Kayla Walker, PA
NPI 1831863463ActiveIndividual· Physician Assistant· Ozark, MO
Physician Assistant (PA) with Lester E Cox Medical Centers, practicing in Ozark, Missouri. Their prescriptions cost Medicare Part D more than their services did: $109,000 for 699 claims, against $9,695 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 20 companies reporting payments in 2025, $2,299 in all, mostly food and beverage. Lists Cox Medical Centers as a hospital affiliation.
Overview
| NPI | 1831863463 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Aug 6, 2021 |
| Last updated in NPPES | Sep 1, 2021 |
| Certified by provider | Sep 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2021011769 | MO |
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 - Physician Assistant (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 108 |
|---|---|
| Services billed | 283 across 34 procedure codes |
| Paid by Medicare | $9,695 |
Part D prescriptions in 2024
| Prescriptions (claims) | 699 · 1,259 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $109,000 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Lester E Cox Medical CentersOzark, MO · 246 clinicians
Hospital affiliation
- Cox Medical CentersSpringfield, MO
Industry payments (Open Payments)
- 2025$2,299 · 149 payments from 20 companies
- 2024$1,257 · 75 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $517.89 | 38 |
| Axsome Therapeutics, Inc. | $276.75 | 14 |
| Novo Nordisk Inc | $217.62 | 13 |
| Abbvie Inc. | $210.13 | 17 |
| Pfizer Inc. | $184.54 | 12 |
What the 2025 payments were for
- Food and Beverage$2,299 · 149 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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