About Dr. Pile-Spellman John Pile-Spellman, M.D., F.A.C.R. is board certified in radiology. He is recognized as an international leader in interventional neuroradiology, specializing in the diagnosis, management, and treatment of cerebral aneurysms, strokes, tumors, vascular malformations, and the development of image-based services. Dr. Pile-Spellman has over 25 years of experience in developing high-impact, clinically relevant imaging and treatment paradigms through clinical care, research mentoring, and organizational leadership. He has been at the forefront of high-quality academic medicine, continuously adding to the knowledge and understanding of neurovascular diseases and striving to innovate and improve the management thereof.