Individual provider Active NPI

Irene Lianping Xu

  • Gerontology Registered Nurse
  • San Francisco, CA
National Provider Identifier
1245141738
Registry record updated Sep 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gerontology Registered NurseTaxonomy code 163WG0600X
License
784772 Issued in CA
Practice address
1600 Geneva Ave
San Francisco, CA 94134-3111
Phone
(415) 672-6333
NPI assigned
Sep 15, 2026
Last updated
Sep 15, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gerontology Registered Nurse 163WG0600X 784772 CA Primary

Addresses

Primary practice location

1600 Geneva Ave
San Francisco, CA 94134-3111

Mailing address

1600 Geneva Ave
San Francisco, CA 94134-3111
Phone (415) 672-6333

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

NPI Registry JSON

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

{
    "created_epoch": "1789430400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789430400000",
    "number": "1245141738",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 GENEVA AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941343111",
            "telephone_number": "415-672-6333"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 GENEVA AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941343111",
            "telephone_number": "415-672-6333"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "XU",
        "first_name": "IRENE",
        "middle_name": "LIANPING",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-09-15",
        "last_updated": "2026-09-15",
        "certification_date": "2026-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WG0600X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Gerontology",
            "state": "CA",
            "license": "784772",
            "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 15, 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.