Amanda Grace McMasters, NP
NPI 1467970657ActiveIndividual· Nurse Practitioner, Family· Duncan, OK
Nurse Practitioner, Family (NP) with Duncan Regional Hospital, Inc, practicing in Duncan, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $190,574 for 1,124 claims, against $14,368 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $547.13 in all, mostly food and beverage. Lists Duncan Regional Hospital, Inc and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1467970657 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Sep 7, 2017 |
| Last updated in NPPES | Mar 20, 2023 |
| Certified by provider | Mar 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | F08170044 | OK |
| Registered Nurse | 163W00000X | 103884 | OK |
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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 85 |
|---|---|
| Services billed | 200 across 9 procedure codes |
| Paid by Medicare | $14,368 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,124 · 1,606 30-day fills |
|---|---|
| Patients | 234 |
| Total drug cost | $190,574 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Duncan Regional Hospital, IncMarlow, OK · 68 clinicians
Hospital affiliations
- Duncan Regional Hospital, IncDuncan, OK
- Jefferson County HospitalWaurika, OK
- Memorial HealthLawton, OK
Industry payments (Open Payments)
- 2025$547.13 · 32 payments from 11 companies
- 2024$1,097 · 58 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $91.32 | 5 |
| Genzyme Corporation | $86.23 | 4 |
| Inogen, Inc. | $79.40 | 5 |
| Glaxosmithkline, LLC. | $76.24 | 4 |
| Verona Pharma, Inc. | $63.42 | 4 |
What the 2025 payments were for
- Food and Beverage$547.13 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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