Misty Wayne Simpson, RN, MSN, RNFA, ACNP-
NPI 1538311741ActiveIndividual· Nurse Practitioner, Acute Care· Irving, TX
Nurse Practitioner, Acute Care (RN, MSN, RNFA, ACNP-) with Healthtexas Provider Network, practicing in Irving, Texas. Their prescriptions cost Medicare Part D more than their services did: $517,043 for 2,896 claims, against $59,141 paid for services in 2024. Amgen Inc. was the largest of 13 companies reporting payments in 2025, $866.55 in all, mostly food and beverage. Lists Baylor Scott & White Heart & Vascular Hospital - Dallas and 1 other hospital as hospital affiliations.
Overview
| NPI | 1538311741 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, MSN, RNFA, ACNP- |
| Sole proprietor | No |
| NPI issued | Oct 21, 2008 |
| Last updated in NPPES | Apr 11, 2022 |
| Certified by provider | Apr 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 686711 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 640 |
|---|---|
| Services billed | 1,051 across 15 procedure codes |
| Paid by Medicare | $59,141 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,896 · 7,145 30-day fills |
|---|---|
| Patients | 654 |
| Total drug cost | $517,043 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Healthtexas Provider NetworkWaxahachie, TX · 2,697 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$866.55 · 54 payments from 13 companies
- 2024$975.41 · 59 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $172.52 | 16 |
| Pfizer Inc. | $145.90 | 8 |
| E.R. Squibb & Sons, L.L.C. | $139.16 | 9 |
| Novartis Pharmaceuticals Corporation | $111.34 | 6 |
| Astrazeneca Pharmaceuticals LP | $67.98 | 3 |
What the 2025 payments were for
- Food and Beverage$866.55 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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