Dr. Johnson is an established and dedicated emergency imager with nearly a decade of clinical experience. Administratively, Dr. Johnson is also the Director for the Emergency Imaging Fellowship and chair of the Radiology-Emergency Medicine Operations (RADEMO) group.
He is an active member of the American Society of Emergency Radiology (ASER) and chairs the Maintenance of Certification (MOC) Committee. His contributions to the Radiological Society of North American include work on the Scientific Program Committee. Dr. Johnson is a member of the editorial board for Clinical Imaging.