ALYSSA WALKER APNP
NPI 1093584328
Nurse Practitioner in Oconomowoc, WI
About Alyssa Walker Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSSA WALKER APNP (NPI 1093584328) is an individual nurse practitioner in Oconomowoc, Wisconsin, licensed in Wisconsin (14872) and active in the NPI registry since December 2023. She is enrolled in Medicare PECOS, is affiliated with Aurora Medical Center - Summit, and is a graduate of Duke University School Of Medicine (2023).
NPPES Registry Identity
Specialties & Licenses 3
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
Alyssa Walker 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 Reassignment
Medicare enrollment records show Alyssa Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 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 3
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 Center - Summit
Acute Care Hospitals · Summit, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53066 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 15
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 Alyssa Walker's NPI number?
The NPI number for Alyssa Walker is 1093584328. It was assigned to this individual provider in the NPPES registry on December 28, 2023.
Where is Alyssa Walker located?
Alyssa Walker practices at 1284 N Summit Ave, Oconomowoc, WI 53066. The listed phone number is (262) 560-3700.
What is Alyssa Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Alyssa Walker enrolled in Medicare?
Yes. Alyssa 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 Alyssa Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Walker reassigns Medicare benefits to Aurora Medical Group, Inc. (West Allis, WI). 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 Alyssa Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alyssa Walker accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Alyssa 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 Alyssa Walker affiliated with any hospitals?
According to CMS data, Alyssa Walker is affiliated with Aurora Medical Center - Summit.
When was this NPI record last updated?
The NPPES record for Alyssa Walker was last updated on February 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Alyssa Walker, APNP · NPI 1093584328
Nurse Practitioner physician in Oconomowoc, Wisconsin. Individual provider, active in the CMS NPPES registry since December 28, 2023.
## Identity
- **NPI:** 1093584328 (Entity type: Individual)
- **Enumerated:** December 28, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 14872 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1284 N SUMMIT AVE, Oconomowoc, WI 53066-4459
- **Phone:** (262) 560-3700
## 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:** Aurora Medical Group, Inc. (NPI 1457592735, West Allis, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Duke University School Of Medicine, class of 2023
## Record status
- **NPPES last updated:** February 19, 2024
- **Other identifiers:** Medicaid 100265694 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1093584328) · Data from the CMS NPPES public registry.