TIERNEY FRITZ APNP
NPI 1881429942
Nurse Practitioner in Greenville, WI
About Tierney Fritz Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIERNEY FRITZ APNP (NPI 1881429942) is an individual nurse practitioner in Greenville, Wisconsin, licensed in Wisconsin (15399-33) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS, is affiliated with Ascension Ne Wisconsin - St Elizabeth Campus, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
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
Tierney Fritz 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 Tierney Fritz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 444 clinicians in this Medicare group
Glendale, WI 53212
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension NE Wisconsin - St Elizabeth Campus
Acute Care Hospitals · Appleton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54942 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENVILLE, WI 54942
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 Tierney Fritz's NPI number?
The NPI number for Tierney Fritz is 1881429942. It was assigned to this individual provider in the NPPES registry on September 6, 2024.
Where is Tierney Fritz located?
Tierney Fritz practices at W6981 Parkview Dr, Greenville, WI 54942. The listed phone number is (920) 882-2400.
What is Tierney Fritz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Tierney Fritz enrolled in Medicare?
Yes. Tierney Fritz 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 Tierney Fritz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tierney Fritz reassigns Medicare benefits to 2 organizations: Ascension Medical Group-Fox Valley Wisconsin, Inc (Neenah, WI) and Ascension Medical Group-Southeast Wisconsin Inc (Glendale, 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 Tierney Fritz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tierney Fritz accept?
Health plans from Anthem Blue Cross and Blue Shield and Dean Health Plan list Tierney Fritz 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 Tierney Fritz affiliated with any hospitals?
According to CMS data, Tierney Fritz is affiliated with Ascension NE Wisconsin - St Elizabeth Campus.
When was this NPI record last updated?
The NPPES record for Tierney Fritz was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Tierney Fritz, APNP · NPI 1881429942
Nurse Practitioner physician in Greenville, Wisconsin. Individual provider, active in the CMS NPPES registry since September 6, 2024.
## Identity
- **NPI:** 1881429942 (Entity type: Individual)
- **Enumerated:** September 6, 2024
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 15399-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** W6981 PARKVIEW DR, Greenville, WI 54942-8034
- **Phone:** (920) 882-2400
## 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): Ascension Medical Group-Fox Valley Wisconsin, Inc (NPI 1730126392, Neenah, WI); Ascension Medical Group-Southeast Wisconsin Inc (NPI 1609881077, Glendale, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** May 7, 2026
- **Other identifiers:** Medicaid 100293055 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1881429942) · Data from the CMS NPPES public registry.