Derek F. Andrzejewski, PA-C
NPI 1437785268ActiveIndividual· Physician Assistant, Medical· Seattle, WA
Physician Assistant, Medical (PA-C) with Kaiser Foundation Health Plan of Washington, practicing in Seattle, Washington. Enrolled in Medicare as practitioner - physician assistant and practitioner - physician assistant. Genzyme Corporation was the largest of 25 companies reporting payments in 2025, $3,686 in all, mostly food and beverage.
Overview
| NPI | 1437785268 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 12, 2020 |
| Last updated in NPPES | Mar 16, 2026 |
| Certified by provider | Mar 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA70082059 | WA |
| Physician Assistant, Medical | 363AM0700X | PA57779 | CA |
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 (CA); Practitioner - Physician Assistant (WA) |
|---|
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Kaiser Foundation Health Plan of WashingtonBellevue, WA · 1,526 clinicians
Industry payments (Open Payments)
- 2025$3,686 · 169 payments from 25 companies
- 2024$3,112 · 139 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $483.44 | 15 |
| Astrazeneca Pharmaceuticals LP | $403.18 | 28 |
| Glaxosmithkline, LLC. | $364.69 | 25 |
| Pfizer Inc. | $304.84 | 14 |
| Regeneron Healthcare Solutions, Inc. | $303.90 | 14 |
What the 2025 payments were for
- Food and Beverage$3,686 · 169 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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