George Christopher Zak, DO
NPI 1205414265ActiveIndividual· Surgery· Tripler Army Medical Center, HI
Surgery (DO) in Tripler Army Medical Center, Hawaii, licensed in OR, with an NPI issued in March 2021. Part D covered 31 prescriptions written in 2024, 100% of them generic.
Overview
| NPI | 1205414265 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 31, 2021 |
| Last updated in NPPES | Aug 21, 2026 |
| Certified by provider | Aug 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | DO228656 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Order and Referring Only - General Surgery (OR) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 31 · 34 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $193.02 |
| Generic share | 100% of claims |
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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