Amy Sage Thomsen, PA-C
NPI 1043449119ActiveIndividual· Physician Assistant· Fairfield, CA
Physician Assistant (PA-C) in Fairfield, California, licensed in CA, with an NPI issued in July 2009. 312 Medicare patients in 2024, $28,401 paid; nearly all of their 200 Part D prescriptions were generic (92%).
Overview
| NPI | 1043449119 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 9, 2009 |
| Last updated in NPPES | Oct 29, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 20370 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 312 |
|---|---|
| Services billed | 385 across 21 procedure codes |
| Paid by Medicare | $28,401 |
Part D prescriptions in 2024
| Prescriptions (claims) | 200 · 200 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $5,081 |
| Generic share | 92% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 physician assistants in Fairfield · All physician assistants in California