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 538 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. Robert WilkinsonLong Beach, CA 908041891357778
  2. James WillardLong Beach, CA 908131578388856
  3. Rachel WillardBenicia, CA 945101487288726
  4. Rebecca WilldenSan Francisco, CA 941031518788116
  5. Brian Willems, CI35270322Fresno, CA 937211619505435
  6. Jonathan WillettLos Angeles, CA 900131982541926
  7. Susan WilleySouth Lake Tahoe, CA 961501528257136
  8. Wendy WillhoitSan Jose, CA 951191427207679
  9. Aurora WilliamSanta Maria, CA 934541346865433
  10. Abbye Williams, CADC IIEl Monte, CA 917311891213229
  11. Adrienne WilliamsChico, CA 959261447722756
  12. Alison WilliamsHesperia, CA 923451700384096
  13. Amanda WilliamsAnaheim, CA 928041386010551
  14. Amanda Williams, RADTPalmdale, CA 935501326814625
  15. Amanda Williams, CADCRedding, CA 960011053027003
  16. Amber WilliamsSanta Cruz, CA 950621215289533
  17. Ambria WilliamsAntioch, CA 945091578324109
  18. Andrea WilliamsColton, CA 923241952030553
  19. Anne WilliamsRancho Cordova, CA 956701467253963
  20. Annie WilliamsWatsonville, CA 950761497340996
  21. Anthony WilliamsSan Mateo, CA 944031760206353
  22. Antonio WilliamsOceanside, CA 920561801231964
  23. April WilliamsLos Angeles, CA 900281386101095
  24. April Williams, R.A.D.T-IModesto, CA 953501952140329
  25. Arthur WilliamsSan Bernardino, CA 924101033314539
  26. Audrea WilliamsSacramento, CA 958231134545817
  27. Bryant WilliamsRedding, CA 960011063031722
  28. Calvin Williams, LCSWSanta Ana, CA 927011063228203
  29. Carmen WilliamsSan Diego, CA 921081649837089
  30. Carmen WilliamsOxnard, CA 930361730213810
  31. Carrie WilliamsWest Hollywood, CA 900691356900658
  32. Chardnae WilliamsPalmdale, CA 935501811854474
  33. Charisse WilliamsSanta Ana, CA 927051851655013
  34. Charles WilliamsLong Beach, CA 908041437402872
  35. Charles Williams, C.A.S. IIMurrieta, CA 925621114054509
  36. Chase WilliamsNewport Beach, CA 926601275339806
  37. Cheryl WilliamsVacaville, CA 956881427341031
  38. Christin WilliamsEscondido, CA 920261417423732
  39. Christina Williams, AOD COUNSELINGElk Grove, CA 956241760350870
  40. Christine Williams, MA, CADA II, ICADCSan Diego, CA 921141588134928
  41. Christopher WilliamsLos Angeles, CA 900441134436009
  42. Chrystal Williams, RADT 1Escondido, CA 920251063039295
  43. Coltia WilliamsCovina, CA 917231336905439
  44. Connie WilliamsEl Cajon, CA 920191225213622
  45. Craig WilliamsSan Francisco, CA 941171669680724
  46. Curtis WilliamsLos Angeles, CA 900161447478508
  47. Cynthia WilliamsFresno, CA 937111952729881
  48. Dalissa WilliamsPomona, CA 917671609369834
  49. Dane Williams, CADC CASRiverside, CA 925011780130195
  50. Danita WilliamsBloomington, CA 923161629945175

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.