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 85 practicing otologists / neurotologists. Broken out by state, otology / neurotology doctor density in Alabama is 1, in Arizona is 4, in California is 15, in Colorado is 3, in Connecticut is 3, in District of Columbia is 1, in Florida is 6, in Georgia is 1, in Hawaii is 1, in Illinois is 6, in Indiana is 4, in Iowa is 2, in Kansas is 3, in Louisiana is 4, in Maryland is 4, in Massachusetts is 5, in Michigan is 11, in Minnesota is 1, in Mississippi is 2, in Missouri is 9, in Montana is 1, in Nebraska is 1, in New Jersey is 1, in New York is 9, in North Carolina is 5, in Ohio is 10, in Oklahoma is 1, in Oregon is 2, in Pennsylvania is 7, in South Carolina is 1, in Tennessee is 2, in Texas is 12, in Utah is 3, in Virginia is 4, in Washington is 3, and in Wisconsin is 3.