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 539 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. Davianna WilliamsInglewood, CA 903011215264577
  2. David WilliamsCanoga Park, CA 913031730300849
  3. Deborah WilliamsFresno, CA 937271477783611
  4. Debra WilliamsLos Angeles, CA 900021427277938
  5. Demarial WilliamsRichmond, CA 948041063133783
  6. Demetria WilliamsGrass Valley, CA 959451417712076
  7. Demetrius WilliamsLong Beach, CA 908051285988709
  8. Dennis WilliamsBakersfield, CA 933051689043861
  9. Derrick WilliamsChino, CA 917101548401748
  10. Derrick WilliamsSan Francisco, CA 941031326731720
  11. Derrick WilliamsSacramento, CA 958231518290873
  12. Desiree WilliamsSanta Ana, CA 927031457853004
  13. Destinee WilliamsLong Beach, CA 908051861828196
  14. Diane WilliamsAshland, CA 945781700728318
  15. Diane WilliamsSan Pablo, CA 948061770794141
  16. Don WilliamsSacramento, CA 958381316418924
  17. Donald WilliamsSan Marcos, CA 920691073001210
  18. Dora WilliamsLos Angeles, CA 900061023261674
  19. Emily WilliamsCanoga Park, CA 913031346039104
  20. Erin WilliamsSanta Monica, CA 904051881417707
  21. Esther WilliamsRiverside, CA 925011700774775
  22. Garrett WilliamsDesert Hot Springs, CA 922401609314541
  23. Geneal WilliamsAuburn, CA 956021952869190
  24. Ginned WilliamsCeres, CA 953071942363585
  25. Gregory WilliamsSanta Monica, CA 904041982495818
  26. Haley WilliamsBerkeley, CA 947091356878334
  27. Heather WilliamsSanta Rosa, CA 954011063680015
  28. Henrietta Williams, CAADACLos Angeles, CA 900471093937609
  29. Jacinta WilliamsCarmichael, CA 956081639236649
  30. Jacquelyn WilliamsUpland, CA 917861679903181
  31. Janine WilliamsLynwood, CA 902621679937254
  32. Jasmine WilliamsLos Angeles, CA 900071346037157
  33. Jay Williams, COUNSELORStockton, CA 952021760049043
  34. Jenique WilliamsLos Angeles, CA 900431699810572
  35. Jennifer WilliamsModesto, CA 953501629892047
  36. Jerry WilliamsLos Angeles, CA 900081902028087
  37. Jessica Williams, BSWSan Diego, CA 921541740847375
  38. John WilliamsLong Beach, CA 908041467707232
  39. John WilliamsRiverside, CA 925011205312907
  40. John WilliamsRedding, CA 960021578094520
  41. Johnny WilliamsInglewood, CA 903021073768701
  42. Johnny WilliamsBurlingame, CA 940101295156321
  43. Joseph WilliamsStockton, CA 952061326800673
  44. Joseph WilliamsEureka, CA 955011316165657
  45. Kaitlin Williams, RADT-1Camino, CA 957091750004099
  46. Katherine Williams, COADC-A-CSEscondido, CA 920251578756110
  47. Kathy WilliamsColton, CA 923241275050312
  48. Kenneth Williams, A052240321Desert Hot Springs, CA 922401962876326
  49. Kenyette WilliamsLos Angeles, CA 900441710853916
  50. Kevin WilliamsVan Nuys, CA 914111467738781

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.