Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Tiffany Lynn Mennen

Individual provider Family Nurse Practitioner · NPI 1710751813

Tiffany Lynn Mennen is a Nurse Practitioner in Oshkosh, Wisconsin. Qualified in 2023, 3 years ago. Practices with Ascension Medical Group-Fox Valley Wisconsin, Inc, a 260-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
3
Licensed in
WI
In the registry since
2023

Practice location Address checks out

1855 S Koeller St
Oshkosh, WI 54902-6186
Phone: (920) 223-7000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 14118-33 (WI)

Record details

NPI number1710751813
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedNovember 8, 2023
Last updated in NPPESJanuary 1, 2025
Certification dateJanuary 1, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Ascension Medical Group-Fox Valley Wisconsin, Inc — 260 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Oshkosh