John MacKenzie, MD About John MacKenzie, MD Titles Pediatric Radiology Fellow Certifications Diagnostic Radiology – American Board of Radiology Education & training Graduate Degree Stanford University, Stanford, Cal. Medical Degree Albert Einstein College of Medicine, New York, NY Internship 2000 - 2001 Hospital of the University of Pennsylvania, Philadelphia, Pa. Residency 2001 - 2005 Brigham and Women's Hospital, Boston, Mass. Fellowship 2006 - 2007 Children's Hospital of Philadelphia, Philadelphia, Pa.