Organization Active NPI

Dr. Seongwon Choi PLLC.

  • Endodontics
  • Marysville, WA
National Provider Identifier
1407774490
Registry record updated Aug 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
EndodonticsTaxonomy code 1223E0200X
Legal business name
DR. SEONGWON CHOI PLLC.
Practice address
17103 28TH Dr NE Ste 104
Marysville, WA 98271-4830
Phone
(360) 208-0492
NPI assigned
Jul 7, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 21, 2026

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

Authorized official

Name
Seongwon ChoiNPI 1528986510
Title
Owner
Phone
(213) 414-9820

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
EndodonticsGroup: 193400000X SINGLE SPECIALTY GROUP 1223E0200X Primary

Addresses

Primary practice location

17103 28TH Dr NE Ste 104
Marysville, WA 98271-4830

Mailing address

889 Avenue SQ NE Unit 410
Bellevue, WA 98004-6359

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 10

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1783382400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787270400000",
    "number": "1407774490",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "889 AVENUE SQ NE UNIT 410",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980046359"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17103 28TH DR NE STE 104",
            "city": "MARYSVILLE",
            "state": "WA",
            "postal_code": "982714830",
            "telephone_number": "360-208-0492"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DR. SEONGWON CHOI PLLC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-07",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A",
        "authorized_official_last_name": "CHOI",
        "authorized_official_first_name": "SEONGWON",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "213-414-9820"
    },
    "taxonomies": [
        {
            "code": "1223E0200X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, Endodontics",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Marysville, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 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.