John Sleasman is a Pediatric Allergy and Immunologist and a Pediatrics doctor in Durham, North Carolina. Dr. Sleasman is highly rated in 7 conditions, according to our data. His top areas of expertise are DiGeorge Syndrome, Severe Combined Immunodeficiency (SCID), Primary Immunodeficiency (PID), and HIV/AIDS. Dr. Sleasman is currently accepting new patients.