Patrick Sewell. His primary practice is as a Radiology: Vascular & Interventional Radiology, also practicing as a Radiology: Diagnostic Neuroimaging, a Radiology: Neuroradiology, a Radiology: Nuclear Radiology, a Radiology: Pediatric Radiology, a Radiology: Therapeutic Radiology, a Radiology: Diagnostic Ultrasound, a Radiology: Radiation Oncology, and a Radiology: Diagnostic Radiology.