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 Infective Endocarditis. His top areas of expertise are Mitral Valve Regurgitation, Tricuspid Regurgitation, Mitral Valve Prolapse, Embolectomy, and Heart Bypass Surgery.

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

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

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

Jonathan Dubin is a Cardiologist in Pikesville,, Maryland. Dr. Dubin is rated as an Advanced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Atrial Fibrillation, Inappropriate Sinus Tachycardia (IST), Fainting, and Familial Neurocardiogenic Syncope.

Dr. Ghoreishi is an internationally recognized expert. He brings exceptional skill in open and endovascular aortic repair, including aortic valve repair, Ross operation, valve sparing aortic root repair, innovation in minimally invasive techniques for aortic aneurysm repair, endovascular repair of high risk patients with acute type A or type B aortic dissection, and first-in-human procedures such as the Endo-Bentall repair for aortic dissection. His clinical leadership and innovation have drawn national and international referrals and advanced standards of care in this challenging field. Dr. Ghoreishi has served as Principal Investigator on several federally funded studies through the National Heart, Lung, and Blood Institute (NHLBI) and is a frequent contributor to national guidelines and surgical education symposia. Dr. Ghoreishi is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Aortic Dissection, Cystic Medial Necrosis of Aorta, Thoracic Aortic Aneurysm, Embolectomy, and Heart Bypass Surgery.

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 Infective Endocarditis. His top areas of expertise are Aortic Valve Stenosis, Mediastinitis, Cystic Medial Necrosis of Aorta, Heart Bypass Surgery, and Aortic Valve Replacement.

James Ley is an Infectious Disease provider in Elkton, Maryland. Dr. Ley has been practicing medicine for over 39 years and is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Cellulitis, Hospital-Acquired Pneumonia, COVID-19, and Osteomyelitis.

Rameet Thapa is an Infectious Disease provider in Cumberland, Maryland. Dr. Thapa is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Cellulitis, Muscle Invasive Bladder Cancer, Non-Muscle Invasive Bladder Cancer, and Osteomyelitis. Dr. Thapa is currently accepting new patients.

Dr. Maryana Shenderov is a clinician at the Johns Hopkins University School of Medicine, having joined in 2016. Her area of clinical expertise is infectious disease. She earned her M.D. from SUNY Downstate Medical Center. She completed her residency and a fellowship in infectious diseases at the University of Maryland Medical Center. Dr. Maryana Shenderov sees patients at the Greenspring Station and Bartlett Infectious Diseases Clinics and also provides inpatient consultations at Johns Hopkins Hospital. She is committed to excellence in patient care, multi-disciplinary collaboration, and patient-centered care. Dr. Shenderov is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. Her top areas of expertise are Osteomyelitis, Osteomyelitis in Children, SAPHO Syndrome, and Chronic Recurrent Multifocal Osteomyelitis.

Dr. Allison Hays is a general cardiologist and Medical Director of Echocardiography Programs at the Johns Hopkins Hospital. She is also an assistant professor at the Johns Hopkins University School of Medicine. Dr. Hays graduated from Stanford University with degrees in biology and English. She received her medical training at the Columbia University College of Physicians and Surgeons and did her residency at the New York Presbyterian Hospital at Columbia. Dr. Hays pursued cardiology fellowships at New York University Medical Center and at the Johns Hopkins University School of Medicine. Dr. Hays studies ways to use noninvasive imaging to detect cardiovascular disease. She has advanced multimodality imaging training from Johns Hopkins and attends in the Adult Echocardiography Lab at Johns Hopkins Hospital. In terms of research, she uses Cardiac MRI as a tool to study coronary and systemic endothelial function. Dr. Hays is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. Her top areas of expertise are Familial Ventricular Tachycardia, Cardiomyopathy, COVID-19, Heart Attack, and Tissue Biopsy.

Dr. Gloria K. Aggrey graduated from Case Western Reserve University School of Medicine in 2004. She completed a residency in Internal Medicine in the Rhode Island Hospital/Miriam Hospital Program at Brown University in 2007. She then completed a fellowship in Infectious Diseases at Boston University in 2009. Dr. Aggrey is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. Her top areas of expertise are Sepsis, Strep Throat, Pneumonia, and Asymptomatic Bacteriuria.

Dr. Daniel J. Brotman is a professor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include hospital medicine and internal medicine. Dr. Brotman earned his M.D. at the University of Virginia School of Medicine. He completed his residency at Johns Hopkins. His research interests include hospital medicine, thrombosis and anticoagulation, perioperative medicine, care coordination, and readmissions He was recognized by the Maryland Chapter of the American College of Physicians with an Outstanding Hospitalist Award in 2012, has been named a Top Doctor (hospitalist) by Baltimore Magazine multiple times since 2011, is a Fellow of the American College of Physicians (ACP), a Master in Hospital Medicine, and a member of the Miller Coulson Academy of Clinical Excellence. Dr. Brotman is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Venous Thromboembolism (VTE), Deep Vein Thrombosis, Pulmonary Embolism, Endoscopy, and Colonoscopy.

Thorsten Leucker is a Cardiologist in Baltimore, Maryland. Dr. Leucker is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Apoplexy, Heart Attack, Heterozygous Familial Hypercholesterolemia (HeFH), and Homozygous Familial Hypercholesterolemia (HoFH).

Dr. Christopher K. Lippincott is an infectious diseases specialist at the Johns Hopkins University School of Medicine. He is the Clinical Director for the Johns Hopkins Center for Nontuberculous Mycobacteria and Bronchiectasis. He is an expert in the care of patients with mycobacterial infections (NTM and tuberculosis), HIV/AIDS, Lyme disease, and general infectious diseases. He provides teaching to medical students, residents and fellows at the Johns Hopkins University School of Medicine. Dr. Lippincott earned his M.D. at the University of Virginia School of Medicine. He completed his residency at The Ohio State University Wexner Medical Center and infectious diseases fellowship at the University of North Carolina Hospitals. He also earned a Master of Public Health in epidemiology from the University of North Carolina at Chapel Hill in 2013. Prior to joining Johns Hopkins University in 2015, Dr. Lippincott practiced infectious diseases internationally for Medecins Sans Frontieres (Abkhazia, Georgia) and Right to Care (Johannesburg, South Africa). Dr. Lippincott’s research interests include mycobacterial infections (NTM and tuberculosis) and bronchiectasis. Dr. Lippincott is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Swimming Pool Granuloma, Nontuberculous Mycobacterial Lung Disease, Osteomyelitis, and Osteomyelitis in Children.

Charles Bornmann is an Infectious Disease provider in Baltimore, Maryland. Dr. Bornmann is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Infective Endocarditis, Sepsis, Osteomyelitis, and Myelitis.

Dr. Moon’s area of clinical expertise is infectious diseases. She earned her M.D. at the Ross University School of Medicine. Dr. Moon completed her residency at Allegheny General Hospital and performed a fellowship in infectious diseases at Penn State Milton S. Hershey Medical Center. Dr. Moon is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. Her top areas of expertise are Hepatitis C, Hepatitis, Osteomyelitis, and HIV/AIDS.

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 Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Congenital Heart Disease (CHD), Tetralogy of Fallot, Heart Attack, Apoplexy, and Heart Transplant.

Ahmet Kilic is a cardiac surgeon in Baltimore, Maryland. He is an associate professor of surgery at the Baltimore-based Johns Hopkins University School of Medicine. He also serves as director of heart transplantation and mechanical circulatory support. Dr. Kilic's areas of clinical expertise include adult cardiac surgery with a special interest in heart transplantation and mechanical circulatory support. Prior to joining Johns Hopkins, Dr. Kilic served as associate professor of surgery at The Ohio State University Wexner Medical Center and was the director of the heart transplant and mechanical circulatory support programs. He was co-director of the advanced heart failure program as well as the vice director of clinical and academic affairs in the division of cardiac surgery. Although a recognized leader in the field of heart failure, Dr. Kilic’s expertise runs the spectrum of cardiac surgery. Dr. Kilic is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Heart Tumor, Restrictive Cardiomyopathy (RCM), Supravalvular Aortic Stenosis, Heart Transplant, and Heart Bypass Surgery.

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