MAUREEN ANNE WALKER FNP
NPI 1194084616
Nurse Practitioner - Family in Parker, AZ
About Maureen Anne Walker Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAUREEN ANNE WALKER FNP (NPI 1194084616) is an individual family provider in Parker, Arizona, licensed in Arizona (AP8474) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Maureen Anne Walker Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Maureen Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Parker, AZ 85344
- Reassigned Medicare billing, Arizona enrollment
- Also billed through NPI 1053684555 (Arizona)
- 113 clinicians in this Medicare group
Tempe, AZ 85288
- Reassigned Medicare billing, Arizona enrollment
- 367 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 85344 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.
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.
PARKER, AZ 85344
PARKER, AZ 85344
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 Maureen Walker's NPI number?
The NPI number for Maureen Walker is 1194084616. It was assigned to this individual provider in the NPPES registry on May 4, 2012.
Where is Maureen Walker located?
Maureen Walker practices at 1200 W Mohave Rd, Parker, AZ 85344. The listed phone number is (928) 669-9201.
What is Maureen Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Maureen Walker enrolled in Medicare?
Yes. Maureen Walker is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Maureen Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maureen Walker reassigns Medicare benefits to 2 organizations: La Paz Regional Hospital Inc (Parker, AZ) and Nextcare Arizona LLC (Tempe, AZ). 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 Maureen Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maureen Walker accept?
Health plans from Blue Cross Blue Shield of Arizona and UnitedHealthcare list Maureen 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 Maureen Walker was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.