Gray Lyons, M.D., Ph.D.

Grafe Reid Lyons, M.D., Ph.D.

Headshot of Gray Lyons
  • Assistant Professor of Radiology and Radiological Science


Critical Limb Ischemia, Fibromuscular Dysplasia (FMD), Interventional Radiology, IVC Filter Placement, IVC Filter Retrievals, Renal Artery Disease, Varicose Veins, Vascular Disease, Vascular Malformations, Venous Thromboembolism more

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Johns Hopkins Medicine - Green Spring Station

Appointment Phone: 410-502-6611
10803 Falls Road
Pavilion III
Lutherville, MD 21093
Phone: 410-614-1046
Johns Hopkins Medicine - Green Spring Station - Google Maps

Johns Hopkins Bayview Medical Center

Appointment Phone: 410-550-7103
4940 Eastern Avenue
Baltimore, MD 21224
Phone: 410-614-1046
Johns Hopkins Bayview Medical Center - Google Maps

The Johns Hopkins Hospital (Main Entrance)

Appointment Phone: 410-502-6611
1800 Orleans St.
Sheikh Zayed Tower
Baltimore, MD 21287
Phone: 410-614-1046 | Fax: 410-614-1043
The Johns Hopkins Hospital (Main Entrance) - Google Maps


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. more


  • Assistant Professor of Radiology and Radiological Science

Departments / Divisions



  • MD; Duke University School of Medicine (2013)


  • Radiology; New York-Presbyterian/Weill Cornell Medical Center (2018)


  • Vascular and Interventional Radiology; Miami Cardiac & Vascular Institute (2019)

Board Certifications

  • American Board of Radiology (Interventional Radiology and Diagnostic Radiology) (2021)

Research & Publications

Selected Publications

Lyons GR, Pua BB. Ablation Planning Software for Optimizing Treatment: Challenges, Techniques, and Applications. Tech Vasc Interv Radiol. 2019; 22:21-25

Lyons GR, Winokur RS, Pua BB. Pulmonary Cryoablation Zones: More Aggressive Ablation Is Warranted In Vivo. AJR Am J Roentgenol. 2019; 212:195-200

Lyons GR, Askin, G, Pua BB. Clinical Outcomes after Pulmonary Cryoablation with the Use of a Triple Freeze Protocol. J Vasc Interv Radiol. 2018; 29:714-21

Activities & Honors


  • Society of Interventional Radiology
  • Radiological Society of North America
  • American College of Radiology
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