Amy Elizabeth Marpu, NP
NPI 1790347417ActiveIndividual· Nurse Practitioner· Joplin, MO
Nurse Practitioner (NP) with Freeman-Oak Hill Health System, practicing in Joplin, Missouri. Their prescriptions cost Medicare Part D more than their services did: $187,594 for 569 claims, against $13,388 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $365.42 in all, mostly food and beverage. Lists Freeman Health System - Freeman West and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1790347417 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 2, 2019 |
| Last updated in NPPES | Nov 29, 2023 |
| Certified by provider | Nov 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 2019021582 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 145 |
|---|---|
| Services billed | 234 across 9 procedure codes |
| Paid by Medicare | $13,388 |
Part D prescriptions in 2024
| Prescriptions (claims) | 569 · 778 30-day fills |
|---|---|
| Patients | 142 |
| Total drug cost | $187,594 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Freeman-Oak Hill Health SystemJoplin, MO · 394 clinicians
Hospital affiliations
- Freeman Health System - Freeman WestJoplin, MO
- Mercy Hospital CarthageCarthage, MO
- Mercy Hospital JoplinJoplin, MO
Industry payments (Open Payments)
- 2025$365.42 · 7 payments from 4 companies
- 2024$204.00 · 6 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $177.73 | 3 |
| Madrigal Pharmaceuticals | $119.08 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $42.90 | 2 |
| Ardelyx, Inc. | $25.71 | 1 |
What the 2025 payments were for
- Food and Beverage$365.42 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 91 nurse practitioners in Joplin · All nurse practitioners in Missouri