Ayesha Khan, MD
NPI 1184253544ActiveIndividual· Internal Medicine· Naperville, IL
Internal Medicine (MD) with Endeavor Health Medical Group and 1 other group, practicing in Naperville, Illinois. Their prescriptions cost Medicare Part D more than their services did: $100,153 for 1,368 claims, against $36,181 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $137.28 in all, mostly food and beverage. Lists Advocate Good Samaritan Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1184253544 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 6, 2020 |
| Last updated in NPPES | Jan 19, 2026 |
| Certified by provider | Jan 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036166190 | IL |
| Hospitalist | 208M00000X | 036-166190 | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 193 |
|---|---|
| Services billed | 590 across 39 procedure codes |
| Paid by Medicare | $36,181 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,368 · 2,779 30-day fills |
|---|---|
| Patients | 247 |
| Total drug cost | $100,153 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Edward HospitalNaperville, IL
Industry payments (Open Payments)
- 2025$137.28 · 2 payments from 2 companies
- 2024$88.81 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $70.61 | 1 |
| Medtronic, Inc. | $66.67 | 1 |
What the 2025 payments were for
- Food and Beverage$137.28 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 114 internal medicine physicians in Naperville · All internal medicine physicians in Illinois