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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 MD, 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 joined the Cardiovascular Institute faculty at Mount Sinai in 2010 and has since been appointed  Director of Cardiology Consult Services in July 2014  and established  the first Cardio-Oncology clinic at Mount Sinai in May 2013. Her special clinical interests and expertise include Heart Disease in Cancer patients[ Cardio-Oncology ], Cardiac Amyloidosis,  Heart Disease in Pregnancy, Coronary Artery Disease, Lipidology, Preventive 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, Vascular Biology Working Group and International Cardio-Oncology Society . She received numerous popular  awards such as People’s Choice award 2008-2012, and  Most Compassionate Doctor 2012.

    Dr. Sahni sees patients at The Mount Sinai Hospital in the main Guggenheim Pavilion, at the Hess Cancer Center, and one offsite location in midtown Manhattan. She is fluent in Spanish, Hindi, Urdu and Punjabi .



    Editor for Cardiovascular Diseases in Ferri’s Clinical Advisor 2015 and 2016  Edition


    Incidence Of Hypotension In Patients With Multiple Myeloma During High Dose Chemotherapy and Autologous Stem Cell Rescue . Blood . October 21, 2013 vol. 122 no. 21 3324 Priya Sehgal, BA, Noa Biran, MD, Gagan Sahni, MD, Ajai Chari, MD


    Cardiovascular Disease in Pregnancy : Guest Editor for August 2012 Edition of Cardiology Clinics Cardiol Clin. 2012 Aug;30(3):xi-xii. doi: 10.1016/j.ccl.2012.05.005. Sahni G, Elkayam U.


    Chest pain syndromes in Pregnancy

    Cardiol Clin. 2012 Aug;30(3):343-67. doi: 10.1016/j.ccl.2012.04.008. Review. Sahni G


    Large Interventricular Septal aneurysm with thromboembolism in a healthy woman

    Eur Heart J. 2011 Jul;32(13):1613. doi: 10.1093/eurheartj/ehr087
    Sy A, Sahni G


    Unique wall motion abnormalities on stress echocardiogram associated with Wolff–Parkinson–White pattern electrocardiogram: A case report. International Journal of Cardiology.2007 July 10;119 ,68-70

    Siva K. Mulpuru , Balendu C. Vasavada , Prabhu S. Hejmadi , Gagan Sahni


    Predictors of ICD Utilization- can we Define a Target Population; Analysis of 598 Patients

    Saugato Sanyal, Gagan Sahni, Dayana J. Eslava Manchego, NaomiOgawa, Peter Homel, Steven Evans, Patrick Lam, S Wilbur, S Mulupuru.Europace 2006; 8 (1). 1. 104/2.


    Impact of Heart Failure Medications on the Incidence of Ventricular Arrhythmias in Patients With Congestive Heart Failure Who Have Implantable Cardiac Defibrillator; a Follow up of 374 Patients JACC 2006 supplement; Volume 47; No 6.

    Saugato Sanyal, Gagan Sahni, Dayana J. Eslava Manchego, Naomi Ogawa, Peter Homel, Steven Evans,  P Lam


    Detection of Asymptomatic Atrial high rate events in Dual Chamber pacemakers and it Prognostic Significance JACC2005 supplement; Vol45; No3; 102A

    Manish B. Undavia, M.D., Gagan Sahni, M.D.,Jignesh Shah, M.D.,Joe Lovecchio, Balendu C. Vasavada, M.D.,Sabrina Wilbur, M.D.


    Case report of ruptured sinus of Valsalva Aneurysm.

    Journal of Clinical and Basic Cardiology 2000; 5:199

    Raufi A, Khan IA, Nair VM, Rahmatullah SI, Rodriguez C,Sacchi TJ, Sahni G, Vasavada BC


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 2014 and/or 2015: 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. Patients may wish to ask their physician about the activities they perform for companies.

Insurance Information

Mount Sinai Health System (MSHS) physicians - including those employed by MSHS - do not always participate in the same health plans in which MSHS hospitals or facilities participate.

Information regarding insurance participation and billing by this physician may be found on this page or obtained by contacting this provider directly.

Insurance plans that the Mount Sinai Health System hospitals or facilities participate in can be found on the Mount Sinai Health System website.

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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

Guggenheim Pavilion
1190 Fifth Avenue - First floor (South)
New York, NY 10029

Tel: 212-427-1540
Get Directions

Office Hours:
  • Monday 10:00am - 1:30pm
  • Friday 11:00am - 6:00pm
  • Spanish
  • Indian (Hindi)
Insurance Plans
  • 1199
  • Aetna
  • BCBS Direct HMO
  • BCBS Direct POS
  • BCBS Indemnity
  • BCBS MediBlue HMO
  • BCBS MediBlue PPO
  • CIGNA - Indemnity
  • CIGNA Healthcare HMO
  • CarePlus, LLC
  • Choice Care
  • Coventry Health Care
  • GHI
  • HIP Commercial
  • HealthFirst/Medicaid HMO
  • HealthNet
  • HealthPlus, Inc.
  • Magnacare
  • Medicaid
  • Medicare
  • MetroPlus Health Plan
  • Multiplan/PHCS
  • Neighborhood Health Providers, LLC
  • Oxford Freedom
  • Oxford Liberty
  • United Health Care - Mount Sinai Top Tier
  • United Health Care Commercial
  • United Health Care Empire Plan

Seventh Avenue Medical, PC

450 Seventh Avenue
Ste #309
New York, NY 10123

Tel: 212-594-0423
Get Directions

Office Hours:
  • Thursday 9:00am - 6:00pm

Hess Cancer Center

1470 Madison Avenue
New York, NY 10029

Tel: 212-824-8606
Get Directions

Office Hours:
  • Wednesday 9:00am - 1:00pm