Hillary Thomason

Primary specialty

Social WorkerTaxonomy code 104100000X

Practice address

4800 Sand Point Way NE
Seattle, WA 98105-3901

Phone

(206) 987-9202

NPI assigned

Aug 1, 2025

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Seattle Children'S Hospital

  • Specialist
  • Seattle, WA
  • NPI 1003319500
  Medicare reassignment NPD
• Seattle Childrens Hospital

  • Clinic Pharmacy
  • Seattle, WA
  • NPI 1245342153
  NPD

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

{
    "created_epoch": "1754006400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756252800000",
    "number": "1922982297",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7812 8TH AVE NW",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981173209"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4800 SAND POINT WAY NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981053901",
            "telephone_number": "206-987-9202"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOMASON",
        "first_name": "HILLARY",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-08-01",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Victory Lynn Thomas
• Whitney Thomas, PA-C
• Whitney Sue Thomas, DPT
• Wyatt Kahanu Thomas
• Zachary Paul Thomas, PHARM.D
• Jenna Lynne Thomason, M.D., M.P.H.
• Hillary P. Thomasser, MD
• Anthony Taz Thomasson
• Sanju K Thomman, M.D.
• Thompson Liberation Counseling PLLC

• 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 Aug 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.