TIFFANY LYNN MENNEN
NPI 1710751813
Nurse Practitioner - Family in Oshkosh, WI
About Tiffany Lynn Mennen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIFFANY LYNN MENNEN (NPI 1710751813) is an individual family provider in Oshkosh, Wisconsin, licensed in Wisconsin (14118-33) and active in the NPI registry since November 2023. 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
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
Tiffany Lynn Mennen 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 Tiffany Mennen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 444 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 2
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.
Ascension NE Wisconsin - St Elizabeth Campus
Acute Care Hospitals · Appleton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54902 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.
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 Tiffany Mennen's NPI number?
The NPI number for Tiffany Mennen is 1710751813. It was assigned to this individual provider in the NPPES registry on November 8, 2023.
Where is Tiffany Mennen located?
Tiffany Mennen practices at 1855 S Koeller St, Oshkosh, WI 54902. The listed phone number is (920) 223-7000.
What is Tiffany Mennen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tiffany Mennen enrolled in Medicare?
Yes. Tiffany Mennen 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 Tiffany Mennen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Mennen reassigns Medicare benefits to Ascension Medical Group-Fox Valley Wisconsin, Inc (Neenah, 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 Tiffany Mennen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tiffany Mennen accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan and Network Health list Tiffany Mennen 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 Tiffany Mennen affiliated with any hospitals?
According to CMS data, Tiffany Mennen is affiliated with Ascension NE Wisconsin - St Elizabeth Campus.
When was this NPI record last updated?
The NPPES record for Tiffany Mennen was last updated on January 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Tiffany Lynn Mennen · NPI 1710751813
Family physician in Oshkosh, Wisconsin. Individual provider, active in the CMS NPPES registry since November 8, 2023.
## Identity
- **NPI:** 1710751813 (Entity type: Individual)
- **Enumerated:** November 8, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 14118-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1855 S KOELLER ST, Oshkosh, WI 54902-6186
- **Phone:** (920) 223-7000
## 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:** Ascension Medical Group-Fox Valley Wisconsin, Inc (NPI 1730126392, Neenah, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** January 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1710751813) · Data from the CMS NPPES public registry.