Nicholas H. Vonbergen, M.D.
NPI 1124229406ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Madison, WI
Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) in Madison, Wisconsin, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2008). Enrolled in Medicare as practitioner - cardiovascular disease (cardiology). Altathera Pharmaceuticals LLC was the largest of 2 companies reporting payments in 2025, $1,276 in all, mostly consulting fees.
Overview
| NPI | 1124229406 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 31, 2007 |
| Last updated in NPPES | Jun 20, 2025 |
| Certified by provider | Jun 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 54041-20 | WI |
| Internal Medicine, Adult Congenital Heart Disease | 207RA0002X | 54041 | WI |
| Pediatrics, Pediatric Cardiology | 2080P0202X | 54041-20 | 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 - Cardiovascular Disease (Cardiology) (WI) |
|---|
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Adult Congenital Heart Disease (Achd) |
Medical groups
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
- Aspirus Wausau Hospital IncWausau, WI · 237 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$1,276 · 4 payments from 2 companies
- 2024$3,667 · 6 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Altathera Pharmaceuticals LLC | $1,084 | 2 |
| Abbott Laboratories | $192.10 | 2 |
What the 2025 payments were for
- Consulting Fee$1,050 · 1 payment
- Food and Beverage$226.12 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 Internal Medicine, Clinical Cardiac Electrophysiology providers in Madison · All Internal Medicine, Clinical Cardiac Electrophysiology providers in Wisconsin