NPPES file of Aug 9, 2026

Hearing Instrument Specialist in California

994 NPPES records list hearing instrument specialist with a practice address in California, 2.6 per 100,000 residents, the 40th highest rate of 51. San Diego and Fresno have the most; each record links to the provider's NPI and the California license search. Page 4 of 20.

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).

San Diego has the most, 26

  1. San Diego26
  2. Fresno24
  3. Los Angeles21
  4. Long Beach18
  5. Carlsbad17

Hearing Instrument Specialist records in California

  1. Paula CastanonHuntington Beach, CA 926471649758137
  2. Karen Castro, H.I.S.Valencia, CA 913551245999465
  3. Keith CastroPlacentia, CA 928701326446022
  4. Melissa CastroSeal Beach, CA 907401447534870
  5. Jenelyn CavalloOakland, CA 946091891491924
  6. Alejandro CazaresLa Jolla, CA 920371891408803
  7. Alma ChavezSan Diego, CA 921281063683613
  8. Richard Cheshire, HEARING AID SPECIALIBakersfield, CA 933011558557926
  9. Vincent ChiquetElk Grove, CA 957581992080840
  10. George Christos, AUDIOLOGISTLos Gatos, CA 950321104184258
  11. Kay Chun, HISFullerton, CA 928351821622291
  12. Jessica Cimolino, HADNapa, CA 945581205361391
  13. Ethan ClarkTorrance, CA 905041790655033
  14. Darlene ClesceriSan Juan Capistrano, CA 926751396416780
  15. Eitan CohenEl Cerrito, CA 945301477214815
  16. Saverio Colarusso, HISCarlsbad, CA 920081669997235
  17. Michael ColbertGrover Beach, CA 934331730414343
  18. Amanda Combs, HADCarlsbad, CA 920081235776451
  19. Mitchel ConcepcionStockton, CA 952071306245907
  20. Jacob ConcienneRedding, CA 960021659158723
  21. Hugo Cordon, HADLong Beach, CA 908081417432782
  22. Faith CordsHemet, CA 925431508422536
  23. Noemi Corona ZunigaCarson, CA 907451730969965
  24. Julie Correia, M.A.Long Beach, CA 908061275662629
  25. Maxwell Cotter, MD, PHDBurbank, CA 915041770696189
  26. Robert Cousins, LHADDiamond Bar, CA 917651740646587
  27. Anna Cova, HADMission Hills, CA 913451073980371
  28. Katrina Cox, HADRancho Mirage, CA 922701073900023
  29. Taylor CoxArcadia, CA 910071952960130
  30. Loretta Coyle, HISSan Jose, CA 951231568105187
  31. David Crofut, BCHISPalm Desert, CA 922601871774695
  32. Craig CulverLancaster, CA 935341285656587
  33. Vickie Culver, HEARING AID SPECIALILancaster, CA 935341144715988
  34. Edmund CunninghamTarzana, CA 913561053656710
  35. Trudy CurielHemet, CA 925431770395030
  36. Pamela CurrierYucca Valley, CA 922841376828673
  37. Samantha CurryLancaster, CA 935361548976715
  38. Ivy DaepCorte Madera, CA 949251538784251
  39. Terasa DaffronModesto, CA 953501225287543
  40. Scott Daly, H.A.D.San Clemente, CA 926721073934154
  41. John Dandurand, BC-HISSolana Beach, CA 920751497901680
  42. Tyler Dandurand-Reynolds, HADChula Vista, CA 919101336887165
  43. Sandra Danz, HEARING AID DISPENSEPlacerville, CA 956671881929412
  44. Gretchen DaulmanMorro Bay, CA 934421538686928
  45. Ryan David, LHAD, NBC-HISTemecula, CA 925911952945974
  46. Deborah DavisFairfield, CA 945331770066375
  47. Dinah DavisStockton, CA 952071902660152
  48. Emalia Davis, HISStockton, CA 952071902669864
  49. Kelle Davis, HADEl Cajon, CA 920211902853344
  50. Susan Davis-Carr, BC HIS 3679Citrus Heights, CA 956211598144024

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

California ranks 40 of 51 per resident

  1. Rhode Island2.7
  2. Texas2.7
  3. Arkansas2.6
  4. California2.6
  5. Utah2.5
  6. Louisiana2.4
  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. California0.2%
  2. United States0.1%

Hearing Instrument Specialist records in California, measured

  • In a Medicare file2 of 994 · 0.2% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file2 · 0.2% here, 0.2% nationally
  • Not updated in five years or more646 · 65.0% 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

994 NPPES records list hearing instrument specialist (237700000X) as their primary taxonomy with a practice address in California: 2.6 per 100,000 residents against 3.2 nationally (50 states and D.C.). San Diego has 26 of them (3%).

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. Florida1,129
  2. Texas828
  3. Pennsylvania447
  4. Illinois408

States with a similar rate per 100,000

  1. Arkansas2.6
  2. Utah2.5
  3. Louisiana2.4
  4. Tennessee2.4

The largest states

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