Individual provider Active NPI

Josefina Sebastian

  • Addiction (Substance Use Disorder) Counselor
  • Los Angeles, CA
National Provider Identifier
1396679080
Registry record updated Sep 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
RT1445960626 Issued in CA
Practice address
453 S Indiana St
Los Angeles, CA 90063-3908
Phone
(877) 507-6242
NPI assigned
Jun 9, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 9, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Addiction (Substance Use Disorder) Counselor 101YA0400X RT1445960626 CA Primary

Addresses

Primary practice location

453 S Indiana St
Los Angeles, CA 90063-3908

Mailing address

453 S Indiana St
Los Angeles, CA 90063-3908
Phone (877) 507-6242

Other practice location 1

4701 E Cesar E Chavez Ave
Los Angeles, CA 90022-1209
Phone (323) 881-3799

Other names 1

  • Josefina Sebastian Domingo Other name

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

Practice roles

OrganizationSpecialtyStatusNew patients
Social Model Recovery Systems, Inc. Past Accepting new patients
Social Model Recovery Systems, Inc. Past Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1780963200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788912000000",
    "number": "1396679080",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "453 S INDIANA ST",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900633908",
            "telephone_number": "877-507-6242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "453 S INDIANA ST",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900633908",
            "telephone_number": "877-507-6242"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4701 E Cesar E Chavez Ave",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900221209",
            "country_code": "US",
            "telephone_number": "323-881-3799",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEBASTIAN",
        "first_name": "JOSEFINA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-06-09",
        "last_updated": "2026-09-09",
        "certification_date": "2026-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "RT1445960626",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JOSEFINA",
            "last_name": "SEBASTIAN DOMINGO",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

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 Sep 9, 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.