Directory source
The normalized directory is built from a preserved public-place export dated July 20, 2026. The owner confirmed the data current on August 20, 2026.
| Source rows | 23,025 |
|---|---|
| Operational rows | 21,050 |
| Eligible provider records | 13,875 |
| Published physical locations | 10,544 |
| Excluded non-operational | 1,975 |
| Excluded ambiguous or unrelated | 7,174 |
| Manual exclusions | 1 |
Transformations
5,153 records are organized across 1,822 shared-address groups. 3,187 website URLs and 2,356 booking URLs were normalized.
Primary health and regulatory references
- FDA: OTC Hearing Aids—What You Should Know
- NIDCD: Hearing Aids
- NIDCD: Over-the-Counter Hearing Aids
- ASHA: State-by-State Professional Information
Limitations
Contact details, personnel, services, hours, insurance participation, credentials, and business status can change. A source category is not license verification. Confirm material details directly.