Dr. Joseph A. Vassallo is a cardiologist affiliated with Sibley Memorial Hospital and Suburban Hospital. He practices out of Cardiology and Internal Medicine, located in Chevy Chase, Maryland. Dr. Vassallo has expertise in cardiovascular disease, arrhythmia evaluation and internal medicine. Dr. Vassallo earned his medical degree from State University of New York at Buffalo School of Medicine. He completed a residency in internal medicine at New England Medical Center. Dr. Vassallo is a fellow of the American College of Cardiology. Dr. Vassallo is rated as a Distinguished provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Heart Murmurs, Hypertension, Glucocorticoid-Remediable Aldosteronism, and High Cholesterol.

Rajeev Patel is a Cardiologist in Rockville,, Maryland. Dr. Patel is rated as a Distinguished provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Heart Attack, Apoplexy, Inappropriate Sinus Tachycardia (IST), and Familial Ventricular Tachycardia.

Dr. Jose Madrazo is a general cardiologist in the Johns Hopkins Division of Medicine, and an assistant professor of medicine at the Johns Hopkins School of Medicine. He received his medical degree from the University of Puerto Rico School of Medicine and completed his residency at the Baylor College of Medicine in Houston, TX. Dr. Madrazo pursued a cardiovascular fellowship with a focus on echocardiography at the Washington University School of Medicine before joining the Hopkins faculty. Dr. Madrazo is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Hypertrophic Cardiomyopathy (HCM), Cardiomyopathy, Familial Hypertrophic Cardiomyopathy, and Heart Attack.

Dr. Thomas Stephen Metkus is an assistant professor of cardiology at the Johns Hopkins University School of Medicine. His research focuses on using cardiac physiology for risk stratification and therapeutics in non-cardiac critical illness such as sepsis and the acute respiratory distress syndrome (ARDS), and optimizing the management of non-cardiac organ failure in primary cardiac diseases such as heart failure and acute coronary syndromes. Dr. Metkus received his undergraduate degree from Boston University College of Engineering. He earned a medical degree from the University of Pennsylvania School of Medicine and completed a residency at Brigham and Women’s Hospital. After completing residency, Dr. Metkus was a clinical fellow at both Harvard Medical School and Johns Hopkins Hospital. Prior to joining the faculty at the Johns Hopkins Medical School he was an instructor of medicine at the Harvard Medical School. His educational focus includes teaching clinical cardiology and critical care, echocardiography, and electrocardiography to students, residents, and fellows at the Johns Hopkins Hospital. Videos Dr. Thomas Metkus. Dr. Metkus is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, and Inappropriate Sinus Tachycardia (IST).

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 an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Atherosclerosis, Coronary Heart Disease, High Cholesterol, Metabolic Syndrome, and Percutaneous Coronary Intervention (PCI).

Dr. Jeffrey C. Trost is an associate professor of medicine at the Johns Hopkins School of Medicine as well as director of the Cardiac Catheterization Laboratory at Johns Hopkins Bayview Medical Center. His research there focuses on cardiac disease and cardiovascular medicine. He is also currently deputy director of clinical activities at Johns Hopkins Bayview Medical Center. Dr. Trost earned his undergraduate degree at Princeton University and medical degree at the University of Pennsylvania School of Medicine. He completed a residency at the University of Texas Southwestern School of Medicine where he was chief resident from 1999-2000. He was an assistant professor of internal medicine at the University of Texas Southwestern School of Medicine and an interventional cardiovascular fellow at Brown University before joining the Johns Hopkins faculty in 2005. Dr. Trost was most recently recognized with the 2016 Hopkins Medicine Clinical Recognition Award for Quality and Safety and the 2016 Hopkins Cardiology Fellows’ Teaching Award. Dr. Trost is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Coronary Artery Bypass Graft (CABG), and Heart Bypass Surgery.

Dr. Michael Kelemen is a general cardiologist for the Johns Hopkins Heart and Vascular Institute in the Department of Medicine. His research in cardiac rehabilitation demonstrated the power of exercise as a treatment for hypertension, high cholesterol, and recovery from cardiac events. Dr. Kelemen is an associate professor of medicine in the Johns Hopkins School of Medicine. Dr. Kelemen received his medical degree from the University of Pennsylvania Health System School of Medicine. He completed his residency in medicine at University Hospitals of Cleveland, and pursued cardiology fellowships at the University of California, San Francisco School of Medicine and at the Wyman Park Health System in Baltimore. Dr. Kelemen is active in community health issues, having served on the boards of the Health Alliance and The Horizon Foundation, which provide medical and mental health services to underserved populations. As the founding medical director of the Prescribed Active Cardiac Exercises (PACE) program at Catonsville Community College in 1976, he performed the research that demonstrated the benefits of exercise for cardiac patients. Dr. Kelemen is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Heart Attack, Apoplexy, Postural Orthostatic Tachycardia Syndrome (POTS), and Short QT Syndrome.

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 Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). Her top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Pacemaker Implantation, and Hip Replacement.

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 Postural Orthostatic Tachycardia Syndrome (POTS). Her top areas of expertise are Mitral Valve Prolapse, Heart Attack, Atherosclerosis, and Coronary Heart Disease.

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 an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Cardiomyopathy, Arrhythmias, Heart Attack, Cardiac Ablation, and Pacemaker Implantation.

Jon R. Resar received his M.D. from the Medical College of Wisconsin in 1985. He completed an internal medicine residency at The Johns Hopkins Hospital and fellowships in cardiovascular medicine and interventional cardiology at The Johns Hopkins Hospital and Johns Hopkins University School of Medicine. He joined the faculty at Johns Hopkins in 1992 and is currently a Professor of Medicine/Cardiology. He was the past Director of the Adult Catheterization Laboratory and Interventional Cardiology at the Johns Hopkins Hospital. His field of specialization is management of coronary artery disease and valvular heart disease. Dr. Resar holds memberships in the American Heart Association and is a Fellow of the American College of Cardiology. Dr. Resar is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Aortic Valve Stenosis, Heart Attack, Atrial Septal Defect (ASD), Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

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 rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Apoplexy, Heart Attack, Arterial Embolism, Inappropriate Sinus Tachycardia (IST), 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 Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Heart Attack, Arrhythmias, Apoplexy, Cardiac Ablation, and Pacemaker Implantation.

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 rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). Her top areas of expertise are Pulmonary Hypertension, Heart Attack, Systemic Sclerosis (SSc), Tissue Biopsy, and Pacemaker Implantation.

Dr. Ari Cedars is a cardiologist in Baltimore, Maryland. He also serves as director of the Adult Congenital Heart Disease Center at both the Johns Hopkins Heart and Vascular Institute and the Blalock-Taussig-Thomas Pediatric and Congenital Heart Center. Dr. Cedars is an associate professor of medicine and pediatrics at the Johns Hopkins University School of Medicine. Dr. Cedars specializes in adult congenital heart disease. He is a member of the leadership committee for the Advanced Cardiac Therapies Improving Outcomes Network (ACTION), an organization focused on the improvement of outcomes for pediatric ventricular assist device (VAD) patients. He is an administrative board member of the Alliance for Adult Research in Congenital Cardiology (AARCC), a multi-institutional academic research network devoted to producing new research in adult congenital heart disease. He is also a member of the medical advisory board for the Adult Congenital Heart Association (ACHA). Dr. Cedars’ research focuses on patient-centered outcomes, mechanical circulatory support and ventricular assist devices, and the biological mechanisms underlying clinical disease progression in congenital heart disease. Dr. Cedars is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Congenital Heart Disease (CHD), Tetralogy of Fallot, Heart Attack, Apoplexy, and Heart Transplant.

Christian Bounds is a Cardiologist in Salisbury,, Maryland. Dr. Bounds is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Atrial Fibrillation, Coronary Heart Disease, Angina, Pacemaker Implantation, and Heart Bypass Surgery.

Mohit Rastogi is a Cardiologist in Lanham, Maryland. Dr. Rastogi is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Atrial Fibrillation, Cardiomyopathy, Brugada Syndrome, Pacemaker Implantation, and Cardiac Ablation.

Aroor Rao is a Cardiologist in Lanham,, Maryland. Dr. Rao is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Short QT Syndrome, Brugada Syndrome, Postural Orthostatic Tachycardia Syndrome (POTS), and Mitral Valve Regurgitation.

Alexander Asser is a Cardiac Electrophysiologist in Germantown, Maryland. Dr. Asser is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Arrhythmias, Familial Ventricular Tachycardia, Multifocal Atrial Tachycardia, Pacemaker Implantation, and Cardiac Ablation.

Evan Selsky is a Cardiologist in Westminster, Maryland. Dr. Selsky is rated as an Advanced provider by MediFind in the treatment of Postural Orthostatic Tachycardia Syndrome (POTS). His top areas of expertise are Coronary Heart Disease, Inappropriate Sinus Tachycardia (IST), Atherosclerosis, and Familial Ventricular Tachycardia.