Matthew Jansen, MD
NPI 1255441408ActiveIndividual· Internal Medicine· Marshfield, WI
Internal Medicine (MD) in Marshfield, Wisconsin, trained at University of Wisconsin School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $338,225 for 4,949 claims, against $13,236 paid for services in 2024.
Overview
| NPI | 1255441408 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 36959 | WI |
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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 113 |
|---|---|
| Services billed | 207 across 6 procedure codes |
| Paid by Medicare | $13,236 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,949 · 12,342 30-day fills |
|---|---|
| Patients | 444 |
| Total drug cost | $338,225 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
Medical group
- McHs Hospitals IncMarshfield, WI · 1,197 clinicians
Hospital affiliations
- Marshfield Medical CenterMarshfield, WI
- Marshfield Medical Center - NeillsvilleNeillsville, WI
- Marshfield Medical Center - WestonWeston, WI
Other facilities
- Compassus Home HealthHome health agency · Marshfield, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 internal medicine physicians in Marshfield · All internal medicine physicians in Wisconsin