Cornerstone Caregiving West LLC

Primary specialty

In Home Supportive Care AgencyTaxonomy code 253Z00000X

Legal business name

CORNERSTONE CAREGIVING WEST LLC

Practice address

200 W Mercer St Ste Noe407
Seattle, WA 98119-3995

Phone

(206) 309-3669

NPI assigned

Jan 30, 2026

Organization subpart

Yes

Parent organization

CORNERSTONE CAREGIVING LLCAs reported in NPPES

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

Authorized official

Name

Michael Hillman

Title

Founder

Phone

(254) 503-5233

Specialties & licenses 1

Addresses

Other names 1

• Cornerstone Caregiving Other name

Tax ID family

Cornerstone Caregiving West LLC79 organizations share this tax ID, including this one

Part of

Cornerstone Caregiving LLC

Organizations with this tax ID in the same state 3

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

• Cornerstone Caregiving West LLC

  • In Home Supportive Care Agency
  • Spokane, WA
  • NPI 1770469512
  NPD tax ID
• Cornerstone Caregiving West LLC

  • In Home Supportive Care Agency
  • University Place, WA
  • NPI 1922930247
  NPD tax ID
• Cornerstone Caregiving West LLC

  • In Home Supportive Care Agency
  • Spokane, WA
  • NPI 1952290157
  NPD tax ID

Locations

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

{
    "created_epoch": "1769731200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769731200000",
    "number": "1326998386",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2612 WASHINGTON AVE STE 1",
            "city": "WACO",
            "state": "TX",
            "postal_code": "767107469"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 W MERCER ST STE NOE407",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981193995",
            "telephone_number": "206-309-3669"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CORNERSTONE CAREGIVING WEST LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "CORNERSTONE CAREGIVING LLC",
        "enumeration_date": "2026-01-30",
        "last_updated": "2026-01-30",
        "certification_date": "2026-01-07",
        "status": "A",
        "authorized_official_last_name": "HILLMAN",
        "authorized_official_first_name": "MICHAEL",
        "authorized_official_title_or_position": "FOUNDER",
        "authorized_official_telephone_number": "254-503-5233"
    },
    "taxonomies": [
        {
            "code": "253Z00000X",
            "taxonomy_group": "",
            "desc": "In Home Supportive Care",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Cornerstone Caregiving",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Zack Tyler Corneliusen, DC
• Catherine J. Cornell, A.R.N.P.
• Hayley Jolaine Cornell
• Heather Nicole Cornell, MS, OTR/L, CLT
• Geoffrey Winston Corner, PHD
• Cornerstone Pharmacy Services
• Cornerstone Youth Collective
• Stacy Lee Cornett
• Paul B Cornia, M.D.
• Daniel L. Cornish, M.D.

• In Home Supportive Care Agency in Seattle, WA
• Providers in Seattle, WA by specialty
• In Home Supportive Care Agency in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 30, 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.