Pediatric allergy-immunology is the field of medicine that deals with problems caused by allergies and other disorders of the immune system. A pediatric allergist-immunologist evaluates, diagnoses, and manages disorders of the immune system in infants, children and adolescents. Some conditions that this specialist treats include asthma, rhinitis, eczema, and allergic reactions to drugs, foods and insect bites. Other areas covered by an allergist-immunologist are immune deficiency diseases, problems related to autoimmune diseases, and organ transplantation.

Doctor density varies by specialty and location. The United States has 274 practicing pediatric allergy and immunologists. Broken out by state, pediatric allergy and immunology doctor density in Alabama is 6, in Arizona is 5, in Arkansas is 4, in California is 38, in Colorado is 7, in Connecticut is 12, in Delaware is 2, in District of Columbia is 7, in Florida is 14, in Georgia is 5, in Hawaii is 1, in Illinois is 28, in Indiana is 6, in Iowa is 1, in Kansas is 4, in Kentucky is 3, in Louisiana is 6, in Maine is 2, in Maryland is 16, in Massachusetts is 7, in Michigan is 13, in Minnesota is 7, in Mississippi is 3, in Missouri is 14, in Nebraska is 2, in Nevada is 1, in New Jersey is 9, in New Mexico is 2, in New York is 45, in North Carolina is 8, in North Dakota is 2, in Ohio is 15, in Oklahoma is 1, in Oregon is 2, in Pennsylvania is 22, in Rhode Island is 2, in Tennessee is 6, in Texas is 26, in Utah is 2, in Vermont is 1, in Virginia is 14, in Washington is 3, and in Wisconsin is 16.