Vasia A. Ahmed, M.D.
NPI 1992797047ActiveIndividual· Internal Medicine, Hematology & Oncology· Tinley Park, IL
Internal Medicine, Hematology & Oncology (M.D.) with Prime Healthcare Illinois Medical Group LLC and 2 other groups, practicing in Tinley Park, Illinois. In 2024 Medicare paid $2,061,141 for 638 patients, and Part D covered 925 of their prescriptions, 71% of them generic. Novartis Pharmaceuticals Corporation was the largest of 35 companies reporting payments in 2025, $2,468 in all, mostly food and beverage. Lists Advocate Christ Hospital & Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1992797047 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 16, 2005 |
| Last updated in NPPES | Jun 16, 2025 |
| Certified by provider | Jun 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 036069477 | IL |
| Internal Medicine, Medical Oncology | 207RX0202X | 036069477 | IL |
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 - Hematology/Oncology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 638 |
|---|---|
| Services billed | 98,631 across 122 procedure codes |
| Paid by Medicare | $2,061,141 |
Part D prescriptions in 2024
| Prescriptions (claims) | 925 · 1,524 30-day fills |
|---|---|
| Patients | 202 |
| Total drug cost | $2,331,274 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 1978 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical groups
- Prime Healthcare Illinois Medical Group LLCChicago, IL · 322 clinicians
- Specialty Physicians of Illinois LLCOlympia Fields, IL · 102 clinicians
- Affiliated Oncologists LLCMokena, IL · 44 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Advocate Trinity HospitalChicago, IL
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL
- Palos Community HospitalPalos Heights, IL
- Saint Joseph Medical CenterJoliet, IL
Industry payments (Open Payments)
- 2025$2,468 · 106 payments from 35 companies
- 2024$2,217 · 90 payments from 29 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $308.88 | 21 |
| Astrazeneca Pharmaceuticals LP | $238.97 | 9 |
| Gilead Sciences, Inc. | $200.48 | 10 |
| Glaxosmithkline, LLC. | $180.54 | 7 |
| Pfizer Inc. | $178.15 | 9 |
What the 2025 payments were for
- Food and Beverage$2,400 · 105 payments
- Education$68.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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