Hasan Bader, M.D.
NPI 1275989998ActiveIndividual· Internal Medicine, Gastroenterology· Rockford, IL
Internal Medicine, Gastroenterology (M.D.) with Osf Multi-Specialty Group and 1 other group, practicing in Rockford, Illinois. In 2024 Medicare paid $109,616 for 337 patients, and Part D covered 166 of their prescriptions, 82% of them generic. Madrigal Pharmaceuticals was the largest of 5 companies reporting payments in 2025, $261.48 in all, mostly food and beverage. Lists Osf Saint Elizabeth Mdl Ctr and 1 other hospital as hospital affiliations.
Overview
| NPI | 1275989998 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 12, 2016 |
| Last updated in NPPES | Sep 17, 2025 |
| Certified by provider | Sep 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 68729 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (IL); Practitioner - Gastroenterology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 337 |
|---|---|
| Services billed | 3,701 across 71 procedure codes |
| Paid by Medicare | $109,616 |
Part D prescriptions in 2024
| Prescriptions (claims) | 166 · 267 30-day fills |
|---|---|
| Patients | 123 |
| Total drug cost | $11,910 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Osf Multi-Specialty GroupMorton, IL · 2,114 clinicians
- Rockford Gastroenterology Associates LtdRockford, IL · 27 clinicians
Hospital affiliations
- Osf Saint Elizabeth Mdl CtrPeru, IL
- Saint Anthony Medical CenterRockford, IL
Industry payments (Open Payments)
- 2025$261.48 · 5 payments from 5 companies
- 2024$316.02 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $144.35 | 1 |
| Abbvie Inc. | $41.14 | 1 |
| Medtronic, Inc. | $35.07 | 1 |
| Genzyme Corporation | $23.74 | 1 |
| Olympus America Inc. | $17.18 | 1 |
What the 2025 payments were for
- Food and Beverage$261.48 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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