Craig MacArthur, MD

Craig MacArthur, MD, PhD, is a compassionate and highly skilled physician at the Lee Health Cancer Institute, specializing in Pediatric Hematology/Oncology and Pediatric Pulmonology. With clinical expertise in treating pediatric cancer and blood disorders—including leukemia, lymphoma, brain tumors, solid tumors, soft tissue tumors, sickle cell disease, hemophilia, and other bleeding and clotting disorders—Dr. MacArthur is committed to delivering advanced, personalized care to children, adolescents, and young adults facing serious illness. He completed his medical degree at Washington University School of Medicine in St. Louis, Missouri, followed by a pediatric residency and a fellowship in pediatric hematology-oncology at Children's Hospital Los Angeles. Dr. MacArthur is board-certified in Pediatrics, Pediatric Hematology-Oncology, and Hospice & Palliative Medicine. Dr. MacArthur’s approach blends cutting-edge science with deep empathy. He focuses on the whole child, supporting families every step of the way through diagnosis, treatment, and recovery. Whether guiding young patients through complex cancer care or managing chronic blood disorders, he is dedicated to improving quality of life and long-term outcomes. His passion for healing, research, and family-centered care makes him a trusted and valued member of the Lee Health team, and a beacon of hope for families across Southwest Florida.