Theresa Birchfield, PA
NPI 1780206854ActiveIndividual· Physician Assistant· Reno, NV
Physician Assistant (PA) in Reno, Nevada, with an NPI issued in May 2020. 258 Medicare patients in 2024, $37,507 paid; nearly all of their 1,723 Part D prescriptions were generic (98%). Regeneron Healthcare Solutions, Inc. was the largest of 4 companies reporting payments in 2025, $230.58 in all, mostly food and beverage. Lists Renown Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1780206854 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | May 12, 2020 |
| Last updated in NPPES | Jul 27, 2021 |
| Certified by provider | Jul 27, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 258 |
|---|---|
| Services billed | 486 across 13 procedure codes |
| Paid by Medicare | $37,507 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,723 · 2,417 30-day fills |
|---|---|
| Patients | 547 |
| Total drug cost | $41,808 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Hospital affiliation
- Renown Regional Medical CenterReno, NV
Industry payments (Open Payments)
- 2025$230.58 · 8 payments from 4 companies
- 2024$36.95 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $78.48 | 3 |
| Genzyme Corporation | $60.16 | 2 |
| Glaxosmithkline, LLC. | $57.94 | 2 |
| Amgen Inc. | $34.00 | 1 |
What the 2025 payments were for
- Food and Beverage$178.87 · 6 payments
- Education$51.71 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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