Kathryn Marie Hamer, PA-S
NPI 1003444308ActiveIndividual· Physician Assistant· Winchester, VA
Physician Assistant (PA-S) with Medstar Urgent Care LLC, practicing in Winchester, Virginia. 214 Medicare patients in 2024, $29,290 paid; nearly all of their 175 Part D prescriptions were generic (94%).
Overview
| NPI | 1003444308 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-S |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2020 |
| Last updated in NPPES | Sep 9, 2021 |
| Certified by provider | Sep 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 0110007998 | VA |
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 (DC); Practitioner - Physician Assistant (MD); Practitioner - Physician Assistant (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 214 |
|---|---|
| Services billed | 471 across 48 procedure codes |
| Paid by Medicare | $29,290 |
Part D prescriptions in 2024
| Prescriptions (claims) | 175 · 177 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $3,397 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Medstar Urgent Care LLCWheaton, MD · 300 clinicians
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 224 physician assistants in Winchester · All physician assistants in Virginia