Kristy Keller Walker, PA-C
NPI 1164534491ActiveIndividual· Physician Assistant· Fayetteville, AR
Physician Assistant (PA-C) with Ozark Dermatology Clinic, practicing in Fayetteville, Arkansas. 640 Medicare patients in 2024, $112,075 paid; nearly all of their 722 Part D prescriptions were generic (94%). Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $687.44 in all, mostly food and beverage.
Overview
| NPI | 1164534491 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | May 14, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA-232 | AR |
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 (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 640 |
|---|---|
| Services billed | 3,334 across 42 procedure codes |
| Paid by Medicare | $112,075 |
Part D prescriptions in 2024
| Prescriptions (claims) | 722 · 786 30-day fills |
|---|---|
| Patients | 265 |
| Total drug cost | $97,564 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Ozark Dermatology ClinicFayetteville, AR · 15 clinicians
Industry payments (Open Payments)
- 2025$687.44 · 35 payments from 11 companies
- 2024$728.29 · 37 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $248.37 | 16 |
| Genzyme Corporation | $151.98 | 5 |
| Novartis Pharmaceuticals Corporation | $100.37 | 4 |
| Lilly USA, LLC | $52.62 | 2 |
| Ucb, Inc. | $31.90 | 2 |
What the 2025 payments were for
- Food and Beverage$687.44 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 physician assistants in Fayetteville · All physician assistants in Arkansas