Karl A. Nibbelink, MD
NPI 1093994121ActiveIndividual· Emergency Medicine· Janesville, WI
Emergency Medicine (MD) in Janesville, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2000). In 2024 Medicare paid $53,723 for 524 patients, and Part D covered 256 of their prescriptions, 89% of them generic. Abbvie Inc. reported $121.13 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1093994121 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 25, 2007 |
| Last updated in NPPES | Aug 14, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 54377-020 | 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 - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 524 |
|---|---|
| Services billed | 725 across 23 procedure codes |
| Paid by Medicare | $53,723 |
Part D prescriptions in 2024
| Prescriptions (claims) | 256 · 257 30-day fills |
|---|---|
| Patients | 173 |
| Total drug cost | $5,147 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Emergency Medicine |
Medical group
- Emergency Medicine Associates of Madison, SCMadison, WI · 17 clinicians
Hospital affiliation
- Unitypoint Health - MeriterMadison, WI
Industry payments (Open Payments)
- 2025$121.13 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $121.13 | 1 |
What the 2025 payments were for
- Food and Beverage$121.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 40 emergency medicine physicians in Janesville · All emergency medicine physicians in Wisconsin