Grant Ross Walker, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

OP70005432 Issued in WA

Practice address

1718 E Kessler Blvd
Longview, WA 98632-1842

Phone

(360) 747-5800

Fax

(360) 575-3846

NPI assigned

Jun 13, 2022

Last updated

Aug 20, 2025By 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 2

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Kansas City University of Med & Biosciences, College of Osteo Med, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

PeacehealthGroup PAC ID 5890689293, 188 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Assured Home Health and Hospice Home health agency, Centralia, WA, CCN 507042
• Peacehealth St John Medical Center Hospital, Longview, WA, CCN 500041

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: grant.walker@hca3.eclinicaldirectplus.com
• Direct secure messaging: gwalker771447@direct.peacehealth.org

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

• Peacehealth

  dba St. John Medical Center - PeaceHealth Medical Group

  • Multi-Specialty Clinic/Center
  • Longview, WA
  • NPI 1720056187

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Peacehealth

  dba St. John Medical Center - Outpatient Therapy

  • Physical Therapist
  • Longview, WA
  • NPI 1275501538
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Northwest Healthcare Alliance, Inc.

  dba Assured Home Health & Hospice

  • Home Health Agency
  • Centralia, WA
  • NPI 1154397305
  Care Compare affiliation
• Peacehealth

  dba St. John Medical Center

  • General Acute Care Hospital
  • Longview, WA
  • NPI 1073510277
  Care Compare affiliation

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

{
    "created_epoch": "1655078400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755648000000",
    "number": "1285364265",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1010 N KANSAS ST # KS",
            "city": "WICHITA",
            "state": "KS",
            "postal_code": "672143124",
            "telephone_number": "316-293-2665"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1718 E KESSLER BLVD",
            "city": "LONGVIEW",
            "state": "WA",
            "postal_code": "986321842",
            "telephone_number": "360-747-5800",
            "fax_number": "360-575-3846"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1010 N Kansas St",
            "address_purpose": "LOCATION",
            "city": "Wichita",
            "state": "KS",
            "postal_code": "672143124",
            "country_code": "US",
            "telephone_number": "316-293-2665",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKER",
        "first_name": "GRANT",
        "middle_name": "ROSS",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-06-13",
        "last_updated": "2025-08-20",
        "certification_date": "2025-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "KS",
            "license": "94-10996",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WA",
            "license": "OP70005432",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hope K Wagoner, AAC, CPC
• Wal-Mart Stores, Inc (Wal-Mart Vision Center 30-2469)
• Gina Lynn Wald, CRNA
• Walgreen Co (Walgreens #09812)
• Cristina Y Walker
• Julie A Wallace
• Olivia Wallace
• Ann Waller, BS, AAC
• Elle Marie Waller, BS, R-AAC
• Nelita Wallingford

• Family Medicine Physician in Longview, WA
• Providers in Longview, WA by specialty
• Family Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 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.