Ahmad Osama Rez, M.D
NPI 1356537179ActiveIndividual· Hospitalist· Alton, IL
Hospitalist (M.D) with Galen Inpatient Physicians PC and 1 other group, practicing in Alton, Illinois. In 2024 Medicare paid $101,074 for 328 patients, and Part D covered 709 of their prescriptions, 86% of them generic. Lists Missouri Baptist Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1356537179 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Sep 16, 2007 |
| Last updated in NPPES | Sep 19, 2025 |
| Certified by provider | Sep 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036.131216 | IL |
| Hospitalist | 208M00000X | 2010014085 | MO |
| Hospitalist | 208M00000X | 036131216 | IL |
| Internal Medicine | 207R00000X | 036.131216 | IL |
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 - Hospitalist (CA); Practitioner - Hospitalist (IL); Practitioner - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 328 |
|---|---|
| Services billed | 1,172 across 9 procedure codes |
| Paid by Medicare | $101,074 |
Part D prescriptions in 2024
| Prescriptions (claims) | 709 · 944 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $55,781 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical groups
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
- Physician Groups LcFarmington, MO · 521 clinicians
Hospital affiliations
- Missouri Baptist Medical CenterSaint Louis, MO
- Ssm St Clare Health CenterFenton, MO
Other facilities
- Ssm Health at Home HospiceHospice · Wentzville, MO
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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