Ronald S. Winokur   Assistant Professor of Radiology

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 Ronald S. Winokur, M.D. is a board-certified radiologist specializing in interventional radiology and minimally invasive treatment of varicose veins. He is an Assistant Professor of Radiology at Weill Cornell Medical College and an Assistant Attending Radiologist at the NewYork-Presbyterian Hospital-Weill Cornell Campus.  He sees patients at the NYPH-Weill Cornell Campus, where he focuses on catheter directed treatment of deep venous diseases and interventional oncology. Dr. Winokur also sees patients at Weill Cornell Vascular in a brand new facility located at 2315 Broadway (84th Street), where he utilizes techniques such as endovenous thermal ablation with laser (EVLT), sclerotherapy and microphlebectomy for the treatment of varicose veins.

Dr. Winokur is a graduate of Tulane University, New Orleans, LA, earning a B.S. degree in biomedical engineering in 2002. Dr. Winokur earned his M.D. degree from Jefferson Medical College of Thomas Jefferson University, Philadelphia, PA in 2006. After completing an internship in Internal Medicine at The Lankenau Hospital, Wynnewood, PA, he completed a residency in diagnostic radiology (2008-2012) at Thomas Jefferson University Hospital.  He was elected and served as Chief Resident in his final year of residency.  Dr. Winokur was invited to join the faculty of Weill Cornell Radiology faculty beginning July 1, 2013 after completing a fellowship in Interventional Radiology at the NewYork-Presbyterian Hospital-Weill Cornell Medical College and Memorial Sloan Kettering Cancer Center.

Dr. Winokur’s clinical expertise is in interventional oncology and venous diseases involving both the deep and superficial venous systems. He performs a wide variety of interventional procedures including, but not limited to ablations and embolizations for liver malignancy, procedures to remove acute clots in the deep venous system, advanced techniques to treat varicose veins, image-guided biopsies and vascular access.

 Dr. Winokur achieved Board Certification in Diagnostic Radiology from the American Board of Radiology in 2012. His research interests include interventional treatment of liver malignancy, a topic in which he has co-authored several book chapters and presented at national meetings. He has also presented his work at national meetings regarding improving radiology resident education. In addition to clinical activities, Dr. Winokur is an active teacher of residents, Interventional Radiology fellows, and medical students.


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Grants awarded

  • Pharmacomechanical Catheter-Directed Thrombolysis for Acute DVT - ATTRACT Trial  awarded by National Heart, Lung, & Blood Institute Principal Investigator Subaward 2016 -



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