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 2 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. Brian Czarnecki, H.I.SRacine, WI 534061437322856
  2. Jennifer DahmerMequon, WI 530921528510518
  3. Colleen DainesMauston, WI 539481881328698
  4. Kassandra Davis, HISBrookfield, WI 530451730913427
  5. Jonathan Deeslie, H.I.S.Oshkosh, WI 549011720321623
  6. Mario Deluca, HISMenomonee Falls, WI 530511245047372
  7. Amy Demerritt, H.I.S.Green Bay, WI 543111326238668
  8. Richard DenisMadison, WI 537041124806229
  9. Tracy Diehm, BC-HISMount Horeb, WI 535721033589007
  10. John Divelbiss, H.I.S.Eau Claire, WI 547011851619878
  11. Robert Dohe, H.I.S.Oshkosh, WI 549011588918361
  12. Sarah DrenglerGreen Bay, WI 543031730548355
  13. Peter DrummondMount Pleasant, WI 534061528527058
  14. Cindy DucklowBaraboo, WI 539131417183500
  15. Darin DucklowMadison, WI 537191154557247
  16. John Dunne, H.I.S.Menomonee Falls, WI 530511134446560
  17. Krista Durnin, HISLa Crosse, WI 546011619423985
  18. Celeste DyerOnalaska, WI 546501841527025
  19. John Dykstra, H.I.S.New Berlin, WI 531511417329772
  20. Juliann Dykstra, B.C.-H.I.S.Racine, WI 534061487825733
  21. Paul Ebben, H.I.S.Marinette, WI 541431245419209
  22. Ronald EberhardtManitowoc, WI 542201285212928
  23. Ruth Edwards, H.I.S.Fond Du Lac, WI 549351699902189
  24. Sheryl Emery, H.I.SMadison, WI 537041053745372
  25. Lynn Erickson-Meier, NBS-HIS #623Waterford, WI 531851164697215
  26. Joshua Fabrycki, HISSheboygan, WI 530831851235170
  27. William FaschingViroqua, WI 546651497813323
  28. Karen Fennema, BCHISFond Du Lac, WI 549351730346677
  29. Rachel Fennema, HISFond Du Lac, WI 549351437386711
  30. David Fenrich, H.I.S.Sheboygan, WI 530811134395106
  31. Susan Fenrich, BC-HISSheboygan, WI 530811063613222
  32. Jeff Fernholz, HISKenosha, WI 531431982932026
  33. Vicky Fierek, BC-HISWausau, WI 544011205086881
  34. Amanda Fisher, HISManitowoc, WI 542201255023677
  35. Savana FlandersMenomonee Falls, WI 530511952108631
  36. Zachary FleuryBeloit, WI 535111063204485
  37. Richard Flunker, H.I.S.Sheboygan, WI 530831063609329
  38. Terrance Ford, HISRib Mountain, WI 544011376706135
  39. Jodie Forrey, H.I.SMadison, WI 537191780180513
  40. Terry Fox, BCHISFond Du Lac, WI 549351093942377
  41. Steven FransonMonroe, WI 535661467689216
  42. Katoria Gappa, H.I.SBaraboo, WI 539131669711024
  43. Judy GardinerAppleton, WI 549111861369852
  44. Dolores Gauthier, HISElm Grove, WI 531221790262442
  45. Ashley GenkeShawano, WI 541661609549054
  46. Tony Gibson, HISAppleton, WI 549111265122444
  47. Mark GieseJanesville, WI 535451932353984
  48. James GigotGreen Bay, WI 543031558644427
  49. Jeffrey Gilane, B.A., H.I.S.Waterford, WI 531851801083191
  50. Michael GitterMenomonee Falls, WI 530511548201866

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.