Dr. Samer Najjar

Christopher O'connor is a Cardiologist in Falls Church, Virginia. Dr. O'connor is rated as a Distinguished provider by MediFind in the treatment of Heart Failure. His top areas of expertise are Heart Failure, Cardiogenic Shock, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Bypass Surgery, and Percutaneous Coronary Intervention (PCI).

Dr. Chiadi Ndumele is the Director of Obesity and Cardiometabolic Research, Director of the Heart Failure Prevention Program and Associate Professor of Medicine and Epidemiology in the Division of Cardiology at Johns Hopkins University. Dr. Ndumele is a preventive cardiologist with doctorate level training in epidemiology, who leads a research program related to characterizing the relationship of obesity and cardiometabolic risk factors with the development of cardiovascular disease, with a particular focus on heart failure risk, and to refining strategies for cardiovascular disease prevention. His work additionally addresses the impact of social determinants of health on cardiometabolic risk factors and downstream cardiovascular outcomes. Dr. Ndumele received his M.D. from Harvard University and his Internal Medicine training at Brigham and Women’s Hospital, where he also served as Chief Medical Resident. He subsequently trained in Cardiology at Johns Hopkins University, where he was also Chief Cardiology Fellow in his final year and where he also received his MHS and PhD in Epidemiology. Dr. Ndumele’s research has been supported by multiple grants from the NIH, Robert Wood Johnson Foundation and the American Heart Association (AHA). He is Chair of the Council on Lifestyle and Cardiometabolic Health of the AHA, Past Chair of the AHA Obesity Committee, and Co-Chair of the AHA Cardiovascular-Kidney-Metabolic Health Initiative. Dr. Ndumele is rated as a Distinguished provider by MediFind in the treatment of Heart Failure. His top areas of expertise are Atherosclerosis, Heart Failure, Heart Failure with Preserved Ejection Fraction (HFpEF), and Metabolic Syndrome.

Mitchell Psotka is a Cardiologist and an Advanced Heart Failure and Transplant Cardiologist in Fairfax, Virginia. Dr. Psotka is rated as a Distinguished provider by MediFind in the treatment of Heart Failure. His top areas of expertise are Heart Failure, Cardiogenic Shock, Heart Failure with Preserved Ejection Fraction (HFpEF), Arrhythmogenic Right Ventricular Cardiomyopathy, and Heart Transplant. Dr. Psotka is currently accepting new patients.