William Otto Elliott, DDS

Primary specialty

DentistTaxonomy code 122300000X

License

DEN-DEN-LIC-33201 Issued in MT

Practice address

401 Railroad St W
Missoula, MT 59802-4178

Phone

(406) 258-4185

NPI assigned

Jul 26, 2022

Last updated

Apr 23, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1658793600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1568198299",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2210 CENTRAL PL APT B",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598045125",
            "telephone_number": "651-285-2797"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 RAILROAD ST W",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598024178",
            "telephone_number": "406-258-4185"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "701 Hospital Loop Bldg 9008",
            "address_purpose": "LOCATION",
            "city": "Fairchild AFB",
            "state": "WA",
            "postal_code": "990118704",
            "country_code": "US",
            "telephone_number": "651-285-2797",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ELLIOTT",
        "first_name": "WILLIAM",
        "middle_name": "OTTO",
        "credential": "DDS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-07-26",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "MT",
            "license": "DEN-DEN-LIC-33201",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Dentist in Missoula, MT
• Providers in Missoula, MT by specialty
• Dentist in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 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.