William Barret, MD, MS, is a graduate of Vanderbilt University, magna cum laude in economics. Subsequently, he obtained his masters from Georgetown University and his medical degree from Wake Forest University School of Medicine. He completed his diagnostic radiology residency and interventional radiology fellowship at the University of Alabama, Birmingham, before entering private practice in Nashville in 2016.

Since then, Dr. Barret has practiced in numerous community based hospital systems, academic medical centers, and university affiliated VA hospitals. He has a strong professional interest in interventional radiology and image-guided procedures. He enjoys teaching residents, interacting with colleagues and clinicians, and continuing to advance his procedural and diagnostic skill set in varied clinical settings. Dr. Barret is a member of the Society of Interventional Radiology.

Section: Abdominal Imaging

Nicholas Voutsinas, MD, RPVI, is an Interventional Radiology Attending and Assistant Professor in the Department of Radiology and Radiologic Sciences. Dr. Voutsinas grew up in Staten Island, New York. He attended the Sophie Davis School of Biomedical Education at the City College of New York (CUNY), a seven-year BS/MD Program in New York City.

After obtaining his BS degree in Biomedical Sciences, he received his MD degree from the SUNY Downstate College of Medicine. Dr. Voutsinas completed his internal medicine preliminary year at Staten Island University Hospital, and then moved on to the Icahn School of Medicine at Mount Sinai Hospital for his diagnostic radiology and interventional radiology residencies, serving as chief resident of the interventional radiology residency in his final year.

After working for one year as an attending interventional radiologist at Northwell Health in Long Island and Queens, New York, Dr. Voutsinas joined the Vanderbilt faculty as an attending and Assistant Program Director of the Integrated Interventional Radiology Residency. His clinical and research interests included interventional oncology (radioembolization, chemoembolization, ablation), women's health (uterine artery embolization, gonadal vein embolization), venous disease, and biliary endoscopy/lithotripsy. Dr. Voutsinas is excited to be at Vanderbilt and collaborate with his wonderful colleagues across not just radiology, but the entire hospital.

John R. Scheel, M.D., Ph.D., M.P.H. is a Professor in the Breast Imaging Section in the Department of Clinical Radiology and Radiological Sciences at Vanderbilt University Medical Center. Dr. Scheel joined VUMC's faculty as an Associate Professor in 2022 after spending 10 years on the faculty at the University of Washington. He completed a radiology residency and breast imaging fellowship at the University of Virginia. He also served as the Chief Resident in the Department of Radiology at the University of Virginia. In 2023, Dr. Scheel was promoted to Professor of Radiology and Radiological Sciences.

Dr. Scheel believes in empowering his patients with knowledge that can help them make important decisions regarding their health. He aims to achieve individualized care for each patient, using evidence-based medicine and state-of-the-art technology. His clinical practice includes all aspects of breast imaging, including mammography, ultrasound, MRI, tomosynthesis, and breast interventional procedures.