Individual provider Active NPI

Sarah Buckingham, MSW

  • Social Worker
  • Seattle, WA
National Provider Identifier
1821930439
Registry record updated Jul 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
Practice address
2100 24TH Ave S
Seattle, WA 98144-4637
Phone
(206) 382-5340
NPI assigned
Apr 6, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 19, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X WA Primary

Addresses

Primary practice location

2100 24TH Ave S
Seattle, WA 98144-4637

Mailing address

515 N 2ND St Apt 401
Tacoma, WA 98403-2655
Phone (253) 833-7444

Other practice location 1

4501 15th Ave S Ste 102
Seattle, WA 98108-1874
Phone (425) 491-6650

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

NPI Registry JSON

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

{
    "created_epoch": "1775433600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784419200000",
    "number": "1821930439",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "515 N 2ND ST APT 401",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984032655",
            "telephone_number": "253-833-7444"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2100 24TH AVE S",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981444637",
            "telephone_number": "206-382-5340"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4501 15th Ave S Ste 102",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981081874",
            "country_code": "US",
            "telephone_number": "425-491-6650",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BUCKINGHAM",
        "first_name": "SARAH",
        "credential": "MSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-06",
        "last_updated": "2026-07-19",
        "certification_date": "2026-07-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "WA",
            "license": null,
            "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 19, 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.