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 285 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. Nathaniel LittleCosta Mesa, CA 926271023978814
  2. Sherrie LittleBakersfield, CA 933011487279436
  3. Tonica LittleFresno, CA 937061760734453
  4. Tyone LittleOakland, CA 946031649457466
  5. William LittleSan Mateo, CA 944031619303146
  6. Irene Littlejohn, R1298560318San Francisco, CA 941241881186823
  7. Tifany Littlejohn, CADC IIICeres, CA 953071881236024
  8. George LittletonBakersfield, CA 933081639204548
  9. Kacia Littleton, SUDRCIRedding, CA 960011467389387
  10. Trina Littleton, CASSan Diego, CA 921111730354838
  11. Davina LittonEscondido, CA 920251902755101
  12. Jill LitvakSanta Ana, CA 927041821721341
  13. Jade Liu, RADTSacramento, CA 958261417543364
  14. Lauren LiuzziCamino, CA 957091801502067
  15. Daniel LivekLaguna Hills, CA 926531992662753
  16. Kathryn LivermanColton, CA 923241588829253
  17. Kate Livingood, LAADAC, CADC-IIHuntingtn Bch, CA 926471124598644
  18. Tina LivingsPasadena, CA 911031457826687
  19. Cindy LivingstonBakersfield, CA 933051265862346
  20. Ian Livingston, APCCGrass Valley, CA 959451225407919
  21. Justin LiwanagSan Francisco, CA 941171689166548
  22. Gery LiwerantEl Cajon, CA 920201588929772
  23. Karen Lizaola RiveraWest Covina, CA 917911235787128
  24. Marlene LizardeSan Rafael, CA 949011598580177
  25. Andrea LizarragaEl Cajon, CA 920201538827407
  26. Christy LizarragaLemon Grove, CA 919451720635576
  27. Claudia LizarragaLos Angeles, CA 900171538300546
  28. David LizarragaSylmar, CA 913421366629818
  29. Haydee LizarragaInglewood, CA 903011912145905
  30. Nathan LizarragaKing City, CA 939301437725173
  31. Omar LizarragaPasadena, CA 911041316325459
  32. Patricia LizarragaEl Monte, CA 917311073389797
  33. Sergio Lizarraga, COUNSELORLos Angeles, CA 900221306282934
  34. Anthony LlamasLong Beach, CA 908071639450554
  35. Elizabeth LlamasSignal Hill, CA 907551952275265
  36. Isis LlamasVisalia, CA 932771407738628
  37. Jamie LlamasPasadena, CA 911031396322384
  38. Michael LlamasFresno, CA 937061700351624
  39. Natasha Llamas, SUDRCMarysville, CA 959011811876766
  40. Erika LlanosHawaiian Gardens, CA 907161174316798
  41. Christopher LloydLos Angeles, CA 900331306260435
  42. Christopher Lloyd, SUDRCClayton, CA 945171891497939
  43. Dominique LloydLos Angeles, CA 900571467019216
  44. Jamie Lloyd, CADC IISonora, CA 953701073378592
  45. Jasmine LloydLemon Grove, CA 919451316529571
  46. Jennifer Lloyd, RADTCarson, CA 908101023533049
  47. Matthew Lloyd, SUDRCSacramento, CA 958411891378022
  48. Lawrence Lo, REG COUNSELORStockton, CA 952021770122384
  49. Maydy LoSacramento, CA 958231235503251
  50. Nicholas LoStockton, CA 952121801347778

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.