Tonya Johannes, ARNP
NPI 1205292448ActiveIndividual· Nurse Practitioner, Family· Oskaloosa, IA
Nurse Practitioner, Family (ARNP) with Mahaska County Hospital, practicing in Oskaloosa, Iowa. Their prescriptions cost Medicare Part D more than their services did: $291,290 for 4,345 claims, against $8,367 paid for services in 2024. Lists Mahaska Health Partnership as a hospital affiliation.
Overview
| NPI | 1205292448 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | Yes |
| NPI issued | Jan 4, 2016 |
| Last updated in NPPES | Jan 4, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | A122183 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 19 |
|---|---|
| Services billed | 255 across 8 procedure codes |
| Paid by Medicare | $8,367 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,345 · 8,340 30-day fills |
|---|---|
| Patients | 271 |
| Total drug cost | $291,290 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mahaska County HospitalBrooklyn, NY · 128 clinicians
Hospital affiliation
- Mahaska Health PartnershipOskaloosa, 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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