Karen Darnell, PA-C
NPI 1538727839ActiveIndividual· Physician Assistant· Roseburg, OR
Physician Assistant (PA-C) in Roseburg, Oregon, trained at University of Wisconsin School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $138,951 for 802 claims, against $8,887 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 3 companies reporting payments in 2025, $96.73 in all, mostly food and beverage.
Overview
| NPI | 1538727839 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 31, 2019 |
| Last updated in NPPES | Sep 25, 2024 |
| Certified by provider | Sep 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 222552 | OR |
| Physician Assistant | 363A00000X | 13037 | MN |
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 (OR); Practitioner - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 146 across 25 procedure codes |
| Paid by Medicare | $8,887 |
Part D prescriptions in 2024
| Prescriptions (claims) | 802 · 1,087 30-day fills |
|---|---|
| Patients | 51 |
| Total drug cost | $138,951 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Physician Assistant |
Medical group
- AdaptWinston, OR · 39 clinicians
Hospital affiliation
- Mercy Medical CenterRoseburg, OR
Other facilities
- Amedisys Home Health CareHome health agency · Roseburg, OR
Industry payments (Open Payments)
- 2025$96.73 · 4 payments from 3 companies
- 2024$18.53 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $50.45 | 2 |
| Novo Nordisk Inc | $23.60 | 1 |
| Abbvie Inc. | $22.68 | 1 |
What the 2025 payments were for
- Food and Beverage$96.73 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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