Alexander Xu, DDS

Primary specialty

DentistTaxonomy code 122300000X

License

DDS109435 Issued in CA

Practice address

106 Dixon Rd
Milpitas, CA 95035-2500

Phone

(408) 905-9888

NPI assigned

May 11, 2023

Last updated

Apr 10, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Locations

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

• Alexander Xu DDS, Inc

  • Dentist
  • Milpitas, CA
  • NPI 1457211450
  NPD Authorized official

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

{
    "created_epoch": "1683763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775779200000",
    "number": "1548950546",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4383 RUSTICA CIR",
            "city": "FREMONT",
            "state": "CA",
            "postal_code": "945367907",
            "telephone_number": "510-358-5118"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "106 DIXON RD",
            "city": "MILPITAS",
            "state": "CA",
            "postal_code": "950352500",
            "telephone_number": "408-905-9888"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4383 Rustica Cir",
            "address_purpose": "LOCATION",
            "city": "Fremont",
            "state": "CA",
            "postal_code": "945367907",
            "country_code": "US",
            "telephone_number": "510-358-5118",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1598 Washington Ave",
            "address_purpose": "LOCATION",
            "city": "San Leandro",
            "state": "CA",
            "postal_code": "945774465",
            "country_code": "US",
            "telephone_number": "510-545-4588",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "XU",
        "first_name": "ALEXANDER",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-05-11",
        "last_updated": "2026-04-10",
        "certification_date": "2026-04-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "CA",
            "license": "DDS109435",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Dentist in Milpitas, CA
• Providers in Milpitas, CA by specialty
• Dentist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 10, 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.