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 420 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. Arthur Rios, SUDRCSouth Gate, CA 902801639924152
  2. Brittney RiosHawthorne, CA 902501700739968
  3. Carmen RiosIndio, CA 922011326525387
  4. Dafne RiosLos Angeles, CA 900221346036159
  5. Elsa RiosLos Angeles, CA 900221821216516
  6. Frank Rios, CADC 2Upland, CA 917861689007767
  7. Guadalupe RiosLos Angeles, CA 900341356045751
  8. Jennifer RiosSanta Fe Springs, CA 906701649885369
  9. John RiosCanoga Park, CA 913031649491754
  10. Margarito RiosNorth Hollywood, CA 916011427543115
  11. Maria RiosVisalia, CA 932771104713643
  12. Maria Rios, RADTSan Francisco, CA 941031871101469
  13. Mario RiosEl Centro, CA 922431043680861
  14. Miriam Rios, RASSoledad, CA 939601528621091
  15. Phillip RiosLos Angeles, CA 900171104071547
  16. Richard RiosVisalia, CA 932911104650936
  17. Stephanie RiosSanta Fe Springs, CA 906701780094144
  18. Rigoberto Rios Ramos, SUD COUNSELORHawthorne, CA 902501669287827
  19. Stacey Rios SandovalCeres, CA 953071770261588
  20. Viviana Rios VillalobosLos Alamitos, CA 907201174158075
  21. Brian Rioux, CADC-IIFair Oaks, CA 956281518248228
  22. Meghan Ripley, RADTSan Diego, CA 921021861974859
  23. Henry RippereSalinas, CA 939011033657473
  24. Jahmil Rippy, SUDRC #18014Eureka, CA 955011710732102
  25. Joseph Risi, SUDRCSantee, CA 920711548078603
  26. Raina RisingerSacramento, CA 958311174771158
  27. Eric RiskeDowney, CA 902411821750621
  28. Jerry RistichEl Monte, CA 917321760207534
  29. Kenneth RitchEl Cajon, CA 920201457819666
  30. Raymond Ritch, SUDCCSan Diego, CA 921101548894512
  31. Cathy RitchieLemon Grove, CA 919451194379982
  32. Mathew RitchieSan Rafael, CA 949031083429047
  33. Ria RitkaSanta Rosa, CA 954091447564794
  34. Korine RitterOakland, CA 946091902383524
  35. Brian Ritzler, FACTRoseville, CA 956611417151028
  36. Kristine RivaClaremont, CA 917111073310785
  37. Alex RivasLancaster, CA 935341144490699
  38. Alyssa RivasPanorama City, CA 914021275193716
  39. Benny RivasPomona, CA 917681609049493
  40. Carol RivasFresno, CA 937281023282720
  41. Cesar RivasLos Angeles, CA 900291508755596
  42. Claudia RivasLemon Grove, CA 919451083179733
  43. Daniel Rivas, MFTModesto, CA 953501760836795
  44. Douglas RivasConcord, CA 945201215663836
  45. Elsa RivasTarzana, CA 913561508447640
  46. Erika RivasLos Angeles, CA 900291417762154
  47. Erika RivasWhittier, CA 906041982064499
  48. Frank RivasSan Bernardino, CA 924101356711402
  49. Giselle RivasLong Beach, CA 908051346970720
  50. Guillermo RivasLong Beach, CA 908131578755401

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.