NPIMap

Individual provider Active NPI

Jeffrey Youndong Kim, DDS

  • Dentist
  • Seattle, WA
National Provider Identifier
1033525175
Registry record updated Mar 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
License
DE60475239 Issued in WA
Practice address
220 Broadway E
Seattle, WA 98102-5724
Phone
(206) 686-3828
Fax
(206) 686-4028
NPI assigned
Jul 9, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 30, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Dentistry 1223G0001X DE60475239 WA
Dentist 122300000X DE60475239 WA Primary

Addresses

Primary practice location

220 Broadway E
Seattle, WA 98102-5724

Mailing address

PO Box 34703
Seattle, WA 98124-1703

Other practice location 1

31405 18th Ave S
Federal Way, WA 98003-5433
Phone (253) 681-6620

Other practice location 2

1112 S Cushman Ave
Tacoma, WA 98405-3631
Phone (253) 280-9770

Other identifiers 1

IdentifierTypeStateIssuer
2040908MedicaidWA

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

State licenses

LicenseStateTypeSpecialty
DE60475239WAMDDentist

Practice roles

OrganizationSpecialtyStatusNew patients
Ekapoj Thongin II, DMD, PLLC Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: jkim452751@direct.multicare.org

Organizations & group practices 1

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

NPI Registry JSON

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

{
    "created_epoch": "1404864000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1033525175",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 34703",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981241703"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "220 BROADWAY E",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981025724",
            "telephone_number": "206-686-3828",
            "fax_number": "206-686-4028"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "31405 18th Ave S",
            "address_purpose": "LOCATION",
            "city": "Federal Way",
            "state": "WA",
            "postal_code": "980035433",
            "country_code": "US",
            "telephone_number": "253-681-6620",
            "fax_number": "253-681-6648",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1112 S Cushman Ave",
            "address_purpose": "LOCATION",
            "city": "Tacoma",
            "state": "WA",
            "postal_code": "984053631",
            "country_code": "US",
            "telephone_number": "253-280-9770",
            "fax_number": "253-246-6822",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KIM",
        "first_name": "JEFFREY",
        "middle_name": "YOUNDONG",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-07-09",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "WA",
            "license": "DE60475239",
            "primary": false
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "WA",
            "license": "DE60475239",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2040908",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 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.