Alyssa Rex Tarburton, PA-C
NPI 1407280977ActiveIndividual· Physician Assistant· Wilmington, DE
Physician Assistant (PA-C) with Zarek Donohue LLC, practicing in Wilmington, Delaware. Their prescriptions cost Medicare Part D more than their services did: $140,083 for 1,126 claims, against $28,206 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $488.48 in all, mostly food and beverage. Lists Christiana Hospital as a hospital affiliation.
Overview
| NPI | 1407280977 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Sep 2, 2013 |
| Last updated in NPPES | Sep 29, 2020 |
| Certified by provider | Sep 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | C01530 | MD |
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 (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 107 |
|---|---|
| Services billed | 510 across 33 procedure codes |
| Paid by Medicare | $28,206 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,126 · 2,447 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $140,083 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Zarek Donohue LLCWilmington, DE · 22 clinicians
Hospital affiliation
- Christiana HospitalNewark, DE
Industry payments (Open Payments)
- 2025$488.48 · 30 payments from 9 companies
- 2024$726.62 · 42 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $147.80 | 11 |
| Novo Nordisk Inc | $109.48 | 6 |
| Pfizer Inc. | $86.39 | 4 |
| Exact Sciences Corporation | $43.43 | 3 |
| Astellas Pharma US Inc | $34.96 | 2 |
What the 2025 payments were for
- Food and Beverage$488.48 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 142 physician assistants in Wilmington · All physician assistants in Delaware