Individual provider Active NPI

Celest Larson, MSW, LCSW, LAC, QMHP

  • Addiction (Substance Use Disorder) Counselor
  • Sioux Falls, SD
National Provider Identifier
1972479319
Registry record updated Oct 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
25032042 Issued in SD
Practice address
2412 S Cliff Ave
Sioux Falls, SD 57105-4031
Phone
(605) 322-4079
NPI assigned
Oct 14, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 14, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 6661 SD
Addiction (Substance Use Disorder) Counselor 101YA0400X 25032042 SD Primary

Addresses

Primary practice location

2412 S Cliff Ave
Sioux Falls, SD 57105-4031

Mailing address

2412 S Cliff Ave
Sioux Falls, SD 57105-4031
Phone (605) 322-4079

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
25032042SDMDAddiction (Substance Use Disorder) Counselor
6661SDMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Greg E Brostad, LLC PastSince Oct 21, 2025 Accepting new patients
Avera McKennan PastSince Oct 21, 2025 Accepting new patients

Organizations & group practices 2

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": "1760400000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760400000000",
    "number": "1972479319",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2412 S CLIFF AVE",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571054031",
            "telephone_number": "605-322-4079"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2412 S CLIFF AVE",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571054031",
            "telephone_number": "605-322-4079"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARSON",
        "first_name": "CELEST",
        "credential": "MSW, LCSW, LAC, QMHP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-14",
        "last_updated": "2025-10-14",
        "certification_date": "2025-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "SD",
            "license": "6661",
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "SD",
            "license": "25032042",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sioux Falls, SD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 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.