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 6 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. Ivette Espinosa, H.I.SDowney, CA 902401073369963
  2. Brenda Espinoza, HADBakersfield, CA 933091336978923
  3. Vanessa EspinozaWestminster, CA 926831356990998
  4. Lori Esposito, B.A., NBC-HIS, HADOrange, CA 928661255466405
  5. Pamela EstoniloSan Jose, CA 951481669942462
  6. Jessica EstradaVentura, CA 930031972739605
  7. Roman EstradaFremont, CA 945381790511509
  8. Wanda EurasquinPasadena, CA 911061154378487
  9. Nathan Evans, H.I.S.Costa Mesa, CA 926261730580267
  10. Glen FairfieldGrover Beach, CA 934331639304173
  11. Maria Margarita FajardoReseda, CA 913351275196818
  12. Linda Fall, HISSacramento, CA 958251679974687
  13. Masoud FarandOrange, CA 928681215413489
  14. Mohammad FardghassemiCosta Mesa, CA 926271871900399
  15. Renee Featherstone, H.A.D.Thousand Oaks, CA 913601922517507
  16. Lukas FellFountain Valley, CA 927081770369878
  17. Megan Felthoven, HADSalinas, CA 939011144617184
  18. Robert FelthovenSalinas, CA 939011891219796
  19. Douglas Fendrich, BC HISWhittier, CA 906011235353061
  20. Louis Ferguson, BC-HISAntioch, CA 945091174722896
  21. Danyelle FernandezLong Beach, CA 908081316417769
  22. Monica FernandezFullerton, CA 928351376691980
  23. Michael Ferrito, HEARINGAID DISPENSERSanta Clara, CA 950501033307566
  24. Franchesca Fiorini, HASSan Marcos, CA 920781811342926
  25. Kathleen FischerParadise, CA 959691114247095
  26. Michele Fiscus, HADWestlake Village, CA 913611033462718
  27. Brian FloresDowney, CA 902401144752825
  28. Deanna Flores, IHSPinole, CA 945641972366359
  29. Debbie Flores, HISStockton, CA 952071427744366
  30. Jacob FloresSan Jose, CA 951251629608435
  31. Joshua FocklerRedding, CA 960011194350793
  32. David FordMurrieta, CA 925631134880875
  33. Carol Foreman, M.A.La Jolla, CA 920371790998342
  34. William ForrestEl Dorado Hills, CA 957621538431150
  35. Collette Forshan, HADSan Diego, CA 921291629196969
  36. Fabio Fortunato, H.I.S.Lancaster, CA 935341639470792
  37. Russell Foss, BC-HISRancho Mirage, CA 952271104949957
  38. Denise Franken-Duff, H.A.D.Apple Valley, CA 923071407298490
  39. Joshua Frantz, BC-HISChico, CA 959261881629822
  40. Steven FrauenholtzFresno, CA 937261801941885
  41. Jennifer Frazelle, HA 8174Citrus Heights, CA 956211770092660
  42. Sabrina FredricksonGlendora, CA 917401831927441
  43. Gregory Free, ACA, BC-HISEl Cerrito, CA 945301891959722
  44. Susan FriesenFresno, CA 937201164943767
  45. Tod FruehTorrance, CA 905051679054258
  46. Frank Frugone, HADLos Angeles, CA 900481629612973
  47. Rob Fuller, HADNapa, CA 945581518370022
  48. Nicole Fullmer, H.A.D.Sonora, CA 953701518849207
  49. Joan FunariSan Jose, CA 951191477812899
  50. John FuscoRiverside, CA 925031770626806

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.