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 18 of 20.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 237700000X · method

San Diego has the most, 26

Hearing Instrument Specialist records in California

  1. Stuart Spencer, HADLaguna Woods, CA 926371144646837
  2. Nicole Spinelli-Fuson, HISRoseville, CA 956781881478089
  3. Barett St GermainCastro Valley, CA 945461376879353
  4. Justin Stack, HA-7393Santa Cruz, CA 950621306118047
  5. Tiffany Stacy, HISSan Juan Capistrano, CA 926751669742391
  6. Steffany StahlElk Grove, CA 957581598217085
  7. Tiffany Stangl, LHADOceanside, CA 920581770966020
  8. Kevin StanishSeal Beach, CA 907401346710969
  9. Ben Stanowski, HA4010Loma Linda, CA 923541639317936
  10. Rudy Stanowski, HAD1347Covina, CA 917241972798882
  11. Wesleigh Stoltz, HEARING AID DISPENSEModesto, CA 953501760015226
  12. Patricia StraightConcord, CA 945201932656790
  13. Eric StrattonSonoma, CA 954761316283492
  14. Frank Strong, H.D.Pomona, CA 917681053462747
  15. Frank StrongPomona, CA 917681154946648
  16. Christopher Sumer, HISEncinitas, CA 920241427451202
  17. Marcos Suriel, H.I.S.Downey, CA 902401740127836
  18. Kevin SwanRedlands, CA 923731669104816
  19. Sydney SzillinskySacramento, CA 958161285131433
  20. Deborah TalamantezSan Diego, CA 921041306314356
  21. Danielle TanPasadena, CA 911071033777651
  22. Jerry TanPasadena, CA 911071780171785
  23. Patrick TanPasadena, CA 911071063131894
  24. Ren TangSan Jose, CA 951121255405270
  25. Jami TanihanaArcadia, CA 910071083639496
  26. Janet TaylorSan Dimas, CA 917731407035769
  27. Melody TaylorBakersfield, CA 933011538183256
  28. Nicole TaylorWestminster, CA 926831598168585
  29. Keith TeeleMontclair, CA 917631023030061
  30. Melissa TeeleMontclair, CA 917631215211370
  31. Kathy ThaiSan Jose, CA 951161730029737
  32. Sumeet ThindNapa, CA 945581124941752
  33. Alice Thomas, HEARING AID DISPENSELancaster, CA 935341669548814
  34. Gary Thomas, HEARING AID DISPENSEHesperia, CA 923451073651287
  35. Vicki Thomas, HEARING AID DISPENSEHesperia, CA 923451326174269
  36. Lisa Thomas-AxlerYreka, CA 960971528825312
  37. Lauren TitelmanSimi Valley, CA 930651043060478
  38. Dennis Tobin, B-H.I.S.Petaluma, CA 949521518247923
  39. Anthony Tomicich, J.D., NBC-HISVista, CA 920811538349980
  40. Armine TopchianBeverly Hills, CA 902111679647879
  41. Marissa TorresPasadena, CA 911011467949065
  42. Marissa Torres BarrancoTorrance, CA 905041700674413
  43. Christina Toussaint, HADCerritos, CA 907031255606067
  44. Kathy Tova, HA7430Turlock, CA 953821164838843
  45. Alma Tovar MartinBakersfield, CA 933091346063377
  46. Stephen TownerSun City, CA 925861104182286
  47. Cynthia TownsleyTustin, CA 927801295512077
  48. Nguyen TranTustin, CA 927801457653545
  49. Trung TranFountain Valley, CA 927081598227134
  50. David TrefryOceanside, CA 920561730315557

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.