Dr. Caldwell specializes in pediatric hematology-oncology in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. He joined the hospital staff in 2021.
Dr. Caldwell earned his medical degree from the University of Florida College of Medicine in Gainesville, Florida. He completed a pediatric residency from Boston Combined Residency Program at Boston Children’s Hospital/Boston Medical Center. He then completed a pediatric fellowship in hematology-oncology from St. Jude Children’s Research Hospital in Memphis, Tennessee.