Ann Elizabeth Grimstad, ARNP
NPI 1912901364ActiveIndividual· Nurse Practitioner, Family· Decorah, IA
Nurse Practitioner, Family (ARNP) with Winneshiek Medical Center, practicing in Decorah, Iowa. Part D covered 1,324 prescriptions written in 2024, 85% of them generic. Lists Winnmed as a hospital affiliation.
Overview
| NPI | 1912901364 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Jun 13, 2005 |
| Last updated in NPPES | Feb 24, 2021 |
| Certified by provider | Feb 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | A104292 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (IA); Practitioner - Nurse Practitioner (MN) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,324 · 2,691 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $96,142 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Winneshiek Medical CenterDecorah, IA · 101 clinicians
Hospital affiliation
- WinnmedDecorah, IA
Other facilities
- Winnmed Home HealthHome health agency · Decorah, IA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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