ELEANOR C WALKER ARNP
NPI 1073997458
Nurse Practitioner in Boulder, CO
About Eleanor C Walker Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELEANOR C WALKER ARNP (NPI 1073997458) is an individual nurse practitioner in Boulder, Colorado, licensed in Colorado (APN0997300NP) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
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
Eleanor C 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
2Medicare enrollment records show Eleanor Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boulder, CO 80304
- Reassigned Medicare billing, Colorado enrollment
- 183 clinicians in this Medicare group
Denver, CO 80204
- Reassigned Medicare billing, Colorado enrollment
- 2,259 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Eleanor Walker's NPI number?
The NPI number for Eleanor Walker is 1073997458. It was assigned to this individual provider in the NPPES registry on July 15, 2015.
Where is Eleanor Walker located?
Eleanor Walker practices at 2525 13th St, Boulder, CO 80304. The listed phone number is (303) 449-6050.
What is Eleanor Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Eleanor Walker enrolled in Medicare?
Yes. Eleanor 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 Eleanor Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eleanor Walker reassigns Medicare benefits to 2 organizations: Clinica Campesina Family Health Services (Boulder, CO) and Denver Health And Hospital Authority (Denver, CO). 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 Eleanor Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eleanor Walker accept?
Health plans from Providence Health Plan and UnitedHealthcare list Eleanor 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.
When was this NPI record last updated?
The NPPES record for Eleanor Walker was last updated on December 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Eleanor C Walker, ARNP · NPI 1073997458
Nurse Practitioner physician in Boulder, Colorado. Individual provider, active in the CMS NPPES registry since July 15, 2015.
## Identity
- **NPI:** 1073997458 (Entity type: Individual)
- **Enumerated:** July 15, 2015
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** APN0997300NP (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 2525 13TH ST, Boulder, CO 80304-4104
- **Phone:** (303) 449-6050
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Clinica Campesina Family Health Services (NPI 1184613234, Boulder, CO); Denver Health And Hospital Authority (NPI 1477569838, Denver, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** December 6, 2022
- **Other identifiers:** Medicaid 2048283 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1073997458) · Data from the CMS NPPES public registry.