Individual provider Active NPI

Christina Trepagnier

  • Addiction (Substance Use Disorder) Counselor
  • Upland, CA
National Provider Identifier
1528818366
Registry record updated Oct 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
R1540311223 Issued in CA
Practice address
1260 E Arrow Hwy BLDG C
Upland, CA 91786-4987
Phone
(909) 932-1069
NPI assigned
Mar 25, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X R1540311223 CA Primary

Addresses

Primary practice location

1260 E Arrow Hwy BLDG C
Upland, CA 91786-4987

Mailing address

18612 Santa Ana Ave
Bloomington, CA 92316-2639
Phone (909) 421-7120

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
R1540311223CAMDAddiction (Substance Use Disorder) Counselor

NPI Registry JSON

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

{
    "created_epoch": "1711324800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761696000000",
    "number": "1528818366",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18612 SANTA ANA AVE",
            "city": "BLOOMINGTON",
            "state": "CA",
            "postal_code": "923162639",
            "telephone_number": "909-421-7120"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1260 E ARROW HWY BLDG C",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917864987",
            "telephone_number": "909-932-1069"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TREPAGNIER",
        "first_name": "CHRISTINA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-03-25",
        "last_updated": "2025-10-29",
        "certification_date": "2025-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "R1540311223",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Upland, CA

Sources for this page

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