Michelle Lynne Vierra, PA-C
NPI 1659451631ActiveIndividual· Physician Assistant· Issaquah, WA
Physician Assistant (PA-C) with The Association of University Physicians, practicing in Issaquah, Washington. Their prescriptions cost Medicare Part D more than their services did: $37,939 for 677 claims, against $9,006 paid for services in 2024. Lists Harborview Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1659451631 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 16, 2006 |
| Last updated in NPPES | Aug 27, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA10003847 | 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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 155 across 25 procedure codes |
| Paid by Medicare | $9,006 |
Part D prescriptions in 2024
| Prescriptions (claims) | 677 · 1,466 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $37,939 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
Hospital affiliations
- Harborview Medical CenterSeattle, WA
- Overlake Hospital Medical Center & ClinicsBellevue, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Issaquah
- 1124321419
- 1164951422
- 1306041793
- 1316630569
- 1528454717
- 1932658184
- 1104595677
- 1427301084
- 1518995794
- 1114608718
- 1306270137
- 1598182743
All 17 physician assistants in Issaquah · All physician assistants in Washington