NPPES file of Aug 9, 2026

Occupational Medicine Physician in Wisconsin

71 NPPES records list occupational medicine physician with a practice address in Wisconsin, 1.2 per 100,000 residents, the 9th highest rate of 50. Eau Claire and Madison have the most; each record links to the provider's NPI and the Wisconsin license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2083X0100X · method

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

Eau Claire has the most, 7

  1. Eau Claire7
  2. Madison7
  3. Milwaukee7
  4. Brookfield6
  5. Green Bay6

Occupational Medicine Physician records in Wisconsin

  1. Mark Ringwelski, DOGreen Bay, WI 543111962487165
  2. Mark Roberts, MD, PHDEdgerton, WI 535341730677881
  3. Karen Ronquillo, M.S., M.D.Waukesha, WI 531861467757948
  4. Peter Schnapp, MDMilwaukee, WI 532241396925616
  5. Dennis Schultz, M.D.West Allis, WI 532141821065582
  6. William Scorby, MDLa Crosse, WI 546011972507804
  7. Suzanne Sherman, MDEau Claire, WI 547011417103359
  8. Pierce Sherrill, DOGreen Bay, WI 543111851408058
  9. Charles Simpson, D.O, MSMarinette, WI 541431770603557
  10. David Smith, MD, MPHPlymouth, WI 530731902913114
  11. Jane Stark, MDSheboygan, WI 530811780785253
  12. Magdalen Stepek, DONew Berlin, WI 531511689853681
  13. Quinn Strenn, MDAppleton, WI 549131538789813
  14. Irene Valerio, M.D., RCEPKenosha, WI 531421992982573
  15. Timothy Vanliere, M.D.Milwaukee, WI 532071639299266
  16. David Wehby, M.D.Milwaukee, WI 532151689817959
  17. Robert White, M.D.Appleton, WI 549131336308907
  18. Alison Wilmeth, MDMadison, WI 537151326095183
  19. Richard Yoon, M.D.Eau Claire, WI 547011649590787
  20. Ryan Zantow, MDOshkosh, WI 549041821044892
  21. Terry Zehr, MDKenosha, WI 531421184601924

Source: CMS NPPES, primary taxonomy 2083X0100X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 9 of 50 per resident

  1. Hawaii1.3
  2. Utah1.2
  3. Minnesota1.2
  4. Wisconsin1.2
  5. Iowa1.2
  6. Maryland1.1
  7. 50 states and D.C.0.8

Source: CMS NPPES, primary taxonomy 2083X0100X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

31.0% of these records appear in a Medicare file, against 26.1% 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. Wisconsin31.0%
  2. United States26.1%

Occupational Medicine Physician records in Wisconsin, measured

  • In a Medicare file22 of 71 · 31.0% here, 26.1% nationally
  • In the CMS Doctors and Clinicians file13 · 18.3% here, 10.7% nationally
  • Not updated in five years or more42 · 59.2% here, 70.9% nationally
  • Median graduation year2000 · the 13 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2083X0100X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

71 NPPES records list occupational medicine physician (2083X0100X) as their primary taxonomy with a practice address in Wisconsin: 1.2 per 100,000 residents against 0.8 nationally (50 states and D.C.). Eau Claire has 7 of them (10%).

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. Maryland69
  2. Minnesota69
  3. New York78
  4. Illinois80

States with a similar rate per 100,000

  1. Iowa1.2
  2. Utah1.2
  3. Hawaii1.3
  4. Connecticut1.1

The largest states

  1. California415
  2. Texas168
  3. Ohio109
  4. Pennsylvania103
  5. Washington102

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.