IndividualActive
Brian Barnhart, HIS
NPI 1639019680 · Hearing Instrument Specialist · Saint Charles, MO
Provider details
- NPI number
- 1639019680
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Credential
- HIS
- Sex
- Male
- Sole proprietor
- No
- License
- 2026005757 (MO)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
Established profile(57/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
607 S 5th St
Saint Charles, MO 63301-2911
Phone: (636) 487-5881
Street-level locationGet directions
Mailing address
330 Devonshire Ct
Saint Peters, MO 63376-1544
Additional practice locations (1)
- 929 N Highway 67 StFlorissant, MO 63031-2917Phone: (314) 838-5959
Registry dates
- Enumerated
- 2026-03-30
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.