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 419 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. Victoria RiebeCanoga Park, CA 913031528586864
  2. Katie RiechersFremont, CA 945361154518728
  3. Gina Riedl, LPTAntelope, CA 958431013095843
  4. Robert Riedl, PHD.,M- R.A.S., MCAOxnard, CA 930331164500021
  5. Aerin Riegelsberger, ASWSan Francisco, CA 941031659992766
  6. Johnathan Riehlman, CADC-IISan Diego, CA 921021689262032
  7. Wal RiekRedding, CA 960021447906557
  8. Vida RieschnerChico, CA 959261639642481
  9. Dylan Riese, RADT TRAINEE 1Dulzura, CA 919171174480685
  10. Brandon RigginsDanville, CA 945261619108685
  11. Rachel RiggioSanta Barbara, CA 931011205030079
  12. Julie RiggsGrass Valley, CA 959451497935852
  13. Martha Riggs, CADC IISan Diego, CA 921081548457070
  14. Shari Riggs, RRWAuburn, CA 956031679845382
  15. Dennis RightnarMerced, CA 953401760963268
  16. Harold RigsbyLos Angeles, CA 900571093353310
  17. Alonzo Riley, SUDRCImperial Beach, CA 919321396526364
  18. Catherine RileySacramento, CA 958171033358403
  19. Dale RileyLa Mesa, CA 919411881999423
  20. Justin RileyBakersfield, CA 933091740175959
  21. Kimberly RileySan Mateo, CA 944011588489439
  22. Lisa RileyLemon Grove, CA 919451871832857
  23. Luke RileyFremont, CA 945381619771029
  24. Matthew RileyNorth Hollywood, CA 916071932854155
  25. Merlenet RileyBerkeley, CA 947041497267967
  26. Michelle Riley, CADC - IINorth Hollywood, CA 916021245444934
  27. Rachel RileyEl Monte, CA 917311528576626
  28. William RileyEl Cajon, CA 920201720796691
  29. Tiffany Riley ArchuletaFresno, CA 937281487956017
  30. Kelleigh Riley WilliamsLos Angeles, CA 900571871224469
  31. Yolanda Riley-WinstonLos Angeles, CA 900151609274315
  32. Jo RimmerStockton, CA 952021316617541
  33. Thomas RimmerEl Cajon, CA 920201033418348
  34. Elizabeth Rincon, R1433030621San Jose, CA 951381093481020
  35. John Rincon, AOD COUNSELOREl Monte, CA 917321679984348
  36. Jose RinconCastro Valley, CA 945781982021051
  37. Raul RinconFresno, CA 937261326903691
  38. Robert RinconFresno, CA 937281265559793
  39. Deanna RinehartLos Angeles, CA 900211770073793
  40. Jenna RingSan Rafael, CA 949031912463332
  41. Harold RinggoldLos Angeles, CA 900161891278016
  42. Jamie Ringheimer, CAADESanta Rosa, CA 954031578774600
  43. Edward Ringl, CADCII, NCACIIRiverside, CA 925061396008967
  44. Sarah RinglerSanta Barbara, CA 931011790445211
  45. Lonnie RiningerLong Beach, CA 908131538389242
  46. Robin RiningerLong Beach, CA 908131619124112
  47. Alondra Rios, RADT R1578310924, BAAnaheim, CA 928011245044395
  48. Andrea RiosSan Pedro, CA 907311336963594
  49. Andrew RiosAtascadero, CA 934221083874804
  50. Antoinette RiosSan Francisco, CA 941031063965366

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.