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 540 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. Kevin Williams, CADACIIMerced, CA 953481265677918
  2. Kirk Williams, CAS-AOD SPECIALISTLos Angeles, CA 900081780077859
  3. Laneishe WilliamsLancaster, CA 935341639702756
  4. Larra WilliamsSacramento, CA 958161376020602
  5. Larry WilliamsStockton, CA 952021417079096
  6. Latoya Williams, SUDRCRoseville, CA 956611457819492
  7. Lawanda Williams, 13598-RCovina, CA 917241821623760
  8. Leticia WilliamsLos Angeles, CA 900341063240299
  9. Lisa WilliamsLong Beach, CA 908071952542789
  10. Lori WilliamsCompton, CA 902221568804409
  11. Lori Williams, CADCRiverside, CA 925011629423462
  12. Lori WilliamsModesto, CA 953501467918318
  13. Lorraine WilliamsSacramento, CA 958261821585159
  14. Lovell WilliamsBerkeley, CA 947021992369193
  15. Lucy WilliamsFresno, CA 937261831255371
  16. Lynnette Williams, SUDCCOakland, CA 946091093467953
  17. Lynora WilliamsLancaster, CA 935341568339083
  18. Marcella WilliamsScotts Valley, CA 950661467300384
  19. Marco Williams, AAEl Cajon, CA 920201306455274
  20. Marcus WilliamsSacramento, CA 958151033996020
  21. Marguerite WilliamsNewark, CA 945601265633226
  22. Matonia WilliamsBerkeley, CA 947021194194852
  23. Matthew WilliamsWoodland Hills, CA 913671285343731
  24. Maxfield WilliamsSan Francisco, CA 941031255911707
  25. Michael WilliamsSan Diego, CA 921021407405061
  26. Michael Williams, BS, CADCAnaheim, CA 928041316967276
  27. Michele Williams, RATCRedding, CA 960011578134458
  28. Monique WilliamsFrench Camp, CA 952311750784609
  29. Monty Williams, AOD COUNSELORColton, CA 923241962848648
  30. Mosella Williams, CATC-II, RASNorth Hollywood, CA 916011093142556
  31. Natalie WilliamsSanta Barbara, CA 931011801547070
  32. Patricia Williams, MSWOntario, CA 917621639706385
  33. Patricia Williams, CATC IISan Rafael, CA 949031649669243
  34. Patrick WilliamsPomona, CA 917671285057877
  35. Peggy WilliamsStockton, CA 952051013452093
  36. Penny WilliamsMartinez, CA 945531447437736
  37. Rachelle WilliamsNorth Hollywood, CA 916011114565637
  38. Ramon WilliamsEl Cajon, CA 920201487188678
  39. Rebekkah Williams, MFTILong Beach, CA 908051376060277
  40. Rita WilliamsLos Angeles, CA 900431720877665
  41. Robert Williams, DRUG ABUSE COUNSELORLos Angeles, CA 900431841487022
  42. Robert WilliamsVenice, CA 902911790620201
  43. Robert WilliamsEscondido, CA 920251982085999
  44. Robert WilliamsFresno, CA 937061548710650
  45. Robyn WilliamsPomona, CA 917671285803569
  46. Rodney WilliamsRiverside, CA 925071558883785
  47. Rona WilliamsLos Angeles, CA 900591073259560
  48. Rosalyn Williams, AOD COUNSELORSan Diego, CA 921081023539723
  49. Roxane Williams, CADC-IPomona, CA 917671154962827
  50. Roxanne WilliamsVisalia, CA 932771487277539

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.