Individual provider Active NPI

Karmen McKenzie Frehner, CSW, SUDC

  • Clinical Social Worker
  • Salt Lake City, UT
National Provider Identifier
1558075119
Registry record updated May 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
14140634-3502 Issued in UT
Practice address
1875 S Redwood Rd
Salt Lake City, UT 84104-5112
Phone
(801) 363-9400
NPI assigned
Jan 9, 2023
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 29, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Community Health Worker 172V00000X
Clinical Social Worker 1041C0700X 14140634-3502 UT Primary

Addresses

Primary practice location

1875 S Redwood Rd
Salt Lake City, UT 84104-5112

Mailing address

1875 S Redwood Rd
Salt Lake City, UT 84104-5112

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
14140634-3502UTMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1673222400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748476800000",
    "number": "1558075119",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1875 S REDWOOD RD",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841045112"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1875 S REDWOOD RD",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841045112",
            "telephone_number": "801-363-9400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FREHNER",
        "first_name": "KARMEN",
        "middle_name": "MCKENZIE",
        "credential": "CSW, SUDC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-01-09",
        "last_updated": "2025-05-29",
        "certification_date": "2025-05-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "172V00000X",
            "taxonomy_group": "",
            "desc": "Community Health Worker",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "UT",
            "license": "14140634-3502",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Salt Lake City, UT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 29, 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.