MARILEE WALKER ARNP
NPI 1619136678
Nurse Practitioner in Spokane, WA
About Marilee Walker Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARILEE WALKER ARNP (NPI 1619136678) is an individual nurse practitioner in Spokane, Washington, licensed in Washington (AP60029831) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Kootenai Health, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marilee Walker Arnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Marilee Walker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Spokane, WA 99204
- Reassigned Medicare billing, Washington enrollment
- 148 clinicians in this Medicare group
Spokane, WA 99202
- Reassigned Medicare billing, Washington enrollment
- 151 clinicians in this Medicare group
Seattle, WA 98144
- Reassigned Medicare billing, Washington enrollment
- 145 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kootenai Health
Acute Care Hospitals · Coeur D'alene, IDProv Sacred Hrt Med Ctr & Childs Hosp.
Acute Care Hospitals · Spokane, WANewport Community Hospital
Critical Access Hospitals · Newport, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPOKANE, WA 99204
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marilee Walker's NPI number?
The NPI number for Marilee Walker is 1619136678. It was assigned to this individual provider in the NPPES registry on June 5, 2008.
Where is Marilee Walker located?
Marilee Walker practices at 801 S Stevens St, Spokane, WA 99204. The listed phone number is (509) 363-7788.
What is Marilee Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Marilee Walker enrolled in Medicare?
Yes. Marilee Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marilee Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marilee Walker reassigns Medicare benefits to 3 organizations: Integra Imaging, Ps (Spokane, WA), Inland Imaging LLC (Spokane, WA) and Inland Imaging Associates Ps (Seattle, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marilee Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marilee Walker accept?
Health plans from Providence Health Plan list Marilee Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marilee Walker affiliated with any hospitals?
According to CMS data, Marilee Walker is affiliated with Kootenai Health, Prov Sacred Hrt Med Ctr & Childs Hosp. and Newport Community Hospital.
When was this NPI record last updated?
The NPPES record for Marilee Walker was last updated on November 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Marilee Walker, ARNP · NPI 1619136678
Nurse Practitioner physician in Spokane, Washington. Individual provider, active in the CMS NPPES registry since June 5, 2008.
## Identity
- **NPI:** 1619136678 (Entity type: Individual)
- **Enumerated:** June 5, 2008
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** AP60029831 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 S STEVENS ST, Spokane, WA 99204-2654
- **Phone:** (509) 363-7788 · **Fax:** (509) 363-7064
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Integra Imaging, Ps (NPI 1174876437, Spokane, WA); Inland Imaging LLC (NPI 1851352348, Spokane, WA); Inland Imaging Associates Ps (NPI 1982236469, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** November 30, 2010
---
Source: [NPI Profile](https://npiprofile.com/npi/1619136678) · Data from the CMS NPPES public registry.