Gray Lyons
Experienced in Bile Duct Obstruction

Dr. Gray Lyons

Interventional Radiology
Johns Hopkins Medicine
Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 7, Floor 7, 
Baltimore, MD 

Experienced in Bile Duct Obstruction
Johns Hopkins Medicine
Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 7, Floor 7, 
Baltimore, MD 
OverviewInsuranceLocationsSimilar Doctors

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 Obstruction. His top areas of expertise are Undifferentiated Pleomorphic Sarcoma, Mesenchymoma, Bile Duct Stricture, Gastrostomy, and Liver Embolization.

Graduate Institution
Duke University School Of Medicine, PhD, 2012
Residency
New York-Presbyterian University Hospital of Columbia and Cornell, Radiology, 2018
Specialties
Interventional Radiology
Licenses
Diagnostic Radiology in MD
Board Certifications
American Board Of Radiology
Fellowships
Baptist Health South Florida, Vascular and Interventional Radiology, 2019
Hospital Affiliations
The Johns Hopkins Hospital
Johns Hopkins Bayview Medical Center
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
View 1 Less Insurance Carrier -

Locations

Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 7, Floor 7, Baltimore, MD 21287
Call: 410-614-2227

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.

Neurofibromatosis Type 1 (NF1)
Similar Doctors
Kelvin Hong
Distinguished in Bile Duct Obstruction
Dr. Kelvin Hong
Interventional Radiology
Distinguished in Bile Duct Obstruction
Dr. Kelvin Hong
Interventional Radiology

Johns Hopkins Outpatient Center

601 North Caroline Street, Floor 8, Floor 8, 
Baltimore, MD 
 (3.5 miles away)
410-614-2227
Languages Spoken:
English
See accepted insurances

Dr. Kelvin K. Hong is an Associate Professor and Executive Vice Chair of Radiology within the Johns Hopkins Department of Radiology. A specialist in interventional and vascular radiology, Dr. Hong serves as the Medical Director of the Johns Hopkins Interventional Radiology Center. Dr. Hong earned his medical degree from South Africa’s University Of Witwatersrand Medical School in Parktown. He completed a radiology residency at Parktown West’s College of Medicine/Radiology, as well as a cardiovascular/interventional radiology fellowship and diagnostic radiology residency at The Johns Hopkins Hospital. His areas of clinical expertise include bone, liver and soft-tissue tumors; chronic total occlusions; claudication; deep venous thrombosis; lung, esophageal and kidney cancer; peripheral arterial/vascular disease; renal artery/vascular disease; uterine fibroid tumors; varicocele; and vascular malformations and venous thromboembolism. Dr. Hong performs procedures that include radiofrequency ablation for lung, liver, kidney and bone lesions; transcatheter arterial chemoembolization for liver cancer; lower-extremity angioplasty and stenting; visceral angioplasty and stenting; embolization of uterine fibroid tumors; cryoablation for pain control; and percutaneous laser ablation of varicose veins. Dr. Hong served as editor for the book Percutaneous Tumor Ablation and contributed to Interventional Oncology: Principles and Practice. Dr. Hong is rated as a Distinguished provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Pancreaticoduodenectomy.

Clifford R. Weiss
Distinguished in Bile Duct Obstruction
Dr. Clifford R. Weiss
Interventional Radiology
Distinguished in Bile Duct Obstruction
Dr. Clifford R. Weiss
Interventional Radiology

Johns Hopkins University

1800 Orleans St, 
Baltimore, MD 
 (2.4 miles away)
410-955-5000
Languages Spoken:
English
See accepted insurances

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 Bile Duct Obstruction. His top areas of expertise are Pulmonary Arteriovenous Malformation (PAVM), Pulmonary Arteriovenous Fistula, Arteriovenous Malformation, Liver Embolization, and Embolectomy.

Abhishek Srinivas
Distinguished in Bile Duct Obstruction
Dr. Abhishek Srinivas
Interventional Radiology
Distinguished in Bile Duct Obstruction
Dr. Abhishek Srinivas
Interventional Radiology

Suburban Hospital

Bethesda, MD 
 (35.7 miles away)
301-896-3202
Languages Spoken:
English
See accepted insurances

Dr. Abhishek Srinivas received his medical degree from the Johns Hopkins School of Medicine in 2006. He completed his diagnostic radiology residency at the Montefiore Medical Center of the Albert Einstein College of Medicine in New York in 2011. This was followed by a fellowship in Vascular and Interventional Radiology at the Johns Hopkins University School of Medicine in 2012. Prior to joining Johns Hopkins as faculty, Dr. Srinivas established an interventional oncology practice serving much of central New Jersey, and a local hub for patients affiliated with Hahnemann University Hospital’s liver transplant program in Philadelphia. During this time, Dr. Srinivas was also part of the neuroradiology team for the hospital’s stroke center. His primary areas of expertise include interventional oncology (liver, kidney and bone cancers), vascular disease (deep vein thrombosis, pulmonary embolism, aneurysm treatment), uterine fibroid embolization, spine interventions, and advanced biliary interventions. Other interests include novel device evaluation and development. Videos Abhishek Srinivas, M.D. Selected Publications Chang SW, Srinivas A, Murphy KP. Chapter 5: Endovascular Management of a Patient After SAH. Bhardwaj A, Alkayed NJ, Kirsch JR, et al. Acute Stroke: Bench to Bedside. Chapter 5, 53 – 61. New York: Marcel Dekker. Copyright 2007, informa Healthcare USA inc. Farinhas, J, Srinivas A, Gulko E, Bello J. Chapter 4: Imaging of the Spine and Spinal Cord. Kirshblum S, Campagnolo D, DeLisa JA, Spinal Cord Medicine 2nd Edition. Lippincott, Williams, & Wilkins (Copyright 2011) Gailloud P, Srinivas A, Chang SW, Murphy KP. Morgan RH. Percutaneous Vertebroplasty in a Sitting Patient. Journal of Vascular and Interventional Radiology. 2005 Nov; 16(11):1558-9 Mahadevia AA, Weiland D, Kvamme P, Murphy KP, Srinivas A, Wyse G. Polymethylmethacrylate contact dermatitis after vertebroplasty. Journal of Vascular and Interventional Radiology 2007 Apr;18(4):585 Srinivas A, Chang SW, Gailloud P. Chapter 33: Diagnosis and Treatment of Cerebral Arteriovenous Malformations. Bhardwaj A, Alkayed NJ, Kirsch JR, et al. Acute Stroke: Bench to Bedside. Chapter 33, 397 – 404. New York: Marcel Dekker. Copyright 2007, informa Healthcare USA inc. Dr. Srinivas is rated as a Distinguished provider by MediFind in the treatment of Bile Duct Obstruction. His top areas of expertise are Bile Duct Obstruction, Ascites, Jaundice, Liver Embolization, and Bone Graft.

VIEW MORE BILE DUCT OBSTRUCTION DOCTORS

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

Find Dr. Lyons's expertise for a condition
ConditionClose
      • Advanced
      • Mesenchymoma
        Dr. Lyons is
        Advanced
        . Learn about Mesenchymoma.
        See more Mesenchymoma experts
      • Undifferentiated Pleomorphic Sarcoma
        Dr. Lyons is
        Advanced
        . Learn about Undifferentiated Pleomorphic Sarcoma.
        See more Undifferentiated Pleomorphic Sarcoma experts
      • Experienced
      • Adrenal Cancer
        Dr. Lyons is
        Experienced
        . Learn about Adrenal Cancer.
        See more Adrenal Cancer experts
      • Adrenocortical Carcinoma
        Dr. Lyons is
        Experienced
        . Learn about Adrenocortical Carcinoma.
        See more Adrenocortical Carcinoma experts
      • Ampullary Cancer
        Dr. Lyons is
        Experienced
        . Learn about Ampullary Cancer.
        See more Ampullary Cancer experts
      • Ascites
        Dr. Lyons is
        Experienced
        . Learn about Ascites.
        See more Ascites experts
      • Bile Duct Obstruction
        Dr. Lyons is
        Experienced
        . Learn about Bile Duct Obstruction.
        See more Bile Duct Obstruction experts
      • Bile Duct Stricture
        Dr. Lyons is
        Experienced
        . Learn about Bile Duct Stricture.
        See more Bile Duct Stricture experts
      View All 18 Experienced Conditions
      Want to save this doctor for later?
      Sign Up
      Is this your doctor?
      Find A Second Opinion
      Not sure about your diagnosis?
      Check Your Symptoms
       
       
       
       
      Learn about our expert tiers
      Learn More
      Are you the provider on this profile?
      Claim Profile
      For Patients
      • Our Story
      • How MediFind Works
      • Conditions A-Z
      • Doctor Directory
      • Symptoms Directory
      • Procedures Directory
      • Treatment Directory
      • Drug Directory
      • Infusion Center Finder
      • FAQ
      • Contact Us
      For Providers and Practices
      • Claim Your Profile
      • Newsroom
      Business Solutions
      • Provider
      • Network Solutions
      Additional Resources
      • Consumer Health Data Privacy Policy
      • Privacy Policy
      • Terms of Use
      • Advertising Policy
      • Content Policy
      Subscribe to our newsletter

      Sign up to stay informed about MediFind and get wellness sent your way.

      Close

        By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

        Bullet PinMediFind
        Follow us on
        This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
        © 2026 All Rights Reserved

        Request an Appointment

        If you are experiencing a medical emergency, call 9-1-1.

        MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

        Patient Details

        This information is for the patient who will be seen at the appointment.

          Close

          Returning patient? Use your address on file with the provider.

          Insurance Details

          Please provide information of the primary insurance holder as the practice may require this information to schedule.

          Insurance Provider *
          Insurance ProviderClose

          Appointments Details

          Let’s get more information about your appointment.

                  0 / 1000
                  0 / 1000
                  By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.