Russell Hillsley is a Cardiologist in Baltimore, Maryland. Dr. Hillsley is rated as a Distinguished provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Sick Sinus Syndrome, Arrhythmias, Familial Progressive Cardiac Conduction Defect, Pacemaker Implantation, and Cardiac Ablation.

Charles Love is director of the Johns Hopkins Cardiac Rhythm Device Service. Dr. Love is one of the foremost international authorities on pacemaker and implantable cardioverter defibrillator implantation and management. He manages patients with all types of heart rhythm disorders and has particular interest in lead extraction and lead management strategies, with an emphasis on new tools to reduce complications and strategies to reduce infection. Dr. Love is rated as an Advanced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Arrhythmias, Sick Sinus Syndrome, Ventricular Tachycardia, Pacemaker Implantation, and Cardiac Ablation.

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 Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Atrial Fibrillation, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Arrhythmias, Cardiac Ablation, and Heart Transplant.

Dr. Aronis is an Assistant Professor of Medicine in the Division of Cardiology at the Johns Hopkins School of Medicine, the Director of the Complex Adult Congenital Heart Disease Ablation Program, and the Associate Director of the Ventricular Tachycardia Ablation Program. He performs all types of electrophysiology procedures, with a special focus on complex catheter ablations for atrial and ventricular arrhythmias as well as complex ablations for arrhythmias in patients with adult congenital heart diseases. Dr. Aronis received his M.D. and Ph.D. degrees with Summa Cum Laude honors from the University of Patras School of Medicine in Greece. He completed his internal medicine residency training at Boston University Medical Center both his Cardiovascular Disease and Clinical Cardiac Electrophysiology fellowships at The Johns Hopkins Hospital. In addition, he has completed a post-doctoral research fellowship in Translational Research at Beth Israel Deaconess Medical Center / Harvard Medical School and an NIH funded (T-32) post-doctoral research fellowship in computational electrophysiology at the Institute of Computational Medicine at the Johns Hopkins Whiting School of Engineering. He actively engages in clinical trials and research studies aimed at improving patient outcomes and advancing the understanding of cardiac arrhythmias. He is a member of the American College of Cardiology, American Heart Association, and Heart Rhythm Society. Dr. Aronis is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Atrial Fibrillation, Ventricular Tachycardia, Arrhythmias, Cardiac Ablation, and Pacemaker Implantation.

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 an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiomyopathy, Cardiac Ablation, and Heart Transplant.

Jelani Grant is a Cardiologist in Baltimore, Maryland. Dr. Grant is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Aortic Valve Stenosis, Heart Failure, Atherosclerosis, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

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 Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

Caridad De La Uz is a Pediatrics provider in Baltimore, Maryland. Dr. De La Uz is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. Her top areas of expertise are DiGeorge Syndrome, Double Inlet Left Ventricle, Wolff-Parkinson-White Syndrome, and Tetralogy of Fallot.

Edward Lakatta is a Cardiologist in Baltimore,, Maryland. Dr. Lakatta is rated as an Advanced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Hypertension, Sick Sinus Syndrome, Heart Failure with Preserved Ejection Fraction (HFpEF), and Metabolic Syndrome.

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 Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiac Tamponade, Cardiac Ablation, and Pacemaker Implantation.

Dr. Marlene Stephanie Williams is an Associate professor at the Johns Hopkins University School of Medicine. Her research focuses on coronary atherosclerosis and platelet function, and her particular focus is on platelet function as it relates to the acute coronary syndrome. Dr. Williams has examined platelet function and its correlation to platelet functional genomics and runs a platelet physiology laboratory on the Johns Hopkins Bayview campus. The goal for her cardiovascular platelet laboratory has been to identify the etiology of platelet dysfunction in many disease states and apply methods that may improve this dysfunction that may eventually be translated to therapies for patients with cardiovascular disease. She is a prior recipient of an NIH career mentored award (K23) examining platelet functional genomics and an NIH RO1 award addressing platelet serotonin signaling in depression and heart disease. Dr. Williams has several publications covering platelet functional changes in settings of interventional cardiology, acute coronary syndrome, and heart disease and depression. She has participated in several NHLBI advisory committees, review groups, and study sections. Dr. Williams has been the Course Director, of the advanced clinical clerkship in coronary intensive care at the Bayview Medical center and has mentored many medical residents and cardiology fellows. Dr. Williams received her undergraduate degree in biochemistry from McGill University. She earned a medical degree from the Columbia University College of Physicians & Surgeons and completed a residency at Johns Hopkins Hospital. After completing a residency, Dr. Williams was a cardiology fellow at Mount Sinai Hospital and Johns Hopkins Hospital. Dr. Williams is currently the Clinical Director of Cardiology at Johns Hopkins Bayview Medical Center. Dr. Williams is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. Her top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Pacemaker Implantation, and Hormone Replacement Therapy (HRT).

Olurotimi Mesubi, M.B.B.S., M.P.H., is a cardiologist, specializing in clinical cardiac electrophysiology. He practices primarily in Baltimore, Maryland. He is an assistant professor of medicine in the Division of Cardiology at the Baltimore-based Johns Hopkins University School of Medicine. As a clinical cardiac electrophysiologist, Dr. Mesubi specializes in the diagnosis and treatment of cardiac arrhythmias, which are heart rhythm disorders that cause the heart to beat irregularly. He has particular interest and expertise in inherited arrhythmia disorders and channelopathies, such as long QT syndrome, Brugada syndrome, CPVT, muscular dystrophies and arrhythmogenic cardiomyopathies. Dr. Mesubi performs pacemaker and defibrillator implantations and complex catheter ablations for cardiac arrhythmias. His basic research focus explores the molecular mechanisms linking diabetes mellitus to atrial fibrillation. Dr. Mesubi is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Ventricular Fibrillation, Arrhythmias, Atrial Fibrillation, Pacemaker Implantation, and Cardiac Ablation.

Muhammad Amer is a Cardiologist in Catonsville,, Maryland. Dr. Amer is rated as a Distinguished provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Sick Sinus Syndrome, Arrhythmias, Atrial Fibrillation, Pacemaker Implantation, and Cardiac Ablation.

Magdi Saba is a Cardiologist in Baltimore,, Maryland. Dr. Saba is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Ventricular Fibrillation, Paroxysmal Supraventricular Tachycardia (PSVT), and Cardiac Ablation.

James Weiss is a Cardiologist in Baltimore, Maryland. Dr. Weiss is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Ventricular Fibrillation, Low Potassium Level, Heart Attack, Arrhythmias, and Cardiac Ablation.

Roy Beinart is a Cardiologist in Baltimore, Maryland. Dr. Beinart is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Atrial Fibrillation, Ventricular Fibrillation, Ventricular Tachycardia, Pacemaker Implantation, and Cardiac Ablation.

George Bittar is a Cardiologist in Baltimore,, Maryland. Dr. Bittar is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Atherosclerosis, Coronary Heart Disease, Angina, and High Cholesterol.

Frederick Kuhn is a Cardiologist in Baltimore,, Maryland. Dr. Kuhn is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are Coronary Heart Disease, Arrhythmias, Catecholaminergic Polymorphic Ventricular Tachycardia, and Ventricular Tachycardia.

John Marra is a Cardiologist in Baltimore,, Maryland. Dr. Marra is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His top areas of expertise are End-Stage Renal Disease (ESRD), Hypertensive Heart Disease, Pediatric Myocarditis, and Necrosis.

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 Sick Sinus Syndrome. 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.