"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 a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Heart Attack, 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 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.

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

Robert Mccarthy is a Cardiologist in Columbia, Maryland. Dr. Mccarthy is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Heart Murmurs, Atrial Fibrillation, Ectopic Heartbeat, and Hypertensive Heart Disease.

Dr. Keith Friedman joined the practice in 2003 following the completion of his Cardiology fellowship at the University of Maryland Medical Center. Dr. Friedman is also trained in nuclear cardiology and echocardiography. Born and raised in Baltimore, Dr. Friedman and his wife, who reside in Pikesville, have two sons and a daughter. A member of the Active physician admitting staff at Johns Hopkins Howard County Medical Center, he currently serves as Section Chief of Cardiology and as Medical Director of the Cardiac Telemetry Unit. Dr. Friedman is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Arrhythmias, Atrial Fibrillation, High Cholesterol, and Cardiomyopathy.

Dr. Eric Schwartz joined Cardiovascular Specialists in July 2012. In addition to training in nuclear cardiology, echocardiography, and vascular ultrasound, Dr. Schwartz is trained in the implantation of pacemakers and defibrillators. A Howard County native, Dr. Schwartz and his wife have two sons. In his spare time, he is an avid Peloton cyclist and enjoys strength training. A member of the Active physician admitting staff at Johns Hopkins Howard County Medical Center, he currently serves as the Chairman, Department of Medicine, Chair of the Medical Staff Credentials Committee, Co-Chair of the Johns Hopkins Howard County Medical Center STEMI Committee, and Medical Director of the Interventional Radiology Cardiovascular Lab. Dr. Shwartz is a member of the Electrophysiology Clinical Community of the JHHS. He is a past recipient of the HCGH Physician of the Year award, and two-time winner of the Johns Hopkins Innovations in Clinical Care Excellence Award. Videos Implantable Heart Monitor - Loop Recorder (Q&A) Implantable Devices for People with Heart Conditions (Q&A) 2018 Physician of the Year. Dr. Schwartz is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Arrhythmias, Familial Ventricular Tachycardia, Catecholaminergic Polymorphic Ventricular Tachycardia, Ventricular Tachycardia, and Pacemaker Implantation.

Dr. Daniel Kim joined Cardiovascular Specialists in 2018 following completion of his cardiology fellowship at the University of Maryland. As a non-invasive cardiologist, he is trained in echocardiography, transesophageal echocardiography, nuclear medicine, and vascular ultrasound. He and his wife, who is a pediatric pulmonologist specializing in sleep, have two children and reside in Howard County. Dr. Kim is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Familial Ventricular Tachycardia, Atherosclerosis, and Coronary Heart Disease.

Currently the practice's Managing Physician, Dr. Michael Silverman joined Cardiovascular Specialists in 1994 after completing a cardiology fellowship at Temple University in Philadelphia. He has special interests in echocardiography and nuclear cardiology. Dr. Silverman also has a strong interest in cardiovascular disease in athletes, especially those who participate in endurance sports. Under his direction, our echocardiography program achieved accreditation by IAC, the Intersocietal Accreditation Commission. He is presently Medical Director of the practice's nuclear cardiology department, which is also accredited by IAC. A member of the Active physician admitting staff at Johns Hopkins Howard County Medical Center, he is past president of the HCGH Professional Staff and past Chairman of the Department of Medicine at HCGH. His community involvement includes past membership on the Board of Directors of the Ulman Cancer Fund for Young Adults and the Columbia Association Medical Advisory Board. Currently, he is a member of the American College of Cardiology Maryland Chapter Board of Governors. Dr. Silverman is an instructor in Medicine-Cardiology at Johns Hopkins Medicine. A Baltimore native, he went to Duke University and now resides in Ellicott City with his wife. He has two daughters and two grandsons. Dr. Silverman's personal interests include cycling and triathlons. He has completed three Ironman triathlons (including KONA) and numerous other athletic endurance events. Videos Heart Attack Symptoms and Prevention (Q&A) The Importance of Calling 9-1-1 for Heart Attack Symptoms. Dr. Silverman is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Mitral Valve Regurgitation, High Cholesterol, Atherosclerosis, and Coronary Heart Disease.

Dr. Alexander Chudnovsky joined Cardiovascular Specialists in 2004 following the completion of his Cardiology fellowship at the Milton S. Hershey Medical Center in Hershey, Pennsylvania. He is trained in nuclear cardiology, echocardiography and transesophageal echo. He is currently the director of echocardiography for the practice. He and his wife, who is a radiologist, have two children and reside in Howard County. A member of the Active physician admitting staff at Johns Hopkins Howard County Medical Center, he currently serves Medical Director of Echocardiography and as Medical Director of Cardiac Rehabilitation. Videos Diagnostic Testing for Heart Disease (Q&A). Dr. Chudnovsky is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Atherosclerosis, Coronary Heart Disease, and Mitral Valve Regurgitation.

Dr. Andrew Weiss joined Cardiovascular Specialists in July 2016 following completion of his cardiology fellowship at the University of Maryland Medical Center in Baltimore, where his training included nuclear cardiology, echocardiography and vascular ultrasound. He completed his medical school training at the University of Pennsylvania School of Medicine in Philadelphia, and residency at the Hospital of the University in Pennsylvania, also in Philadelphia. Originally from the Lancaster, Pennsylvania area, Dr. Weiss and his wife and two daughters reside in Howard County. Dr. Weiss is a member of the Active physician admitting staff at Johns Hopkins Howard County Medical Center. He serves as a member of the Johns Hopkins Howard County Medical Center Pharmacy and Therapeutics Committee. Videos 2018 Best Consulting Physician—Andrew Weiss, M.D., Howard County General Hospital. Dr. Weiss is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Arrhythmias, High Cholesterol, Atherosclerosis, and Atrial Fibrillation.

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 Atrial Fibrillation. His top areas of expertise are Hypertrophic Cardiomyopathy (HCM), Cardiomyopathy, Familial Hypertrophic Cardiomyopathy, and Heart Attack.

Sean Gloth is a Cardiologist in Columbia, Maryland. Dr. Gloth is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Heart Murmurs, Mitral Valve Regurgitation, Ectopic Heartbeat, and Aortic Regurgitation.

Dr. Jasmin Sahbaz joined Cardiovascular Specialists in July 2021 following completion of his cardiology fellowship at the University of Maryland Medical Center in Baltimore, where his training included nuclear cardiology, echocardiogaphy and vascular ultrasound. He was the chief fellow during his last year of training. He completed his medical school training at SUNY Upstate Medical University in Syracuse, New York and a residency at the University of Maryland Medical Center. Originally from Bosnia, and then the Ithaca, New York area, Dr. Sahbaz graduated from Cornell University. He resides in Howard County with his wife and two children. In his spare time, he is an avid cyclist and triathlete. Dr. Sahbaz is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Heart Attack, Heart Failure, Pulmonary Edema, and Angina.

Dr. Adrian Le Preston, who joined Cardiovascular Specialists in May 2005, is a clinical cardiologist who specializes in consultative cardiology, echocardiography, and nuclear cardiology. She is a member of the Active physician admitting staff at Johns Hopkins Howard County Medical Center. She also has special interests in women's preventive health. Dr. Preston has office hours four days a week at Cardiovascular Specialists, and spends the rest of her time reading, exercising, walking her dog, cooking and mentoring medical students. She lives with her husband and two grown children. Videos Your Heart Health - Changes Every One of Us Can Make Today (Q&A) Heart Attack Symptoms for Women versus Men. Dr. Preston is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. Her top areas of expertise are Hypertensive Heart Disease, Pediatric Myocarditis, Necrosis, and Atherosclerosis.

Dr. Andrew Farb is a clinical cardiologist with additional training in pathology. He has been with Cardiovascular Specialists, where he practices on a part-time basis, since 1989. He works full-time as chief medical officer in the Office of Cardiovascular Devices for the US Food and Drug Administration. Previously, he was a staff cardiologist and cardiovascular pathologist for the Armed Forces Institute of Pathology. He is a member of the Active physician admitting staff at Johns Hopkins Howard County Medical Center. Dr. Farb is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Heart Attack, Apoplexy, Peripheral Artery Disease, Angioplasty, and Percutaneous Coronary Intervention (PCI).

Imtiaz Chowdhry is a Cardiologist in Columbia,, Maryland. Dr. Chowdhry is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Sitosterolemia, High Cholesterol, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Jennifer Brady is a Cardiologist in Columbia, Maryland. Dr. Brady is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. Her top areas of expertise are Fainting, Mitral Valve Prolapse, Familial Ventricular Tachycardia, and Inappropriate Sinus Tachycardia (IST).

Dr. Maniu joins the interventional section as an interventional cardiologist with over two decades of experience in academic, hospital, and community settings. He earned his medical degree from Carol Davila University of Medicine and Pharmacy in Bucharest, Romania, and completed his residency in Internal Medicine, as well as fellowships in Cardiovascular Diseases and Interventional Cardiology, at the Mayo Clinic in Jacksonville and Rochester. Clinically, Dr. Maniu sees outpatients at the Cardiology Clinic in Columbia, and he will cover the interventional lab at Howard County Medical Center. Also, he interprets outpatient echos, primarily at our Columbia Clinic office. Dr. Maniu is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Pulmonary Edema, and Percutaneous Coronary Intervention (PCI).