Ajaz M. Khan, M.D.
NPI 1043484736ActiveIndividual· Internal Medicine, Hematology & Oncology· Zion, IL
Internal Medicine, Hematology & Oncology (M.D.) with City of Hope Medical Group of Illinois PLLC and 1 other group, practicing in Zion, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,327,968 for 539 claims, against $34,728 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $4,382 in all, mostly consulting fees. Lists Humboldt Park Health and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1043484736 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2008 |
| Last updated in NPPES | Mar 26, 2022 |
| Certified by provider | Mar 26, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 036-122000 | IL |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 238121 | NY |
| Internal Medicine, Hematology & Oncology | 207RH0003X | MA082147 | NJ |
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 - Internal Medicine (IL); Practitioner - Hematology/Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 153 |
|---|---|
| Services billed | 2,331 across 14 procedure codes |
| Paid by Medicare | $34,728 |
Part D prescriptions in 2024
| Prescriptions (claims) | 539 · 682 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $1,327,968 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Medical Oncology |
| Telehealth | Offers telehealth |
Medical groups
- City of Hope Medical Group of Illinois PLLCZion, IL · 129 clinicians
- Humboldt Park HealthCorona Del Mar, CA · 110 clinicians
Hospital affiliations
- Humboldt Park HealthChicago, IL
- Midwestern Region Med Center, IncZion, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Industry payments (Open Payments)
- 2025$4,382 · 6 payments from 6 companies
- 2024$1,892 · 13 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $2,345 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $1,785 | 1 |
| Janssen Research & Development, LLC | $150.00 | 1 |
| Fennec Pharmaceuticals, Inc. | $40.80 | 1 |
| Gilead Sciences, Inc. | $33.59 | 1 |
What the 2025 payments were for
- Consulting Fee$4,130 · 2 payments
- Food and Beverage$251.56 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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