McKenzie Marie Alexandra Gassner, PA-C
NPI 1093279507ActiveIndividual· Physician Assistant, Surgical· Portland, OR
Physician Assistant, Surgical (PA-C) with University Professional Services, practicing in Portland, Oregon. Their prescriptions cost Medicare Part D more than their services did: $85,195 for 484 claims, against $7,696 paid for services in 2024. Boston Scientific Corporation reported $18.25 in payments in 2025, mostly food and beverage. Lists Adventist Health Portland and 1 other hospital as hospital affiliations.
Overview
| NPI | 1093279507 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 29, 2019 |
| Last updated in NPPES | Jun 6, 2023 |
| Certified by provider | Jun 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | PA213830 | OR |
| Physician Assistant | 363A00000X | PA6840 | MA |
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 | 89 |
|---|---|
| Services billed | 156 across 19 procedure codes |
| Paid by Medicare | $7,696 |
Part D prescriptions in 2024
| Prescriptions (claims) | 484 · 715 30-day fills |
|---|---|
| Patients | 143 |
| Total drug cost | $85,195 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- University Professional ServicesBeaverton, OR · 1,724 clinicians
Hospital affiliations
- Adventist Health PortlandPortland, OR
- Ohsu Hospital and ClinicsPortland, OR
Industry payments (Open Payments)
- 2025$18.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $18.25 | 1 |
What the 2025 payments were for
- Food and Beverage$18.25 · 1 payment
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