Nicole Nghiem, M.D.

Dr. Keup specializes in pediatric radiology at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2019.Dr. Keup also serves in the U.S. Army Reserve. He is currently attached to the Army Medical Department Personnel Management Command in Forest Park, Georgia, and is a Lieutenant Colonel in the Medical Corps.Dr. Keup earned his medical degree from the University of Missouri in Columbia, Missouri. He completed an internship in internal medicine from the University of Missouri-Kansas City in Kansas City, Missouri, followed by a residency in diagnostic radiology from the University of Missouri-Kansas City and a fellowship in pediatric radiology from Children’s Mercy Hospital in Kansas City, Missouri.

Dr. Chamizo is the medical director for pathology and laboratory medicine at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 1992.Dr. Chamizo earned his medical degree at Ross University and completed his anatomic and clinical pathology residency and his fellowship in immunopathology at University of Miami/Jackson Memorial Medical Center.