Individual provider Active NPI

Maria Aiza Layug

  • Licensed Vocational Nurse
  • San Francisco, CA
National Provider Identifier
1619886769
Registry record updated Sep 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Licensed Vocational NurseTaxonomy code 164X00000X
License
689132 Issued in CA
Practice address
4150 Clement St
San Francisco, CA 94121-1563
Phone
(415) 221-4810
NPI assigned
Sep 3, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Licensed Vocational NurseGroup: 193400000X SINGLE SPECIALTY GROUP 164X00000X 689132 CA Primary

Addresses

Primary practice location

4150 Clement St
San Francisco, CA 94121-1563

Mailing address

274 Gateway Dr
Pacifica, CA 94044-1203
Phone (650) 219-5846

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": "1788393600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788393600000",
    "number": "1619886769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "274 GATEWAY DR",
            "city": "PACIFICA",
            "state": "CA",
            "postal_code": "940441203",
            "telephone_number": "650-219-5846"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4150 CLEMENT ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941211563",
            "telephone_number": "415-221-4810"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAYUG",
        "first_name": "MARIA AIZA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-09-03",
        "last_updated": "2026-09-03",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "164X00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Licensed Vocational Nurse",
            "state": "CA",
            "license": "689132",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.