Seth Toomay, M.D.

Seth Toomay, M.D.

  • Radiology - Vascular-Interventional
  • Endovascular Therapy - Peripheral Vascular Disease
  • Tumor Ablation


Seth Toomay, M.D., became Associate Vice President and Health System Chief Medical Officer in August 2019. He is a Professor of Radiology at UT Southwestern Medical Center and is a member of its Vascular and Interventional Radiology Division. He provides clinical vascular and interventional radiology services at Parkland Memorial Hospital, Clements University Hospital, and Zale Lipshy University Hospital.

Dr. Toomay received a bachelor’s degree in biochemistry from Brown University in Providence, Rhode Island. He then earned his medical degree at UT Southwestern, where he remained to complete his radiology residency and fellowship training in interventional radiology.

Dr. Toomay has studied various topics in the vascular and interventional radiology field, and has published multiple research articles in peer-reviewed publications.

At UT Southwestern, Dr. Toomay serves as a member of the Health System Information Resources Committee, Library Advisory Committee, Professional Practice Plan Board, Ambulatory Services Committee, Clinical Advisory Committee, Hospital Credentialing Committee, Radiation Safety Committee, Southwestern Health Resources Data Sharing Committee, Health System Electronic Health Records Workgroup, and the Health System Interventional Radiology Committee. He is also Vice Chair of the Radiology Structured Reporting Governance Committee.

Dr. Toomay has professional affiliations with the Society of Interventional Radiology, the Western Angiographic and Interventional Society, and the Healthcare Information and Management Systems Society.

Dr. Toomay also serves as a special reviewer for, a patient-focused website describing more than 230 radiology exams and procedures.

Education & Training
  • Medical School - UT Southwestern Medical School (1998-2002)
  • Residency - UT Southwestern Medical Center (2002-2007), Diagnostic Radiology
  • Fellowship - UT Southwestern Medical Center (2007-2008), Interventional Radiology
Professional Associations & Affiliations
  • Healthcare Information and Management Systems Society
  • Society of Interventional Radiology
  • Western Angiographic and Interventional Society
Honors & Awards
  • Second Place Award for Abstract, Poster & Oral Presentation 2013, Fifth Annual University of Texas System Clinical Safety and Effectiveness Conference
  • Certificate of Merit Poster Presentation 2006, Radiological Society of North America

Clinical Focus

  • Endovascular Therapy - Peripheral Vascular Disease
  • Tumor Ablation
  • Endovascular Therapy - Deep Vein Thrombosis (DVT)
  • Endovascular Therapy - Embolization/Exclusions
  • Interventional Therapy for Portal Hypertension
  • Dialysis Access Management
  • Tumor Embolization
  • Disease Diagnosis

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