Individual provider Active NPI

Violet Thornton, CADC II

  • Rehabilitation Practitioner
  • San Jose, CA
National Provider Identifier
1821683012
Registry record updated Dec 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rehabilitation PractitionerTaxonomy code 225400000X
Practice address
425 E Santa Clara St
San Jose, CA 95113-1936
Phone
(408) 693-0271
Fax
(408) 800-0495
NPI assigned
Mar 9, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 29, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X A055111223 CA
Rehabilitation Practitioner 225400000X CA Primary
Case Manager/Care Coordinator 171M00000X

Addresses

Primary practice location

425 E Santa Clara St
San Jose, CA 95113-1936

Mailing address

425 E Santa Clara St
San Jose, CA 95113-1936
Phone (408) 693-0271

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
A055111223CAMDAddiction (Substance Use Disorder) Counselor

NPI Registry JSON

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

{
    "created_epoch": "1615248000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766966400000",
    "number": "1821683012",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "425 E SANTA CLARA ST",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951131936",
            "telephone_number": "408-693-0271",
            "fax_number": "408-800-0495"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "425 E SANTA CLARA ST",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951131936",
            "telephone_number": "408-693-0271",
            "fax_number": "408-800-0495"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THORNTON",
        "first_name": "VIOLET",
        "credential": "CADC II",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-09",
        "last_updated": "2025-12-29",
        "certification_date": "2025-12-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "A055111223",
            "primary": false
        },
        {
            "code": "225400000X",
            "taxonomy_group": "",
            "desc": "Rehabilitation Practitioner",
            "state": "CA",
            "license": null,
            "primary": true
        },
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Jose, CA

Sources for this page

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