Karen Rae Walker, PA-C
NPI 1134883010ActiveIndividual· Physician Assistant· Auburn, CA
Physician Assistant (PA-C) with Western Sierra Medical Clinic Inc and 1 other group, practicing in Auburn, California. Their prescriptions cost Medicare Part D more than their services did: $200,062 for 2,272 claims, against $621.06 paid for services in 2024. Leo Pharma Inc. was the largest of 3 companies reporting payments in 2025, $81.33 in all, mostly food and beverage. Lists Sierra Nevada Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1134883010 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 26, 2021 |
| Last updated in NPPES | Oct 26, 2021 |
| Certified by provider | Oct 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 60284 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 61 across 4 procedure codes |
| Paid by Medicare | $621.06 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,272 · 4,194 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $200,062 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Western Sierra Medical Clinic IncDownieville, CA · 36 clinicians
- Chacon Bnk PCRocklin, CA · 6 clinicians
Hospital affiliations
- Sierra Nevada Memorial HospitalGrass Valley, CA
- Sutter Auburn Faith HospitalAuburn, CA
- Sutter Medical Center, SacramentoSacramento, CA
Other facilities
- Progressive Home Care - AuburnHome health agency · Auburn, CA
Industry payments (Open Payments)
- 2025$81.33 · 4 payments from 3 companies
- 2024$57.95 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Leo Pharma Inc. | $41.88 | 2 |
| Braeburn Inc. | $24.33 | 1 |
| Biofrontera Inc. | $15.12 | 1 |
What the 2025 payments were for
- Food and Beverage$81.33 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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