Individual provider Active NPI

Katherine Emily Tillson, LAC, LCSW

  • Clinical Social Worker
  • Belgrade, MT
National Provider Identifier
1659944403
Registry record updated Dec 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
BBH-LCSW-LIC-50116 Issued in MT
Practice address
19 E Main St
Belgrade, MT 59714-3715
Phone
(406) 924-5754
NPI assigned
Jul 20, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 8, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X
Clinical Social Worker 1041C0700X BBH-LCSW-LIC-50116 MT Primary

Addresses

Primary practice location

19 E Main St
Belgrade, MT 59714-3715

Mailing address

19 E Main St
Belgrade, MT 59714-3715
Phone (406) 924-5754

Other practice location 1

208 S Broadway St
Manhattan, MT 59741-2241
Phone (415) 577-1740

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
I20211020002589 MT Practitioner - Clinical Social Worker 7810385036 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Bighorn Valley Health Center Incorporated CurrentSince Jan 22, 2025 Accepting new patients
Bighorn Valley Health Center, Incorporated CurrentSince Jan 22, 2025 Accepting new patients
Bighorn Valley Health Center, Incorporated CurrentSince Oct 11, 2021 Accepting new patients
Bighorn Valley Health Center, Incorporated CurrentSince Oct 11, 2021 Accepting new patients
Bighorn Valley Health Center, Incorporated Past Accepting new patients
Bighorn Valley Health Center Incorporated Past Accepting new patients
Bighorn Valley Health Center, Incorporated Past Accepting new patients
Bighorn Valley Health Center, Incorporated Past Accepting new patients
Bighorn Valley Health Center, Incorporated Past Accepting new patients
Bighorn Valley Health Center, Incorporated Past Accepting new patients
Bighorn Valley Health Center, Incorporated Past Accepting new patients
Bighorn Valley Health Center, Incorporated Past Accepting new patients
Bighorn Valley Health Center Incorporated Past Accepting new patients
Bighorn Valley Health Center Incorporated Past Accepting new patients
Bighorn Valley Health Center Incorporated Past Accepting new patients

Locations

19 E Main St
Belgrade, MT 59714
Phone (406) 222-1111

410 Triple Crown St
Rm A108
Belgrade, MT 59714
Phone (406) 388-3311

214 E Mendenhall St
Bozeman, MT 59715
Phone (406) 585-1360

915 Highland Blvd
Bozeman, MT 59715
Phone (406) 414-1720

1695 Tschache Ln
Bozeman, MT 59715
Phone (406) 585-1360

1515 W Bell St
Ste 15
Glendive, MT 59330
Phone (406) 345-5336

1223 N Center Ave
Hardin, MT 59034
Phone (406) 665-4103

16 N Miles Ave
Ste 101
Hardin, MT 59034
Phone (406) 237-8270

10 4th St W
Ste B
Hardin, MT 59034
Phone (406) 237-5845

311 W Main St
Lewistown, MT 59457
Phone (406) 535-6545

112 W Lewis St
Livingston, MT 59047
Phone (406) 222-1111

601 Main St
Miles City, MT 59301
Phone (406) 874-8700

Organizations & group practices 15

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.

View all 15

NPI Registry JSON

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

{
    "created_epoch": "1626739200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1659944403",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19 E MAIN ST",
            "city": "BELGRADE",
            "state": "MT",
            "postal_code": "597143715",
            "telephone_number": "406-924-5754"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19 E MAIN ST",
            "city": "BELGRADE",
            "state": "MT",
            "postal_code": "597143715",
            "telephone_number": "406-924-5754"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "208 S Broadway St",
            "address_purpose": "LOCATION",
            "city": "Manhattan",
            "state": "MT",
            "postal_code": "597412241",
            "country_code": "US",
            "telephone_number": "415-577-1740",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TILLSON",
        "first_name": "KATHERINE",
        "middle_name": "EMILY",
        "credential": "LAC, LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-07-20",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MT",
            "license": "BBH-LCSW-LIC-50116",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Belgrade, MT

Sources for this page

Verify at the official NPI Registry.