Individual provider Active NPI

Denise Marie Johnson

  • Clinical Social Worker
  • Lancaster, CA
National Provider Identifier
1346530946
Registry record updated Apr 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
ASW117963 Issued in CA
Practice address
42455 10TH St W Ste 103
Lancaster, CA 93534-7060
Phone
(661) 341-3900
NPI assigned
Apr 15, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 23, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X ASW78412 CA
Clinical Social Worker 1041C0700X ASW117963 CA Primary

Addresses

Primary practice location

42455 10TH St W Ste 103
Lancaster, CA 93534-7060

Mailing address

42455 10TH St W Ste 103
Lancaster, CA 93534-7060
Phone (661) 341-3900

Other practice location 1

21545 Centre Pointe Pkwy
Santa Clarita, CA 91350-2947
Phone (661) 259-9439 ext. 9439

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
ASW78412CAMDMental Health Counselor
ASW117963CAMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1302825600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1346530946",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "42455 10TH ST W STE 103",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935347060",
            "telephone_number": "661-341-3900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "42455 10TH ST W STE 103",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935347060",
            "telephone_number": "661-341-3900"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "21545 Centre Pointe Pkwy",
            "address_purpose": "LOCATION",
            "city": "Santa Clarita",
            "state": "CA",
            "postal_code": "913502947",
            "country_code": "US",
            "telephone_number": "661-259-9439 x9439",
            "fax_number": "661-259-9658",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "DENISE",
        "middle_name": "MARIE",
        "name_prefix": "Ms.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-04-15",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "ASW78412",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "ASW117963",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lancaster, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 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.