Kathryn Ristuben

Primary specialty

DentistTaxonomy code 122300000X

License

DENT.DE.70150859 Issued in WA

Practice address

8220 SE 34TH St
Mercer Island, WA 98040-3022

Phone

(425) 922-1080

NPI assigned

Sep 4, 2026

Sex

Female

Sole proprietor

Yes

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

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

{
    "created_epoch": "1788480000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1508775586",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8220 SE 34TH ST",
            "city": "MERCER ISLAND",
            "state": "WA",
            "postal_code": "980403022",
            "telephone_number": "425-922-1080"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8220 SE 34TH ST",
            "city": "MERCER ISLAND",
            "state": "WA",
            "postal_code": "980403022",
            "telephone_number": "425-922-1080"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RISTUBEN",
        "first_name": "KATHRYN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-09-04",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "WA",
            "license": "DENT.DE.70150859",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Dentist in Mercer Island, WA
• Providers in Mercer Island, WA by specialty
• Dentist in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.