Christina Hammaker, P.A.
NPI 1740432459ActiveIndividual· Physician Assistant· Washington, DC
Physician Assistant (P.A.) in Washington, District of Columbia, licensed in DC, with an NPI issued in October 2008. Part D covered 161 prescriptions written in 2024, 84% of them generic. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $674.22 in all, mostly food and beverage.
Overview
| NPI | 1740432459 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Oct 14, 2008 |
| Last updated in NPPES | Dec 4, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA030558 | DC |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 161 · 287 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $35,488 |
| Generic share | 84% of claims |
Industry payments (Open Payments)
- 2025$674.22 · 27 payments from 10 companies
- 2024$752.60 · 36 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $211.36 | 9 |
| Lilly USA, LLC | $106.16 | 4 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $103.87 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $100.33 | 4 |
| Life Molecular Imaging Ltd | $45.02 | 1 |
What the 2025 payments were for
- Food and Beverage$674.22 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 552 physician assistants in Washington · All physician assistants in District of Columbia