Patrick Warren MD is a board-certified interventional and pediatric radiologist at Nationwide Children's Hospital. He has been a member of the department of interventional radiology since 2012. He has held the position of section chief of ultrasound and section chief of interventional radiology.  Dr. Warren’s primary clinical specialization is image guided minimally invasive percutaneous and endovascular diagnosis and treatment of pediatric disease. Particular areas of interest include complex vascular access and venous access salvage, endovascular management of acute deep vein thrombosis, invasive and non-invasive vascular imaging, portal hypertension and hepatobiliary interventions, and interventional oncology. He has lectured nationally and internationally and published numerous peer-reviewed journal articles.