REBECCA ANN MAYER FNP-BC, APNP
NPI 1366971681
Nurse Practitioner in Milwaukee, WI
About Rebecca Ann Mayer Fnp-bc, Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA ANN MAYER FNP-BC, APNP (NPI 1366971681) is an individual nurse practitioner in Milwaukee, Wisconsin, licensed in Wisconsin (7688-33) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fox Lake, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Rebecca Ann Mayer Fnp-bc, 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
2Medicare enrollment records show Rebecca Mayer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Beaver Dam, WI 53916
- Reassigned Medicare billing, Wisconsin enrollment
- 606 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53227 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.
WEST ALLIS, WI 53227
WEST ALLIS, WI 53227
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 Rebecca Mayer's NPI number?
The NPI number for Rebecca Mayer is 1366971681. It was assigned to this individual provider in the NPPES registry on June 9, 2017.
Where is Rebecca Mayer located?
Rebecca Mayer practices at 11333 W National Ave, Milwaukee, WI 53227. The listed phone number is (414) 328-4580.
What is Rebecca Mayer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Rebecca Mayer enrolled in Medicare?
Yes. Rebecca Mayer 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 Rebecca Mayer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Mayer reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (West Allis, WI) and Agnesian Healthcare (Beaver Dam, WI). 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 Rebecca Mayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rebecca Mayer accept?
Health plans from CareSource (Common Ground Healthcare) and Network Health list Rebecca Mayer 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 Rebecca Mayer was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Rebecca Ann Mayer, FNP-BC, APNP · NPI 1366971681
Nurse Practitioner physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since June 9, 2017.
## Identity
- **NPI:** 1366971681 (Entity type: Individual)
- **Enumerated:** June 9, 2017
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 7688-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 11333 W NATIONAL AVE, Milwaukee, WI 53227-3111
- **Phone:** (414) 328-4580
## 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): Aurora Medical Group, Inc. (NPI 1457592735, West Allis, WI); Agnesian Healthcare (NPI 1700817657, Beaver Dam, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** December 11, 2025
- **Other identifiers:** Medicaid 100068908 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1366971681) · Data from the CMS NPPES public registry.