Individual provider Active NPI

John Contreras

  • Day Training/Habilitation Specialist
  • Los Angeles, CA
National Provider Identifier
1104342179
Registry record updated Aug 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Day Training/Habilitation SpecialistTaxonomy code 373H00000X
Practice address
4211 Avalon Blvd
Los Angeles, CA 90011-5622
Phone
(323) 886-5081
Fax
(323) 582-2251
NPI assigned
Aug 21, 2017
Reactivated
Jul 29, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 2026

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

Specialties & licenses 2

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

Addresses

Primary practice location

4211 Avalon Blvd
Los Angeles, CA 90011-5622

Mailing address

4211 Avalon Blvd
Los Angeles, CA 90011-5622
Phone (323) 582-2251

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": "1503273600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786665600000",
    "number": "1104342179",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4211 AVALON BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900115622",
            "telephone_number": "323-582-2251",
            "fax_number": "323-582-2251"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4211 AVALON BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900115622",
            "telephone_number": "323-886-5081",
            "fax_number": "323-582-2251"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CONTRERAS",
        "first_name": "JOHN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-08-21",
        "last_updated": "2026-08-14",
        "certification_date": "2026-08-14",
        "deactivation_date": "2026-06-22",
        "reactivation_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": "CA",
            "license": null,
            "primary": false
        },
        {
            "code": "373H00000X",
            "taxonomy_group": "",
            "desc": "Day Training/Habilitation Specialist",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 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.