Diana Margaret Osmanovic, DO
NPI 1386919728ActiveIndividual· Internal Medicine· Addison, IL
Internal Medicine (DO) with Dupage Medical Group Ltd, practicing in Addison, Illinois. 358 Medicare patients in 2024, $110,186 paid; nearly all of their 242 Part D prescriptions were generic (91%). Exact Sciences Corporation was the largest of 3 companies reporting payments in 2025, $53.60 in all, mostly food and beverage.
Overview
| NPI | 1386919728 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 19, 2012 |
| Last updated in NPPES | May 16, 2025 |
| Certified by provider | May 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036136511 | IL |
| Hospitalist | 208M00000X | 036136511 | 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 | 358 |
|---|---|
| Services billed | 1,117 across 7 procedure codes |
| Paid by Medicare | $110,186 |
Part D prescriptions in 2024
| Prescriptions (claims) | 242 · 266 30-day fills |
|---|---|
| Patients | 144 |
| Total drug cost | $9,994 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Industry payments (Open Payments)
- 2025$53.60 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $20.65 | 1 |
| Pfizer Inc. | $17.95 | 1 |
| Amgen Inc. | $15.00 | 1 |
What the 2025 payments were for
- Food and Beverage$53.60 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 internal medicine physicians in Addison · All internal medicine physicians in Illinois