About
Paul Leis, DO is a Cardiologist and Assistant Professor of Medicine at Icahn School of Medicine at Mount Sinai. He earned his DO at New York College of Osteopathic Medicine and completed his Internal Medicine training at Lenox Hill Hospital in New York City. He then pursued his Cardiology fellowship at Mount Sinai Heart, Icahn School of Medicine at Mount Sinai Morningside, where he served as chief fellow.
Dr. Leis specializes in clinical cardiology, cardiac imaging, and preventive cardiology. He treats the full spectrum of cardiovascular conditions, including cardiomyopathy, hypertension, arrhythmias, valvular, coronary, and pericardial disease. He actively contributes to clinical research and has co-authored peer-reviewed manuscripts, abstracts, and book chapters. He maintains active membership in both the American College of Cardiology and the American Heart Association. He places a strong emphasis on early preventive strategies and cardiovascular wellness.
Education & Training
Medical School
New York College of Osteopathic Medicine (DO)
Residency
Internal Medicine, Lenox Hill Hospital
Fellowship
Cardiology, Mount Sinai Heart, Icahn School of Medicine at Mount Sinai Morningside
Conditions Treated
Who is Dr. Leis right for?
Dr. Leis is a strong fit for adults seeking proactive cardiovascular care. Patients managing hypertension, arrhythmias, cardiomyopathy, or valvular disease benefit from his clinical depth. His preventive focus makes him well-suited for patients who want to reduce cardiac risk before problems develop. Those interested in cardiac imaging and evidence-based cardiovascular wellness will find his approach particularly valuable.
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Frequently Asked Questions
Dr. Leis treats the full spectrum of cardiovascular conditions. These include cardiomyopathy, hypertension, arrhythmias, and valvular, coronary, and pericardial disease. He also focuses on preventive cardiology for patients looking to reduce cardiovascular risk.
Dr. Leis completed his Cardiology fellowship at Mount Sinai Heart, Icahn School of Medicine at Mount Sinai Morningside, where he served as chief fellow. He holds active membership in both the American College of Cardiology and the American Heart Association.
Dr. Leis completed his Cardiology fellowship at Mount Sinai Heart, Icahn School of Medicine at Mount Sinai Morningside. Prior to that, he completed his Internal Medicine training at Lenox Hill Hospital in New York City.
Yes, preventive cardiology is a core part of Dr. Leis's practice. He places strong emphasis on early intervention and cardiovascular wellness strategies. This approach helps patients manage risk factors before more serious conditions develop.
Dr. Leis serves as an Assistant Professor of Medicine at Icahn School of Medicine at Mount Sinai. He actively contributes to clinical research and has co-authored peer-reviewed manuscripts, abstracts, and book chapters.
Yes, cardiac imaging is one of Dr. Leis's clinical specialties. He incorporates imaging into his diagnostic and preventive cardiology work to assess cardiovascular health with precision.
Dr. Leis maintains active membership in the American College of Cardiology and the American Heart Association. These affiliations reflect his commitment to staying current with advances in cardiovascular medicine.
Doctor profile last updated March 21, 2026