
Overview
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 Experienced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Undifferentiated Pleomorphic Sarcoma, Mesenchymoma, Bile Duct Stricture, Gastrostomy, and Liver Embolization.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE PDP
- PPO
- HMO
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
Locations
601 North Caroline Street, Floor 7, Floor 7, Baltimore, MD 21287
Additional Areas of Focus
Dr. Lyons has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
The Johns Hopkins Hospital
Dr. Elie Portnoy is an Assistant Professor of Radiology and Radiological Science in the Johns Hopkins Medicine Interventional Radiology Department and Diagnostic Imaging Department at Johns Hopkins Hospital. Dr. Portnoy received his undergraduate degree, Summa Cum Laude, in Biology from Yeshiva University. He earned his medical degree from NYU School of Medicine with Alpha Omega Alpha. Dr. Portnoy is rated as an Advanced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Bile Duct Stricture, Cholestasis, Bile Duct Obstruction, Liver Embolization, and Gastrostomy.
Foundation Radiology Group PC
David Lee is an Interventional Radiologist and a Radiologist in La Plata, Maryland. Dr. Lee is rated as a Distinguished provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Ascites, Bile Duct Stricture, Alcoholic Cirrhosis, Gastrostomy, and Bone Marrow Aspiration. Dr. Lee is currently accepting new patients.
Johns Hopkins University
Dr. Brian Holly is an assistant professor of radiology and radiological science. Dr. Holly's clinical focus lies in venous thromboembolic disease. He specializes in the diagnosis and treatment of deep venous thrombosis, pulmonary embolism, post thrombotic syndrome; advanced venous interventions including prostatic artery embolization (PAE); IVC filter removal; treatment of vascular malformations; treatment of uterine fibroids and advanced biliary interventions. Dr. Holly received his M.D. from the University of Maryland School of Medicine in 2007. He completed an internship in internal medicine at Mercy Medical Center in 2008. He completed residency in radiology in 2012 at the University of Maryland Medical Center. This was followed by a fellowship in vascular and interventional radiology in 2013 at The Johns Hopkins Hospital. He is a member of the Society of Interventional Radiology. Recent News Articles and Media Coverage Minimally Invasive Treatment for Uterine Fibroids Webinar Uterine fibroids are non-cancerous growths that develop from the muscle tissue of the uterus. Interventional radiologist, Brian Holly, M.D., and gynecologist, Khara Simpson, M.D., hosted this interactive webinar to discuss a non-surgical alternative for uterine fibroids called uterine fibroid embolization. Dr. Holly is rated as an Advanced provider by MediFind in the treatment of Bile Duct Stricture. His top areas of expertise are Deep Vein Thrombosis, Enlarged Prostate (BPH), Cholangiocarcinoma (Bile Duct Cancer), Gastrostomy, and Liver Embolization.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- MesenchymomaDr. Lyons isAdvanced. Learn about Mesenchymoma.
- Undifferentiated Pleomorphic Sarcoma
- Experienced
- Adrenal CancerDr. Lyons isExperienced. Learn about Adrenal Cancer.
- Adrenocortical CarcinomaDr. Lyons isExperienced. Learn about Adrenocortical Carcinoma.
- Ampullary CancerDr. Lyons isExperienced. Learn about Ampullary Cancer.
- AscitesDr. Lyons isExperienced. Learn about Ascites.
- Bile Duct ObstructionDr. Lyons isExperienced. Learn about Bile Duct Obstruction.
- Bile Duct StrictureDr. Lyons isExperienced. Learn about Bile Duct Stricture.

