Diana M. Seaders, PA
NPI 1285979138ActiveIndividual· Physician Assistant, Medical· Salem, OR
Physician Assistant, Medical (PA) with University Professional Services and 1 other group, practicing in Salem, Oregon. 107 Medicare patients in 2024, $58,153 paid; nearly all of their 69 Part D prescriptions were generic (91%). Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $948.27 in all, mostly food and beverage. Lists Ohsu Hospital and Clinics and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1285979138 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Dec 4, 2012 |
| Last updated in NPPES | Dec 10, 2025 |
| Certified by provider | Dec 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA164959 | OR |
| Physician Assistant | 363A00000X | 5318 | AZ |
| Physician Assistant | 363A00000X | PA164969 | 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 | 107 |
|---|---|
| Services billed | 1,242 across 32 procedure codes |
| Paid by Medicare | $58,153 |
Part D prescriptions in 2024
| Prescriptions (claims) | 69 · 77 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $35,467 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- University Professional ServicesBeaverton, OR · 1,724 clinicians
- Oregon Oncology Specialists LLPSalem, OR · 41 clinicians
Hospital affiliations
- Ohsu Hospital and ClinicsPortland, OR
- Salem Health West ValleyDallas, OR
- Salem HospitalSalem, OR
Industry payments (Open Payments)
- 2025$948.27 · 36 payments from 15 companies
- 2024$1,114 · 17 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $262.58 | 12 |
| Janssen Biotech, Inc. | $174.75 | 5 |
| Stemline Therapeutics Inc. | $118.00 | 1 |
| Genzyme Corporation | $43.86 | 1 |
| Genentech USA, Inc. | $40.71 | 2 |
What the 2025 payments were for
- Food and Beverage$849.27 · 35 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 physician assistants in Salem · All physician assistants in Oregon