Gregory N. Wiersema, MST-CCC/A
NPI 1831195361ActiveIndividual· Audiologist· Fond Du Lac, WI
Audiologist (MST-CCC/A) in Fond Du Lac, Wisconsin, licensed in WI, with an NPI issued in June 2005.
Overview
| NPI | 1831195361 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MST-CCC/A |
| Sole proprietor | No |
| NPI issued | Jun 21, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Audiologist Primary | 231H00000X | 55-156 | WI |
| Audiologist-Hearing Aid Fitter | 237600000X | 55-156 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
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