
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 Cholestasis. 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.
Johns Hopkins University
Dr. Clifford Weiss is a Professor of Radiology and Radiological Science. He also holds appointments in Surgery and Biomedical Engineering. Additionally, he serves as Medical Director of the Johns Hopkins Center for Bioengineering Innovation and Design (CBID), the Director of the Johns Hopkins HHT Center of Excellence as well as Director of the Johns Hopkins Vascular Anomalies Center. Dr. Weiss' clinical focus lies in vascular and interventional radiology with a particular focus on the diagnosis and treatment of vascular malformations. This includes venous and lymphatic malformations, arteriovenous malformations, pulmonary arteriovenous malformations and Hereditary Hemorrhagic Telangiectasia (HHT) and varicoceles. Dr. Weiss also is a pioneer in the use of MRI for interventional guidance (iMRI), especially for the treatment of vascular malformations. Dr. Weiss' research focuses primarily on the preclinical and clinical development of Bariatric Embolization, a new endovascular procedure designed to help fight obesity, and on the development of new embolic therapies and devices. Dr. Weiss is the Deputy Editor of Interventional Content for the journal Radiology. Dr. Weiss received his B.A. from Dartmouth College in 1995, his M.D. from the Johns Hopkins University School of Medicine in 2001. He completed an internship in internal medicine on the Osler Service in 2002, his residency in Diagnostic Radiology in 2007, and a Fellowship in Vascular and Interventional radiology in 2008, all at The Johns Hopkins Hospital. He is a Fellow both of the Society of Interventional Radiology (SIR) and of Cardiovascular and Interventional Radiological Society of Europe (CIRSE). Dr. Weiss is rated as a Distinguished provider by MediFind in the treatment of Cholestasis. His top areas of expertise are Pulmonary Arteriovenous Malformation (PAVM), Pulmonary Arteriovenous Fistula, Arteriovenous Malformation, Liver Embolization, and Embolectomy.
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 Cholestasis. His top areas of expertise are Bile Duct Stricture, Cholestasis, Bile Duct Obstruction, Liver Embolization, and Gastrostomy.
The Johns Hopkins Hospital
Dr. Lemore Carmi is an Assistant Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Sciences. She specializes in interventional radiology. Dr. Carmi received her M.D. from Drexel University in 2003, and performed a residency in diagnostic radiology at the Hahnemann University Hospital in 2008. She completed a fellowship in interventional radiology at The Johns Hopkins Hospital in 2009, and then joined the Johns Hopkins faculty. Dr. Carmi is rated as an Advanced provider by MediFind in the treatment of Cholestasis. Her top areas of expertise are Cholestasis, Bile Duct Obstruction, Jaundice, 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.


