
Hemal M Nayak MD FACC, FHRS
Cardiac Electrophysiology
Professor of Medicine, University of Texas Health San Antonio
Join to View Full Profile
8300 Floyd Curl DrFl 3San Antonio, TX 78229
Phone+1 210-450-4888
Fax+1 210-450-6018
Dr. Nayak is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Education & Training
University of Pennsylvania Health SystemFellowship, Cardiovascular Disease, 1999 - 1999
Drexel University College of Medicine/Hahnemann University HospitalFellowship, Clinical Cardiac Electrophysiology, 1998 - 1998
Icahn School of Medicine at Mount Sinai/Mount Sinai HospitalFellowship, Cardiovascular Disease, 1995 - 1998
New York Presbyterian Hospital (Columbia Campus)Residency, Internal Medicine, 1991 - 1995
Icahn School of Medicine at Mount SinaiClass of 1991
City College of New YorkBS, Biomedicine, Valedictorian, 1984 - 1989
Certifications & Licensure
IL State Medical License 2004 - 2026
TX State Medical License 2022 - 2026
PA State Medical License 1998 - 2004
NC State Medical License 1999 - 2003
NY State Medical License 1993 - 2003
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Cardiovascular Disease
American Board of Internal Medicine Clinical Cardiac Electrophysiology
Awards, Honors, & Recognition
- Medical Resident Teaching Award University of Chicago, 2013
- Roderick R. Childers Teaching Award Section of Cardiology, University of Chicago, 2013
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012-2013
- Join now to see all
Clinical Trials
- Longitudinal Surveillance Registry (LSR) of ACUITY Spiral Start of enrollment: 2009 Aug 04
- remedē System Therapy Study Start of enrollment: 2019 Jun 18
- Intravascular Ultrasound (IVUS) Imaging During Transvenous Lead Extraction Start of enrollment: 2019 Sep 13
Publications & Presentations
PubMed
- CACNA1C c.1255G>A Variant Is Associated With an Atypical Timothy Syndrome Phenotype.Victoria Fanucci, Hemal M Nayak, Utkarsh Kohli
JACC. Case Reports. 2025-07-02 - Radiofrequency Ablation of Crista Terminalis Focal Atrial Tachycardia Using End Inspiration to Prevent Phrenic Nerve Paralysis.Pedro J Diaz Delgado, Juan Carlos Batlle, Evan Saenger, Sergio Mellado, Juan Rodriguez Lopez
JACC. Case Reports. 2025-07-02 - A novel familial pathogenic desmoplakin () gene mutation (c.4751_4752del) presenting as "hot-phase" left-dominant arrhythmogenic cardiomyopathy.Victoria Fanucci, Dhaval Chauhan, Nita Ray Chaudhuri, Hemal M Nayak, Utkarsh Kohli
Future Cardiology. 2025-06-01
Journal Articles
- Consequences of retained defibrillator and pacemaker leads following heart transplantation � an underrecognized problemHolzhauser L, Teruhiko I, Nayak HM, Sarswat N, Kim G, Raikhelkar J, Kalantari S, Onsager D, Song T, Ota T, Jeevanandam V, Sayer G, Uriel N, Journal of Cardiac Failure, 1/1/2018
- High resolution mapping of the triangle of Koch: Spatial heterogeneity of fast pathway atrionodal connectionsChua K, Upadhyay G, Lee E, Aziz Z, Beaser A, Ozcan C, Broman M, Nayak HM, Tung R, Heart Rhythm, 1/1/2017
- Impact of race and gender on clinical outcomes of catheter ablation in patients with atrial fibrillationBukari A, Nayak HM, Aziz Z, Deshmukh A, Tung R, Ozcan C, Pacing and Clinical Electrophysiology, 1/1/2017
- Join now to see all
Books/Book Chapters
Abstracts/Posters
- Techniques and approaches for mapping and radiofrequency catheter ablation of supraventricular and ventricular arrhythmias.Nayak HM, Mehta D, Proceedings of the VI Asian-Pacific Symposium on Cardiac Pacing and Electrophysiology, Monduzzi Editore S.p.A., Bologna, Italy, 1/1/1997
Other
- An Open Letter (Nayak letter on cybersecurity of pacemakers and defibrillators)Nayak HM
www.medsec.com/blog - FDA and DHS communications as a direct result of research performed by Nayak and MedSec on medical device cybersecurityNayak HM
http://www.fda.gov/MedicalDeviceSafety/AlertsandNotices/ucm535843.htm - Patient education video on nonvalvular atrial fibrillation (Preparing for Your Visit)Nayak HM
eliquis.bmscustomerconnect.com
Authored Content
- Consequences of Retained Defibrillator and Pacemaker Leads Following Heart Transplantation – an Underrecognized ProblemJanuary 2018
- Consequences of Retained Defibrillator and Pacemaker Leads Following Heart Transplantation – an Underrecognized ProblemJanuary 2018
Press Mentions
The Lead Episode 89: Vasovagal Responses to Human ...September 19th, 2025
Professional Memberships
- Member
- Member
- Heart Rhythm SocietyMember
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:









