Otology-neurotology is the study and medical care of diseases of the ear. An otologist and a neurotologist are physicians who treat chronic ear disease, hearing loss, dizziness, tinnitus, and facial nerve disorders. They also diagnose and treat other disorders of hearing and balance, and have special knowledge and skills in anatomy and physiology of the ear, epidemiology, pathology, genetics, immunology and microbiology.

Doctor density varies by specialty and location. The United States has 243 practicing otologists / neurotologists. Broken out by state, otology / neurotology doctor density in Alabama is 3, in Arizona is 6, in Arkansas is 6, in California is 35, in Colorado is 5, in Connecticut is 5, in District of Columbia is 2, in Florida is 19, in Georgia is 9, in Hawaii is 2, in Idaho is 1, in Illinois is 10, in Indiana is 17, in Iowa is 3, in Kansas is 4, in Kentucky is 12, in Louisiana is 7, in Maryland is 6, in Massachusetts is 12, in Michigan is 20, in Minnesota is 8, in Mississippi is 3, in Missouri is 13, in Montana is 1, in Nebraska is 2, in Nevada is 2, in New Hampshire is 3, in New Jersey is 4, in New Mexico is 2, in New York is 21, in North Carolina is 11, in Ohio is 17, in Oklahoma is 6, in Oregon is 7, in Pennsylvania is 12, in South Carolina is 6, in South Dakota is 2, in Tennessee is 9, in Texas is 26, in Utah is 5, in Virginia is 14, in Washington is 6, in West Virginia is 4, and in Wisconsin is 9.