Derek W. Harper, PA
NPI 1184991317ActiveIndividual· Physician Assistant· Lufkin, TX
Physician Assistant (PA) with Doctx1 PLLC, practicing in Lufkin, Texas. 575 Medicare patients in 2024, $86,477 paid; all of their 834 Part D prescriptions were generic. Orthofix Medical, Inc. reported $36.61 in payments in 2025, mostly food and beverage. Lists Chi St Lukes Health Memorial Lufkin and 1 other hospital as hospital affiliations.
Overview
| NPI | 1184991317 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Nov 16, 2011 |
| Last updated in NPPES | May 9, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | TX |
| Physician Assistant, Surgical | 363AS0400X | — | 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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 575 |
|---|---|
| Services billed | 16,920 across 76 procedure codes |
| Paid by Medicare | $86,477 |
Part D prescriptions in 2024
| Prescriptions (claims) | 834 · 840 30-day fills |
|---|---|
| Patients | 509 |
| Total drug cost | $3,534 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Doctx1 PLLCLufkin, TX · 6 clinicians
Hospital affiliations
- Chi St Lukes Health Memorial LufkinLufkin, TX
- Woodland Heights Medical CenterLufkin, TX
Other facilities
- Dedicated Home HealthHome health agency · Lufkin, TX
Industry payments (Open Payments)
- 2025$36.61 · 3 payments from 1 company
- 2024$59.07 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Orthofix Medical, Inc. | $36.61 | 3 |
What the 2025 payments were for
- Food and Beverage$36.61 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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