NPPES file of Aug 9, 2026

Hearing Instrument Specialist in Missouri

315 NPPES records list hearing instrument specialist with a practice address in Missouri, 5.1 per 100,000 residents, the 3rd highest rate of 51. Springfield and Saint Louis have the most; each record links to the provider's NPI and the Missouri license search. Page 7 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).

Springfield has the most, 35

  1. Springfield35
  2. Saint Louis23
  3. Columbia10
  4. Jefferson City10
  5. Joplin10

Hearing Instrument Specialist records in Missouri

  1. Robert WilliamsFlorissant, MO 630311831978808
  2. Carl Willingham, HISMexico, MO 652651154696300
  3. Elizabeth Wilmesherr, MA, F-AAAUnion, MO 630841003942772
  4. Joseph WilsonSpringfield, MO 658071023241262
  5. Larry WilsonKansas City, MO 641331497829089
  6. Kayla WindesBolivar, MO 656131972489060
  7. Jon WoodColumbia, MO 652031891087730
  8. Kevin WoodruffMaplewood, MO 631431295452233
  9. Sarah Woods, BC-HISArnold, MO 630101700463692
  10. Heather Wright, HISBranson, MO 656161477014090
  11. Tammy WrightBlue Springs, MO 640141598110173
  12. Tom Wright, H.I.S.Poplar Bluff, MO 639011841476140
  13. Jack Yadon, HISSpringfield, MO 658071831783331
  14. Randolph Youmans, BC-HISKansas City, MO 641161497925663
  15. Kristine YoungSedalia, MO 653011033314356

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

Missouri ranks 3 of 51 per resident

  1. Iowa6.1
  2. Wisconsin5.6
  3. Missouri5.1
  4. Florida5.0
  5. New Hampshire5.0
  6. 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. Missouri0.0%
  2. United States0.1%

Hearing Instrument Specialist records in Missouri, measured

  • In a Medicare file0 of 315 · 0.0% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, 0.2% nationally
  • Not updated in five years or more200 · 63.5% 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

315 NPPES records list hearing instrument specialist (237700000X) as their primary taxonomy with a practice address in Missouri: 5.1 per 100,000 residents against 3.2 nationally (50 states and D.C.). Springfield has 35 of them (11%).

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. North Carolina324
  2. Wisconsin329
  3. New York330
  4. Washington282

States with a similar rate per 100,000

  1. Florida5.0
  2. New Hampshire5.0
  3. Minnesota4.9
  4. Vermont4.8

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.