NPPES file of Aug 9, 2026

Addiction (Substance Use Disorder) Counselor in California

27,741 NPPES records list addiction (substance use disorder) counselor with a practice address in California, 71 per 100,000 residents, the 4th highest rate of 51. Los Angeles and Fresno have the most; each record links to the provider's NPI and the California license search. Page 239 of 555.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 101YA0400X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Los Angeles has the most, 2,101

  1. Los Angeles2,101
  2. Fresno1,231
  3. Sacramento1,187
  4. San Diego1,015
  5. San Francisco839

Addiction (Substance Use Disorder) Counselor records in California

  1. Suzanne InzunzaStockton, CA 952021205415031
  2. Andrew Ionatuivaiti, CADC-1Santa Monica, CA 904051285195545
  3. Alofagia IosuaSanta Fe Springs, CA 906701740054337
  4. Valerio IovinoAgoura Hills, CA 913011821865544
  5. Nicole Irby, SUBSTANCE ABUSEPasadena, CA 911041801473228
  6. Jennifer Ireland, MFTISanta Maria, CA 934541386914687
  7. Susan Ireland, ADCDowney, CA 902411619591260
  8. Kerry Ireland SongLemon Grove, CA 919451801414248
  9. Marcel Iriart, RADTDulzura, CA 919171669319349
  10. Martha IrizarrySan Francisco, CA 941031225181415
  11. Joel IronsSanta Cruz, CA 950601104091289
  12. Ireenii IrvinSacramento, CA 958231558010066
  13. Angelique Irving, MPHHayward, CA 945411235950031
  14. Bonnie Irving, CADC-CASSan Diego, CA 921051922581156
  15. Kelli IrvingRed Bluff, CA 960801811613789
  16. Troy Irving, SUDRCEscondido, CA 920251184560443
  17. Kisha IrvinsLemon Grove, CA 919451740062900
  18. Sarah Irwin, BA, RADTLos Angeles, CA 900211427674704
  19. Scott Irwin, B.A., CASSan Diego, CA 921031861695975
  20. Jessica IsaacSan Francisco, CA 941171376417139
  21. Alexandra IsaacsVenice, CA 902911740057454
  22. Carlos IsaisFullerton, CA 928321831271386
  23. Delena IsaisSanta Cruz, CA 950601568922888
  24. Luisa IsbellSan Francisco, CA 941021780257600
  25. Sheb IsbellBerkeley, CA 947031104671833
  26. Jimmy IschNewark, CA 945601912118357
  27. Robert IschingerPalm Springs, CA 922641598308660
  28. Aric IshamRedding, CA 960011144084963
  29. Jesse IshamNorth Hollywood, CA 916011043018740
  30. Edgar IsidoroLong Beach, CA 908131144821935
  31. Yvette IsidroOxnard, CA 930301639711088
  32. Abdul IslamCompton, CA 902221134317829
  33. Nimat IslamCompton, CA 902221497943369
  34. Ronnie IslamCompton, CA 902221528400462
  35. Zakiyyah IslamCompton, CA 902221437347200
  36. Micheliah IslandLos Angeles, CA 900081407008311
  37. Alex IslasSun Valley, CA 913521598067506
  38. Amanda IslasSanta Ana, CA 927011043844426
  39. Susana IslasHanford, CA 932301356981500
  40. Maria Islas-BanthiSan Francisco, CA 941031700915329
  41. Christina IslerAnaheim, CA 928051407522725
  42. Saudah Ismail, RADTWoodland Hills, CA 913671265289870
  43. Haley Isman, RADTGlendora, CA 917401316787120
  44. Christian IspeckyPasadena, CA 911031033940333
  45. Ronald IsraelSan Juan Capistrano, CA 926751437534252
  46. Antoine IssaSan Diego, CA 921031629667639
  47. Samantha IstfanLong Beach, CA 908101538723200
  48. Gladys ItchonSanta Monica, CA 904051760926497
  49. Anthony ItkinLos Angeles, CA 900481942974761
  50. Chihiro ItoLos Angeles, CA 900341568168292

Source: CMS NPPES, primary taxonomy 101YA0400X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 4 of 51 per resident

  1. Alaska135
  2. Ohio95
  3. Oregon95
  4. California71
  5. Maine61
  6. Montana61
  7. 50 states and D.C.28

Source: CMS NPPES, primary taxonomy 101YA0400X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.1% of these records appear in a Medicare file, against 1.0% 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. California0.1%
  2. United States1.0%

Addiction (Substance Use Disorder) Counselor records in California, measured

  • In a Medicare file26 of 27,741 · 0.1% here, 1.0% nationally
  • In the CMS Doctors and Clinicians file32 · 0.1% here, 1.7% nationally
  • Not updated in five years or more16,340 · 58.9% here, 57.4% nationally
  • Median graduation year2015 · the 32 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 101YA0400X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

27,741 NPPES records list addiction (substance use disorder) counselor (101YA0400X) as their primary taxonomy with a practice address in California: 71 per 100,000 residents against 28 nationally (50 states and D.C.). Los Angeles has 2,101 of them (8%).

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. Ohio11,255
  2. New York5,180
  3. Washington4,416
  4. Oregon4,037

States with a similar rate per 100,000

  1. Maine61.3
  2. Montana61.0
  3. North Dakota56.8
  4. Rhode Island51.1

The largest states

  1. Ohio11,255
  2. New York5,180
  3. Washington4,416
  4. Oregon4,037
  5. North Carolina3,066

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.