Nash is the senior vice president for physician leadership development at Northwell Health, and the associate dean for physician leadership development at the Zucker School of Medicine.[2]
Previously, Nash served as the Chief Medical Officer and Senior Vice President for Medical Affairs at the Mount Sinai Medical Center and Associate Professor of both Medicine and Health Evidence and Policy at the Mount Sinai School of Medicine.[3]
Nash is a member of the Clinical Council of the American Heart Association (AHA) and serves on the American College of Cardiology (ACC)/AHA Joint Task Force on Clinical Competence,[7] which sets standards for training and expertise in cardiovascular medicine.
Nash was named in Castle Connolly's list of “Best Doctors” in 2007, 2008, 2010 and 2011[8] and in the New York Times list of "Super Doctors" in 2008, 2009 and 2010.[9]
Nash served on the full-time academic staff of the Cardiac Unit of the Massachusetts General Hospital and on the faculty of Harvard Medical School until 1995, when he joined the Mount Sinai Medical Center.[11]
Nash IS, Fifer MA. Pressure, flow and resistance, in Uretsky BF, ed, Cardiac Catheterization: Concepts, Techniques and Applications, Blackwell. 1997.
Nash IS, ed. The Cardiologist's Managed Care Manual. TLC Publishing, Boston, MA, 1998.
Nash IS, Fuster V, eds. Efficacy of Myocardial Infarction Therapy. Marcel Dekker, New York, NY, 1999.
Nash IS. Medical and health reporting in the news media, in Nash DB, Manfredi MP, Howell S, Bozarth, eds. Connecting with the New Health Care Consumer: Defining Your Strategy, McGraw-Hill, 2000.
Nash IS. Practice guidelines in cardiovascular care, in Fuster V, et al., eds. Hurst's the Heart, 10th edition, McGraw-Hill, 2001.
Sagall EL, Nash IS. Cardiac evaluations for legal purposes, in Fuster V, ed. Hurst's the Heart, 10th edition, McGraw-Hill, 2001.
Nash IS. Practice guidelines in cardiovascular care. Updates to Hurst's the Heart. McGraw-Hill, 2001.
Fuster V, Alexander W, O'Rourke R, Roberts R, King S, Nash IS, Prystowsky E., eds. Hurst’s The Heart, 11th edition. McGraw-Hill, 2004.
Nash IS. Practice guidelines in cardiovascular care, in Fuster V, et al., eds. Hurst's the Heart, 11th edition, McGraw-Hill, 2004.
Fuster V, O'Rourke R, Walsh R, Poole-Wilson P, King S, Roberts R, Nash IS, Prystowsky E., eds. Hurst's The Heart, 12th edition. McGraw-Hill, 2008.
Nash IS. Practice guidelines in cardiovascular care, in Fuster V, et al., eds. Hurst's the Heart, 12th edition, McGraw-Hill, 2007.
Maddox TM, Nash IS, Fuster V. Economic costs of atrial fibrillation, in Natale A, ed. Atrial Fibrillation: from Bench to Bedside. Springer-Verlag, 2008.
Stevens G, Nash IS. Post-discharge care of the cardiothoracic surgical patient, in Filsoufi, ed. Cardiac Surgery. In press.
Nemirovsky, D; Salzberg, SP; Einstein, AJ; et al. (December 2006). "Multimodal characterization of a large right atrial mass after surgical repair of an atrial septal defect". Mt. Sinai J. Med. 73 (8): 1117–9. PMID17285207.
Nash, IS; Rojas, M; Hebert, P; et al. (2005). "Reducing excessive medication administration in hospitalized adults with renal dysfunction". Am J Med Qual. 20 (2): 64–9. doi:10.1177/1062860604273752. PMID15851383. S2CID40564706.
Mansi, IA; Nash, IS (Nov 2001). "Ethnic differences in the ST segment of the electrocardiogram: a comparative study among six ethnic groups". Am J Emerg Med. 19 (7): 541–4. doi:10.1053/ajem.2001.28326. PMID11698997.
Mansi, IA; Nash, IS (Oct 2001). "Ethnic differences in electrocardiographic intervals and axes". J Electrocardiol. 34 (4): 303–7. doi:10.1054/jelc.2001.27453. PMID11590557.