Erik Marshall is a Cardiologist in Elkton, Maryland. Dr. Marshall has been practicing medicine for over 42 years and is rated as a Distinguished provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Aortic Valve Stenosis, Dilated Cardiomyopathy (DCM), Cardiomyopathy, Coronary Heart Disease, and Pacemaker Implantation.

James Gammie is the surgical lead and co-director for the Johns Hopkins Heart and Vascular Institute and cardiac surgeon-in-chief for the Johns Hopkins Health System. With over 23 years of experience in cardiothoracic surgery, Dr. Gammie joined Johns Hopkins after serving as chief of the division of cardiac surgery at the University of Maryland Medical Center from 2012 to 2021. Dr. Gammie graduated from Brown University with a degree in biochemistry, and received his medical degree from the University of Massachusetts Medical School. Dr. Gammie trained in both general and cardiothoracic surgery at the University of Pittsburgh School of Medicine. His clinical and research efforts are focused on decreasing the mortality and morbidity of valve disease and improving the surgical treatment of mitral valve and other structural heart diseases. He performs over 225 mitral valve operations and interventions per year, and leads a cardiac surgery team that performs more than 1,200 cardiac operations annually. He is recognized by the Mitral Foundation and the American Heart Association as one of less than 25 reference surgeons in the U.S. for his experience in mitral valve repair and excellent patient outcomes. Dr. Gammie has a strong interest in all aspects of heart valve disease, and has published more than 200 peer-reviewed contributions in leading specialty journals including The New England Journal of Medicine, the Journal of Thoracic and Cardiovascular Surgery and Circulation. He has served as a deputy editor for The Annals of Thoracic Surgery and as chair of the Access and Publications Committee of the Society of Thoracic Surgeons Adult Cardiac Surgery Database. He serves on the steering committee of the NHLBI-sponsored Cardiothoracic Surgery Trials Network, and led the protocol development committee of a worldwide randomized tricuspid valve surgery trial. He is a member of the Halsted Society and the 21st Century Cardiothoracic Surgical Society. In 2011, Dr. Gammie was awarded the Johns Hopkins/University of Maryland Alliance for Science and Technology Development BioMaryland LIFE Prize, and he was named Entrepreneur of the Year at the University of Maryland Baltimore in 2014. He is the inventor of a novel transseptal catheter designed to simplify transcatheter cardiac procedures, and founded a commercial company to commercialize the device. With 20 issued or submitted patents, he continues to innovate in the mitral valve space, and recently published the world’s first clinical experience with a novel surgical repair for secondary mitral valve regurgitation, which was developed in his laboratory: mitral valve translocation. From 2016–2021, Dr. Gammie was consistently named a Top Doctor by Baltimore magazine, and in 2018 he received the Golden Apple Teacher of the Year award. Dr. Gammie is rated as an Advanced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Mitral Valve Regurgitation, Tricuspid Regurgitation, Mitral Valve Prolapse, Embolectomy, and Heart Bypass Surgery.

Mark Vesely is an Interventional Cardiologist and a Cardiologist in Baltimore, Maryland. Dr. Vesely is rated as an Advanced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Mitral Valve Regurgitation, Necrosis, Apoplexy, Heart Bypass Surgery, and Angioplasty. Dr. Vesely is currently accepting new patients.

Daniel Griffen is a Cardiologist in Rockville, Maryland. Dr. Griffen is rated as an Advanced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Aortic Regurgitation, Mitral Valve Regurgitation, Necrosis, and Paroxysmal Supraventricular Tachycardia (PSVT). Dr. Griffen is currently accepting new patients.

Joseph Cinderella is an Interventional Cardiologist and a Cardiologist in Berlin, Maryland. Dr. Cinderella is rated as an Advanced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Aortic Valve Stenosis, Angina, Coronary Heart Disease, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Cinderella is currently accepting new patients.

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 Mitral Stenosis. His top areas of expertise are Aortic Valve Stenosis, Heart Attack, Atrial Septal Defect (ASD), Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Brian Bethea is a Thoracic Surgeon in Baltimore, Maryland. Dr. Bethea is rated as an Advanced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Mitral Valve Regurgitation, Aortic Valve Stenosis, Mitral Stenosis, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Robert Lederman is an Interventional Cardiologist in Bethesda, Maryland. Dr. Lederman is rated as an Advanced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Mitral Valve Regurgitation, Ventricular Septal Defects, Aortic Valve Stenosis, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Robert Benitez is a Cardiologist and an Interventional Cardiologist in Baltimore, Maryland. Dr. Benitez is rated as an Advanced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Mitral Valve Regurgitation, Necrosis, Cardiogenic Shock, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Benitez is currently accepting new patients.

Christian Bounds is an Interventional Cardiologist and a Cardiologist in Berlin, Maryland. Dr. Bounds is rated as an Advanced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Atrial Fibrillation, Coronary Heart Disease, Angina, Pacemaker Implantation, and Heart Bypass Surgery. Dr. Bounds is currently accepting new patients.

John Gottdiener is a Cardiologist in Baltimore, Maryland. Dr. Gottdiener is rated as an Experienced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Heart Failure, Heart Failure with Preserved Ejection Fraction (HFpEF), Atrial Fibrillation, and Ectopic Heartbeat.

Piamsook Angkeow is a Cardiologist and a Cardiac Electrophysiologist in Elkton, Maryland. Dr. Angkeow is rated as an Experienced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Atrial Fibrillation, Familial Progressive Cardiac Conduction Defect, Angina, Pacemaker Implantation, and Cardiac Ablation.

Bradley Maron is a Cardiologist in Baltimore, Maryland. Dr. Maron is rated as an Experienced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Pulmonary Hypertension, Hypertension, Heart Failure, Hypertrophic Cardiomyopathy (HCM), and Heart Transplant. Dr. Maron is currently accepting new patients.

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 rated as an Experienced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Atherosclerosis, Heart Attack, Apoplexy, Heart Failure, and Bone Marrow Aspiration.

Dr. Stephen D. Sisson is a professor of medicine at the Johns Hopkins University School of Medicine. Dr. Sisson’s area of clinical expertise is internal medicine. He serves as vice president of clinical operations for the Office of Johns Hopkins Physicians, and as director of the Johns Hopkins Physician Education and Assessment Center (PEAC). He is the Philip A. Tumulty Professor of Medicine. Dr. Sisson holds a B.S. in chemistry from Duke University. He earned his M.D. (Alpha Omega Alpha, with research honors) at Tufts University School of Medicine. He completed an internal medicine internship and residency at Johns Hopkins, serving as assistant chief of service for the Barker Firm. He joined the Johns Hopkins faculty in 1996. He served for 15 years as the associate director of the Osler Medical Housestaff Training Program. His research interests include community outreach, medical education and ambulatory care. This provider is registered with the Florida Department of Health to perform telehealth services for patients in Florida. Dr. Sisson is rated as an Experienced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are COVID-19, Cerebral Palsy, Acute Eosinophilic Pneumonia, and Hypereosinophilic Syndrome.

Stephen Gottlieb is a Cardiologist and an Advanced Heart Failure and Transplant Cardiologist in Baltimore, Maryland. Dr. Gottlieb is rated as an Experienced provider by MediFind in the treatment of Mitral Stenosis. 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.

Amir Najafi is an Interventional Cardiologist and a Cardiologist in Bel Air, Maryland. Dr. Najafi is rated as an Experienced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Heart Murmurs, Nasal Flaring, Angina, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Rani Hasan is an Interventional Cardiologist in Baltimore, Maryland. Dr. Hasan is rated as an Experienced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Aortic Valve Stenosis, Apoplexy, Heart Attack, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Reed Donaldson Quinn, M.D., is a cardiothoracic surgeon in Bethesda, Maryland, at Suburban Hospital. Dr. Quinn has extensive experience in the treatment of adult and congenital heart disease. He has clinical expertise in structural heart procedures including aortic, mitral, tricuspid, and pulmonary valve repairs and replacements. He also has extensive experience in aortic-mitral curtain reconstructions, percutaneous aortic valve replacement (TAVR), and LVOT enlargements. Dr. Quinn earned his Bachelor of Science Degree from Brigham Young University, his Masters in Engineering and Bioengineering from University of Utah, and his Medical Degree from University of Utah. He completed general surgery residency at University of Rochester and cardiothoracic surgery residency at The Milton S. Hershey Medical Center. Additionally, he completed a fellowship in pediatric congenital cardiovascular surgery at Children’s Hospital in Boston. Dr. Quinn has interests in innovative therapies for valvular heart disease and serves as the US Master Proctor for the Corcym Perceval sutureless valve. He has been the principal investigator at Maine Medical Center for several clinical studies. Dr. Quinn is very active in international health and has led trips for teaching and performing congenital heart surgery in Kenya, and is a visiting professor at Tenwek Hospital in Bomet, Kenya. Recent News Articles and Media Coverage At Suburban Hospital, Cardiac Surgery Expertise ShinesJohns Hopkins Medicine (March 2025). Dr. Quinn is rated as an Experienced provider by MediFind in the treatment of Mitral Stenosis. His top areas of expertise are Aortic Valve Stenosis, Mediastinitis, Cystic Medial Necrosis of Aorta, Heart Bypass Surgery, and Aortic Valve Replacement.

Dr. Danelle Cayea is an Associate Professor of Medicine at the Johns Hopkins University School of Medicine. She is a specialist in geriatric medicine. Her clinical interests include the primary care of older adults with chronic illness and the care of hospitalized older adults. She serves as the director of the Daniel and Jeannette Hendin Schapiro Geriatric Medical Education Center, as the vice chair for education for the Department of Medicine, and as the Director of the Medicine Core Clerkship Program. Her research focuses on developing and evaluating curricula used to teach medical trainees about elder care. She has published a number of scholarly articles and book chapters on this topic and has been recognized for her teaching excellence. Dr. Cayea holds an M.S. in medical education from the University of Pittsburgh School of Medicine. She earned her medical degree at the University of Rochester School of Medicine and Dentistry. She completed internal medicine residencies at both Montefiore University Hospital and Children's Hospital of Pittsburgh, as well as a geriatric medicine fellowship at University of Pittsburgh Medical Center. Dr. Cayea is rated as an Experienced provider by MediFind in the treatment of Mitral Stenosis. Her top areas of expertise are Chondroma, Chondroblastoma, Mitral Stenosis, and Osteochondroma.