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

Olivia Carol Letter

Individual provider Certified Registered Nurse Anesthetist · NPI 1598583197

Olivia Carol Letter is a Certified Registered Nurse Anesthetist (CRNA) in Oshkosh, Wisconsin. Practices with Green Bay Anesthesia Assoc SC, a 71-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2024

Practice location Address checks out

800 Algoma Blvd
Oshkosh, WI 54901-8610
Phone: (920) 424-1077
Show map & directions

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

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 161098 (WI)

Record details

NPI number1598583197
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 1, 2024
Last updated in NPPESMay 26, 2026
Certification dateMay 26, 2026

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2026 (0 years in practice)
Group practice Green Bay Anesthesia Assoc. Sc — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Oshkosh