KATHERINE ANN MAYER MSE
NPI 1861577454
Counselor - Professional in Menasha, WI
About Katherine Ann Mayer Mse NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE ANN MAYER MSE (NPI 1861577454) is an individual professional provider in Menasha, Wisconsin, licensed in Wisconsin (3817-125) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Katherine Ann Mayer Mse 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
3Medicare enrollment records show Katherine Mayer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wrightstown, WI 54180
- Reassigned Medicare billing, Wisconsin enrollment
- 875 clinicians in this Medicare group
De Pere, WI 54115
- Reassigned Medicare billing, Wisconsin enrollment
- 106 clinicians in this Medicare group
Oconto Falls, WI 54154
- Reassigned Medicare billing, Wisconsin enrollment
- 573 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.
Other Providers at the Same Location NPPES 14
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 Katherine Mayer's NPI number?
The NPI number for Katherine Mayer is 1861577454. It was assigned to this individual provider in the NPPES registry on October 25, 2006. The provider is also known as Katherine Ann Nelson.
Where is Katherine Mayer located?
Katherine Mayer practices at 1810 Appleton Road, Menasha, WI 54952. The listed phone number is (920) 739-4226.
What is Katherine Mayer's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Katherine Mayer enrolled in Medicare?
Yes. Katherine 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 Katherine Mayer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Mayer reassigns Medicare benefits to 3 organizations: Bellin Memorial Hospital Inc (Wrightstown, WI), Bellin Psychiatric Center Inc (De Pere, WI) and Oconto Hospital & Medical Center, Inc. (Oconto Falls, 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 Katherine Mayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Mayer accept?
Health plans from Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and UnitedHealthcare list Katherine 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 Katherine Mayer was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Katherine Ann Mayer, MSE · NPI 1861577454
Professional provider in Menasha, Wisconsin. Individual provider, active in the CMS NPPES registry since October 25, 2006.
## Identity
- **NPI:** 1861577454 (Entity type: Individual)
- **Enumerated:** October 25, 2006
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 3817-125 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1810 APPLETON ROAD, Menasha, WI 54952
- **Phone:** (920) 739-4226 · **Fax:** (920) 739-7639
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Bellin Memorial Hospital Inc (NPI 1225091580, Wrightstown, WI); Bellin Psychiatric Center Inc (NPI 1669434288, De Pere, WI); Oconto Hospital & Medical Center, Inc. (NPI 1063038313, Oconto Falls, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** August 27, 2026
- **Other identifiers:** Medicaid 40975600 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1861577454) · Data from the CMS NPPES public registry.