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 highly rated in 13 conditions, according to our data. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiac Tamponade, Cardiac Ablation, and Pacemaker Implantation.

Daniel Judge is a Cardiologist in Baltimore, Maryland. Dr. Judge is highly rated in 24 conditions, according to our data. His top areas of expertise are Cardiomyopathy, Transthyretin Amyloid Cardiomyopathy, Cardiac Amyloidosis, Heart Transplant, and Cardiac Ablation.

Dr. Joao Lima is a professor of medicine, radiology and epidemiology at the Johns Hopkins School of Medicine. His pioneering work in cardiac imaging using advanced MRI, CT and echocardiography has led to noninvasive techniques for predicting cardiovascular disease and calculating its extent, as well as measuring the effectiveness of modern cardiac treatments. He holds numerous patents on devices and methods for cardiac imaging and image-guided therapies. Dr. Lima graduated medical school at the University of Bahia, Brazil. He completed his cardiology fellowship at Johns Hopkins and spent two years on the faculty of the University of Pennsylvania before returning to Hopkins as a faculty member in 1992. A long-time investigator with the Multi-Ethnic Study of Atherosclerosis (MESA), Dr. Lima is credited with more than 175 articles out of that study and nearly 575 publications over his career. He is associate editor of Journal of the American College of Cardiology and serves on the editorial board of the Italian Journal of Cardiology while reviewing for other journals including the New England Journal of Medicine, Circulation and Annals of Internal Medicine. Dr. Lima has been invited to present his research throughout the Americas, Europe and Asia. Dr. Lima is highly rated in 10 conditions, according to our data. His top areas of expertise are Atherosclerosis, Heart Attack, Apoplexy, Heart Failure, and Bone Marrow Aspiration.

Bradley Maron is a Cardiologist in Baltimore, Maryland. Dr. Maron is highly rated in 9 conditions, according to our data. His top areas of expertise are Pulmonary Hypertension, Hypertension, Heart Failure, Hypertrophic Cardiomyopathy (HCM), and Heart Transplant. Dr. Maron is currently accepting new patients.

Nisha Chandra-Strobos is a Cardiologist in Baltimore, Maryland. Dr. Chandra-Strobos is highly rated in 6 conditions, according to our data. Her top areas of expertise are Cardiac Arrest, Apoplexy, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Attack, and Pacemaker Implantation. Dr. Chandra-Strobos is currently accepting new patients.

Pamela Ouyang is a Cardiologist in Baltimore, Maryland. Dr. Ouyang is highly rated in 4 conditions, according to our data. Her top areas of expertise are Atherosclerosis, Menopause, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Attack, and Hormone Replacement Therapy (HRT).

Hassan Kassamali is a Cardiologist in Rosedale, Maryland. Dr. Kassamali is highly rated in 35 conditions, according to our data. His top areas of expertise are Hypertensive Heart Disease, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), His Bundle Tachycardia, Atrial Tachycardia, and Pacemaker Implantation. Dr. Kassamali is currently accepting new patients.

Dr. Monica Mukherjee is an adult cardiologist and an Associate Professor of Medicine at the Johns Hopkins University Division of Cardiology and specializes in advanced cardiac imaging. She serves as Medical Director of the Echocardiography Lab at Johns Hopkins Bayview Medical Center, and as Associate Director of the Johns Hopkins Echocardiography program across the institution. Dr. Mukherjee graduated Summa Cum Laude with dual Bachelors of Science in Psychology and Behavioral Neurosciences from the University of Florida. She received her Doctorate in Medicine from the George Washington University in Washington, DC, and internal medicine residency at Drexel University, before returning to George Washington to complete her fellowship in cardiovascular disease. She has a MPH from the Johns Hopkins Bloomberg School of Public Health with a special concentration in Epidemiological and Biostatistical Methods for Public Health and Clinical Research. Dr. Mukherjee has an accomplished academic career with multiple research awards focused on right ventricular remodeling in heart failure, pulmonary hypertension, and scleroderma. She was the recipient of the 2020 Johns Hopkins University Clinician Scientist Award and also has been funded by the National Institutes of Health, the Scleroderma Foundation, and the CHEST Foundation. She was awarded the Top 25 Young Investigators Award from the American Society of Echocardiography in 2016. Dr. Mukherjee is highly rated in 21 conditions, according to our data. Her top areas of expertise are Pulmonary Hypertension, Heart Attack, Systemic Sclerosis (SSc), Tissue Biopsy, and Pacemaker Implantation.

Mansoor Mozayan is a Cardiologist and a Nuclear Medicine provider in Baltimore, Maryland. Dr. Mozayan is highly rated in 17 conditions, according to our data. His top areas of expertise are Coronary Heart Disease, Heart Attack, Angina, and Atrial Fibrillation. Dr. Mozayan is currently accepting new patients.

Dr. Nisha A. Gilotra is a cardiologist in the Johns Hopkins Medicine Division of Cardiology with expertise in advanced heart failure, including the care of heart transplant and ventricular assist device patients. Dr. Gilotra specializes in inflammatory cardiomyopathies, including sarcoidosis, myocarditis and inherited causes of cardiomyopathy. Dr. Gilotra received her medical degree from Jefferson Medical College in Philadelphia, PA. She completed her medical residency, general cardiology fellowship and advanced heart failure fellowship at Johns Hopkins University School of Medicine. Between fellowships, she served as an Assistant Chief of Service for the Department of Medicine. Dr. Gilotra is highly rated in 15 conditions, according to our data. Her top areas of expertise are Sarcoidosis, Myocarditis, Cardiomyopathy, Heart Transplant, and Endoscopy.

Dr. Sammy Zakaria is an Associate Professor of Medicine at the Johns Hopkins University School of Medicine (JHUSOM). Because he specializes in critical care cardiology, he predominately works in the Cardiac Intensive Care Unit (CICU) at the Johns Hopkins Bayview Medical Center (JHBMC) as well as the Cardiac Care Unit at Johns Hopkins Hospital (JHH). He also serves as the Director of the JHBMC CICU. His practice encompasses most of cardiology, with many of his patients having had life-threatening cardiac issues, such as shock, end-stage heart failure, or multi-organ system failure. He also has an interest in caring for pregnant women with cardiovascular disease, including those with severe preeclampsia, and his clinical research efforts focus on the effects of preeclampsia on the cardiovascular system. Additionally, his other research areas of interest include critical care issues affecting cardiac patients and studying innovations in medical education. Dr. Zakaria is heavily involved in medical education and serves as an educator for students, residents, fellows, and staff. He served as a JHUSOM Colleges Advisor for 10 years and was responsible for teaching and mentoring a cohort of medical students during their time in medical school. In his role as Interim Program Director for the JHBMC Internal Medicine Residency Program, he has helped to increase the JHBMC Internal Medicine residency program’s nationally-recognized reputation for excellence by championing curricular innovations, resident scholarly work, and resident academic careers. He also is a Core Faculty member for the JHH Osler Internal Medicine residency program and for the Johns Hopkins Cardiovascular Disease fellowship. As a result of his efforts in education, he has been honored with multiple teaching awards, including the Outstanding Achievement in Teaching Award from the Johns Hopkins Institute for Excellence in Education. Dr. Zakaria earned his undergraduate degree from the Pennsylvania State University, his medical degree from Jefferson Medical College, and his master of public health degree from the University of Maryland. He trained at Thomas Jefferson University Hospital in Internal Medicine and also practiced there as a faculty attending for one year. He then completed a fellowship in cardiovascular disease at the University of Maryland and subsequently a Critical Care Medicine fellowship at the University of California San Francisco. He joined the Johns Hopkins faculty in 2008. Dr. Zakaria is highly rated in 14 conditions, according to our data. His top areas of expertise are Apoplexy, Heart Attack, Arterial Embolism, Inappropriate Sinus Tachycardia (IST), and Pacemaker Implantation.

Gautam Ramani is an Advanced Heart Failure and Transplant Cardiologist and a Cardiologist in Baltimore, Maryland. Dr. Ramani is highly rated in 13 conditions, according to our data. His top areas of expertise are Pulmonary Hypertension, Pulmonary Veno-Occlusive Disease, Cardiomyopathy, Embolectomy, and Aortic Valve Replacement. Dr. Ramani is currently accepting new patients.

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 highly rated in 12 conditions, according to our data. Her top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Pacemaker Implantation, and Hormone Replacement Therapy (HRT).

Dr. Chiadi Ndumele is the Director of Obesity and Cardiometabolic Research, Director of the Heart Failure Prevention Program and Associate Professor of Medicine and Epidemiology in the Division of Cardiology at Johns Hopkins University. Dr. Ndumele is a preventive cardiologist with doctorate level training in epidemiology, who leads a research program related to characterizing the relationship of obesity and cardiometabolic risk factors with the development of cardiovascular disease, with a particular focus on heart failure risk, and to refining strategies for cardiovascular disease prevention. His work additionally addresses the impact of social determinants of health on cardiometabolic risk factors and downstream cardiovascular outcomes. Dr. Ndumele received his M.D. from Harvard University and his Internal Medicine training at Brigham and Women’s Hospital, where he also served as Chief Medical Resident. He subsequently trained in Cardiology at Johns Hopkins University, where he was also Chief Cardiology Fellow in his final year and where he also received his MHS and PhD in Epidemiology. Dr. Ndumele’s research has been supported by multiple grants from the NIH, Robert Wood Johnson Foundation and the American Heart Association (AHA). He is Chair of the Council on Lifestyle and Cardiometabolic Health of the AHA, Past Chair of the AHA Obesity Committee, and Co-Chair of the AHA Cardiovascular-Kidney-Metabolic Health Initiative. Dr. Ndumele is highly rated in 11 conditions, according to our data. His top areas of expertise are Atherosclerosis, Heart Failure, Heart Failure with Preserved Ejection Fraction (HFpEF), and Metabolic Syndrome.

Dr. Jeffrey Brinker directs the cardiac pacemaker service and is an expert in interventional cardiology including pacemakers and implantable cardio defibrillators (ICDs), angioplasty, heart catheterization and lead extraction. Dr. Brinker received his undergraduate degree from Hofstra University and his medical degree AOA summa cum laude from the State University of New York’s Downstate Medical Center. He interned at Johns Hopkins Hospital and entered the residency program at Kings County Hospital, interrupting his residency for military service. After completing his residency at Kings County, he pursued a fellowship in cardiology at the University of Louisville, Kentucky and in cardiovascular disease at the Johns Hopkins Hospital. Dr. Brinker joined the Johns Hopkins faculty in 1978. He directed the Catheterization Laboratory until 1990 and the Interventional Cardiology program until 1999. Dr. Brinker has published over 250 journal articles and book chapters on topics of interventional cardiology. His research interests include cardiovascular imaging, cardiac pacemakers and lead extraction. He has served on the editorial boards of several medical journals and is the recipient of numerous awards and honors, including seven military awards and Alpha Omega Alpha Honor Society. Dr. Brinker is a Fellow of the American College of Cardiology and serves on national health care committees and task forces. Dr. Brinker is highly rated in 9 conditions, according to our data. His top areas of expertise are Familial Dysautonomia, Atrial Fibrillation, Heart Attack, Thrombectomy, and Cardiac Ablation.

Joban Vaishnav is a cardiologist specializing in heart failure in Baltimore, Maryland. Additionally, she is an assistant professor at the Baltimore-based Johns Hopkins University School of Medicine. She has special interest in amyloidosis. Dr. Vaishnav earned her medical degree from St. Louis University School of Medicine. She completed a residency in internal medicine at The Johns Hopkins Hospital, where she also completed fellowships in cardiology and advanced heart failure and transplant cardiology. Dr. Vaishnav is highly rated in 9 conditions, according to our data. Her top areas of expertise are Cardiac Amyloidosis, Heart Failure, Primary Localized Cutaneous Amyloidosis, Heart Transplant, and Tissue Biopsy.

Lena Mathews specializes in general cardiology and echocardiography. She received her medical degree from University of Pennsylvania School of Medicine and completed an internal medicine residency at Brigham and Women’s Hospital. She completed fellowships in cardiology and echocardiography at the Johns Hopkins University School of Medicine. Dr. Mathews is highly rated in 8 conditions, according to our data. Her top areas of expertise are Apoplexy, Heart Attack, Heart Failure with Preserved Ejection Fraction (HFpEF), and Atherosclerosis.

Dr. Harry A. Silber is an associate professor of medicine at the Johns Hopkins University School of Medicine. His clinical work specializes in cardiac disease and his research focuses on vascular function by MRI and non-invasive assessment of cardiac filling pressure. Dr. Silber received a doctorate in biomedical engineering as well as a medical degree from Tulane University. He completed a residency at the Hospital of the University of Pennsylvania before being selected for a fellowship in cardiology at Johns Hopkins Hospital. He joined the Johns Hopkins faculty in 2000. Dr. Silber has published extensively and holds several patents for his research for cardiovascular disease. Dr. Silber is highly rated in 7 conditions, according to our data. His top areas of expertise are Apoplexy, Heart Attack, Heart Failure, and Arterial Embolism.

Dr. Zadeh is Professor of Medicine at the Johns Hopkins University School of Medicine and Director of Cardiac Computed Tomography in the Division of Cardiology at the Johns Hopkins Hospital in Baltimore, MD. After attending medical school in Germany and completing internships in medicine and surgery in Germany and Britain, he spent several years in cardiovascular research at the University of California at San Diego to study coronary artery disease using intravascular ultrasound. He then completed his postgraduate training in Philadelphia and Dallas to join the cardiology faculty at Johns Hopkins Hospital after a CT imaging fellowship in 2005. Dr. Zadeh directs the CT coronary angiography core laboratory for the CorE-320 multicenter trial and is member of its steering committee. He is also co-director of the SCCT Board Review Course and editor of the SCCT Board Review Preparation Book. Dr. Zadeh's particular clinical and investigational focus is the pursuit of strategies to better identify patients at risk for future cardiac events using cardiac imaging. He reviews manuscripts for numerous scientific journals, including JACC, JACCimaging, JCCT, AJR, Heart, AJC, and is an author of articles in Circulation, New England Journal of Medicine, JACC, AHJ, and others. Dr. Arbab is highly rated in 6 conditions, according to our data. His top areas of expertise are Coronary Heart Disease, Heart Attack, Apoplexy, Heart Bypass Surgery, and Percutaneous Coronary Intervention (PCI).

Roy Ziegelstein is a Cardiologist in Baltimore, Maryland. Dr. Ziegelstein is highly rated in 5 conditions, according to our data. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Cardiomyopathy, and Angina. Dr. Ziegelstein is currently accepting new patients.

Edward Lakatta is a Cardiologist in Baltimore, Maryland. Dr. Lakatta is highly rated in 2 conditions, according to our data. His top areas of expertise are Hypertension, Sick Sinus Syndrome, Heart Failure with Preserved Ejection Fraction (HFpEF), and Metabolic Syndrome.

Ilan Wittstein is an Advanced Heart Failure and Transplant Cardiologist and a Cardiologist in Baltimore, Maryland. Dr. Wittstein is highly rated in 14 conditions, according to our data. His top areas of expertise are Cardiomyopathy, Arrhythmias, Familial Ventricular Tachycardia, Cardiac Ablation, and Heart Transplant. Dr. Wittstein is currently accepting new patients.

Edward K. Kasper, M.D. is a graduate of the Johns Hopkins University with a B.A. in Natural Sciences. He earned his M.D. at the University of Connecticut School of Medicine in 1984. His internship and residency in Internal Medicine, as well as his fellowship in Cardiovascular Medicine, were completed at the Johns Hopkins Hospital, where he then joined the faculty in 1993. He is a fellow of the American Heart Association as well as a fellow of the American College of Cardiology, having served on its board of governors from 2002 to 2006. Dr. Kasper has authored more than 100 articles and three books including, Living Well with Heart Failure. He is currently the Director of Outpatient Cardiology. Dr. Kasper's current research interests focus on the biological origins of heart failure. Specifically, his research has focused on causes and prognosis of patients with cardiomyopathy, a serious condition in which the heart has difficulty pumping blood throughout the body. Dr. Kasper works closely with his team at the Johns Hopkins Heart and Vascular Institute to understand the best ways to predict and prevent catastrophic cardiac events. With your support, Dr. Kasper will be able to continue his significant work in cardiovascular medicine in hopes of impacting the future of patients with cardiomyopathy and heart failure. Dr. Kasper is highly rated in 12 conditions, according to our data. His top areas of expertise are Cardiomyopathy, Familial Hypertrophic Cardiomyopathy, Sengers Syndrome, Hypertrophic Cardiomyopathy (HCM), and Heart Transplant.

Stephen Gottlieb is a Cardiologist and an Advanced Heart Failure and Transplant Cardiologist in Baltimore, Maryland. Dr. Gottlieb is highly rated in 8 conditions, according to our data. His top areas of expertise are Heart Failure, Cardiomyopathy, Apoplexy, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Gottlieb is currently accepting new patients.

John Gottdiener is a Cardiologist in Baltimore, Maryland. Dr. Gottdiener is highly rated in 4 conditions, according to our data. His top areas of expertise are Heart Failure, Heart Failure with Preserved Ejection Fraction (HFpEF), Atrial Fibrillation, and Ectopic Heartbeat.