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 495 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. Bettie Thomas, RASRichmond, CA 948051851594584
  2. Brian ThomasVisalia, CA 932911598126013
  3. Brian ThomasOakland, CA 946031699196360
  4. Brianna ThomasOntario, CA 917611912697293
  5. Carl ThomasLemon Grove, CA 919451730709973
  6. Carla Thomas, BSLancaster, CA 935341679726046
  7. Cleo ThomasLong Beach, CA 908131649406331
  8. Cristy Thomas, RADT-1Garden Valley, CA 956331487010732
  9. Danyelle ThomasSacramento, CA 958411508106725
  10. David ThomasSan Diego, CA 921111023678513
  11. Detra ThomasSan Francisco, CA 941031659182350
  12. Donna ThomasLos Angeles, CA 900181568737294
  13. Elizabeth Thomas, CADC IDesert Hot Springs, CA 922401174996508
  14. Elizabeth ThomasSan Jacinto, CA 925831407313364
  15. Helen ThomasMurrieta, CA 925621417674946
  16. Helen ThomasMerced, CA 953401851420269
  17. James Thomas, CADCABerkeley, CA 947041962839043
  18. Javonna ThomasTorrance, CA 905041144352444
  19. Johnny ThomasLos Angeles, CA 900381053817593
  20. Jonathan Thomas, RADT1, CAODCSanta Ana, CA 927011336613835
  21. Judith Thomas, CADCIIOrange, CA 928681578923611
  22. Julia ThomasHesperia, CA 923451689048308
  23. Kayla ThomasEscondido, CA 920261588285274
  24. Kennetta Thomas, COUNSELORLos Angeles, CA 900441205114667
  25. Keondre ThomasFresno, CA 937271407400856
  26. Kevin ThomasSanta Ana, CA 927011457061129
  27. Linda Thomas, MSWEl Centro, CA 922431538536974
  28. Lionell ThomasInglewood, CA 903041841460789
  29. Mary ThomasLong Beach, CA 908131679057590
  30. Matthew ThomasSan Bernardino, CA 924101376426072
  31. Melvin ThomasLincoln Heights, CA 900311447957592
  32. Michael ThomasFresno, CA 937281447178504
  33. Michael ThomasSacramento, CA 958161962247460
  34. Michael ThomasOroville, CA 959651184990582
  35. Michelle ThomasStanton, CA 906801669914628
  36. Michelle Thomas, LAADC RStockton, CA 952191649545849
  37. Nicole Thomas, RADTSanta Ana, CA 927011710764279
  38. Norman Thomas, CAS ISan Francisco, CA 941031235313792
  39. Patrick ThomasEl Cajon, CA 920201093188526
  40. Paula ThomasPacoima, CA 913311386366466
  41. Ramona Thomas, COUNSELORStockton, CA 952021205958824
  42. Richard ThomasCompton, CA 902201003190943
  43. Rick Thomas, M.S., C.A.T.C.Santa Ana, CA 927011427270735
  44. Robert Thomas, RADT 1San Jose, CA 951221952825911
  45. Ronisha ThomasFresno, CA 937211245036763
  46. Russell ThomasLos Angeles, CA 900441174040430
  47. Sandra Thomas, D1007310950Hawthorne, CA 902501831558832
  48. Sarah Thomas, CASConcord, CA 945181063814648
  49. Sharea ThomasSacramento, CA 958231902270895
  50. Shay ThomasOrange, CA 928681396311569

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.