Ali Rai, M.D., is an infectious disease physician with Johns Hopkins Community Physicians. Dr. Rai has knowledge and expertise in helping patients work through and treat a wide-range of conditions and complex infectious disease challenges. A typical day for him could include treating a patient with a neurosurgery hydatid cyst in the morning and then working on a Naegleria case in the ICU in the afternoon. He enjoys the unique opportunity of working with both patients and medical colleagues in the hospital and clinical setting, and across the spectrum of age, disease and medical specialties. Dr. Rai is a firm believer in the bench-to-bedside approach to medicine. He believes evidence-based approaches to medicine should always dictate the highest quality of care for his patients to ensure the best outcomes. He is proud to be a part of the Johns Hopkins health system where patient care comes first and is unmatched. Dr. Rai had the unique opportunity of growing up in different cultures and training in different settings, which allows him to connect and provide care to a diverse group of patients. He enjoys reading, both fiction and non-fiction, and likes to spin a googly on the cricket field. Dr. Rai is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are AIDS Dementia Complex, HIV/AIDS, and Infective Endocarditis.

Diego Medvedofsky is a Cardiologist in Washington, Washington, D.c.. Dr. Medvedofsky is rated as an Advanced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Heart Failure, Arrhythmogenic Right Ventricular Cardiomyopathy, Mitral Valve Regurgitation, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Jannet Lewis is a Cardiologist in Washington,, Washington, D.c.. Dr. Lewis is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. Her top areas of expertise are Necrosis, Heart Failure, Heart Attack, Pulmonary Edema, and Pacemaker Implantation.

Ruth Tamrat is a Cardiologist in Washington, Washington, D.c.. Dr. Tamrat is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. Her top areas of expertise are Mitral Valve Regurgitation, Aortic Regurgitation, Necrosis, and Heart Failure.

Susan George is a primary care provider, practicing in Family Medicine in Falls Church, Virginia. Dr. George is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. Her top areas of expertise are Methemoglobinemia, Pneumocystis Jiroveci Pneumonia, Pneumomediastinum, and Ruvalcaba Syndrome.

Patrick Bering is a Cardiologist in Washington,, Washington, D.c.. Dr. Bering is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Cardiomyopathy, Necrosis, Hypertrophic Cardiomyopathy (HCM), Pacemaker Implantation, and Cardiac Ablation.

Gaby Weissman is a Cardiologist in Washington,, Washington, D.c.. Dr. Weissman is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Aortic Valve Stenosis, Cardiomyopathy, Heart Attack, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Sumbal Janjua is a Cardiologist in Washington,, Washington, D.c.. Dr. Janjua is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. Her top areas of expertise are Transient Ischemic Attack (TIA), Adenosine Deaminase 2 Deficiency, Coronary Heart Disease, and Arrhythmogenic Right Ventricular Cardiomyopathy.

Preetham Kumar is a Cardiologist in Washington,, Washington, D.c.. Dr. Kumar is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Patent Foramen Ovale, Atrial Septal Defect (ASD), Apoplexy, Patent Foramen Ovale Repair, and Pacemaker Implantation.

Binaya Basyal is a Cardiologist in Washington,, Washington, D.c.. Dr. Basyal is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Ventricular Fibrillation, Atrial Fibrillation, Fainting, Cardiomyopathy, and Pacemaker Implantation.

Elias Mamo is an Infectious Disease provider in Washington, Washington, D.c.. Dr. Mamo is rated as an Advanced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Sepsis, Arachnoiditis, Lymphangitis, and Infective Endocarditis.

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.

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.

Salim Aziz is a Thoracic Surgeon in Washington, Washington, D.c.. Dr. Aziz 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, Thrombectomy, and Heart Bypass Surgery.

Farzad Najam is a Thoracic Surgeon in Washington, Washington, D.c.. Dr. Najam is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Thoracic Aortic Aneurysm, Mitral Valve Regurgitation, Cystic Medial Necrosis of Aorta, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Adrienne Showler is an Infectious Disease provider in Washington, Washington, D.c.. Dr. Showler has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. Her top areas of expertise are Strongyloidiasis, Rhabditida Infections, Secernentea Infections, and Sepsis. Dr. Showler is currently accepting new patients.

Andrew Chen is a Cardiologist in Washington, Washington, D.c.. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Aortic Valve Stenosis, Fainting, Familial Ventricular Tachycardia, and Inappropriate Sinus Tachycardia (IST).

Marc Siegel is an Infectious Disease provider in Washington, Washington, D.c.. Dr. Siegel is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are HIV/AIDS, Pyomyositis, Myelitis, and AIDS Dysmorphic Syndrome.

Jose Lucar is an Infectious Disease provider in Washington, Washington, D.c.. Dr. Lucar is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. His top areas of expertise are Osteomyelitis, Chronic Recurrent Multifocal Osteomyelitis, HIV/AIDS, and Osteomyelitis in Children.

Maria Ruiz is an Infectious Disease provider in Washington, Washington, D.c.. Dr. Ruiz is rated as an Experienced provider by MediFind in the treatment of Infective Endocarditis. Her top areas of expertise are HIV/AIDS, Myelitis, AIDS Dysmorphic Syndrome, and AIDS Dementia Complex.