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 12 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. Alexis Magill, HADBurbank, CA 915051316503741
  2. Jose MancillaSan Juan Capistrano, CA 926751912582289
  3. Laura MandujanoWhittier, CA 906051437903309
  4. Deane ManningSun City, CA 925861073879151
  5. Nataline ManningSun City, CA 925861053713628
  6. Dennis MantheSanta Rosa, CA 954031407974165
  7. Mavis MantheFolsom, CA 956301558489203
  8. Robert Manuel, BC-HISBakersfield, CA 933091811431570
  9. Karina ManzoLos Gatos, CA 950321023556214
  10. Touraj MaqsoudiLaguna Woods, CA 926371821283797
  11. Michael MarderosianNorthridge, CA 913241023249356
  12. Ryan MargettsSanta Monica, CA 904031255742797
  13. Julius Mariano, HISWest Covina, CA 917911346756202
  14. Aaron Marquis, HA3617, BC-HIS, ACASan Luis Obispo, CA 934011588603021
  15. Ashley MartinTurlock, CA 953801821875410
  16. John MartinOrange, CA 928681245749183
  17. Lizzette Martin, HA8272Pomona, CA 917671386205144
  18. Lynn MartinWhittier, CA 906031659122828
  19. Evelynn MartinezFullerton, CA 928351548977580
  20. Fernando Martinez, HADCommerce, CA 900221427698968
  21. Fernando Martinez, , HADSaratoga, CA 950701104156579
  22. Maria Martinez, HADNorthridge, CA 913241811570997
  23. Michael MartinezSan Francisco, CA 941181164911954
  24. Nina Martinez, LHADLos Angeles, CA 900351720471030
  25. Trinity MartinezWoodland Hills, CA 913671063307312
  26. Ilanit Marzouk, AUDLakewood, CA 907121285666495
  27. Jessica MassinghamFresno, CA 937101780329847
  28. Alan Mateer, HADSacramento, CA 958251972106250
  29. Kay Matsuyama, HISWest Covina, CA 917911790502227
  30. Tiffany MaxwellTemecula, CA 925911396545711
  31. Jaime MayArcata, CA 955211518250018
  32. Celeste MayaTustin, CA 927801558138263
  33. Eric MayerWest Covina, CA 917911225404452
  34. Eric MayerSan Francisco, CA 941021083026983
  35. Dana Mazarin, HADEncino, CA 914361588009625
  36. Deanna Mc Coy, ACA, BC-HISChico, CA 959261760554000
  37. Cindy Mc-Daniel-Houska, HADLa Mesa, CA 919421821345323
  38. Lora McDunnPasadena, CA 911071932863644
  39. Matthew McGaffick, HADChico, CA 959281730951898
  40. Jason McGrawPleasanton, CA 945661396199402
  41. Jasen McKenrickIndio, CA 922011245503457
  42. Thomas McKiernanModesto, CA 953501992080550
  43. Kevin McNultyHemet, CA 925451669871315
  44. Brook McQuownPalm Desert, CA 922601730464389
  45. Angeline MedawarEl Cajon, CA 920201447924543
  46. Matthew MedicusEscondido, CA 920251962682914
  47. Christopher MedinaMontebello, CA 906401619337417
  48. Ilona Melkonyan, HADLos Angeles, CA 900171922751114
  49. Jenika MendezAnaheim, CA 928011386096444
  50. Susan Mendoza, HISEl Centro, CA 922431376111575

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.