Melissa Walsh, P.A.
NPI 1033512918ActiveIndividual· Physician Assistant· Salem, OR
Physician Assistant (P.A.) with Oregon Oncology Specialists LLP, practicing in Salem, Oregon. Their prescriptions cost Medicare Part D more than their services did: $259,366 for 771 claims, against $62,410 paid for services in 2024. Janssen Scientific Affairs, LLC was the largest of 13 companies reporting payments in 2025, $737.80 in all, mostly food and beverage. Lists Salem Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1033512918 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Oct 6, 2014 |
| Last updated in NPPES | Dec 1, 2022 |
| Certified by provider | Dec 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA169997 | OR |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 253 |
|---|---|
| Services billed | 3,160 across 55 procedure codes |
| Paid by Medicare | $62,410 |
Part D prescriptions in 2024
| Prescriptions (claims) | 771 · 950 30-day fills |
|---|---|
| Patients | 277 |
| Total drug cost | $259,366 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Oregon Oncology Specialists LLPSalem, OR · 41 clinicians
Hospital affiliations
- Salem HospitalSalem, OR
- Willamette Valley Medical CenterMcMinnville, OR
Industry payments (Open Payments)
- 2025$737.80 · 30 payments from 13 companies
- 2024$357.42 · 15 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Scientific Affairs, LLC | $139.80 | 1 |
| Janssen Biotech, Inc. | $102.69 | 1 |
| Seagen Inc. | $99.00 | 1 |
| Pfizer Inc. | $81.21 | 13 |
| Glaxosmithkline, LLC. | $71.55 | 3 |
What the 2025 payments were for
- Food and Beverage$638.80 · 29 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Salem
- 1023057221
- 1033699731
- 1043546534
- 1043988447
- 1114670965
- 1134773450
- 1184346348
- 1194466136
- 1225569395
- 1255369765
- 1306005681
- 1306394317
All 131 physician assistants in Salem · All physician assistants in Oregon