Mark Williams, PA
NPI 1265742662ActiveIndividual· Physician Assistant· Medford, OR
Physician Assistant (PA) with Rogue Valley Physicians, practicing in Medford, Oregon. Their prescriptions cost Medicare Part D more than their services did: $188,083 for 2,208 claims, against $29,737 paid for services in 2024. Lists Asante Rogue Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1265742662 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Oct 19, 2010 |
| Last updated in NPPES | Oct 15, 2020 |
| Certified by provider | Oct 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA152965 | 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 - Physician Assistant (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 295 |
|---|---|
| Services billed | 864 across 41 procedure codes |
| Paid by Medicare | $29,737 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,208 · 4,725 30-day fills |
|---|---|
| Patients | 590 |
| Total drug cost | $188,083 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Rogue Valley PhysiciansMedford, OR · 22 clinicians
Hospital affiliation
- Asante Rogue Regional Medical CenterMedford, OR
Other facilities
- Assured Home HealthHome health agency · Grants Pass, OR
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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