Calvin Williams

Primary specialty

Social WorkerTaxonomy code 104100000X

License

SWIA.SC.70134673 Issued in WA

Practice address

400 N 34TH St Ste 320
Seattle, WA 98103-5296

Phone

(206) 385-7864

NPI assigned

Jul 9, 2026

Last updated

Jul 9, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1783555200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1265350995",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 N 34TH ST STE 320",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981035296"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 N 34TH ST STE 320",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981035296",
            "telephone_number": "206-385-7864"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "CALVIN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-09",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "WA",
            "license": "SWIA.SC.70134673",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bruce T. Williams, O.D.
• Bryan Jack Williams, DDS
• Bryce L. Williams, PT
• Caden Rose Williams
• Caleb Joshua Williams, LMHCA, CDPT
• Carlie Diane Williams, L.M.P.
• Carol Lee Williams, M.ED, MHP, THERAPIST
• Charisse Williams, PHD
• Charles Miles Williams, MSN, RN
• Chelsea Samantha Katherine Williams, MD

• Social Worker in Seattle, WA
• Providers in Seattle, WA by specialty
• Social Worker in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 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.