Individual provider Active NPI

Mario Magallon

  • Addiction (Substance Use Disorder) Counselor
  • Claremont, CA
National Provider Identifier
1558275669
Registry record updated Sep 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
Practice address
650 S Indian Hill Blvd
Claremont, CA 91711-5444
Phone
(909) 422-2222
NPI assigned
Sep 28, 2026
Last updated
Sep 28, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 28, 2026

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 CA Primary

Addresses

Primary practice location

650 S Indian Hill Blvd
Claremont, CA 91711-5444

Mailing address

3865 Lindsay St
Riverside, CA 92509-2526

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1790553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790553600000",
    "number": "1558275669",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3865 LINDSAY ST",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925092526"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "650 S INDIAN HILL BLVD",
            "city": "CLAREMONT",
            "state": "CA",
            "postal_code": "917115444",
            "telephone_number": "909-422-2222"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAGALLON",
        "first_name": "MARIO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-09-28",
        "last_updated": "2026-09-28",
        "certification_date": "2026-09-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Claremont, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.