NPPES file of Aug 9, 2026

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Wisconsin

115 NPPES records list thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Wisconsin, 1.9 per 100,000 residents, the 19th highest rate of 51. Milwaukee and Madison have the most; each record links to the provider's NPI and the Wisconsin license search. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208G00000X · method

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

Milwaukee has the most, 42

  1. Milwaukee42
  2. Madison26
  3. Green Bay9
  4. Appleton5
  5. Eau Claire5

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician records in Wisconsin

  1. John Stulak, M.D.Madison, WI 537921154392587
  2. Michael Swank, MDMilwaukee, WI 532111912972878
  3. Paul Tessmann, M.D.Verona, WI 535931861601833
  4. Stephen Thorp, M.D.Wausau, WI 544011790136158
  5. William Tisol, MDMilwaukee, WI 532151932150695
  6. H Ubert, M.D.Milwaukee, WI 532261053545806
  7. Patrick Vining, MDMadison, WI 537151063900249
  8. John Waciuma, M.D.Eau Claire, WI 547011194797407
  9. Justin Watson, M.D.Madison, WI 537261760748008
  10. Paul Werner, M.D.Milwaukee, WI 532151932188943
  11. Robert Wiechmann, MDEau Claire, WI 547031659333953
  12. Kenneth Wolnak, DOJanesville, WI 535481982744678
  13. Ronald Woods, MDMilwaukee, WI 532261669497624
  14. Yu Xia, MDMadison, WI 537921477829166
  15. Fuad Zankoul, MDGreen Bay, WI 543011770100489

Source: CMS NPPES, primary taxonomy 208G00000X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 19 of 51 per resident

  1. West Virginia2.0
  2. Montana2.0
  3. Indiana2.0
  4. Wisconsin1.9
  5. Louisiana1.9
  6. Tennessee1.8
  7. 50 states and D.C.1.9

Source: CMS NPPES, primary taxonomy 208G00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

78.3% of these records appear in a Medicare file, against 76.2% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Wisconsin78.3%
  2. United States76.2%

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician records in Wisconsin, measured

  • In a Medicare file90 of 115 · 78.3% here, 76.2% nationally
  • In the CMS Doctors and Clinicians file74 · 64.3% here, 63.5% nationally
  • Not updated in five years or more64 · 55.7% here, 54.0% nationally
  • Median graduation year1993 · the 74 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208G00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

115 NPPES records list thoracic surgery (cardiothoracic vascular surgery) physician (208G00000X) as their primary taxonomy with a practice address in Wisconsin: 1.9 per 100,000 residents against 1.9 nationally (50 states and D.C.). Milwaukee has 42 of them (37%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Washington120
  2. Kentucky109
  3. Arizona123
  4. Tennessee131

States with a similar rate per 100,000

  1. Indiana2.0
  2. Louisiana1.9
  3. Montana2.0
  4. West Virginia2.0

The largest states

  1. California634
  2. Texas484
  3. Florida468
  4. New York446
  5. Pennsylvania377

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

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.