Individual provider Active NPI

Cristina Williams

  • Day Training/Habilitation Specialist
  • Lancaster, CA
National Provider Identifier
1629269204
Registry record updated Jan 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Day Training/Habilitation SpecialistTaxonomy code 373H00000X
Practice address
805 Landsford St
Lancaster, CA 93535-2724
Phone
(323) 394-2584
NPI assigned
Aug 7, 2007
Reactivated
Oct 6, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 16, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Day Training/Habilitation Specialist 373H00000X CA Primary
Case Manager/Care Coordinator 171M00000X

Addresses

Primary practice location

805 Landsford St
Lancaster, CA 93535-2724

Mailing address

805 Landsford St
Lancaster, CA 93535-2724
Phone (323) 394-2584

Other identifiers 2

IdentifierTypeStateIssuer
7420MedicaidCA
7068MedicaidCA

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

NPI Registry JSON

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

{
    "created_epoch": "1186444800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1629269204",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "805 LANDSFORD ST",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935352724",
            "telephone_number": "323-394-2584"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "805 LANDSFORD ST",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935352724",
            "telephone_number": "323-394-2584"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "CRISTINA",
        "name_prefix": "Ms.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-08-07",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "deactivation_date": "2025-07-15",
        "reactivation_date": "2025-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "373H00000X",
            "taxonomy_group": "",
            "desc": "Day Training/Habilitation Specialist",
            "state": "CA",
            "license": null,
            "primary": true
        },
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7420",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7068",
            "state": "CA"
        }
    ],
    "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 Jan 16, 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.