Theresa Hallengren, ARNP-FNP-BC
NPI 1861161267ActiveIndividual· Nurse Practitioner, Primary Care· Cedar Rapids, IA
Nurse Practitioner, Primary Care (ARNP-FNP-BC) with Mercy Physician Associates Inc and 1 other group, practicing in Cedar Rapids, Iowa. 377 Medicare patients in 2024, $27,095 paid; nearly all of their 492 Part D prescriptions were generic (91%). Lists Mercy Medical Center - Cedar Rapids as a hospital affiliation.
Overview
| NPI | 1861161267 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP-FNP-BC |
| Sole proprietor | No |
| NPI issued | Sep 9, 2021 |
| Last updated in NPPES | Sep 9, 2021 |
| Certified by provider | Sep 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | A165492 | IA |
| Nurse Practitioner, Family | 363LF0000X | 133979 | 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 | 377 |
|---|---|
| Services billed | 655 across 27 procedure codes |
| Paid by Medicare | $27,095 |
Part D prescriptions in 2024
| Prescriptions (claims) | 492 · 493 30-day fills |
|---|---|
| Patients | 365 |
| Total drug cost | $7,079 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Mercy Physician Associates IncHiawatha, IA · 101 clinicians
- Mercy Care Management, IncCedar Rapids, IA · 33 clinicians
Hospital affiliation
- Mercy Medical Center - Cedar RapidsCedar Rapids, IA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other primary care nurse practitioners in Cedar Rapids
- 1841008034