Ronald Winokur M.D., FSIR, FAVLS, RPVI, is a board-certified radiologist specializing in Interventional Radiology. He is the Director of the Weill Cornell Vein Treatment Center, Professor of Clinical Radiology at Weill Cornell Medicine and an Attending Radiologist at the NewYork-Presbyterian Hospital-Weill Cornell Campus.      

Dr. Winokur earned his B.S. with Cum Laude Honors in Biomedical Engineering from Tulane University in 2002. He then earned his M.D. at Thomas Jefferson University Jefferson Medical College in 2006.

Following an internship in internal medicine at The Lankenau Hospital, Dr. Winokur trained as a resident in Diagnostic Radiology at Thomas Jefferson University Hospital, where he became Chief Resident from 2010-2011. He then completed his fellowship in Interventional Radiology from 2012-2013 at New York Presbyterian Hospital/Weill Cornell Medical Center in New York, NY.

Dr. Winokur subsequently worked at Weill Cornell Medicine – NewYork Presbyterian Hospital from 2013-2019 before becoming Associate Professor of Radiology and Director of Venous Interventions at Thomas Jefferson University Hospital from 2019-2021. He has rejoined the faculty at Weill Cornell Medicine in September 2022 as the Director of the Weill Cornell Vein Treatment Center.  

Dr. Winokur's clinical expertise is the minimally invasive treatment of venous conditions including varicose veins, spider veins, pelvic venous disorders (aka pelvic congestion syndrome), vulvar varices, deep vein thrombosis (DVT), and pulmonary embolism (PE). Dr. Winokur uses minimally invasive techniques such as endovenous laser therapy (EVLT), Venaseal, Varithena, Clarivein, microphlebectomy and sclerotherapy to provide high quality, individualized care to each patient with varicose veins and spider veins. He also identfies those with venous origin pelvic pain to pick the best treatment such as ovarian vein embolization, vein stenting or both.    

In addition to his clinical interest and experience, Dr. Winokur is involved in national medical leadership as the Chair of the Venous Service Line for the Society of Interventional Radiology and served as the founding President-Elect and President of the New York Roentgen Society Interventional Radiology Section. He is on the Board of Directors of the American Vein and Lymphatic Society (AVLS) and the American Board of Venous and Lymphatic Medicine (ABVLM). Dr. Winokur has also been named New York Super Doctors Rising Star 2015-2017 and Castle Connolly Top Doc since 2019.

Dr. Winokur has numerous publications spanning all aspects of venous disease with a passion for improving the care provided to women suffering from chronic pelvic pain as a result of pelvic venous disease. He is leading efforts on research studies to better understand the best treatment when veins cause pelvic pain in women. He has also acted as guest editor for issues in Seminars in Interventional Radiology and Techniques in Interventional Radiology in addition to numerous invited lectures at national and international meetings. As part of his research, Dr. Winokur is the site Principal Investigator for NIH and industry funded research trials such as Chronic Venous Thrombosis: Relief With Adjunctive Catheter-Directed Therapy (The C-TRACT Trial) in chronic DVT and venous specific stent development (The GORE® VIAFORT Vascular Stent Iliofemoral Study). 

Dr. Winokur is the national Principal Investigator of the EMBOLIZE research trial (SIR Foundation - EMBOLIZE) that is a prospective, randomized controlled trial studying the effects of ovarian vein embolization (OVE) in reducing pain in women experiencing chronic pain due to pelvic venous disease.