchester Magazine Top Doctor: 2013-2025
- Westchester Magazine Top Cardiologist: 2019, 2021-2025
- 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
- Northern Westchester Hospital
- Adjunct Assistant Professor (Medicine, Cardiology) Mount Sinai School of Medicine: 2002-2016