Allison Elizabeth Kos, PA-C
NPI 1235121542ActiveIndividual· Physician Assistant, Surgical· Portland, OR
Physician Assistant, Surgical (PA-C) with Portland Adventist Medical Center and 1 other group, practicing in Portland, Oregon. 21 Medicare patients in 2024, $5,031 paid; nearly all of their 144 Part D prescriptions were generic (96%). Atricure, Inc. was the largest of 2 companies reporting payments in 2025, $113.17 in all, mostly food and beverage. Lists Adventist Health Portland and 1 other hospital as hospital affiliations.
Overview
| NPI | 1235121542 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 22, 2005 |
| Last updated in NPPES | Oct 6, 2025 |
| Certified by provider | Oct 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | PA00857 | OR |
| Physician Assistant, Surgical | 363AS0400X | PA10004422 | WA |
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); Practitioner - Physician Assistant (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 42 across 17 procedure codes |
| Paid by Medicare | $5,031 |
Part D prescriptions in 2024
| Prescriptions (claims) | 144 · 180 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $1,098 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Portland Adventist Medical CenterPortland, OR · 271 clinicians
- PeacehealthVancouver, WA · 249 clinicians
Hospital affiliations
- Adventist Health PortlandPortland, OR
- Peacehealth Southwest Medical CenteVancouver, WA
Industry payments (Open Payments)
- 2025$113.17 · 3 payments from 2 companies
- 2024$174.11 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $83.54 | 2 |
| Haemonetics Corporation | $29.63 | 1 |
What the 2025 payments were for
- Food and Beverage$113.17 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 183 surgical physician assistants in Portland · All surgical physician assistants in Oregon