Individual provider Active NPI

Gina Santillan

  • Clinical Social Worker
  • Orange, CA
National Provider Identifier
1508524117
Registry record updated Sep 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
109807 Issued in CA
Practice address
4000 W Metropolitan Dr Ste 404
Orange, CA 92868-3504
Phone
(714) 645-8045
NPI assigned
Dec 1, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 109807 CA Primary

Addresses

Primary practice location

4000 W Metropolitan Dr Ste 404
Orange, CA 92868-3504

Mailing address

PO Box 2643
Anaheim, CA 92814-0643

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
109807CAMDPediatric Dentist

Practice roles

OrganizationSpecialtyStatusNew patients
County of Orange CurrentSince Dec 1, 2021 Accepting new patients

Locations

4000 W Metropolitan Dr
Ste 404
Orange, CA 92868
Phone (714) 480-5160

2200 W Orangewood Ave
Ste 212
Orange, CA 92868
Phone (714) 456-8040

Organizations & group practices 1

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": "1638316800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758067200000",
    "number": "1508524117",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2643",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928140643"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 W METROPOLITAN DR STE 404",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683504",
            "telephone_number": "714-645-8045"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SANTILLAN",
        "first_name": "GINA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-12-01",
        "last_updated": "2025-09-17",
        "certification_date": "2025-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "109807",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 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.