Individual provider Active NPI

Brian Everett Barnhart, HIS

  • Hearing Instrument Specialist
  • Saint Charles, MO
National Provider Identifier
1639019680
Registry record updated Mar 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hearing Instrument SpecialistTaxonomy code 237700000X
License
2026005757 Issued in MO
Practice address
607 S 5TH St
Saint Charles, MO 63301-2911
Phone
(636) 487-5881
NPI assigned
Mar 30, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 30, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hearing Instrument Specialist 237700000X 2026005757 MO Primary

Addresses

Primary practice location

607 S 5TH St
Saint Charles, MO 63301-2911

Mailing address

330 Devonshire CT
Saint Peters, MO 63376-1544
Phone (636) 487-5881

Other practice location 1

929 N Highway 67 St
Florissant, MO 63031-2917
Phone (314) 838-5959

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
2026005757MOMDHearing Instrument Specialist

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1774828800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1639019680",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 DEVONSHIRE CT",
            "city": "SAINT PETERS",
            "state": "MO",
            "postal_code": "633761544",
            "telephone_number": "636-487-5881"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "607 S 5TH ST",
            "city": "SAINT CHARLES",
            "state": "MO",
            "postal_code": "633012911",
            "telephone_number": "636-487-5881"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "929 N Highway 67 St",
            "address_purpose": "LOCATION",
            "city": "Florissant",
            "state": "MO",
            "postal_code": "630312917",
            "country_code": "US",
            "telephone_number": "314-838-5959",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BARNHART",
        "first_name": "BRIAN",
        "middle_name": "EVERETT",
        "name_prefix": "Mr.",
        "credential": "HIS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-03-30",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "237700000X",
            "taxonomy_group": "",
            "desc": "Hearing Instrument Specialist",
            "state": "MO",
            "license": "2026005757",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Charles, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.