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NPISignal

Individual Healthcare Provider

Joshua L Hermsen, M.D.

NPI Record: ActiveThoracic Surgery (Cardiothoracic Vascular Surgery)
NPI1063460566
Madison, Wisconsin

Provider's NPPES record last updated: January 5, 2022

Overview

Entity Type
Individual Healthcare Provider
NPI
1063460566
Primary Specialty
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Practice Location
Madison, Wisconsin
Sole Proprietor
No

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 19, 2026, 1:30 AM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Thoracic Surgery (Cardiothoracic Vascular Surgery)

    Allopathic & Osteopathic Physicians

    Primary

    A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

    Taxonomy code 208G00000X
  • Internal Medicine

    Adult Congenital Heart Disease

    Allopathic & Osteopathic Physicians

    A physician who specializes in the care and treatment of adults with congenital heart disease. Adult congenital heart disease (ACHD) physicians are trained to understand the complexities of congenital heart disease, anatomy, physiology, surgical repairs, and long-term complications and use that to manage ACHD with acquired heart disease, including heart failure, arrhythmias, and pulmonary hypertension.

    Taxonomy code 207RA0002X
  • Surgery

    Pediatric Surgery

    Allopathic & Osteopathic Physicians

    A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.

    Taxonomy code 2086S0120X

Provider-Reported License Information

Thoracic Surgery (Cardiothoracic Vascular Surgery) (Wisconsin)
50530-20
Internal Medicine (Wisconsin)
50530
Surgery (Wisconsin)
50530-20
Thoracic Surgery (Cardiothoracic Vascular Surgery) (Illinois)
036157200
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

600 Highland Ave

Madison, Wisconsin 53792-4405

Phone: (608) 263-6420

Additional Practice Location

825 Eastlake Ave E

Seattle, Washington 98109-4405

Phone: (608) 334-1525

Record Information

Enumeration Date
May 5, 2006
Provider's NPPES Record Last Updated
January 5, 2022
Certification Date
January 5, 2022
NPISignal NPPES Dataset
August 2026

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