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 418 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 RichardsonRiverside, CA 925031609620665
  2. Sandra RichardsonHemet, CA 925431417079443
  3. Starla RichardsonSacramento, CA 958381710686027
  4. Sunceree RichardsonSan Diego, CA 921101154965176
  5. Tonnette Richardson, MACP/MFTIOntario, CA 917621598005605
  6. Leticia RichcreekRedding, CA 960021063012854
  7. Christine Richer, RASPico Rivera, CA 906601063837227
  8. Reuben RicherFair Oaks, CA 956281962688408
  9. Noah RichertSanta Cruz, CA 950601689225484
  10. Marlin Dale Richey, CADCII, ICADCSan Marcos, CA 920691013685510
  11. Xavier RicheyEl Cajon, CA 920201235945171
  12. Robert Richie, RADTSan Francisco, CA 941031952003444
  13. Virginia RichieLancaster, CA 935341417549494
  14. Ashley Richmond, LAADC CACosta Mesa, CA 926271821331497
  15. Donald Richmond, RASLoomis, CA 956501851595938
  16. Va-Shaun Richmond, CADC IVictorville, CA 923921508575408
  17. Amanda RickardSacramento, CA 958271063748077
  18. Kathleen RickardSanta Ana, CA 927031689457186
  19. Rachelle RickenOroville, CA 959651417576943
  20. Joyce RickenbrodeVallejo, CA 945901063828705
  21. Alyssa RickertSanta Barbara, CA 931101992165484
  22. Andrea RickertRancho Mirage, CA 922701851048482
  23. Robert RickettUkiah, CA 954821134335664
  24. Betty RicksSan Francisco, CA 941101659419844
  25. Brandon RicksFresno, CA 937111194065284
  26. Shikola RicksFresno, CA 937101083885438
  27. Alexis RicoFowler, CA 936251972399640
  28. Cindy RicoSan Bernardino, CA 924101922938372
  29. Danielle RicoHanford, CA 932301285004150
  30. Dinera RicoCamarillo, CA 930101245983766
  31. Eileen RicoSherman Oaks, CA 914031568088052
  32. Ernesto RicoChula Vista, CA 919111922947027
  33. Ethan Rico, SUDRC, 14223Stockton, CA 952051659089902
  34. Julie Rico, RADT-1Bakersfield, CA 933071922682012
  35. Krystal Rico, RADT-I BTLaguna Hills, CA 926531538913827
  36. Manuel RicoHayward, CA 945441912280819
  37. Maria Rico, CADTP REGISTEREDSanta Rosa, CA 954031235547217
  38. Michelle RicoSacramento, CA 958411396051025
  39. Philip Rico, BASan Francisco, CA 941031770790263
  40. Tony RicoLemon Grove, CA 919451851991087
  41. Basilio Rico SerranoHayward, CA 945451972325371
  42. Adriana Ricoy, SUDCR19667Covina, CA 917231477433464
  43. Tamara RiddleNewark, CA 945601992037808
  44. Thomas Riddle, CADC IINevada City, CA 959591922124361
  45. Cynthia Rideout, AODLos Angeles, CA 900571457728222
  46. Leron RideoutSacramento, CA 958231326712878
  47. Bridget RidgelPasadena, CA 911071033451653
  48. Amanda Ridgeway, CATCSacramento, CA 958261811388069
  49. Matthew RidgwaySanta Rosa, CA 954031891245429
  50. Amy Ridling, CADTPSanta Rosa, CA 954041851947808

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.