Mary Hackbarth, ARNP
NPI 1851847560ActiveIndividual· Nurse Practitioner, Family· Ames, IA
Nurse Practitioner, Family (ARNP) with Catholic Health Initiatives-Iowa Corp, practicing in Ames, Iowa. Their prescriptions cost Medicare Part D more than their services did: $1,282,658 for 9,443 claims, against $91,509 paid for services in 2024. Boston Scientific Corporation was the largest of 4 companies reporting payments in 2025, $308.47 in all, mostly food and beverage. Lists Boone County Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1851847560 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Sep 1, 2016 |
| Last updated in NPPES | Apr 27, 2020 |
| Certified by provider | Apr 27, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | A078632 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 810 |
|---|---|
| Services billed | 2,411 across 14 procedure codes |
| Paid by Medicare | $91,509 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,443 · 21,943 30-day fills |
|---|---|
| Patients | 1,239 |
| Total drug cost | $1,282,658 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Catholic Health Initiatives-Iowa CorpAmes, IA · 113 clinicians
Hospital affiliations
- Boone County HospitalBoone, IA
- Hansen Family HospitalIowa Falls, IA
- Mary Greeley Medical CenterAmes, IA
- Mercyone Des Moines Medical CenterDes Moines, IA
- Van Diest Medical CenterWebster City, IA
Industry payments (Open Payments)
- 2025$308.47 · 22 payments from 4 companies
- 2024$256.21 · 21 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $220.27 | 18 |
| Abbott Laboratories | $44.98 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $23.17 | 1 |
| E.R. Squibb & Sons, L.L.C. | $20.05 | 1 |
What the 2025 payments were for
- Food and Beverage$308.47 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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