Individual provider Active NPI

Kenneth Y.K. Leung, M.D.

  • Orthopaedic Surgery of the Spine Physician
  • Seattle, WA
National Provider Identifier
1245299452
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery of the Spine PhysicianTaxonomy code 207XS0117X
License
MD00018142 Issued in WA
Practice address
1229 Madison St
Suite 1600
Seattle, WA 98104-3586
Phone
(206) 386-2600
Fax
(206) 622-1644
NPI assigned
Mar 17, 2006
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery of the Spine Physician 207XS0117X MD00018142 WA Primary

Addresses

Primary practice location

1229 Madison St
Suite 1600
Seattle, WA 98104-3586

Mailing address

720 Olive Way
Suite 1505
Seattle, WA 98101-1878
Phone (206) 838-2590

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
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD00018142WAMDOrthopaedic Surgery of the Spine Physician

NPI Registry JSON

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1245299452",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "720 OLIVE WAY",
            "address_2": "SUITE 1505",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981011878",
            "telephone_number": "206-838-2590",
            "fax_number": "206-264-8689"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1229 MADISON ST",
            "address_2": "SUITE 1600",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981043586",
            "telephone_number": "206-386-2600",
            "fax_number": "206-622-1644"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEUNG",
        "first_name": "KENNETH",
        "middle_name": "Y.K.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0117X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Orthopaedic Surgery of the Spine",
            "state": "WA",
            "license": "MD00018142",
            "primary": true
        }
    ],
    "identifiers": [],
    "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 Jul 13, 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.