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 23 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. Tryphena ArthurMurrieta, CA 925621013462100
  2. Jessica ArtilesSan Bruno, CA 940661720579626
  3. Lydia Artimez, SUDCCEscondido, CA 920251225665375
  4. Artem Arutyunyan, SUDCCSanta Maria, CA 934541073370912
  5. Dolores ArvisoSan Pedro, CA 907311225918030
  6. Tina ArwandaNorth Hollywood, CA 916011831942648
  7. Beverly AryYucca Valley, CA 922841265641377
  8. Mary Ary, CASSYucca Valley, CA 922841023415908
  9. Christopher ArzagaSan Diego, CA 921021265047286
  10. Sophia ArzamastsevLos Angeles, CA 900061801722939
  11. Fidencio ArzateGarden Grove, CA 928401780533323
  12. Maria ArzolaLynwood, CA 902621275194029
  13. Nathan AsaNeedles, CA 923631750089066
  14. Mona Asadi, RADTWoodland Hills, CA 913671275308546
  15. Michelle Asai, CADC ISanta Ana, CA 927071467131714
  16. Heather AsayAuburn, CA 956031245000322
  17. Gale AsburyFresno, CA 937061679004071
  18. Keith AscencioHuntington Park, CA 902551568822062
  19. Frank AsencioColton, CA 923241184546699
  20. Christopher AshKing City, CA 939301598310518
  21. Judith AshOrange, CA 928681548780141
  22. Lauren Ash-Donoho, CADTP#8785San Diego, CA 921031811461320
  23. Steve AshbelVan Nuys, CA 914111649498791
  24. Graham AshbySanta Barbara, CA 931101063985745
  25. Ian Ashby, CADC IISanta Ana, CA 927031447740501
  26. Linda AshbyBakersfield, CA 933131528187184
  27. Zeena AshbyLong Beach, CA 908041649772286
  28. Kari AshcroftSan Pedro, CA 907311609612985
  29. Chipo AsheSacramento, CA 958231073167672
  30. Emily Asher, RACFairfield, CA 945331538828405
  31. Karen AsherNewark, CA 945601457601510
  32. Brooke AshfordLos Angeles, CA 900081295943058
  33. Jennifer AshfordLos Angeles, CA 900081700019973
  34. Kasara AshfordOakland, CA 946121952599847
  35. Perez AshfordMenlo Park, CA 940251073471314
  36. Abigail Ashley, RADTVan Nuys, CA 914111780414698
  37. Angelica Ashley, LVNOxnard, CA 930331831465137
  38. Natasha AshleyCompton, CA 902211730407099
  39. Shanan AshleyLong Beach, CA 908061689349813
  40. Sharon AshleySacramento, CA 958381003909862
  41. Ronald AshlockTurlock, CA 953821962534271
  42. Nazia AshrafUpland, CA 917841194569541
  43. Jacqueline Ashton, BHS LLLPalm Desert, CA 922111215308317
  44. Timothy AshtonDesert Hot Springs, CA 922411376223198
  45. Hayden Ashworth, RDAT-1Pasadena, CA 911091679967228
  46. William Ashworth, RADTSacramento, CA 958261558898791
  47. Mikayla AskGlendora, CA 917401518707397
  48. Desiree Askew, RASIClearlake, CA 954221982852224
  49. Anita AslanianSun Valley, CA 913521346613783
  50. Gina AssarBerkeley, CA 947031770422693

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.