Dr Grant Ross Walker, DO - Medicare Family Practice in Longview, WA

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Dr Grant Ross Walker, DO is a medicare enrolled "Family Medicine" physician in Longview, Washington. He went to Kansas City University Of Med & Biosciences, College Of Osteo Med and graduated in 2022 and has 4 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Peacehealth and his current practice location is 1718 E Kessler Blvd, Longview, Washington. You can reach out to his office (for appointments etc.) via phone at (360) 747-5800.

Dr Grant Ross Walker is licensed to practice in Washington (license number OP70005432) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1285364265.

Contact Information

Dr Grant Ross Walker, DO
1718 E Kessler Blvd,
Longview, WA 98632-1842
(360) 747-5800
(360) 575-3846

Map and Direction




Physician's Profile

Full NameDr Grant Ross Walker
GenderMale
SpecialityFamily Practice
Experience4 Years
Location1718 E Kessler Blvd, Longview, Washington
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Grant Ross Walker attended and graduated from Kansas City University Of Med & Biosciences, College Of Osteo Med in 2022
  NPI Data:
  • NPI Number: 1285364265
  • Provider Enumeration Date: 06/13/2022
  • Last Update Date: 08/20/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 0244611598
  • Enrollment ID: I20250904002332

Medical Identifiers

Medical identifiers for Dr Grant Ross Walker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285364265NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 94-10996 (Kansas)Secondary
207Q00000XFamily Medicine OP70005432 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Assured Home Health And HospiceCentralia, WAHome health agency
Peacehealth St John Medical CenterLongview, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Peacehealth5890689293188

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Grant Ross Walker allows following entities to bill medicare on his behalf.
Entity NamePeacehealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720056187
PECOS PAC ID: 5890689293
Enrollment ID: O20040209000272

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Grant Ross Walker is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Grant Ross Walker, DO
1010 N Kansas St # Ks,
Wichita, KS 67214-3124

Ph: (316) 293-2665		Dr Grant Ross Walker, DO
1718 E Kessler Blvd,
Longview, WA 98632-1842

Ph: (360) 747-5800

Reviews and Comments


Family Medicine Doctors in Longview, WA

Mr. Albert Hung-pei Luh, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1230 7th Ave, Longview, WA 98632
Phone: 360-575-4801    
Michael Adam Krall, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1230 7th Ave, Longview, WA 98632
Phone: 360-575-4801    
George Lupas,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1718 E Kessler Blvd, Longview, WA 98632
Phone: 360-747-5800    Fax: 360-575-3846
Dr. Joseph Leslie Davis, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 2807 36th Ave, Longview, WA 98632
Phone: 360-425-8365    
Muhammad Riaz, M.D
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1615 Delaware St, Longview, WA 98632
Phone: 360-414-7800    Fax: 360-414-7808
Dr. Morgan Daneel Evans, D.O
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1230 7th Ave, Longview, WA 98632
Phone: 800-813-2000    
Mu-hsiang Joy Wang, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1718 E Kessler Blvd, Longview, WA 98632
Phone: 360-747-5800    Fax: 360-575-3846

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.