Dr. Hugh Calkins is the Catherine Ellen Poindexter Professor of Cardiology and Director of the Electrophysiology Laboratory and Arrhythmia Service at the Johns Hopkins Hospital. He is an internationally recognized expert on catheter ablation, atrial fibrillation, syncope, arrhythmogenic right ventricular dysplasia (ARVD) and arrhythmia management. Dr. Calkins attended Williams College and Harvard Medical School before training in medicine at Massachusetts General Hospital. He received his cardiology training at Johns Hopkins. His first faculty position was at the University of Michigan, where he directed the Pacemaker Service, and he returned to Johns Hopkins as director of the Arrhythmia Service in 1992. Dr. Calkins is an Associate Editor of the Journal of Cardiovascular Electrophysiology and is on the editorial board of many other cardiology journals. He is a former member of the American Board of Internal Medicine Electrophysiology Boards Test Writing Committee. Dr. Calkins is a fellow of the American College of Cardiology, the American Heart Association and the Heart Rhythm Society. He led a 44-member international task force whose 2012 Expert Consensus Statement gave recommendations for treatment and research of atrial fibrillation. Dr Calkins is a past president of the Heart Rhythm Society and was elected to be a member of the Miler Coulsen Academy of Clinical Excellence in 2014. Dr. Calkins has published more than 500 articles and book chapters on a large variety of cardiac arrhythmias. His research has focused predominantly on catheter ablation, atrial fibrillation, syncope, and arrhythmogenic right ventricular dysplasia. Dr. Calkins has also written extensively on most aspects of heart rhythm disorders and their treatment. Dr. Calkins is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiomyopathy, Cardiac Ablation, and Heart Transplant.

Mohammed Kanjwal is a Cardiologist in Baltimore,, Maryland. Dr. Kanjwal is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are His Bundle Tachycardia, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Paroxysmal Supraventricular Tachycardia (PSVT), Pacemaker Implantation, and Cardiac Ablation.

Alexander Asser is a Cardiac Electrophysiologist in Germantown, Maryland. Dr. Asser is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Arrhythmias, Familial Ventricular Tachycardia, His Bundle Tachycardia, Pacemaker Implantation, and Cardiac Ablation.

Omar Shams is a Cardiologist in Rockville, Maryland. Dr. Shams is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Paroxysmal Supraventricular Tachycardia (PSVT), Pacemaker Implantation, and Cardiac Ablation.

Jonathan Rogers is a Cardiologist in Pikesville,, Maryland. Dr. Rogers is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Atrial Fibrillation, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), His Bundle Tachycardia, and Paroxysmal Supraventricular Tachycardia (PSVT).

Hassan Kassamali is a Cardiologist in Rosedale,, Maryland. Dr. Kassamali is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Hypertensive Heart Disease, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), His Bundle Tachycardia, Atrial Tachycardia, and Pacemaker Implantation.

Steven Hearne is a Cardiologist in Salisbury,, Maryland. Dr. Hearne is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Coronary Heart Disease, Atrial Fibrillation, Angina, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Daniel Griffen is a Cardiologist in Rockville,, Maryland. Dr. Griffen is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Aortic Regurgitation, Mitral Valve Regurgitation, Necrosis, and Paroxysmal Supraventricular Tachycardia (PSVT).

Dr. Cingolani is an Associate Professor at The Johns Hopkins University School of Medicine, Division of Cardiology. He earned his medical degree from Universidad Nacional de La Plata, Argentina, and completed his Internship and Internal Medicine Residency at CEMIC, Buenos Aires, Argentina, and hypertension research post-doctoral fellowship at Henry Ford Hospital, Detroit, MI. After completing his Internal Medicine Residency at The Reading Hospital and Medical Center in Pennsylvania, Dr. Cingolani joined The Johns Hopkins Hospital as a Cardiology fellow, where he remained in the Faculty after his training. Currently, he is the Associate Director of The Johns Hopkins Hospital Coronary Care Unit, Director of the Hypertension Center and member of the Echocardiography Lab and Outpatient Cardiology Clinic. He also teaches pathophysiology to medical students. Dr. Cingolani’s research interests focus on hypertensive heart disease and its transition to heart failure. He aims to elucidate the mechanism/s by which certain matricellular proteins present in the heart seem to play a protective role. His research is mainly supported by the National Institute of Health (NIH). He is also the principal investigator of the DREAM study group, studying the effect of Melatonin in preventing atrial fibrillation in patients undergoing cardiac surgery. Dr. Cingolani has been recognized by the Council for High Blood Pressure Research of the American Heart Association for his work in hypertension and is the 2011 recipient of the PJ Schafer Memorial Heart Research Award, the 2012 Michel Mirowski Discovery Fund Award, and 2013 Magic that matters Fund. Dr. Cingolani is rated as an Advanced provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Paroxysmal Supraventricular Tachycardia (PSVT), Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Multifocal Atrial Tachycardia, Cardiac Ablation, and Tissue Biopsy.

Joseph Marine, MD, MBA, FACC, FHRS, is a clinical cardiac electrophysiologist who practices primarily at the Johns Hopkins Hospital in Baltimore, Maryland. He is a Professor of Medicine at the Johns Hopkins University School of Medicine and holds appointments as Vice-Director of Operations for the Division of Cardiology and Section Chief of Cardiology for Johns Hopkins Community Physicians. He trained at UC San Francisco Medical School, Brigham and Women’s Hospital/Harvard Medical School, Boston University Medical Center, and Beth Israel Deaconess Medical Center. Dr. Marine has lectured widely on a variety of arrhythmia topics and has served as a co-director of the American College of Cardiology (ACC) Cardiovascular Overview and Board Review Course for 10 years. He currently serves on the ACC Board of Governors and is co-editor of the ACC/HRS EP Self-Assessment Program. He also serves on other committees for the ACC, the Heart Rhythm Society, and MedChi. He is co-author of more than 130 original research and review articles and has served on writing committees for several national cardiology practice and training guidelines. As a clinical cardiac electrophysiologist, Dr. Marine specializes in the diagnosis and treatment of arrhythmias, which are heart rhythm disorders that cause the heart to beat too rapidly, too slowly, or irregularly. His research focuses on further improving the safety and effectiveness of catheter ablation and other treatments for atrial fibrillation and other atrial and ventricular arrhythmias. Dr. Marine is rated as an Advanced provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Atrial Fibrillation, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Arrhythmias, Cardiac Ablation, and Heart Transplant.

Piamsook Angkeow is a Cardiologist and a Cardiac Electrophysiologist in Elkton, Maryland. Dr. Angkeow is rated as an Advanced provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Atrial Fibrillation, Familial Progressive Cardiac Conduction Defect, Angina, Pacemaker Implantation, and Cardiac Ablation.

Alan Schneider, M.D., F.A.C.C., received his medical degree from the University of Maryland School of Medicine. He completed his residency in internal medicine and was Chief Resident in Internal Medicine at the University of Maryland Hospital, Baltimore. He then completed fellowships in Cardiology and Cardiac Electrophysiology at the University of Maryland Hospital. His special interest is the surgical and medical management of cardiac arrhythmias. Dr. Schneider has been recognized as one of the area’s “Top Doctors” every year by Washingtonian magazine. Dr. Schneider is rated as an Advanced provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Arrhythmias, Atrial Fibrillation, Familial Progressive Cardiac Conduction Defect, Pacemaker Implantation, and Cardiac Ablation.

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 Advanced provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiac Tamponade, Cardiac Ablation, and Pacemaker Implantation.

"Dr. Sunil Kumar Sinha is an Assistant Professor of Medicine in the Division of Cardiology at the Johns Hopkins University School of Medicine. He is the medical director of the Arrhythmia Service at Frederick Memorial Hospital. Dr. Sinha is also an attending physician at Johns Hopkins Howard County Medical Center. He is currently engaged in research on atrial fibrillation and catheter ablation, defibrillator and pacemaker therapy, and humanitarian device re-use. Dr. Sinha received his undergraduate degree and medical degree from the University of Manitoba in Winnipeg, Canada. He completed a residency in internal medicine at the University of Western Ontario in London, Canada. He returned to the University of Manitoba for his cardiology fellowship. Subsequently, Dr. Sinha completed his clinical cardiac electrophysiology fellowship at the Mount Sinai School of Medicine (New York, New York) prior to joining the Johns Hopkins faculty in 2005. Besides his teaching and clinical engagements, Dr. Sinha is on the editorial board for Heart Rhythm, the official journal of the Heart Rhythm Society and the Cardiac Electrophysiology Society, and was recognized with the HRS “Remarkable Reviewer” distinction from 2006 - 2015 and ""Remarkable Editor"" distinction from 2016 - 2017. He is also a reviewer for PACE, and Circulation: Arrhythmias & Electrophysiology.". Dr. Sinha is rated as an Advanced provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Heart Attack, Cardiac Ablation, and Pacemaker Implantation.

David Jackson is a Cardiologist in Columbia, Maryland. Dr. Jackson is rated as an Advanced provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Arrhythmias, Catecholaminergic Polymorphic Ventricular Tachycardia, Ventricular Tachycardia, and Familial Ventricular Tachycardia.

Vikas Kalra is a Cardiac Electrophysiologist and a Cardiologist in Towson, Maryland. Dr. Kalra is rated as an Experienced provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Atrial Fibrillation, Bidirectional Tachycardia, Catecholaminergic Polymorphic Ventricular Tachycardia, Pacemaker Implantation, and Cardiac Ablation. Dr. Kalra is currently accepting new patients.

Paresh Shah is a Cardiac Electrophysiologist and a Cardiologist in Westminster, Maryland. Dr. Shah is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Arrhythmias, Sick Sinus Syndrome, His Bundle Tachycardia, Pacemaker Implantation, and Cardiac Ablation. Dr. Shah is currently accepting new patients.

Emmanuel Nsah is a Cardiac Electrophysiologist and a Cardiologist in Salisbury, Maryland. Dr. Nsah is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Sick Sinus Syndrome, Arrhythmias, Dilated Cardiomyopathy (DCM), Pacemaker Implantation, and Cardiac Ablation. Dr. Nsah is currently accepting new patients.

Amir Najafi is an Interventional Cardiologist and a Cardiologist in Bel Air, Maryland. Dr. Najafi is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Heart Murmurs, Nasal Flaring, Angina, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Stephen Shorofsky is a Cardiac Electrophysiologist and a Cardiologist in Baltimore, Maryland. Dr. Shorofsky is rated as a Distinguished provider by MediFind in the treatment of His Bundle Tachycardia. His top areas of expertise are Arrhythmias, Ventricular Tachycardia, Paroxysmal Supraventricular Tachycardia (PSVT), Cardiac Ablation, and Pacemaker Implantation. Dr. Shorofsky is currently accepting new patients.