Individual provider Active NPI

Thaddeus J Widmer, L.C.S.W

  • Clinical Social Worker
  • Hamilton, MT
National Provider Identifier
1376783142
Registry record updated Mar 6, 2009
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
860 Issued in MT
Practice address
150 Morning Star Way
Hamilton, MT 59840-3604
Phone
(406) 531-8846
NPI assigned
Mar 5, 2009
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 6, 2009

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 860 MT Primary

Addresses

Primary practice location

150 Morning Star Way
Hamilton, MT 59840-3604

Mailing address

512 S 4TH St
Hamilton, MT 59840-2739
Phone (406) 531-8846

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260312000954 MT Practitioner - Clinical Social Worker 7719469998 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2005
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

PO Box
Suite 676
Hamilton, MT 59840

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
860MTMDAddiction (Substance Use Disorder) Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Therapeutic Mentoring PC Clinical CurrentSince Dec 17, 2025 Accepting new patients

Locations

170 S 2nd St
Ste C
Hamilton, MT 59840
Phone (406) 370-3483

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1236211200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1236297600000",
    "number": "1376783142",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "512 S 4TH ST",
            "city": "HAMILTON",
            "state": "MT",
            "postal_code": "598402739",
            "telephone_number": "406-531-8846"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "150 MORNING STAR WAY",
            "city": "HAMILTON",
            "state": "MT",
            "postal_code": "598403604",
            "telephone_number": "406-531-8846"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WIDMER",
        "first_name": "THADDEUS",
        "middle_name": "J",
        "name_prefix": "Mr.",
        "credential": "L.C.S.W",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-03-05",
        "last_updated": "2009-03-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MT",
            "license": "860",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hamilton, MT

Sources for this page

Verify at the official NPI Registry.