Donald B. Wender, M.D.
NPI 1861463275ActiveIndividual· Internal Medicine, Hematology & Oncology· Sioux City, IA
Internal Medicine, Hematology & Oncology (M.D.) in Sioux City, Iowa, trained at Ohio State University College of Medicine (class of 1981). In 2024 Medicare paid $6,575,474 for 1,459 patients, and Part D covered 2,187 of their prescriptions, 78% of them generic. Ipsen Biopharmaceuticals, Inc was the largest of 42 companies reporting payments in 2025, $2,300 in all, mostly food and beverage.
Overview
| NPI | 1861463275 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 1, 2006 |
| Last updated in NPPES | Oct 26, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 26404 | 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 - Hematology/Oncology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,459 |
|---|---|
| Services billed | 264,002 across 212 procedure codes |
| Paid by Medicare | $6,575,474 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,187 · 2,791 30-day fills |
|---|---|
| Patients | 411 |
| Total drug cost | $6,439,369 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Northwest Iowa Hospital CorporationBellevue, NE · 160 clinicians
Hospital affiliations
- Buena Vista Regional Medical CenterStorm Lake, IA
- Burgess Health CenterOnawa, IA
- Cherokee Regional Medical CenterCherokee, IA
- Floyd Valley HealthcareLe Mars, IA
- St Lukes Regional Medical CenterSioux City, IA
Industry payments (Open Payments)
- 2025$2,300 · 116 payments from 42 companies
- 2024$2,979 · 161 payments from 46 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ipsen Biopharmaceuticals, Inc | $233.72 | 4 |
| Astrazeneca Pharmaceuticals LP | $210.23 | 10 |
| Janssen Biotech, Inc. | $172.74 | 11 |
| Novartis Pharmaceuticals Corporation | $138.66 | 7 |
| Merck Sharp & Dohme LLC | $137.60 | 9 |
What the 2025 payments were for
- Food and Beverage$1,944 · 109 payments
- Education$355.51 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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