Ahsan Usman, MD
NPI 1215016571ActiveIndividual· Hospitalist· Belleville, IL
Hospitalist (MD) with Ssm Health Care Group and 2 other groups, practicing in Belleville, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,780,803 for 26,778 claims, against $335,891 paid for services in 2024. Novo Nordisk Inc was the largest of 12 companies reporting payments in 2025, $749.75 in all, mostly food and beverage. Lists Gateway Regional Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1215016571 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 6, 2006 |
| Last updated in NPPES | Mar 29, 2021 |
| Certified by provider | Mar 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036-121212 | IL |
| Internal Medicine, Nephrology | 207RN0300X | 036-121212 | IL |
| Internal Medicine | 207R00000X | 35088242 | OH |
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); Practitioner - Hospitalist (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 902 |
|---|---|
| Services billed | 3,080 across 23 procedure codes |
| Paid by Medicare | $335,891 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26,778 · 27,565 30-day fills |
|---|---|
| Patients | 821 |
| Total drug cost | $1,780,803 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical groups
- Ssm Health Care GroupSaint Louis, MO · 940 clinicians
- Cep America-Illinois Hospitalists, LLPAlton, IL · 196 clinicians
- Rashid A Dalal MD PCE Saint Louis, IL · 4 clinicians
Hospital affiliations
- Gateway Regional Medical CenterGranite City, IL
- Hshs St Elizabeth's HospitalO Fallon, IL
- Memorial HospitalBelleville, IL
- Ssm Health St Mary's Hospital - St LouisSaint Louis, MO
- Ssm Health St Mary's Hospital -CentraliaCentralia, IL
Other facilities
- Davita Granite City Dialysis CenterDialysis facility · Granite City, IL
- Bjc HospiceHospice · Glen Carbon, IL
- Breeze HospiceHospice · Shiloh, IL
- Mercy Rehabilitation Hospital SpringfieldInpatient rehabilitation facility · Springfield, MO
- Centralia ManorNursing home · Centralia, IL
- Helia Southbelt HealthcareNursing home · Belleville, IL
Industry payments (Open Payments)
- 2025$749.75 · 32 payments from 12 companies
- 2024$649.08 · 24 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $143.55 | 11 |
| Vantive US Healthcare LLC | $117.17 | 1 |
| Otsuka America Pharmaceutical, Inc. | $90.28 | 4 |
| Lundbeck LLC | $89.75 | 4 |
| Alpha Cognition USA, Inc. | $59.82 | 1 |
What the 2025 payments were for
- Food and Beverage$749.75 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 hospitalists in Belleville · All hospitalists in Illinois