American Academy of Audiology
https://www.audiology.org/consumers-and-patients/what-is-an-audiologist/audiologists-vs-hearing-instrument-specialists-vs-ents/
Audiologists vs. Hearing Instrument Specialists vs. ENTs - American ...
Audiologists are trained to understand and program hearing aids, cochlear implants, assistive listening devices, bone-anchored hearing aids, and more.