Andrew Zilka
NPI 1104286582ActiveIndividual· Physician Assistant· Watertown, NY
Physician Assistant with Samaritan Medical Practice PC, practicing in Watertown, New York. Mostly services rather than prescriptions: Medicare paid $16,411 for 98 patients in 2024, with only 27 Part D claims. Stryker Corporation was the largest of 5 companies reporting payments in 2025, $266.44 in all, mostly food and beverage. Lists Samaritan Medical Center as a hospital affiliation.
Overview
| NPI | 1104286582 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Feb 29, 2016 |
| Last updated in NPPES | Jul 24, 2023 |
| Certified by provider | Jul 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
| Physician Assistant, Medical | 363AM0700X | — | — |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 752 across 23 procedure codes |
| Paid by Medicare | $16,411 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 27 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $281.56 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Samaritan Medical Practice PCWatertown, NY · 29 clinicians
Hospital affiliation
- Samaritan Medical CenterWatertown, NY
Industry payments (Open Payments)
- 2025$266.44 · 6 payments from 5 companies
- 2024$91.77 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $109.23 | 1 |
| Vericel Corporation | $72.62 | 1 |
| Vertex Pharmaceuticals Incorporated | $40.21 | 2 |
| Baxter Healthcare | $24.70 | 1 |
| Endo USA, Inc. | $19.68 | 1 |
What the 2025 payments were for
- Food and Beverage$266.44 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 physician assistants in Watertown · All physician assistants in New York