Ahsan M. Basha, MD
NPI 1043283849ActiveIndividual· Internal Medicine, Medical Oncology· Watseka, IL
Internal Medicine, Medical Oncology (MD) in Watseka, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $3,429,366 for 1,575 claims, against $87,014 paid for services in 2024. Abbvie Inc. was the largest of 27 companies reporting payments in 2025, $1,347 in all, mostly food and beverage.
Overview
| NPI | 1043283849 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 10, 2006 |
| Last updated in NPPES | Mar 22, 2021 |
| Certified by provider | Mar 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 036093863 | IL |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 30683 | AZ |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 426 |
|---|---|
| Services billed | 1,212 across 12 procedure codes |
| Paid by Medicare | $87,014 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,575 · 2,266 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $3,429,366 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Riverside Health SystemWillmington, IL · 199 clinicians
Hospital affiliations
- Iroquois Memorial HospitalWatseka, IL
- Riverside Medical CenterKankakee, IL
Other facilities
- Iroquois Memorial HospiceHospice · Watseka, IL
Industry payments (Open Payments)
- 2025$1,347 · 61 payments from 27 companies
- 2024$415.23 · 20 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $138.69 | 5 |
| Novartis Pharmaceuticals Corporation | $115.11 | 5 |
| Celgene Corporation | $113.66 | 4 |
| Janssen Biotech, Inc. | $96.59 | 5 |
| Merck Sharp & Dohme LLC | $79.31 | 4 |
What the 2025 payments were for
- Food and Beverage$1,314 · 60 payments
- Education$32.72 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records