NPPES file of Aug 9, 2026

Hearing Instrument Specialist in Wisconsin

329 NPPES records list hearing instrument specialist with a practice address in Wisconsin, 5.6 per 100,000 residents, the 2nd highest rate of 51. Madison and Eau Claire have the most; each record links to the provider's NPI and the Wisconsin license search. Page 6 of 7.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 237700000X · method

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

Madison has the most, 32

  1. Madison32
  2. Eau Claire18
  3. Green Bay16
  4. Fond Du Lac13
  5. Appleton11

Hearing Instrument Specialist records in Wisconsin

  1. Cassandra Sackett, H.I.S.Rhinelander, WI 545011528494382
  2. Tyler SagerGreen Bay, WI 543011689902488
  3. Melissa Sanders, H.I.S.Hudson, WI 540161407269954
  4. John Santucci, H.I.S.Greenfield, WI 532201467089672
  5. Peggy Schaefer, H.I.SMadison, WI 537041275706699
  6. Kathy Schauer, BC-HISBeaver Dam, WI 539161063452191
  7. Justin Schenck, HISEau Claire, WI 547011326801218
  8. Todd SchimmersAppleton, WI 549151275816159
  9. Denise SchimpWaukesha, WI 531861528627486
  10. Bradford Schmidt, HISRhinelander, WI 545011144044439
  11. Summer Schmidt, HID, HISHudson, WI 540161497623904
  12. Jordan ScholzenWisconsin Rapids, WI 544941780547638
  13. Douglas Schultz, R.PH., H.I.S.Oconomowoc, WI 530661053842187
  14. Ann Sebald, HISFranklin, WI 531321467047480
  15. Maria Seefeld, HISMarshfield, WI 544491659914505
  16. Cassandra Senecal, H.I.S.Fond Du Lac, WI 549351114584976
  17. Gail SerigMadison, WI 537191053763763
  18. Von Serig, HISMadison, WI 537191720482987
  19. Scott Sherman, H.I.S.Beaver Dam, WI 539161083097943
  20. Joel ShultisSouth Milwaukee, WI 531721235830696
  21. Mariah Siarkowski, HISMequon, WI 530921033945589
  22. Samantha Sikorski, H.I.SRice Lake, WI 548681205019007
  23. Thomas Sirianni, HIS HEARING INSTRUMEWausau, WI 544011447433511
  24. Rebecca SobcinskiKenosha, WI 531421912552985
  25. Chad Sorenson, HISGreen Bay, WI 543131023266715
  26. Samantha SpannbauerFond Du Lac, WI 549371750167946
  27. Joseph SteffensAppleton, WI 549151487003489
  28. Lori StephensHartford, WI 530271235600040
  29. Karen Stern, H.I.SWaupaca, WI 549811336312750
  30. Jillian StevensWatertown, WI 530981144600511
  31. Jason StewardBeaver Dam, WI 539161790026748
  32. Brandy Stork, H.I.S.Kenosha, WI 531441619349883
  33. Keith SwansonManitowoc, WI 542201144503038
  34. Jeffrey SzmandaFranklin, WI 531321114231412
  35. David TagueMilwaukee, WI 532261508421793
  36. Kirsten Thomas, HISOshkosh, WI 549021760292916
  37. Melissa ThomasMadison, WI 537191053771238
  38. Travis Thomley, H.I.S.Baraboo, WI 539131578751210
  39. Dianne Thompson, H.I.S.Rice Lake, WI 548681104159870
  40. James Thompson, HISRhinelander, WI 545011457744286
  41. Matthew Thompson, H.I.S.Madison, WI 537041588852693
  42. Thomas Thompson, H.I.S.Beaver Dam, WI 539161841463262
  43. Daniel Tokarczyk, HISBaraboo, WI 539131427536598
  44. Delores TomasikCudahy, WI 531101265676183
  45. Jens-Peter Transo, H.I.S.Boscobel, WI 538051003759796
  46. Breanne Turauski, HISRice Lake, WI 548681134580996
  47. Andrew Tyynismaa, H.I.S.Menomonie, WI 547511013499854
  48. Richard Vervoort, H.I.S.Green Bay, WI 543031912195652
  49. Sean VierlingOnalaska, WI 546501043609118
  50. Thomas VierlingOnalaska, WI 546501962687046

Source: CMS NPPES, primary taxonomy 237700000X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 2 of 51 per resident

  1. Iowa6.1
  2. Wisconsin5.6
  3. Missouri5.1
  4. Florida5.0
  5. 50 states and D.C.3.2

Source: CMS NPPES, primary taxonomy 237700000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.0% of these records appear in a Medicare file, against 0.1% 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. Wisconsin0.0%
  2. United States0.1%

Hearing Instrument Specialist records in Wisconsin, measured

  • In a Medicare file0 of 329 · 0.0% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file1 · 0.3% here, 0.2% nationally
  • Not updated in five years or more227 · 69.0% here, 65.3% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 237700000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

329 NPPES records list hearing instrument specialist (237700000X) as their primary taxonomy with a practice address in Wisconsin: 5.6 per 100,000 residents against 3.2 nationally (50 states and D.C.). Madison has 32 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. New York330
  2. North Carolina324
  3. Missouri315
  4. Michigan359

States with a similar rate per 100,000

  1. Florida5.0
  2. New Hampshire5.0
  3. Iowa6.1
  4. Minnesota4.9

The largest states

  1. Florida1,129
  2. California994
  3. Texas828
  4. Pennsylvania447
  5. Illinois408

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.