Tony Guan, DMD

Primary specialty

DentistTaxonomy code 122300000X

License

113535 Issued in CA

Practice address

55 E Julian St
San Jose, CA 95112-4007

Phone

(408) 457-7101

NPI assigned

Jul 22, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1784678400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784678400000",
    "number": "1710808019",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1659 30TH AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941223207",
            "telephone_number": "415-318-6791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 E JULIAN ST",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951124007",
            "telephone_number": "408-457-7101"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUAN",
        "first_name": "TONY",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-22",
        "last_updated": "2026-07-22",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "CA",
            "license": "113535",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Leilei Gu, FNP
• Guadalupe Hope Society
• Christell Milagros Guadalupe
• Jiaxin Guan
• Shengsheng Guan, D.P.M
• Guanzon Medical Office, Inc
• Cheryl Junsay Guanzon, NP
• Jose Maria Guanzon Guanzon, MD
• Teresita Viray Guanzon, MD
• Richard Guardado, AMFT #128668

• Dentist in San Jose, CA
• Providers in San Jose, CA by specialty
• Dentist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 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.