Amy Dianna Wallen, FNP
NPI 1831581222ActiveIndividual· Nurse Practitioner· Farmington, MO
Nurse Practitioner (FNP) with Mineral Area Psychiatric Services LLC, practicing in Farmington, Missouri. Their prescriptions cost Medicare Part D more than their services did: $866,733 for 10,248 claims, against $149,582 paid for services in 2024. Teva Pharmaceuticals USA, Inc. was the largest of 4 companies reporting payments in 2025, $220.37 in all, mostly food and beverage.
Overview
| NPI | 1831581222 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | Yes |
| NPI issued | Feb 23, 2015 |
| Last updated in NPPES | Dec 17, 2025 |
| Certified by provider | Dec 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 2015006782 | 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 | 455 |
|---|---|
| Services billed | 2,165 across 19 procedure codes |
| Paid by Medicare | $149,582 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,248 · 10,311 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $866,733 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mineral Area Psychiatric Services LLCFarmington, MO · 10 clinicians
Other facilities
- Centerwell Home HealthHome health agency · Rolla, MO
Industry payments (Open Payments)
- 2025$220.37 · 5 payments from 4 companies
- 2024$38.95 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $81.84 | 1 |
| E.R. Squibb & Sons, L.L.C. | $78.33 | 1 |
| Alkermes, Inc. | $43.91 | 2 |
| Abbvie Inc. | $16.29 | 1 |
What the 2025 payments were for
- Food and Beverage$220.37 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 nurse practitioners in Farmington · All nurse practitioners in Missouri