Ahsan Wahab, MD
NPI 1548644180ActiveIndividual· Hospitalist· Chicago, IL
Hospitalist (MD) with Endeavor Health Medical Group and 2 other groups, practicing in Chicago, Illinois. Part D covered 98 prescriptions written in 2024, 95% of them generic. Janssen Scientific Affairs, LLC was the largest of 5 companies reporting payments in 2025, $330.73 in all, mostly food and beverage. Lists Northshore University Healthsystem - Evanston Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1548644180 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 14, 2015 |
| Last updated in NPPES | Jul 30, 2025 |
| Certified by provider | Jul 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036164046 | IL |
| Internal Medicine | 207R00000X | 036164046 | 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 - Hematology/Oncology (IL); Practitioner - Hospitalist (IL); Practitioner - Internal Medicine (IL); Practitioner - Hospitalist (IN); Practitioner - Hematology (NC) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 98 · 146 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $18,801 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical groups
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
- Sound Physicians of Illinois LLCLake Saint Louis, MO · 193 clinicians
- Foundation for Outreach ServicesChicago, IL · 37 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Osf Sacred Heart Medical CenterDanville, IL
- St Bernard HospitalChicago, IL
Industry payments (Open Payments)
- 2025$330.73 · 5 payments from 5 companies
- 2024$282.44 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Scientific Affairs, LLC | $141.21 | 1 |
| Tempus Ai, Inc | $89.21 | 1 |
| Syndax Pharmaceuticals, Inc. | $52.42 | 1 |
| Merck Sharp & Dohme LLC | $26.47 | 1 |
| Astrazeneca Pharmaceuticals LP | $21.42 | 1 |
What the 2025 payments were for
- Food and Beverage$330.73 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 454 hospitalists in Chicago · All hospitalists in Illinois