Justen Mark Schaak, LCSW, LAC

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

72697 Issued in MT

Practice address

430 E Park St
Livingston, MT 59047-2755

Phone

(406) 222-2812

NPI assigned

Jul 20, 2023

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Justen Schaak LCSW Lac LLC

  • Clinical Social Worker
  • Bozeman, MT
  • NPI 1942160551

  Addiction (Substance Use Disorder)

  NPD Authorized official
• Southwest Chemical Dependency Program

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Livingston, MT
  • NPI 1649300567
  NPD (past)

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

{
    "created_epoch": "1689811200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742515200000",
    "number": "1790465151",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2651 TRADE WIND LN APT 12",
            "city": "BOZEMAN",
            "state": "MT",
            "postal_code": "597184633",
            "telephone_number": "406-579-4885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "430 E PARK ST",
            "city": "LIVINGSTON",
            "state": "MT",
            "postal_code": "590472755",
            "telephone_number": "406-222-2812"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "205 Haggerty Ln Ste 245",
            "address_purpose": "LOCATION",
            "city": "Bozeman",
            "state": "MT",
            "postal_code": "597158800",
            "country_code": "US",
            "telephone_number": "406-579-4885",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SCHAAK",
        "first_name": "JUSTEN",
        "middle_name": "MARK",
        "credential": "LCSW, LAC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-07-20",
        "last_updated": "2025-03-21",
        "certification_date": "2025-03-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "MT",
            "license": "63794",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MT",
            "license": "72697",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Saddle Mountain Home Care
• Sage Clinical Services
• Kim Salloux, LAC LMT
• Alexandria Saunders, LCPC, LAC
• Peggy C Scanson, APRN
• Shawna Elizabeth Schaar, MSW
• Michael Warren Schaub, PHARM.D.
• Gregg Wendell Schellack, D.O.
• Miles Patrick Schneeman, PT
• Michael L Schoelch, D.M.D.

• Clinical Social Worker in Livingston, MT
• Providers in Livingston, MT by specialty
• Clinical Social Worker in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 21, 2025; 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.