Krystian K. Kozak, MD
NPI 1336522531ActiveIndividual· Hospitalist· Marinette, WI
Hospitalist (MD) with Aurora Medical Group, Inc., practicing in Marinette, Wisconsin. In 2024 Medicare paid $55,399 for 237 patients, and Part D covered 552 of their prescriptions, 82% of them generic. Lists Aurora Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1336522531 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 7, 2015 |
| Last updated in NPPES | Mar 5, 2024 |
| Certified by provider | Mar 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | N68055-20 | WI |
| Internal Medicine | 207R00000X | 68055 | WI |
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 - Hospitalist (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 237 |
|---|---|
| Services billed | 706 across 11 procedure codes |
| Paid by Medicare | $55,399 |
Part D prescriptions in 2024
| Prescriptions (claims) | 552 · 616 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $37,899 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
Hospital affiliations
- Aurora Medical CenterGrafton, WI
- Aurora Medical Center Sheboygan CountySheboygan, WI
- Aurora Medical Ctr Washington CountyHartford, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
Other facilities
- Aurora at HomeHospice · Wauwatosa, WI
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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