NPPES file of Aug 9, 2026

Nicholas H. Vonbergen, M.D.

Clinical Cardiac Electrophysiology Physician · Madison, WI

Nicholas H. Vonbergen, M.D. is a clinical cardiac electrophysiology physician with a practice address in Madison, Wisconsin, and NPI 1124229406, issued on May 31, 2007. Check the license (Wisconsin 54041-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124229406
Name
Nicholas H. Vonbergen
Credential
M.D.
Primary taxonomy
Clinical Cardiac Electrophysiology Physician 207RC0001X
License numbers
54041-20 WI
54041 WI
Self-reported in NPPES; status is on the state search
Practice location
600 Highland Ave, Madison, WI 53792
Phone
(608) 263-6420
Enumerated
May 31, 2007
Record last updated
Jun 20, 2025
Fax
(608) 265-8065
Medicaid ID
100009294 WI
Medicare enrollment
Enrolled (PECOS I20100603000634); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 600 Highland Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael AabergSurgery Physician1346991064
  2. Carrah Aadrik, CRNACertified Registered Nurse Anesthetist1326423286
  3. Daniel Abbott, MDSurgical Oncology Physician1750412615
  4. Alaa Abd-ElsayedPain Medicine Physician1194967703
  5. Safiyya Abdulkadir, MDRheumatology Physician1093455826
  6. Edwin Abel, M.D.Urology Physician1083800510

Verify Nicholas H. Vonbergen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 54041-20    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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Industry payments in 2024: $3,666.98

2 payments; by number, the most common kind was food and beverage; the largest payer was AltaThera Pharmaceuticals LLC. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nicholas Vonbergen$3,667
  2. Specialty average$10,651

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Aurora Medical Group, Inc.Grafton, WI
  2. University OF Wisconsin Medical Foundation IncMadison, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Clinical Cardiac Electrophysiology Physician providers in Wisconsin

There are 83 clinical cardiac electrophysiology physician records in Wisconsin.

All 83 in Wisconsin → Every provider in Madison →

Other clinical cardiac electrophysiology physician records in Wisconsin

  1. Graham Adsit, M.D.Milwaukee, WI1033343892
  2. Shariff Attaya, MDMount Pleasant, WI1770643363
  3. Jagroop Basraon, D.OMadison, WI1154492569
  4. Marcie Berger, M.D.Milwaukee, WI1952403818
  5. Atul Bhatia, MDMilwaukee, WI1962479527
  6. John Birchak, M.D.Milwaukee, WI1942610233
  7. Amir Chaudhari, DOWaukesha, WI1679858567
  8. Luke Chong, MDGreen Bay, WI1467847731
  9. Indrajit Choudhuri, M.D.Beloit, WI1467621110
  10. Tahmeed Contractor, M.D.Madison, WI1073778726

Common questions

What is Nicholas H. Vonbergen, M.D.'s NPI number?

Nicholas H. Vonbergen, M.D.'s National Provider Identifier (NPI) is 1124229406, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas H. Vonbergen, M.D. located?

The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-6420. Providers update this record themselves, so call before visiting.

How can I verify Nicholas H. Vonbergen, M.D.'s license?

NPPES lists Wisconsin license number 54041-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.