Shahid M. Ahsan, M.D.
NPI 1740208180ActiveIndividual· Internal Medicine, Pulmonary Disease· Naperville, IL
Internal Medicine, Pulmonary Disease (M.D.) with Endeavor Health Medical Group, practicing in Naperville, Illinois. In 2024 Medicare paid $130,083 for 486 patients, and Part D covered 595 of their prescriptions, 56% of them generic. Avadel Cns Pharmaceuticals, LLC was the largest of 3 companies reporting payments in 2025, $304.36 in all, mostly food and beverage. Lists Edward Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1740208180 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Sep 29, 2026 |
| Certified by provider | Sep 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 036089112 | IL |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 01050729 | IN |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 036089112 | IL |
| Internal Medicine, Sleep Medicine | 207RS0012X | 036089112 | IL |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 01050729 | IN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 486 |
|---|---|
| Services billed | 1,430 across 30 procedure codes |
| Paid by Medicare | $130,083 |
Part D prescriptions in 2024
| Prescriptions (claims) | 595 · 854 30-day fills |
|---|---|
| Patients | 210 |
| Total drug cost | $135,575 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Elmhurst Memorial HospitalElmhurst, IL
Industry payments (Open Payments)
- 2025$304.36 · 5 payments from 3 companies
- 2024$289.14 · 6 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Avadel Cns Pharmaceuticals, LLC | $143.59 | 2 |
| Verona Pharma, Inc. | $134.52 | 2 |
| Astrazeneca Pharmaceuticals LP | $26.25 | 1 |
What the 2025 payments were for
- Food and Beverage$304.36 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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