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

Ann Elizabeth Grimstad, ARNP

Individual provider Family Nurse Practitioner · NPI 1912901364

Ann Elizabeth Grimstad, ARNP is a Nurse Practitioner in Decorah, Iowa. Qualified in 2003, 23 years ago. Practices with Winneshiek Medical Center, a 99-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
23
Licensed in
IA
In the registry since
2005
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

901 Montgomery St
Decorah, IA 52101-2325
Phone: (563) 382-2911
Fax: (563) 387-3102
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

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence A104292 (IA)

Record details

NPI number1912901364
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedJune 13, 2005
Last updated in NPPESFebruary 24, 2021
Certification dateFebruary 24, 2021
Mailing address1300 Big Sky Ln, Decorah, IA 52101-2502

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Winneshiek Medical Center — 99 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Decorah