Mariusz Tomasz Koziol I, M.D.
NPI 1376752634ActiveIndividual· Obstetrics & Gynecology· Elk Grove Village, IL
Obstetrics & Gynecology (M.D.) in Elk Grove Village, Illinois, licensed in IL, with an NPI issued in May 2007. 32 Medicare patients in 2024, $4,355 paid; nearly all of their 57 Part D prescriptions were generic (98%). Mayne Pharma Commercial LLC was the largest of 8 companies reporting payments in 2025, $286.77 in all, mostly food and beverage. Lists Alexian Brothers Medical Center 1 and 1 other hospital as hospital affiliations.
Overview
| NPI | 1376752634 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 22, 2007 |
| Last updated in NPPES | Nov 19, 2025 |
| Certified by provider | Nov 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 036118758 | IL |
| Obstetrics & Gynecology | 207V00000X | 036.118758 | IL |
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 - Obstetrics/Gynecology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 32 |
|---|---|
| Services billed | 75 across 13 procedure codes |
| Paid by Medicare | $4,355 |
Part D prescriptions in 2024
| Prescriptions (claims) | 57 · 108 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $1,078 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Hospital affiliations
- Alexian Brothers Medical Center 1Elk Grove Village, IL
- Northwest Community Hospital 1Arlington Heights, IL
Industry payments (Open Payments)
- 2025$286.77 · 14 payments from 8 companies
- 2024$135.30 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $81.23 | 5 |
| Exeltis, USA Inc. | $54.43 | 3 |
| Pacira Pharmaceuticals Incorporated | $39.73 | 1 |
| Daiichi Sankyo Inc. | $28.48 | 1 |
| Astellas Pharma US Inc | $26.38 | 1 |
What the 2025 payments were for
- Food and Beverage$286.77 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 OB-GYNs in Elk Grove Village · All OB-GYNs in Illinois