Martega Marie Walton, NP-C
NPI 1104425586ActiveIndividual· Nurse Practitioner· Texarkana, AR
Nurse Practitioner (NP-C) with Pallicare, Inc, practicing in Texarkana, Arkansas. Their prescriptions cost Medicare Part D more than their services did: $532,948 for 4,026 claims, against $40,938 paid for services in 2024. Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $116.88 in all, mostly food and beverage. Lists Christus St Michael Health System and 1 other hospital as hospital affiliations.
Overview
| NPI | 1104425586 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | Yes |
| NPI issued | Oct 18, 2020 |
| Last updated in NPPES | Feb 4, 2022 |
| Certified by provider | Feb 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 213269 | AR |
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 (AR); Practitioner - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 249 |
|---|---|
| Services billed | 1,886 across 61 procedure codes |
| Paid by Medicare | $40,938 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,026 · 8,492 30-day fills |
|---|---|
| Patients | 418 |
| Total drug cost | $532,948 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Pallicare, IncTexarkana, TX · 91 clinicians
Hospital affiliations
- Christus St Michael Health SystemTexarkana, TX
- Little River Memorial HospitalAshdown, AR
Other facilities
- Centerwell Home HealthHome health agency · Texarkana, AR
- Elite Home HealthHome health agency · Nashville, AR
- Little River Memorial Hospital Home HealthHome health agency · Ashdown, AR
Industry payments (Open Payments)
- 2025$116.88 · 3 payments from 2 companies
- 2024$497.24 · 32 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $101.87 | 2 |
| Glaxosmithkline, LLC. | $15.01 | 1 |
What the 2025 payments were for
- Food and Beverage$116.88 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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