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Gagan Sahni

  • ASSISTANT PROFESSOR Medicine, Cardiology
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  • Cardiovascular Disease

  • American Board of Internal Medicine

Clinical Focus


  • MBBS, Jawarharlal Nehru Medical College

  • Residency, Medical Oncology
    All-India Institute of Med. Science

  • Residency, Internal Medicine
    Long Island College Hospital

  • Fellowship, Cardiovascular Dis.
    Beth Israel Medical Center


    Gagan Sahni M.D, FACC, FACP graduated from J.N. Medical College in Aligarh, India with gold medals for highest scores in Ophthalmology, Pharmacology and highest overall score  in the Class of 1991 . She subsequently completed her residency in Internal Medicine at Long Island College Hospital, Brooklyn, a SUNY Downstate affiliate where she was also accepted responsibility for one year as Chief Resident of Internal Medicine. She received her fellowship training in Cardiovascular diseases from Beth Israel Medical Center-Long Island College Hospitals NY, and was also Chief Cardiology Fellow in the final year. During her fellowship she presented several research abstracts at American College of Cardiology with the 2006 abstract on Impact of Heart failure medications on incidence of Ventricular Arrhythmias being selected for the Young Investigators Award.

    Dr. Sahni was subsequently an Attending and CCU Director at the Metropolitan College hospital with faculty appointment of Assistant Professor of Medicine  at New York Medical College [ NYMC] Valhalla from 2006-2009. She was also appointed Site Clerkship Director for Medical students from NYMC at Metropolitan Hospital mentoring and teaching third and fourth year medical students. She was awarded Teacher of the Year award by the graduating batch of 2009 NYMC medical students and Teacher of the Year Award by Internal Medicine Residents of Metropolitan Hospital in 2007 and 2009. She also had publications in the European Heart Journal and International Journal of Cardiology during this period.

    Dr. Sahni is currently full time faculty at the Mount Sinai Hospital Cardiovascular Institute with academic appointment as Assistant Professor of Medicine since 2010. She has telemetry and teaching responsibilities at Mount Sinai in addition to offsite outpatient clinical Cardiology. Her special interest is in Pregnancy and Heart Disease, Coronary Artery Disease, Lipidology, Preventative Cardiology, Women’s Heart Health and Cardiovascular Imaging.

    Dr. Sahni is board certified by the ABIM in Internal Medicine and Cardiovascular diseases with additional Board certification in Nuclear Cardiology and Echocardiography.  She was awarded Fellowship in American College of Cardiology in 2008, Fellowship in American College of Physicians in 2009 and is a current member of the American Medical Association, American College of Cardiology, American College of Physicians, Women in Cardiology Committee of ACC, American Society of Echocardiography and Vascular Biology Working Group.

    Dr. Sahni sees patients at Mount Sinai Hospital and four offsite offices in midtown Manhattan, Queens and Brooklyn and is also fluent in Hindi, Urdu, Punjabi and Spanish.

Industry Relationships

Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device and biotechnology companies to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their relationships with such companies.

Dr. Sahni did not report having any of the following types of financial relationships with industry during 2012 and/or 2013: consulting, scientific advisory board, industry-sponsored lectures, service on Board of Directors, participation on industry-sponsored committees, equity ownership valued at greater than 5% of a publicly traded company or any value in a privately held company. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.

Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website at Patients may wish to ask their physician about the activities they perform for companies.

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Guggenheim Pavilion Floor 1st Room GP1W
1190 Fifth Avenue
New York, NY 10029

Tel: 212-241-4977
FPA Cardiovascular Medicine Associates

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New York, NY 10029

Tel: 212-427-1540
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Office Hours:
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  • Friday 12:00pm - 6:00pm
  • Spanish
  • Indian (Hindi)
Insurance Plans
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  • CarePlus, LLC
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