Meet Doug Packer, a doctor who knew from a young age he wanted to work in cardiology, and after attending Duke knew he wanted to work in electrophysiology. He loves to share his knowledge with patients, not only to help them live their healthiest lives possible, but to educate them and his colleagues so that knowledge can continue to help them and others. Dr. Packer is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Paroxysmal Supraventricular Tachycardia (PSVT), Cardiac Ablation, and Angioplasty.

Luigi Di Biase, MD, PhD, FACC, FHRS, is Section Head of Electrophysiology and Director of Arrhythmia Services at Montefiore as well as Professor of Medicine (Cardiology) at our Albert Einstein College of Medicine. Dr. Di Biase is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

Pasquale Santangeli is a Cardiologist in Cleveland, Ohio. Dr. Santangeli is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Atrial Fibrillation, Cardiac Ablation, and Pacemaker Implantation.

Dr. Usha B. Tedrow is director of the Clinical Cardiac Electrophysiology Program at Brigham and Women’s Hospital’s (BWH) Heart Rhythm Program. A cardiovascular medicine specialist, she is also an assistant professor of medicine at Harvard Medical School (HMS).Dr. Tedrow received her medical degree from HMS. She completed an internal medicine residency and a cardiology fellowship at Massachusetts General Hospital. In addition, she completed a cardiac electrophysiology fellowship at BWH. Dr. Tedrow is board certified in internal medicine, cardiovascular disease and cardiac electrophysiology.Her clinical interests include atrial fibrillation, cardiac resynchronization and ventricular tachycardia. She is currently researching left ventricular mapping and pacing data to analyze novel ablation treatments for structural heart disease. In addition, Dr. Tedrow serves on the editorial board of Circulation: Arrhythmia and Electrophysiology, has authored over 120 peer-reviewed publications and has received research funding from the Heart Rhythm Society. Dr. Tedrow is rated as an Elite provider by MediFind in Cardiac Ablation. Her top areas of expertise are Ventricular Tachycardia, Arrhythmias, Paroxysmal Supraventricular Tachycardia (PSVT), Cardiac Ablation, and Pacemaker Implantation.

William Sauer is a Cardiologist in Jamaica Plain, Massachusetts. Dr. Sauer is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Atrial Fibrillation, Cardiac Ablation, and Pacemaker Implantation.

I enjoy exercise, cooking, family, traveling, design, golf, tennis, NBA, learning, and making human connections. Dr. Tung is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Heart Block, Cardiac Ablation, and Pacemaker Implantation.

Dr. Aryana is a classically-trained cardiac electrophysiologist. He received his training at Massachusetts General Hospital/Harvard Medical School, Boston, Massachusetts. Dr. Aryana joined Regional Cardiology Associates in 2008 and Mercy Medical Group in 2015. He specializes in management of cardiac arrhythmias including both clinical and interventional therapies such as catheter ablation and cardiac rhythm device implantation.I strive to provide high-quality, patient-centric, evidence-based, but individually-tailored care to each and every one of my patients, while treating them as if they are family. Dr. Aryana is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

Srinivas Dukkipati is a Cardiologist in New York, New York. Dr. Dukkipati is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Thrombectomy.

Kenneth Ellenbogen is a Cardiologist in Richmond,, Virginia. Dr. Ellenbogen is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Ectopic Heartbeat, Atrial Fibrillation, Sarcoidosis, Cardiac Ablation, and Pacemaker Implantation.

Dr. David Douglass Spragg is a Professor of Medicine in the Department of Medicine (Division of Cardiology) at Johns Hopkins. In addition, he is the inaugural Edward St. John Professor of Cardiology. His research focuses on treatments for atrial fibrillation (AF), and particularly on catheter ablation for AF. Dr. Spragg received his undergraduate degree in the Comparative Study of Religion from Harvard College. He earned his medical degree from the College of Physicians and Surgeons at Columbia University. After pursuing a Sarnoff Cardiovascular research fellowship at Brigham and Women's Hospital, Dr. Spragg completed his internship and residency at Massachusetts General Hospital. He came to Johns Hopkins in 2001 for Cardiology and Cardiac EP fellowships. He served as chief fellow for the Cardiology program, and was recognized for his research during fellowship as the Michel Mirowski Cardiology Fellow. Dr. Spragg joined the faculty as an Assistant Professor in 2006, and was promoted to Associate Professor in 2014. He was promoted to the rank of Professor of Medicine in 2024. Besides his teaching and clinical appointments at the Johns Hopkins School of Medicine, Dr. Spragg is the Director of the Johns Hopkins Atrial Fibrillation Research Program. He is a Fellow of the Heart Rhythm Society. Dr. Spragg is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiac Tamponade, Cardiac Ablation, and Pacemaker Implantation.

Degrees: BS: Massachusetts Institute of Technology 1981 Electrical Engineering MS: Massachusetts Institute of Technology 1983 Electrical Engineering PhD: Massachusetts Institute of Technology 1987 Electrical Engineering MD: Harvard 1987 Medicine Professional Appointments: 1987-1988 Intern in Medicine, Brigham and Women's Hospital 1988-1990 Resident in Medicine, Brigham and Women's Hospital 1988-1990 Research Scientist, Harvard M.I.T. Division of H.S.T. 1990-1993 Fellow in Cardiology, Johns Hopkins University 1993-1998 Assistant Professor of Medicine, Johns Hopkins University 1996- Co-Director of Cardiac Electrophysiology, Johns Hopkins Hospital 1998-2005 Associate Professor of Medicine, Johns Hopkins University 2002-2005 Associate Professor of Biomedical Engineering, Johns Hopkins University 2005- Professor of Medicine, Johns Hopkins University 2005- Professor of Biomedical Engineering, Johns Hopkins University. Dr. Berger is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

Vivek Reddy is a Cardiologist in New York,, New York. Dr. Reddy is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

Francis Marchlinski is a Cardiologist in Philadelphia, Pennsylvania. Dr. Marchlinski is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Atrial Fibrillation, Cardiac Ablation, and Pacemaker Implantation. Dr. Marchlinski is currently accepting new patients.

Gregory Supple is a Cardiologist in Philadelphia, Pennsylvania. Dr. Supple is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Atrial Fibrillation, Cardiac Ablation, and Pacemaker Implantation. Dr. Supple is currently accepting new patients.

Edward Gerstenfeld is a Cardiologist in San Francisco, California. Dr. Gerstenfeld is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Arrhythmias, Atrial Fibrillation, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation. Dr. Gerstenfeld is currently accepting new patients.

David Frankel is a Cardiologist in Philadelphia, Pennsylvania. Dr. Frankel is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Cardiomyopathy, Cardiac Ablation, and Pacemaker Implantation. Dr. Frankel is currently accepting new patients.

Jason Zagrodzky is a Cardiologist and a Cardiac Electrophysiologist in Waco, Texas. Dr. Zagrodzky is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Atrial Fibrillation, His Bundle Tachycardia, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Cardiac Ablation, and Pacemaker Implantation.

Robert Schaller is a Cardiologist in Philadelphia, Pennsylvania. Dr. Schaller is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Cardiomyopathy, Cardiac Ablation, and Pacemaker Implantation. Dr. Schaller is currently accepting new patients.

Mohit Turagam is a Cardiologist in Edgewater, New Jersey. Dr. Turagam is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Familial Neurocardiogenic Syncope, Cardiac Ablation, and Pacemaker Implantation.

Jeffrey Arkles is a Cardiologist in Lancaster, Pennsylvania. Dr. Arkles is rated as an Elite provider by MediFind in Cardiac Ablation. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Atrial Fibrillation, Cardiac Ablation, and Pacemaker Implantation. Dr. Arkles is currently accepting new patients.