Mohammed Irshad, M.D.
NPI 1508854589ActiveIndividual· Internal Medicine, Gastroenterology· Clinton, IA
Internal Medicine, Gastroenterology (M.D.) with Swedishamerican Hospital and 1 other group, practicing in Clinton, Iowa. Their prescriptions cost Medicare Part D more than their services did: $1,099,472 for 340 claims, against $73,401 paid for services in 2024. Celltrion USA Inc. was the largest of 6 companies reporting payments in 2025, $13,545 in all, mostly honoraria. Lists Genesis Hlth System DBA Genesis Mdl Ctr-Illini and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1508854589 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 12, 2005 |
| Last updated in NPPES | Oct 2, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 34541 | 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 | 341 |
|---|---|
| Services billed | 603 across 54 procedure codes |
| Paid by Medicare | $73,401 |
Part D prescriptions in 2024
| Prescriptions (claims) | 340 · 546 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $1,099,472 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Swedishamerican HospitalBelvidere, IL · 389 clinicians
- Genesis Health SystemDavenport, IA · 261 clinicians
Hospital affiliations
- Genesis Hlth System DBA Genesis Mdl Ctr-IlliniSilvis, IL
- Genesis Medical Center-DavenportDavenport, IA
- Mercyone Clinton Medical CenterClinton, IA
- Mercyone Genesis Dewitt Medical CenterDewitt, IA
- Uw HealthRockford, IL
Industry payments (Open Payments)
- 2025$13,545 · 31 payments from 6 companies
- 2024$930.50 · 22 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Celltrion USA Inc. | $12,944 | 15 |
| Abbvie Inc. | $491.06 | 11 |
| Gilead Sciences, Inc. | $51.09 | 2 |
| Aimmune Therapeutics, Inc. | $22.47 | 1 |
| Ardelyx, Inc. | $20.16 | 1 |
What the 2025 payments were for
- Honoraria$12,439 · 3 payments
- Food and Beverage$788.88 · 27 payments
- Travel and Lodging$317.73 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Clinton
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