NICHOLAS H. VONBERGEN M.D.
NPI 1124229406
Internal Medicine - Clinical Cardiac Electrophysiology in Madison, WI

Active since May 31, 2007PECOS EnrolledAccepts Medicare Assignment
600 HIGHLAND AVE, MADISON, WI 53792(608) 263-6420(608) 265-8065 Get Directions Write a Review

NPPES record last updated: June 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 20, 2025, Dec 8, 2021, Dec 30, 2020 and 3 more (6 updates tracked since 2015).

About Nicholas H. Vonbergen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NICHOLAS H. VONBERGEN M.D. (NPI 1124229406) is an individual clinical cardiac electrophysiology provider in Madison, Wisconsin, licensed in Wisconsin (54041-20) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and maintains a secondary practice location in La Crosse.

NPPES Registry Identity

NPI1124229406
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameNICHOLAS H. VONBERGENCredential: M.D.
Location Address600 HIGHLAND AVEMadison, WI 53792-0001
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531 · (608) 829-5485 · Fax (608) 833-0999
Fax(608) 265-8065
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2008
Enumeration DateMay 31, 2007
Last NPPES UpdateJune 20, 20256 updates tracked since enumeration
NPPES CertifiedJune 20, 2025
NPI 1124229406 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
License Licensed in WI · 54041-20
Definition
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Also ListedInternal Medicine · Adult Congenital Heart DiseaseTaxonomy 207RA0002X · License 54041 (WI)
Also ListedPediatrics · Pediatric CardiologyTaxonomy 2080P0202X · License 54041-20 (WI)
600 HIGHLAND AVE, Madison, WI 53792

Secondary Practice Location 1

Location 11836 South AveLA Crosse, WI 54601-5429 · Phone (608) 782-7300

Other Identifiers 1

Medicaid100009294WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Nicholas H. Vonbergen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002986619
PECOS Enrollment IDI20100603000634
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53792 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nicholas Vonbergen's NPI number?

The NPI number for Nicholas Vonbergen is 1124229406. It was assigned to this individual provider in the NPPES registry on May 31, 2007.

Where is Nicholas Vonbergen located?

Nicholas Vonbergen practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6420.

What is Nicholas Vonbergen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Nicholas Vonbergen enrolled in Medicare?

Yes. Nicholas Vonbergen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Nicholas Vonbergen accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), Group Health Cooperative-SCW and HealthPartners and 5 other insurers list Nicholas Vonbergen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nicholas Vonbergen affiliated with any hospitals?

According to CMS data, Nicholas Vonbergen is affiliated with University Of Wi Hospitals & Clinics Authority.

When was this NPI record last updated?

The NPPES record for Nicholas Vonbergen was last updated on June 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.