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 21 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. Nancy AriasLos Angeles, CA 900571093976979
  2. Nicole AriasVan Nuys, CA 914051447587977
  3. Phillip AriasPomona, CA 917681538713896
  4. Richard AriasSanta Ana, CA 927011861970535
  5. Vincent Arias, AMFTRialto, CA 923761073121059
  6. Veronica Arieas, MA/ PPSFresno, CA 937201922437854
  7. William Arietta, RADT1Sacramento, CA 958251508742081
  8. Galilea AristizabalLos Angeles, CA 900131972476851
  9. Ramona AristoLos Angeles, CA 900441710404207
  10. Heather ArizaChico, CA 959261033924014
  11. Emily ArizuSanta Rosa, CA 954051821667791
  12. Allison Arkfeld, B.S., M.F.T. TRAINEESan Pedro, CA 907311023565256
  13. Carl ArlineLos Angeles, CA 900041982284659
  14. Dana ArlingtonRiverside, CA 925041417457151
  15. Jennifer ArlonLong Beach, CA 908041447634365
  16. Melissa Marie ArmadaModesto, CA 953501306511795
  17. Fernando ArmasWestlake Village, CA 913621437379013
  18. Lenes ArmelinPasadena, CA 911031467116202
  19. Rosie ArmendarizSan Luis Obispo, CA 934011306218078
  20. Carlos ArmentaPico Rivera, CA 906601841444676
  21. Dolores ArmentaCulver City, CA 902301609524610
  22. Hannah ArmerSanta Barbara, CA 931011730831256
  23. David ArmientaSanta Fe Springs, CA 906701508535683
  24. Angela ArmijoLos Angeles, CA 900571598238974
  25. Tina ArmouldSanta Rosa, CA 954051568659050
  26. Sarah Armour, RADT-1Big Bear Lake, CA 923151528549649
  27. Susan ArmourCanoga Park, CA 913041275963811
  28. Maurita ArmsteadInglewood, CA 903011033455944
  29. Pumeza ArmsteadSacramento, CA 958231063744860
  30. Yanira ArmsterBerkeley, CA 947041033577721
  31. Akia ArmstrongOakland, CA 946011487432555
  32. Alice ArmstrongSacramento, CA 958411487019048
  33. Ann ArmstrongSan Leandro, CA 945781528269420
  34. Betty Armstrong, RRWYuba City, CA 959911861517591
  35. Ceedral ArmstrongSan Francisco, CA 941031669680807
  36. Chad Armstrong, SUDCCSacramento, CA 958251083114706
  37. Chelsie Armstrong, CADC IIRancho Cordova, CA 956701205622875
  38. Jacqueline ArmstrongRoseville, CA 956611427449743
  39. James ArmstrongFresno, CA 937101740001585
  40. Jeannie ArmstrongSanta Rosa, CA 954091851720627
  41. Marsha ArmstrongBeverly Hills, CA 902111730358540
  42. Pamela ArmstrongSouth Lake Tahoe, CA 961501508153834
  43. Steven ArmstrongStockton, CA 952031346675238
  44. Ramona Arne, SUDPEureka, CA 955011093356982
  45. Lisa ArneggerFremont, CA 945381811473689
  46. Russel Arnett, CADC-II, ICADCSan Jacinto, CA 925821508105461
  47. Casey ArnetteRancho Cordova, CA 956701093552069
  48. Donald Arney, RASModesto, CA 953511558489229
  49. Cassandra Arnold, CADCIISan Diego, CA 921131134683337
  50. Dean ArnoldMarysville, CA 959011164967709

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.