NPPES file of Aug 9, 2026

Hearing Instrument Specialist in Illinois

408 NPPES records list hearing instrument specialist with a practice address in Illinois, 3.3 per 100,000 residents, the 28th highest rate of 51. Rockford and Chicago have the most; each record links to the provider's NPI and the Illinois license search. Page 9 of 9.

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).

Rockford has the most, 24

  1. Rockford24
  2. Chicago19
  3. Peoria15
  4. Decatur14
  5. Quincy11

Hearing Instrument Specialist records in Illinois

  1. Benjamin WrightWheaton, IL 601891689003154
  2. Gary WrightRockford, IL 611071891826624
  3. Jonathan Wright, BC-HIS, ACAHomer Glen, IL 604911831473693
  4. Victoria WrightOrland Park, IL 604621194351395
  5. Michael Wuellner, H.A.S.Rockford, IL 611081922395334
  6. Ann Youngman, HISBloomington, IL 617041164738175
  7. Jeffrey Zanoni, BC - H.I.S.Robinson, IL 624541437555687
  8. Anthony ZepedaChicago, IL 606411699028373

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

Illinois ranks 28 of 51 per resident

  1. South Carolina3.4
  2. West Virginia3.3
  3. Oklahoma3.3
  4. Illinois3.3
  5. Delaware3.2
  6. Ohio3.1
  7. 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.

0.2% 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. Illinois0.2%
  2. United States0.1%

Hearing Instrument Specialist records in Illinois, measured

  • In a Medicare file1 of 408 · 0.2% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file1 · 0.2% here, 0.2% nationally
  • Not updated in five years or more270 · 66.2% 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

408 NPPES records list hearing instrument specialist (237700000X) as their primary taxonomy with a practice address in Illinois: 3.3 per 100,000 residents against 3.2 nationally (50 states and D.C.). Rockford has 24 of them (6%).

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. Ohio370
  2. Pennsylvania447
  3. Michigan359
  4. New York330

States with a similar rate per 100,000

  1. Delaware3.2
  2. Oklahoma3.3
  3. West Virginia3.3
  4. South Carolina3.4

The largest states

  1. Florida1,129
  2. California994
  3. Texas828
  4. Pennsylvania447
  5. Ohio370

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.