Ahsanul Haque, M.D.
NPI 1558364372ActiveIndividual· Internal Medicine, Hematology & Oncology· Elkhart, IN
Internal Medicine, Hematology & Oncology (M.D.) with American Oncology Partners PA, practicing in Elkhart, Indiana. In 2024 Medicare paid $4,360,100 for 630 patients, and Part D covered 1,508 of their prescriptions, 77% of them generic. Eisai Inc. was the largest of 46 companies reporting payments in 2025, $6,913 in all, mostly food and beverage. Lists Elkhart General Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1558364372 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 24, 2005 |
| Last updated in NPPES | Jan 15, 2026 |
| Certified by provider | Jan 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 01049498A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 630 |
|---|---|
| Services billed | 285,800 across 184 procedure codes |
| Paid by Medicare | $4,360,100 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,508 · 2,524 30-day fills |
|---|---|
| Patients | 335 |
| Total drug cost | $1,334,084 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- American Oncology Partners PAFort Wayne, IN · 391 clinicians
Hospital affiliations
- Elkhart General HospitalElkhart, IN
- Goshen HospitalGoshen, IN
Other facilities
- Dunes Hospice LLCHospice · Valparaiso, IN
Industry payments (Open Payments)
- 2025$6,913 · 217 payments from 46 companies
- 2024$4,775 · 244 payments from 39 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $1,772 | 14 |
| E.R. Squibb & Sons, L.L.C. | $555.99 | 29 |
| Cardinal Health 110 LLC | $550.00 | 2 |
| Janssen Biotech, Inc. | $384.80 | 13 |
| Astrazeneca Pharmaceuticals LP | $367.32 | 20 |
What the 2025 payments were for
- Food and Beverage$4,157 · 207 payments
- Consulting Fee$2,238 · 4 payments
- Education$518.84 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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