Mark Rau, HEARING AID SPECIALI
NPI 1376722025 · Hearing Instrument Specialist · Eau Claire, WI
Mark Rau, HEARING AID SPECIALI is a Hearing Instrument Specialist provider in Eau Claire, WI (NPI 1376722025).
Provider details
- NPI number
- 1376722025
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Credential
- HEARING AID SPECIALI
- Sex
- Male
- Sole proprietor
- No
- License
- 1210060 (WI)
Specialties & taxonomies
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
18 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
- 2007-10-30
- Last updated
- 2007-10-30
Frequently asked questions
- What is Mark Rau's NPI number?
- Mark Rau's National Provider Identifier (NPI) is 1376722025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Rau's specialty?
- Mark Rau is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Mark Rau located?
- Mark Rau's practice location on file with NPPES is 2430 London Road, Eau Claire, WI 54701-6730.
- What is Mark Rau's phone number?
- The practice phone number listed in the NPPES registry for Mark Rau is (715) 832-5650.
- Is Mark Rau's NPI active?
- Yes — Mark Rau's NPI (1376722025) is active in the NPPES registry as of the last update on 2007-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.