Dr. Alan J. Kronthal

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.

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.

Andrew Vennos is an Interventional Radiologist and a Radiologist in Easton, Maryland. Dr. Vennos is rated as a Distinguished provider by MediFind in the treatment of Mesenchymoma. Her top areas of expertise are CAPOS Syndrome, Pleurisy, Pleural Effusion, Bone Marrow Aspiration, and Liver Embolization.