Gregory Wiersema, MST-CCC/A
NPI 1831195361 · Audiologist · Fond Du Lac, WI
Gregory Wiersema, MST-CCC/A is a Audiologist provider in Fond Du Lac, WI (NPI 1831195361).
Provider details
- NPI number
- 1831195361
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- MST-CCC/A
- Sex
- Male
- License
- 55-156 (WI)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-21
- Last updated
- 2025-09-11
Frequently asked questions
- What is Gregory Wiersema's NPI number?
- Gregory Wiersema's National Provider Identifier (NPI) is 1831195361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Wiersema's specialty?
- Gregory Wiersema is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is Gregory Wiersema located?
- Gregory Wiersema's practice location on file with NPPES is 221 Fond Du Lac Ave, Fond Du Lac, WI 54935-5303.
- What is Gregory Wiersema's phone number?
- The practice phone number listed in the NPPES registry for Gregory Wiersema is (920) 923-4678.
- Is Gregory Wiersema's NPI active?
- Yes — Gregory Wiersema's NPI (1831195361) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.