Dr. John C. Ruff

Jong-ho Choi is a Radiologist and an Interventional Radiologist in Herndon, Virginia. Dr. Choi is rated as a Distinguished provider by MediFind in the treatment of Mesenchymoma. His top areas of expertise are Bronchiectasis, Pleurisy, Pleural Effusion, Visceromegaly, and Bone Marrow Aspiration. Dr. Choi is currently accepting new patients.

Dr. Grafe (Gray) Lyons is a specialist in vascular and interventional radiology. His clinical focus is in the diagnosis and treatment of arterial and venous vascular disease and minimally-invasive, image-guided procedures. Dr. Lyons earned a B.S. from Davidson College and M.D. and Ph.D. degrees from Duke University in North Carolina. He completed internship in general surgery and residency in radiology at NewYork-Presbyterian Hospital/Weill Cornell Medicine in New York. He then completed fellowship in vascular and interventional radiology at the Miami Cardiac and Vascular Institute in Florida. Dr. Lyons joined the faculty at Johns Hopkins Medicine in 2019 as an Assistant Professor of Radiology and Radiological Science in the Division of Vascular and Interventional radiology. Dr. Lyons is rated as an Advanced provider by MediFind in the treatment of Mesenchymoma. His top areas of expertise are Undifferentiated Pleomorphic Sarcoma, Mesenchymoma, Bile Duct Stricture, Gastrostomy, and Liver Embolization.

Daniel Overdeck is a Radiologist and a Neuroradiologist in Herndon, Virginia. Dr. Overdeck is rated as a Distinguished provider by MediFind in the treatment of Mesenchymoma. His top areas of expertise are Gallbladder Disease, Lung Nodules, Ascites, Pleurisy, and Bone Marrow Aspiration. Dr. Overdeck is currently accepting new patients.