Cassandra M. Zimmerman, DNP, ARNP
NPI 1649922410ActiveIndividual· Nurse Practitioner, Primary Care· Marion, IA
Nurse Practitioner, Primary Care (DNP, ARNP) with Iowa Physicians Clinic Medical Foundation, practicing in Marion, Iowa. Their prescriptions cost Medicare Part D more than their services did: $163,126 for 2,520 claims, against $39,073 paid for services in 2024. Lists St Lukes Hospital as a hospital affiliation.
Overview
| NPI | 1649922410 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, ARNP |
| Sole proprietor | No |
| NPI issued | Jan 24, 2022 |
| Last updated in NPPES | Oct 1, 2024 |
| Certified by provider | Jan 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | A166238 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 107 |
|---|---|
| Services billed | 802 across 42 procedure codes |
| Paid by Medicare | $39,073 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,520 · 5,258 30-day fills |
|---|---|
| Patients | 202 |
| Total drug cost | $163,126 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Iowa Physicians Clinic Medical FoundationDes Moines, IA · 1,246 clinicians
Hospital affiliation
- St Lukes HospitalCedar Rapids, IA
Other facilities
- Unitypoint at HomeHome health agency · Cedar Rapids, IA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records