Shaun McGowan, PA-C
NPI 1487305173ActiveIndividual· Physician Assistant, Medical· Roseburg, OR
Physician Assistant, Medical (PA-C) with Centennial Medical Group Inc, practicing in Roseburg, Oregon. Their prescriptions cost Medicare Part D more than their services did: $1,170,576 for 1,443 claims, against $17,845 paid for services in 2024. Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $170.28 in all, mostly food and beverage. Lists Mercy Medical Center as a hospital affiliation.
Overview
| NPI | 1487305173 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 13, 2022 |
| Last updated in NPPES | Jan 13, 2022 |
| Certified by provider | Jan 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | — |
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 | 221 |
|---|---|
| Services billed | 297 across 5 procedure codes |
| Paid by Medicare | $17,845 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,443 · 2,030 30-day fills |
|---|---|
| Patients | 416 |
| Total drug cost | $1,170,576 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Centennial Medical Group IncRoseburg, OR · 59 clinicians
Hospital affiliation
- Mercy Medical CenterRoseburg, OR
Industry payments (Open Payments)
- 2025$170.28 · 9 payments from 6 companies
- 2024$290.98 · 10 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $38.64 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $38.05 | 2 |
| Janssen Biotech, Inc. | $37.73 | 2 |
| Braintree Laboratories, Inc. | $21.28 | 1 |
| Gilead Sciences, Inc. | $18.00 | 1 |
What the 2025 payments were for
- Food and Beverage$170.28 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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