Meet Our Columbus Circle Team

Dr. Emmanuel Gelin

Internal Medicine

Emmanuel Gelin, MD is an internist and infectious disease specialist treating patients in Brooklyn, New York, and the surrounding communities....

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Dr. Justin Amarnani

Internal Medicine

Justin Amarnani, MD chose to specialize in family medicine as he believes it is the first line of defense in...

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Dr. Mejdi Ahmad

Gastroenterology

Mejdi Ahmad, MD received his undergraduate degree from Brooklyn College, and graduated magna cum laude with a Bachelor of Science...

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Dr. Mary Greene

Cardiologist

Dr. Mary Greene, MD is our Director of Women’s Heart Health. She’s a cardiologist who specializes in Coronary and Peripheral...

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Leah Silberman, RD

Registered Dietitian

Leah Silberman, RD is a Registered Dietitian with a BS from the University of Wisconsin-Madison and a Masters in Clinical...

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Kayleen Eslinger, RD

Registered Dietitian

Kayleen Eslinger is a licensed Registered Dietitian who is passionate about educating others on the various ways that food and...

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Dr. Robert Segal

Cardiologist

Robert Segal, MD, FACC, RPVI is the founder of Medical Offices of Manhattan. Dr. Segal is a Board Certified Cardiologist...

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Hannah Cohan, NP

Nurse Practitioner

Hannah Cohan is a graduate of Binghamton University, Decker School of Nursing, with a Bachelor of Science in Nursing. After...

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