Oivind Frederick Westereng, PA-C
NPI 1295044394ActiveIndividual· Physician Assistant· Missoula, MT
Physician Assistant (PA-C) with Express Care Wa PC and 1 other group, practicing in Missoula, Montana. In 2024 Medicare paid $13,049 for 234 patients, and Part D covered 208 of their prescriptions, 81% of them generic. Lists St. Patrick Hospital as a hospital affiliation.
Overview
| NPI | 1295044394 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 7, 2010 |
| Last updated in NPPES | Apr 22, 2024 |
| Certified by provider | Apr 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 628 | MT |
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 (MT); Practitioner - Physician Assistant (OR); Practitioner - Physician Assistant (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 234 |
|---|---|
| Services billed | 322 across 26 procedure codes |
| Paid by Medicare | $13,049 |
Part D prescriptions in 2024
| Prescriptions (claims) | 208 · 212 30-day fills |
|---|---|
| Patients | 165 |
| Total drug cost | $4,954 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Express Care Wa PCSpokane, WA · 66 clinicians
- Express Care Or PCLacey, WA · 60 clinicians
Hospital affiliation
- St. Patrick HospitalMissoula, MT
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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