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

Mrs. Katherine Lynn Erstad, NP

Individual provider Family Nurse Practitioner · NPI 1497033609

Mrs. Katherine Lynn Erstad, NP is a Nurse Practitioner in Appleton, Wisconsin. Qualified in 2011, 15 years ago. Practices with Fox Valley Surgical Associates Ltd, a 35-clinician group and accepts Medicare assignment. Licensed in Texas and Wisconsin.

Years since qualifying
15
Licensed in
TX, WI
In the registry since
2011
Specialties on file
3
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

145 W Calumet St
Appleton, WI 54915-4934
Phone: (920) 967-4141
Fax: (833) 972-1585
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 4894-33 (WI)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence TEMP (TX)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 4894 (WI)

Record details

NPI number1497033609
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 22, 2011
Last updated in NPPESNovember 13, 2024
Certification dateNovember 13, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Fox Valley Surgical Associates Ltd — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Appleton