Adolescent medicine is the branch of medicine that specializes in treating adolescents and youths. An adolescent medicine physician focuses on the problems of patients who have reached puberty and are in adolescence. This physician specializes in the care of adolescents, including illness, substance abuse prevention and counseling, psychosocial disorders (depression and self-esteem problems, eating disorders), reproductive health, and sexuality issues.

Doctor density varies by specialty and location. The United States has 3,926 practicing adolescent medicine doctors. Broken out by state, adolescent medicine doctor density in Alabama is 39, in Alaska is 3, in Arizona is 55, in Arkansas is 32, in California is 377, in Colorado is 39, in Connecticut is 106, in Delaware is 22, in District of Columbia is 33, in Florida is 211, in Georgia is 131, in Hawaii is 21, in Idaho is 11, in Illinois is 155, in Indiana is 71, in Iowa is 28, in Kansas is 27, in Kentucky is 87, in Louisiana is 72, in Maine is 22, in Maryland is 184, in Massachusetts is 150, in Michigan is 135, in Minnesota is 49, in Mississippi is 12, in Missouri is 63, in Montana is 8, in Nebraska is 18, in Nevada is 14, in New Hampshire is 16, in New Jersey is 276, in New Mexico is 8, in New York is 486, in North Carolina is 129, in North Dakota is 1, in Ohio is 161, in Oklahoma is 31, in Oregon is 23, in Pennsylvania is 156, in Rhode Island is 35, in South Carolina is 39, in South Dakota is 3, in Tennessee is 54, in Texas is 191, in Utah is 21, in Vermont is 16, in Virginia is 96, in Washington is 84, in West Virginia is 24, in Wisconsin is 43, and in Wyoming is 6.