Athanasios Thomaides MD FACC, FHRS
Cardiac Electrophysiology
Associate Professor of Medicine at Georgetown University School of Medicine, Cardiac Electrophysiologist at MedStar Heart and Vascular Institute, Associate Program Director of Cardiac Electrophysiology Fellowship Training Program
3800 Reservoir Road NWPasquerilla Healthcare Center (PHC),1st FloorWashington, DC 20007
Fax+1 877-303-1461
Overview of Dr. Thomaides
Dr. Athanasios Thomaides is a cardiologist specializing in cardiac electrophysiology, based in Washington, DC metropolitan area. He completed his residency in internal medicine at Indiana University School of Medicine and a cardiovascular disease fellowship at Temple University Hospital, followed by a clinical cardiac electrophysiology fellowship at MedStar Health Georgetown University. He currently serves as an attending cardiac electrophysiologist at MedStar Washington Hospital Center, MedStar Southern Maryland Hospital, and was recently appointed as an associate professor of medicine at Georgetown University School of Medicine, after serving as an assistant professor. His research and expertise focus on cardiac electrophysiology, including atrial fibrillation, cardiac implantable electronic devices (i.e. pacemakers and defibrillators), ventricular tachyarrhythmias, and lead extractions. Dr. Thomaides has published several studies in reputable journals, addressing topics such as catheter ablation utilization disparities, racial differences in hospital stay post-ablation, and experiences with dual-chamber leadless pacemakers, among others.
Education & Training
MedStar Health Georgetown UniversityFellowship, Clinical Cardiac Electrophysiology, 2013 - 2015
Temple University HospitalFellowship, Cardiovascular Disease, 2010 - 2013
Indiana University School of MedicineResidency, Internal Medicine, 2006 - 2009
The University of Texas Health Science Center at San AntonioClass of 2006
Certifications & Licensure
DC State Medical License 2013 - 2027
MD State Medical License 2015 - 2027
VA State Medical License 2014 - 2026
PA State Medical License 2010 - 2016
IN State Medical License 2008 - 2011
American Board of Internal Medicine Cardiovascular Disease- American Board of Internal Medicine Clinical Cardiac Electrophysiology
National Board of EchocardiographyComprehensive Adult Echocardiography
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification MEDSEEK Empower, SymphonyCare, LLC, 2016-2017
- CMS Meaningful Use Stage 1 Certification Centricity EMR, GE Healthcare, 2016-2017
Publications & Presentations
PubMed
- Safety and performance of a novel ICD lead for left bundle branch area pacing: Results from the ASCEND CSP trial.Robert D Schaller, Prashanthan Sanders, Jacqueline Joza, Peter Zimetbaum, Ulrika Birgersdotter-Green
Heart Rhythm. 2026-08-01 - Pulsed field ablation for pulmonary vein isolation with or without posterior wall ablation in patients with persistent atrial fibrillation: a multicenter study.Marta Lorente-Ros, Robert Kerley, David Keane, Cyrus Hadadi, Manish Shah
Journal of Interventional Cardiac Electrophysiology. 2026-07-13 - Tricuspid valve regurgitation with single- and dual-chamber helix-fixation leadless pacemakers.Cyrus A Hadadi, Nebu Alexander, Zayd Eldadah, Nima Badie, Athanasios Thomaides
Heart Rhythm. 2026-06-01
Press Mentions
Recognizing Recently Promoted FacultySeptember 20th, 2024- MedStar Health Patients Are First in the Region to Receive FARAPULSE™ Pulsed Field Ablation to Treat Atrial Fibrillation at MedStar Washington Hospital CenterMay 15th, 2024
Professional Memberships
- Fellow
- Fellow
Other Languages
- Greek
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