Related Pages David Siegel, MD, MPH, is a pediatric hematologist/oncologist and a Lieutenant Commander in the Commissioned Corps of the U.S. Public Health Service. He joined the Centers for Disease Control and Prevention as an Epidemic Intelligence Service Officer in the Division of Cancer Prevention and Control (DCPC) from 2016 to 2018 and remained in DCPC as a medical officer. Dr. Siegel focuses his work and research on pediatric, young adult, prostate, and tobacco-associated cancers and on using cancer registry data to improve disparities in clinical trial enrollment and outcomes. Dr. Siegel attended Washington University in St. Louis for his undergraduate studies and the George Washington University School of Medicine for medical school. He completed a pediatric residency and a pediatric hematology/oncology fellowship at Emory University and Children’s Healthcare of Atlanta.