Dr. John Ruff

Dr. Stefan Loy Zimmerman is a Professor in the Johns Hopkins University School of Medicine in the Departments of Radiology and Medicine (Cardiology). He specializes in cardiothoracic imaging and is the Division Director of Diagnostic Imaging and Director of Cardiac Imaging. He is the program director for the Cardiothoracic Imaging Fellowship in Radiology. Dr. Zimmerman earned his medical degree from the University of Pennsylvania School of Medicine. He completed both a radiology residency and a cardiovascular imaging fellowship at the Hospital of the University of Pennsylvania. His research focuses on the use of CT and MR imaging in the diagnosis and management of cardiovascular diseases. He has particular interest in the use of cardiac imaging for management of arrhythmias, diagnosis and prognosis of arrhythmogenic right and left ventricular cardiomyopathy, and pulmonary hypertension. Dr. Zimmerman is rated as a Distinguished provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Paroxysmal Supraventricular Tachycardia (PSVT), Rhabdoid Tumor Predisposition Syndrome, Synovial Sarcoma, Cardiac Ablation, and Transcatheter Aortic Valve Replacement (TAVR).

Franklyn Luke is a Radiologist in Fairfax, Virginia. Dr. Luke is rated as an Advanced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Visceromegaly, Pleurisy, Pleural Effusion, Bone Marrow Aspiration, and Lymphadenectomy.

Jong-ho Choi is a Radiologist in Fairfax, Virginia. Dr. Choi is rated as a Distinguished provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Bronchiectasis, Pleurisy, Pleural Effusion, Visceromegaly, and Bone Marrow Aspiration.