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 Elite provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiomyopathy, Cardiac Ablation, and Heart Transplant.

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 the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

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

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 the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiac Tamponade, Cardiac Ablation, and Pacemaker Implantation.

Dr. Andreas S. Barth is an Associate Professor in the Division of Cardiology at the Johns Hopkins School of Medicine and Director of the Center for Inherited Heart Diseases. His clinical work focuses on clinical cardiac electrophysiology with a specific focus on inherited arrhythmia syndromes and channelopathies, including long QT syndrome, Brugada syndrome, CPVT and arrhythmogenic cardiomyopathies. Additionally, Dr. Barth participates in a multidisciplinary clinic at Kennedy Krieger Institute providing Cardiology care to patients with muscular dystrophies and mitochondrial disease. Dr. Barth performs pacemaker and defibrillator implantation and complex catheter ablations for atrial and ventricular arrhythmias. His basic research lab explores the relationship between metabolic and arrhythmogenic ion channel remodeling in heart failure and myotonic dystrophy. Dr. Barth earned a combined doctor of medicine and doctor of philosophy from the Ludwig-Maximilians-University in Munich, Germany. He joined the Johns Hopkins faculty in 2016. He has been recognized with the First Prize for the Stanley L. Blumenthal Cardiology Research Award in Clinical Science in the Division of Cardiology at Johns Hopkins Hospital, and as a Young Investigator Award Finalist of the American Heart Association and Heart Rhythm Society. Dr. Barth is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Cardiomyopathy, Arrhythmias, Heart Attack, Cardiac Ablation, and Pacemaker Implantation.

Jonathan Chrispin, M.D., is an Associate Professor of Medicine in the Johns Hopkins Medicine Division of Cardiology, Electrophysiology and Arrhythmia, as well as an Associate Professor of Biomedical Engineering at Johns Hopkins University. Dr. Chrispin focuses on all aspects of clinical electrophysiology, including pacemaker/defibrillator implantation and complex catheter ablation for atrial and ventricular arrhythmias. Dr. Chrispin received his Bachelor of Arts degree from Harvard University. He received his Doctor of Medicine degree from Vanderbilt University. He completed intern and residency training in internal medicine at The Johns Hopkins Hospital, where he also completed a fellowship in cardiovascular disease and served as chief clinical cardiac electrophysiology fellow. He is a member of the American College of Cardiology, the American Heart Association, and the Heart Rhythm Society. Dr. Chrispin directs the Ventricular Arrhythmia Ablation and Research program, focusing on using advanced cardiac imaging to better understand the structural substrate associated with the development of ventricular arrhythmias and using artificial intelligence to improve the risk stratification of sudden cardiac death. Further, he is involved in developing clinical trials to improve the safety and efficacy of catheter ablation for the treatment of ventricular tachycardia. His work has led to Dr. Chrispin publishing in a number of international journals, including Circulation, the Journal of the American College of Cardiology, Heart Rhythm Journal, Nature Cardiovascular Research, Journal of the American Heart Association, and EP Europace. Dr. Chrispin is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Sarcoidosis, Cardiac Ablation, and Pacemaker Implantation.

Dr. Michael J. Blaha MD MPH is Professor of Cardiology and Epidemiology and presently serves as the Director of Clinical Research for the Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Director of the Cardiometabolic Clinic, and Program Director for the Preventive Cardiology Fellowship. His clinical interests include primary and secondary prevention of cardiovascular disease, with emphasis on early intervention in patients with advanced subclinical atherosclerosis detected with cardiac computed tomography. Dr. Blaha represents the 4th generation of physicians in his family. After earning a BS in pre-medical studies and classical civilization at the University of Notre Dame in 2001, Dr. Blaha went to Vanderbilt University where in 2006 he received his MD as well as an MPH. in clinical epidemiology and biostatistics. Dr. Blaha then completed his Internal Medicine residency in the Osler Medical Housestaff Training Program at Johns Hopkins in 2009 before completing a fellowship in Cardiology at Johns Hopkins in 2012. In 2018, Dr. Blaha received the Dr. Fred Brancati award at Johns Hopkins for excellence in mentoring. He has mentored over 30 trainees, many of which have gone on to hold prominent academic appointments. In 2021, Dr. Blaha was named to the Clarivate Highly Cited Researcher List, representing the top 1% of world’s researchers, and was first named to the Baltimore Magazine Best Doctors List. In 2022, he received the Arthur S. Agatston Cardiovascular Disease Prevention Award. Clinically, he practices as a preventive cardiologist specializing in cardiometabolic disease and in the interpretation of cardiac CT. His clinic specializes in patients with cardiometabolic disease and advanced subclinical atherosclerosis, and the focused use of an array of lifestyle and pharmacotherapies to mitigate that risk. Dr. Blaha is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atherosclerosis, Coronary Heart Disease, High Cholesterol, Metabolic Syndrome, and Percutaneous Coronary Intervention (PCI).

Vikas Kalra is a Cardiac Electrophysiologist and a Cardiologist in Towson, Maryland. Dr. Kalra is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. 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.

Nilofar Islam is a Cardiologist in Towson, Maryland. Dr. Islam is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. Her top areas of expertise are Atrial Fibrillation, Familial Progressive Cardiac Conduction Defect, Sick Sinus Syndrome, Pacemaker Implantation, and Cardiac Ablation.

Jeremy Pollock is a Cardiologist in Towson, Maryland. Dr. Pollock is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Atrial Fibrillation, Heart Attack, and Apoplexy.

Frank Morris is a Cardiologist in Lutherville Timonium, Maryland. Dr. Morris is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Atherosclerosis, Coronary Heart Disease, and High Cholesterol.

Jonathan Altschuler is a Cardiologist in Baltimore, Maryland. Dr. Altschuler is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Coronary Heart Disease, Atherosclerosis, and Angina.

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

Dr. Reed David Riley is an assistant professor of medicine at the Johns Hopkins University School of Medicine and chief of cardiology at the Greater Baltimore Medical Center. Dr. Riley received his undergraduate degree from Duke University. He earned a medical degree from The Johns Hopkins University School of Medicine and completed a residency at Johns Hopkins Hospital. Prior to joining Johns Hopkins in 2007, Dr. Riley was a cardiology fellow at Duke University and staff cardiologist at Sinai Hospital of Baltimore. He is currently also a teaching attending on the Osler Medical Service’s Barker Firm at the Johns Hopkins Hospital. Dr. Riley is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Heart Attack, Atrial Fibrillation, Apoplexy, and Angina.

Dr. Shilpi Ahmed’s areas of clinical expertise include cardiology and internal medicine. She earned her M.B.B.S. from Mymensingh Medical College. She completed a residency in cardiology at Nagasaki University and a residency in internal medicine at Medical College of Georgia – Augusta University. She performed a fellowship in cardiovascular disease at Medical College of Georgia – Augusta University. Dr. Ahmed is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. Her top areas of expertise are Sitosterolemia, Atrial Fibrillation, Atherosclerosis, and Coronary Heart Disease.

Dr. Erin D. Michos is a Professor of Medicine within the Division of Cardiology at Johns Hopkins School of Medicine, with joint appointment in the Department of Epidemiology at the Johns Hopkins Bloomberg School of Public Health. She is the Director of Women's Cardiovascular Health and the Associate Director of Preventive Cardiology within the Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease. Dr. Michos is an internationally known expert in Preventive Cardiology and Women’s Health, having authored >700 publications and 11 book chapters. Her research involves (1) Women’s Cardiovascular Health; (2) Lipids and Lipid management; (3) Cardio-Kidney-Metabolic and Obesity disease management (4) Coronary artery calcium, inflammation and biomarkers of cardiovascular risk. She is the co-Editor-in-Chief for the American Journal of Preventive Cardiology. She is Co-Director of the IMPACT Center (Improving Participation Among Diverse Populations in Cardiovascular Clinical Trials) at Johns Hopkins, funded by the American Heart Association (AHA). She is a co-investigator in several NIH-funded studies including the Multi-Ethnic Study of Atherosclerosis and Atherosclerosis Risk in Communities cohorts. She has served as the Training Director for four AHA Strategic Focused Research Networks. She has mentored over 60 individuals and the recipient of 2 mentoring awards. Additionally, she was the recipient of the Nanette Wegner Award for Women’s Health Medical Leadership by the Women Heart Organization and the Donna Vogel Women’s Health Champion Award by Johns Hopkins University. Dr. Michos completed medical school at Northwestern University, Internal Medicine residency and Cardiology fellowship at the Johns Hopkins Hospital, and a Masters of Health Science degree at the Johns Hopkins Bloomberg School of Public Health. Dr. Michos is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. Her top areas of expertise are Atherosclerosis, Vitamin D Deficiency, Peripartum Cardiomyopathy, Percutaneous Coronary Intervention (PCI), and Thrombectomy.

Dr. Wendy Post is professor of medicine at the Johns Hopkins University School of Medicine and holds a joint appointment as professor of epidemiology at the Johns Hopkins Bloomberg School of Public Health. She is the Lou and Nancy Grasmick Professor of Cardiology. Dr. Post is a cardiologist at the Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease and the Echocardiography Laboratory and is associate faculty at the Welch Center for Prevention, Epidemiology, and Clinical Research at Johns Hopkins University. She is Director of Cardiovascular Research for the Division of Cardiology and Director of Research for the Hopkins Cardiovascular Fellowship Training Program. Dr. Post received her undergraduate degree in biology from Harvard University. She earned her medical degree from Columbia College of Surgeons and Physicians, Columbia University. After completing her internship and residency at Harvard Medical School’s Beth Israel Hospital, Dr. Post received her master’s degree in epidemiology from the Harvard School of Public Health. She was a research fellow at the Framingham Heart Study, in Framingham, Mass., and completed a fellowship in cardiology at The Johns Hopkins Hospital. Dr. Post joined the Johns Hopkins faculty in 1997. Dr. Post’s research interests include prediction and prevention of coronary heart disease and sudden cardiac death, noninvasive imaging of subclinical atherosclerosis, genetics of cardiovascular disease, sex and racial/ethnic differences in cardiovascular disease, and cardiovascular disease in HIV/AIDS and COVID-19. She is the chair of the steering committee, and the principal investigator for the Hopkins field center for the NIH-funded Multi-Ethnic Study of Atherosclerosis (MESA). Dr. Post also leads Multicenter AIDS Cohort Study (MACS) Cardiovascular Disease sub-studies. She has been the PI for three R01 grants from NHLBI investigating cardiovascular disease in HIV, and is dual PI on the cardiology NHLBI training grant, which has been continuously funded for over 45 years. Dr. Post is a manuscript reviewer for multiple publications and is currently associate editor of Circulation. She has over 350 peer-reviewed research publications. Dr. Post was elected as a member of the American Society for Clinical Investigation (ASCI) in 2015. She mentors multiple medical students, medical house staff, fellows and junior faculty. She was a member of the Hopkins Professorial Promotions Committee and a former Johns Hopkins University Provost Fellow. She was co-chair of the Johns Hopkins University Committee on the Biomedical Scientific Workforce. Dr. Post is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. Her top areas of expertise are Atherosclerosis, Coronary Heart Disease, Carotid Artery Disease, Hormone Replacement Therapy (HRT), and Aortic Valve Replacement.

Roger Blumenthal is the Kenneth Jay Pollin Professor of Cardiology, professor of medicine and director of the Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease in Baltimore, Maryland. His principal clinical and research interests involve: 1) strategies to improve cardiovascular risk assessment to identify those adults at elevated risk and those at very low risk of cardiovascular disease and 2) the optimal management of atherosclerotic vascular disease. He is an expert in the pathogenesis, treatment and prevention of atherosclerotic vascular disease. Dr. Blumenthal was the principal developer of the Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease. He is on the official national spokesperson panel for the American Heart Association and has co-written more than 600 articles dealing with many aspects of coronary heart disease and atherosclerosis management. An experienced writer, Dr. Blumenthal is on the editorial board of Circulation, Cardiology Today, and The American College of Cardiology and Extended Learning Center. He is a fellow of the American College of Cardiology and the American Heart Association’s Epidemiology and Prevention Council. He was co-editor-in-chief of the textbook Preventive Cardiology – A Companion to Braunwald’s Heart Disease. He received his medical degree from Cornell Medical College, where he was awarded the Weiss Prize for Excellence in Clinical Medicine. He did his internal medicine and cardiology fellowship training at The Johns Hopkins Hospital before joining the Johns Hopkins cardiology faculty. Dr. Blumenthal was the 2019 recipient of the Landon School Anthony Kupka Distinguished Alumnus Award. He was co-chairperson of the 2019 American College of Cardiology/American Heart Guideline on prevention of cardiovascular disease. Dr. Blumenthal is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atherosclerosis, Coronary Heart Disease, Metabolic Syndrome, Percutaneous Coronary Intervention (PCI), and Heart Bypass Surgery.

Dr. Jennifer Tanio is a cardiologist at the Johns Hopkins Health Care and Surgery Center at Green Spring Station. Dr. Tanio received her B.A. from Johns Hopkins University and her M.D. from the University of Pennsylvania School of Medicine. She completed her residency at the University of Pennsylvania and pursued cardiology fellowships at the University of Pennsylvania and the Johns Hopkins University School of Medicine. Dr. Tanio worked in private practice before joining the Johns Hopkins cardiology faculty. Dr. Tanio’s clinical expertise includes preventive cardiology and heart disease. Dr. Tanio is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. Her top areas of expertise are Mitral Valve Prolapse, Heart Attack, Atherosclerosis, and Coronary Heart Disease.

Dr. Katherine Wu is a general cardiologist for the Heart and Vascular Institute at Johns Hopkins Medicine with an interest in caring for patients with cardiomyopathies, coronary artery disease, and valvular heart disease as well as those interested in cardiovascular prevention. She has additional expertise in non-invasive cardiology imaging techniques. Dr. Wu received her medical degree from the University of Pennsylvania Health System School of Medicine, and completed her residency and a cardiology fellowship at the Johns Hopkins University School of Medicine. She joined the School of Medicine faculty in 2000. Dr. Wu's research interests include improving individualized risk prediction for sudden cardiac death and heart failure by developing and validating methods that incorporate novel cardiac imaging indices. Her lab is funded by the NIH/NHLBI. Dr. Wu has more than 70 peer-reviewed publications and serves on the editorial board of the Journal of Cardiovascular Magnetic Resonance and Circulation Cardiovascular Imaging and is a standing member of the NIH Clinical and Integrative Cardiovascular Sciences Study Section. Dr. Wu is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. Her top areas of expertise are Cardiomyopathy, Atrial Fibrillation, Heart Attack, and Pulmonary Hypertension.