Individual provider Active NPI

Alyssa De Los Santos

  • Social Worker
  • Costa Mesa, CA
National Provider Identifier
1265150262
Registry record updated Apr 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
ASW131826 Issued in CA
Practice address
940 S Coast Dr Ste 260
Costa Mesa, CA 92626-7719
Phone
(949) 524-4313
NPI assigned
Aug 16, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X ASW131826 CA Primary

Addresses

Primary practice location

940 S Coast Dr Ste 260
Costa Mesa, CA 92626-7719

Mailing address

940 S Coast Dr Ste 260
Costa Mesa, CA 92626-7719
Phone (949) 524-4313

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
ASW131826CAMDSocial Worker

NPI Registry JSON

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

{
    "created_epoch": "1660608000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776038400000",
    "number": "1265150262",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "940 S COAST DR STE 260",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926267719",
            "telephone_number": "949-524-4313"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "940 S COAST DR STE 260",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926267719",
            "telephone_number": "949-524-4313"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DE LOS SANTOS",
        "first_name": "ALYSSA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-08-16",
        "last_updated": "2026-04-13",
        "certification_date": "2026-04-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "ASW131826",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Costa Mesa, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 13, 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.