ANN E WALKER APRN
NPI 1437451598
Nurse Practitioner in Lincoln, NE
About Ann E Walker Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN E WALKER APRN (NPI 1437451598) is an individual nurse practitioner in Lincoln, Nebraska, licensed in Nebraska (111193) and active in the NPI registry since November 2010. She is enrolled in Medicare PECOS, is affiliated with Bryan Medical Center, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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
Ann E Walker Aprn 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 Reassignment
Medicare enrollment records show Ann Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lincoln, NE 68506
- Reassigned Medicare billing, Nebraska enrollment
- 26 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bryan Medical Center
Acute Care Hospitals · Lincoln, NEColumbus Community Hospital, Inc
Acute Care Hospitals · Columbus, NEYork General Hospital
Critical Access Hospitals · York, NEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 68506 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.
Referred Medical Equipment & Supplies CMS DME claims 29
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.
LINCOLN, NE 68506
LINCOLN, NE 68506
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 Ann Walker's NPI number?
The NPI number for Ann Walker is 1437451598. It was assigned to this individual provider in the NPPES registry on November 23, 2010.
Where is Ann Walker located?
Ann Walker practices at 1500 S 48th St Ste 800, Lincoln, NE 68506. The listed phone number is (402) 483-8600.
What is Ann Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Ann Walker enrolled in Medicare?
Yes. Ann 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 organization bills Medicare for Ann Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Walker reassigns Medicare benefits to Nebraska Pulmonary Specialties LLC (Lincoln, NE). The 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 Ann Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Walker accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Blue Cross and Blue Shield of Nebraska and Oscar Insurance Company and 1 other insurer list Ann 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 Ann Walker affiliated with any hospitals?
According to CMS data, Ann Walker is affiliated with Bryan Medical Center, Columbus Community Hospital, Inc and York General Hospital.
When was this NPI record last updated?
The NPPES record for Ann Walker was last updated on March 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.