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 8 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. Mark Haddad, MA DISPENSER AUDIOPBuena Park, CA 906201356364707
  2. Lee HagansHemet, CA 925451689111890
  3. David HallFresno, CA 937101720535222
  4. Douglas HallFresno, CA 937101255486247
  5. Ernie HallOakland, CA 946121053478727
  6. Jeffrey HallSan Deigo, CA 921081447577879
  7. Kirk Hall, HTSRoseville, CA 956611265648851
  8. Junesoo HamTorrance, CA 905041932605458
  9. Lana HamburgerWhittier, CA 906011346288388
  10. Eddie Han, HISFullerton, CA 928351114496403
  11. Shang Han, HA8163Tarzana, CA 913351255879235
  12. Brian Handy, PH.D.Fresno, CA 937201770745697
  13. Robert Hanley, HADLong Beach, CA 908031801237482
  14. Maxwell Hargis, HISSan Marcos, CA 920781144533860
  15. Russell Harlan, HEARING INSTRUMENT SAnaheim, CA 928011649395856
  16. Curtis HarmonSan Bernardino, CA 924101871669309
  17. Sierra HarnsanamyxaySanta Cruz, CA 950621376288019
  18. Brenna HarperEureka, CA 955011750177176
  19. McKenzie HarrisFresno, CA 937101275356453
  20. Stephanie HarrisonWhittier, CA 906011588150361
  21. Debbie Hart, HA7324Auburn, CA 956031902057938
  22. Behnaz Hashemi NiaCamarillo, CA 930121558165662
  23. Ronald HassettRoseville, CA 956611376045203
  24. Rachel HauswirthFresno, CA 937101528927605
  25. Fredrik HawkinsFair Oaks, CA 956281356752000
  26. Amanda HayashiGranada Hills, CA 913441891496550
  27. Stephen HeleniakRedding, CA 960011831065945
  28. Alfredo HernandezClaremont, CA 917111568241537
  29. Celeste HernandezNewhall, CA 913211437496361
  30. Chanel HernandezWest Covina, CA 917901730974155
  31. Donna Hernandez, HEARING AID DISPENSOVisalia, CA 932911720399272
  32. Elizabeth Hernandez CuetoWestchester, CA 900451538834593
  33. Mayra HerreraUpland, CA 917861770070369
  34. Rebecca Hewitt, HISCamarillo, CA 930121912728064
  35. Marta HicksAlbany, CA 947071609807999
  36. Larry Hill, HISYreka, CA 960971497039275
  37. Raymond Hill, HEARING AID DISPENSEVallejo, CA 945891063240562
  38. Toby Hill, HISWalnut Creek, CA 945951366624926
  39. Anthony HinsonAuburn, CA 956031912270877
  40. Patricia HoSan Francisco, CA 941161093474967
  41. Teresa HoboldMurrieta, CA 925631134884042
  42. Noel HoffmannLake Forest, CA 926301871761387
  43. Ryan Holden, HEARING AID DISPENSEModesto, CA 953501932486636
  44. Mary HollandMerced, CA 953481417163684
  45. Tyler Holle, H.A.D.Montclair, CA 917631932524097
  46. Dustin HolleyChula Vista, CA 919101598586059
  47. James HolmesSan Jose, CA 951291396217063
  48. Carol HoltFresno, CA 937201619754314
  49. Scott HoltHayward, CA 945411295882603
  50. Bruce HonakerRoseville, CA 956781841534641

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.