Chaudry Ahmad Waheed Cheema, M.D.
NPI 1659375343ActiveIndividual· Internal Medicine, Gastroenterology· Rock Island, IL
Internal Medicine, Gastroenterology (M.D.) with Digestive Disease Specialists PC, practicing in Rock Island, Illinois. 330 Medicare patients in 2024, $100,148 paid; nearly all of their 653 Part D prescriptions were generic (94%). Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $1,302 in all, mostly food and beverage. Lists Genesis Hlth System DBA Genesis Mdl Ctr-Illini and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1659375343 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2005 |
| Last updated in NPPES | Sep 29, 2026 |
| Reactivated | Mar 28, 2006 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036102620 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | 35024 | IA |
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 - Gastroenterology (IA); Practitioner - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 330 |
|---|---|
| Services billed | 952 across 47 procedure codes |
| Paid by Medicare | $100,148 |
Part D prescriptions in 2024
| Prescriptions (claims) | 653 · 1,152 30-day fills |
|---|---|
| Patients | 210 |
| Total drug cost | $145,617 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Digestive Disease Specialists PCDavenport, IA · 8 clinicians
Hospital affiliations
- Genesis Hlth System DBA Genesis Mdl Ctr-IlliniSilvis, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Trinity - BettendorfBettendorf, IA
- Trinity MuscatineMuscatine, IA
- Trinity Rock IslandRock Island, IL
Industry payments (Open Payments)
- 2025$1,302 · 57 payments from 13 companies
- 2024$1,850 · 61 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $560.86 | 26 |
| Gilead Sciences, Inc. | $136.65 | 5 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $135.64 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $84.65 | 5 |
| Aimmune Therapeutics, Inc. | $71.61 | 4 |
What the 2025 payments were for
- Food and Beverage$1,251 · 56 payments
- Education$50.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records