Mari Baker, HIS
NPI 1992929756 · Hearing Instrument Specialist · Wauwatosa, WI
Mari Baker, HIS is a Hearing Instrument Specialist provider in Wauwatosa, WI (NPI 1992929756).
Provider details
- NPI number
- 1992929756
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Credential
- HIS
- Sex
- Female
- Sole proprietor
- No
- License
- HA-1057 (ID)
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
19 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
- 2007-04-12
- Last updated
- 2015-10-27
Frequently asked questions
- What is Mari Baker's NPI number?
- Mari Baker's National Provider Identifier (NPI) is 1992929756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mari Baker's specialty?
- Mari Baker is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Mari Baker located?
- Mari Baker's practice location on file with NPPES is 3180 N 124th St, Wauwatosa, WI 53222-4062.
- What is Mari Baker's phone number?
- The practice phone number listed in the NPPES registry for Mari Baker is (414) 442-6000.
- Is Mari Baker's NPI active?
- Yes — Mari Baker's NPI (1992929756) is active in the NPPES registry as of the last update on 2015-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.