Crystal Dreher, APRN, FNP
NPI 1578117461ActiveIndividual· Nurse Practitioner· Amarillo, TX
Nurse Practitioner (APRN, FNP) with Kalil Al-Nassir MD PA, practicing in Amarillo, Texas. Part D covered 2,837 prescriptions written in 2024, 29% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $492.06 in all, mostly food and beverage. Lists Northwest Texas Hospital as a hospital affiliation.
Overview
| NPI | 1578117461 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN, FNP |
| Sole proprietor | No |
| NPI issued | Jul 29, 2019 |
| Last updated in NPPES | Jul 29, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | AP142170 | TX |
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 (TX) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,837 · 3,378 30-day fills |
|---|---|
| Patients | 466 |
| Total drug cost | $1,550,033 |
| Generic share | 29% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Kalil Al-Nassir MD PAAmarillo, TX · 2 clinicians
Hospital affiliation
- Northwest Texas HospitalAmarillo, TX
Industry payments (Open Payments)
- 2025$492.06 · 25 payments from 11 companies
- 2024$537.41 · 36 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $117.30 | 7 |
| Regeneron Healthcare Solutions, Inc. | $58.52 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $53.68 | 3 |
| Insmed, Inc. | $47.62 | 2 |
| Verona Pharma, Inc. | $44.02 | 2 |
What the 2025 payments were for
- Food and Beverage$492.06 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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