Peter William Anderson, DC, PA-C
NPI 1144337916ActiveIndividual· Physician Assistant, Medical· Salem, OR
Physician Assistant, Medical (DC, PA-C) with Oregon Oncology Specialists LLP, practicing in Salem, Oregon. Their prescriptions cost Medicare Part D more than their services did: $106,181 for 704 claims, against $51,100 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,869 in all, mostly food and beverage. Lists Salem Health West Valley and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1144337916 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DC, PA-C |
| Sole proprietor | No |
| NPI issued | Aug 25, 2006 |
| Last updated in NPPES | Feb 20, 2024 |
| Certified by provider | Feb 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 197354 | OR |
| Chiropractor | 111N00000X | 2958 | OR |
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 - Chiropractic (OR); Practitioner - Physician Assistant (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 268 |
|---|---|
| Services billed | 1,361 across 25 procedure codes |
| Paid by Medicare | $51,100 |
Part D prescriptions in 2024
| Prescriptions (claims) | 704 · 843 30-day fills |
|---|---|
| Patients | 243 |
| Total drug cost | $106,181 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Oregon Oncology Specialists LLPSalem, OR · 41 clinicians
Hospital affiliations
- Salem Health West ValleyDallas, OR
- Salem HospitalSalem, OR
- Willamette Valley Medical CenterMcMinnville, OR
Industry payments (Open Payments)
- 2025$1,869 · 97 payments from 17 companies
- 2024$1,335 · 67 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $448.72 | 18 |
| Amgen Inc. | $229.45 | 10 |
| Viiv Healthcare Company | $188.79 | 8 |
| Insmed, Inc. | $173.89 | 11 |
| Gilead Sciences, Inc. | $165.88 | 11 |
What the 2025 payments were for
- Food and Beverage$1,852 · 96 payments
- Education$17.69 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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