Individual provider Active NPI

Nathaniel G Stahley

  • Clinical Social Worker
  • Billings, MT
National Provider Identifier
1538004148
Registry record updated Apr 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
Practice address
1220 Avenue C Apt a
Billings, MT 59102-3200
Phone
(406) 698-7993
NPI assigned
Apr 21, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X MT Primary

Addresses

Primary practice location

1220 Avenue C Apt a
Billings, MT 59102-3200

Mailing address

2831 Fort Missoula Rd Ste 203
Missoula, MT 59804-7479
Phone (406) 919-4330

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

NPI Registry JSON

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

{
    "created_epoch": "1776729600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776729600000",
    "number": "1538004148",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2831 FORT MISSOULA RD STE 203",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598047479",
            "telephone_number": "406-919-4330"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1220 AVENUE C APT A",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591023200",
            "telephone_number": "406-698-7993"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STAHLEY",
        "first_name": "NATHANIEL",
        "middle_name": "G",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-04-21",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MT",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Billings, MT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 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.