Hassan Imtiaz Ahmad, MD
NPI 1235471541ActiveIndividual· Internal Medicine, Rheumatology· Lafayette, IN
Internal Medicine, Rheumatology (MD) with Hendricks County Hospital, practicing in Lafayette, Indiana. Their prescriptions cost Medicare Part D more than their services did: $1,280,585 for 1,901 claims, against $62,020 paid for services in 2024. Amgen Inc. was the largest of 10 companies reporting payments in 2025, $1,018 in all, mostly food and beverage. Lists Hendricks Regional Health as a hospital affiliation.
Overview
| NPI | 1235471541 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 25, 2013 |
| Last updated in NPPES | Sep 10, 2025 |
| Certified by provider | Sep 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 01079818A | IN |
| Internal Medicine, Rheumatology | 207RR0500X | 128401 | OH |
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 - Rheumatology (IN); Practitioner - Rheumatology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 303 |
|---|---|
| Services billed | 1,615 across 16 procedure codes |
| Paid by Medicare | $62,020 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,901 · 3,438 30-day fills |
|---|---|
| Patients | 304 |
| Total drug cost | $1,280,585 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
Medical group
- Hendricks County HospitalAvon, IN · 340 clinicians
Hospital affiliation
- Hendricks Regional HealthDanville, IN
Industry payments (Open Payments)
- 2025$1,018 · 45 payments from 10 companies
- 2024$148.69 · 20 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $318.34 | 15 |
| Janssen Biotech, Inc. | $228.28 | 3 |
| Abbvie Inc. | $202.84 | 14 |
| Ucb, Inc. | $88.02 | 4 |
| Novartis Pharmaceuticals Corporation | $60.03 | 3 |
What the 2025 payments were for
- Food and Beverage$819.46 · 43 payments
- Education$198.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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