Benjamin M. Parsons, D.O.
NPI 1164688834ActiveIndividual· Internal Medicine, Hematology & Oncology· La Crosse, WI
Internal Medicine, Hematology & Oncology (D.O.) in La Crosse, Wisconsin, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $4,630,531 for 1,342 claims, against $52,236 paid for services in 2024. Genmab U.S., Inc. was the largest of 2 companies reporting payments in 2025, $173.99 in all, mostly food and beverage.
Overview
| NPI | 1164688834 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 1, 2008 |
| Last updated in NPPES | Aug 27, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 36124255 | IL |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 62725 | WI |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 02004225A | 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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 271 |
|---|---|
| Services billed | 948 across 34 procedure codes |
| Paid by Medicare | $52,236 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,342 · 1,947 30-day fills |
|---|---|
| Patients | 181 |
| Total drug cost | $4,630,531 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
- Gundersen Clinic LtdOnalaska, WI · 418 clinicians
Hospital affiliations
- Gundersen Boscobel Area Hospital and ClinicsBoscobel, WI
- Gundersen Lutheran Medical CenterLa Crosse, WI
- Gundersen St Josephs Hospital and ClinicsHillsboro, WI
- Gundersen Tri-County Hospital & ClinicsWhitehall, WI
- Tomah Memorial HospitalTomah, WI
Industry payments (Open Payments)
- 2025$173.99 · 2 payments from 2 companies
- 2024$524.95 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genmab U.S., Inc. | $101.95 | 1 |
| Tempus Ai, Inc | $72.04 | 1 |
What the 2025 payments were for
- Food and Beverage$173.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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