Roman W. Mandzij, DO
NPI 1841239902ActiveIndividual· Internal Medicine· Winnetka, IL
Internal Medicine (DO) with Winnetka Avenue Physicians SC, practicing in Winnetka, Illinois. Their prescriptions cost Medicare Part D more than their services did: $323,660 for 2,617 claims, against $92,437 paid for services in 2024. Pfizer Inc. reported $31.85 in payments in 2024, mostly food and beverage. Lists Northshore University Healthsystem - Evanston Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1841239902 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jun 5, 2006 |
| Last updated in NPPES | Dec 12, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-096445 | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 212 |
|---|---|
| Services billed | 1,460 across 31 procedure codes |
| Paid by Medicare | $92,437 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,617 · 6,362 30-day fills |
|---|---|
| Patients | 261 |
| Total drug cost | $323,660 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Winnetka Avenue Physicians SCWinnetka, IL · 2 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Swedish HospitalChicago, IL
Other facilities
- Caress Home Health Care IncHome health agency · Skokie, IL
- Residential Home HealthHome health agency · Northbrook, IL
Industry payments (Open Payments)
- 2024$31.85 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $31.85 | 1 |
What the 2024 payments were for
- Food and Beverage$31.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 34 internal medicine physicians in Winnetka · All internal medicine physicians in Illinois