MR. WILLIAM S WALLACE APNP
NPI 1467429860
Nurse Practitioner in West Bend, WI
About Mr. William S Wallace Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM S WALLACE APNP (NPI 1467429860) is an individual nurse practitioner in West Bend, Wisconsin, licensed in Wisconsin (2475) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Washington County, and maintains a secondary practice location in El Dorado.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
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
Mr. William S Wallace Apnp 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
4Medicare enrollment records show William Wallace reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53209
- Reassigned Medicare billing, Wisconsin enrollment
- 1,615 clinicians in this Medicare group
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Saint Francis, WI 53235
- Reassigned Medicare billing, Wisconsin enrollment
- 960 clinicians in this Medicare group
El Dorado, KS 67042
- Reassigned Medicare billing, Kansas enrollment
- 34 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 5
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora Medical Ctr Washington County
Acute Care Hospitals · Hartford, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WEST BEND, WI 53095
WEST BEND, WI 53095
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 William Wallace's NPI number?
The NPI number for William Wallace is 1467429860. It was assigned to this individual provider in the NPPES registry on March 3, 2006.
Where is William Wallace located?
William Wallace practices at 1100 Gateway Ct, West Bend, WI 53095. The listed phone number is (262) 335-8600.
What is William Wallace's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is William Wallace enrolled in Medicare?
Yes. William Wallace 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 William Wallace's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Wallace reassigns Medicare benefits to 4 organizations: Aurora Advanced Healthcare, Inc. (Milwaukee, WI), Aurora Medical Group, Inc. (West Allis, WI), Lakeshore Medical Clinic, LLC (Saint Francis, WI) and Susan B. Allen Memorial Hospital (El Dorado, KS). 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 William Wallace's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Wallace accept?
Health plans from CareSource (Common Ground Healthcare) and UnitedHealthcare list William Wallace 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 William Wallace affiliated with any hospitals?
According to CMS data, William Wallace is affiliated with Aurora Medical Ctr Washington County.
When was this NPI record last updated?
The NPPES record for William Wallace was last updated on June 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.