Individual provider Active NPI

Callie R Heiskell, LCSW

  • Clinical Social Worker
  • Missoula, MT
National Provider Identifier
1629735048
Registry record updated Sep 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
87874 Issued in MT
Practice address
800 Kensington Ave Ste 201
Missoula, MT 59801-5670
Phone
(406) 871-6876
NPI assigned
Nov 19, 2021
Last updated
Sep 30, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 30, 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 87874 MT Primary

Addresses

Primary practice location

800 Kensington Ave Ste 201
Missoula, MT 59801-5670

Mailing address

2133 S 5TH St W
Missoula, MT 59801-2209
Phone (406) 871-6876

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

State licenses

LicenseStateTypeSpecialty
87874MTMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Callie Heiskell LLC Current Accepting new patients

Locations

800 Kensington Ave
Ste 201
Missoula, MT 59801
Phone (406) 213-5070

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1637280000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790726400000",
    "number": "1629735048",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2133 S 5TH ST W",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598012209",
            "telephone_number": "406-871-6876"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 KENSINGTON AVE STE 201",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598015670",
            "telephone_number": "406-871-6876"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HEISKELL",
        "first_name": "CALLIE",
        "middle_name": "R",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-11-19",
        "last_updated": "2026-09-30",
        "certification_date": "2026-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MT",
            "license": "87874",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Missoula, MT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 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.