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 2 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. Suzanne BaptisteEl Cerrito, CA 945301144565680
  2. Charles Barnett, M.S., CCC-SLP, HISStockton, CA 952191982140968
  3. Candi BarreraUkiah, CA 954821003562919
  4. Gregory BarrettLa Jolla, CA 920371417372228
  5. Dawn Barrett-Lauer, HADSanta Cruz, CA 950601619303062
  6. Marline BarrowsRedlands, CA 923741194262303
  7. Cheridan BartkoskiFallbrook, CA 920281164030268
  8. Joseph Bartlett, ACA, BC-HISChico, CA 959261437559770
  9. Terry BartlettOroville, CA 959661407955891
  10. Kimberly Bastardo, HISChico, CA 959261558936716
  11. Michelle BastinWestminster, CA 926831003345711
  12. Jacquelyn Baumgartner, HADBurbank, CA 915051225544927
  13. Aimee BaxterFresno, CA 937041386287399
  14. Haley BayleySan Diego, CA 921031053937771
  15. Jacob Beamesderfer, HISHemet, CA 925451548414378
  16. Sarah BeattySanta Barbara, CA 931111114693231
  17. Kenneth Becerril, ACARiverside, CA 925061902965734
  18. John BeckwithLos Gatos, CA 950301356687909
  19. Nicole BellSanta Rosa, CA 954051770452898
  20. John BellinPasadena, CA 911011609116755
  21. Arturo BeltranSan Diego, CA 921031053936989
  22. Christopher Beltran, A.A.El Centro, CA 922431619269297
  23. Sunny Beltran, BA, HATorrance, CA 905031740670298
  24. Robert BennettLincoln, CA 956481134671571
  25. Samia BennisSanta Monica, CA 904041912348426
  26. Janet Benson, HA 7938Yuba City, CA 959911013677814
  27. William Benson, BCHISVisalia, CA 932771720286867
  28. Michelle BernalLong Beach, CA 908071093431611
  29. Gina BernardinoCosta Mesa, CA 926261184917130
  30. Spencer Bernatt, HISAlameda, CA 945011457933046
  31. Marc Bernstein, HA2988Novato, CA 949451659655967
  32. Mariah BillingsCamarillo, CA 930101619614575
  33. Kenneth Blake, H.I.S.Rancho Mirage, CA 922701013933589
  34. Ritchie BlancoPleasant Hill, CA 945231780270694
  35. Nicholas Bliss, H.I.SThousand Oaks, CA 913611902294259
  36. Dean BlountEl Cajon, CA 920201205027158
  37. Fahima BockUpland, CA 917861700258928
  38. Michael Boersen, BA, HADRedlands, CA 923731417510249
  39. Brian BolenbaughSan Luis Obispo, CA 934011275958571
  40. Colleen BoltePalm Springs, CA 922621740740406
  41. Deborah BondStockton, CA 952071013326255
  42. Kathy Bonny-Redding, L.H.A.S., A.A.Carlsbad, CA 920081740634856
  43. Greg BoonePleasant Hill, CA 945231205189123
  44. Richard Borello, HISUpland, CA 917861235300302
  45. Tod BorgesLodi, CA 952401023137874
  46. Roy BostickSanta Rosa, CA 954031598217887
  47. Susan Boutault, HISCovina, CA 917231851493282
  48. Chris BoydTorrance, CA 905011023218856
  49. Dan Bozarth, H.I.S.Simi Valley, CA 930651053678722
  50. Nancy Bozarth, HISSimi Valley, CA 930651871630996

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.