Individual provider Active NPI

Justin Mallen, MSW, LSW

  • Social Worker
  • Wheat Ridge, CO
National Provider Identifier
1710509047
Registry record updated Jan 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
LSW.0009924579 Issued in CO
Practice address
6490 W 44TH Ave
Wheat Ridge, CO 80033-4738
Phone
(720) 432-9576
NPI assigned
May 8, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 21, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Counselor 101Y00000X
Social Worker 104100000X LSW.0009924579 CO Primary

Addresses

Primary practice location

6490 W 44TH Ave
Wheat Ridge, CO 80033-4738

Mailing address

871 Lipan St
Denver, CO 80204-4312
Phone (720) 432-9576

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
LSW.0009924579COMDSocial Worker

NPI Registry JSON

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

{
    "created_epoch": "1588896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1737417600000",
    "number": "1710509047",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "871 LIPAN ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802044312",
            "telephone_number": "720-432-9576"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6490 W 44TH AVE",
            "city": "WHEAT RIDGE",
            "state": "CO",
            "postal_code": "800334738",
            "telephone_number": "720-432-9576"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MALLEN",
        "first_name": "JUSTIN",
        "credential": "MSW, LSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-05-08",
        "last_updated": "2025-01-21",
        "certification_date": "2025-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CO",
            "license": "LSW.0009924579",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Wheat Ridge, CO

Sources for this page

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