Individual provider Active NPI

William Francis Meyer, MASTER-SOCIAL WORK

  • Clinical Social Worker
  • Seattle, WA
National Provider Identifier
1154337434
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LW00005801 Issued in WA
Practice address
3245 Fairview Ave E Ste 200
Seattle, WA 98102-3053
Phone
(206) 325-2504
Fax
(206) 325-0062
NPI assigned
Jul 31, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Professional Counselor 101YP2500X LW00005801 WA
Clinical Social Worker 1041C0700X LW00005801 WA Primary

Addresses

Primary practice location

3245 Fairview Ave E Ste 200
Seattle, WA 98102-3053

Mailing address

3245 Fairview Ave E Ste 200
Seattle, WA 98102-3053
Phone (206) 325-2504

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
LW00005801WAMDProfessional Counselor

NPI Registry JSON

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

{
    "created_epoch": "1154304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1154337434",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3245 FAIRVIEW AVE E STE 200",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981023053",
            "telephone_number": "206-325-2504",
            "fax_number": "206-325-0062"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3245 FAIRVIEW AVE E STE 200",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981023053",
            "telephone_number": "206-325-2504",
            "fax_number": "206-325-0062"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MEYER",
        "first_name": "WILLIAM",
        "middle_name": "FRANCIS",
        "name_prefix": "Mr.",
        "credential": "MASTER-SOCIAL WORK",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-31",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "WA",
            "license": "LW00005801",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "WA",
            "license": "LW00005801",
            "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 Sep 11, 2025; 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.