Michael Scott Grierson

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

SWIA.SC.61663907 Issued in WA

Practice address

325 9TH Ave
Box 359797
Seattle, WA 98104-4299

Phone

(206) 744-9603

Fax

(206) 744-9914

NPI assigned

Jan 21, 2026

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1768953600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768953600000",
    "number": "1972462265",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "325 9TH AVE",
            "address_2": "BOX 359797",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981044299",
            "telephone_number": "206-744-9603",
            "fax_number": "206-744-9914"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "325 9TH AVE",
            "address_2": "BOX 359797",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981044299",
            "telephone_number": "206-744-9603",
            "fax_number": "206-744-9914"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIERSON",
        "first_name": "MICHAEL",
        "middle_name": "SCOTT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-01-21",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "WA",
            "license": "SWIA.SC.61663907",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mgrier@uw.edu",
            "affiliation": "N",
            "endpointDescription": "Email Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "325 9th Ave",
            "address_2": "Box 359797",
            "city": "Seattle",
            "state": "WA",
            "country_code": "US",
            "postal_code": "981044299",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Laurie T Gribschaw, DPT
• Verena S Grieco, MD
• Elena Christine Griego, M.D.
• Adaijah Aiyumi Grier
• Matthew James Grierson, MD
• Katharine Suzanne Gries, PHARM.D
• Molly Catherine Gries, PT, DPT
• Christina Grieve, RD
• Rodney Griffen
• Arianna Destanie Griffin

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 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.