Sources and method

• CMS NPPES National Provider Identifier file (November 2026), Texas organizations with audiology, hearing instrument specialist, or hearing aid supplier taxonomies: 919 unique organization NPIs with a Texas practice address. Downloaded November 13, 2026.
• TDLR Audiologist license file and TDLR Fitter and Dispenser of Hearing Instruments license file, downloaded November 13, 2026. These files have names, license status, and county only, so we publish counts, not individual pages.

NPPES has no county. County is inferred from the ZIP code using county names on official Texas rosters.

What we change

We convert ALL-CAPS names and addresses to normal capitalization, format phone numbers, and give each listing a web address. We do not add ratings, reviews, prices, or rankings, and we do not accept payment to be listed or placed higher.