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 288 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. Mary LooperStockton, CA 952061417175118
  2. Andrew LopasOakland, CA 946121134402852
  3. Robert LopatrielloSan Bernardino, CA 924011043567233
  4. Sandi LoperTarzana, CA 913561538648969
  5. Doreen Lopes, SUDD IGrass Valley, CA 959451467702860
  6. Teresa Lopes, A.A COUNSELINGCompton, CA 902201639460728
  7. Adriana LopezEl Monte, CA 917311205348455
  8. Adrianne Lopez, VOLUNTEER/INTERNBakersfield, CA 933011760096838
  9. Aileen LopezLos Angeles, CA 900361093514150
  10. Alba LopezSan Diego, CA 921111780804831
  11. Alex LopezGlendora, CA 917401689814782
  12. Alexis LopezFresno, CA 937221376254623
  13. Alfonso LopezPalmdale, CA 935501811518582
  14. Alfredo LopezSanta Fe Springs, CA 906701427930783
  15. Alvaro LopezPorterville, CA 932571831643022
  16. Alvin Lopez, RADTSan Francisco, CA 941031891532289
  17. Amanda LopezLos Alamitos, CA 907201518535723
  18. Amanda LopezRiverside, CA 925041184264830
  19. Amy Lopez, SUDRC IIILancaster, CA 935341255178679
  20. Andrew LopezEl Cajon, CA 920201780350652
  21. Angelica LopezVisalia, CA 932771124839766
  22. Anita Lopez, CAADE REGISTRATIONFontana, CA 923361811020159
  23. Anthony LopezOakland, CA 946031871961391
  24. Antoinette LopezFresno, CA 937011326829763
  25. Argenis Lopez, RADT 1Visalia, CA 932911225629546
  26. Arleen LopezSacramento, CA 958231457995581
  27. Arlena Lopez, RADT-IEl Monte, CA 917321972375335
  28. Arlene LopezIndio, CA 922011760839690
  29. Arnold Lopez, SUBSTANCE ABUSECoachella, CA 922361467741389
  30. Arsenio LopezFresno, CA 937261164760633
  31. Ashley Lopez, RADTVictorville, CA 923951720766686
  32. Aurelio LopezFresno, CA 937111538525613
  33. Aurora LopezEscondido, CA 920251760029102
  34. Berenice LopezBakersfield, CA 933011376081265
  35. Bernadino LopezMontebello, CA 906401629448774
  36. Brian LopezCompton, CA 902211124531009
  37. Candy Lopez, AII057870518Santa Paula, CA 930601902622517
  38. Carlos LopezLos Angeles, CA 900431669775052
  39. Carolina LopezHollister, CA 950231295444842
  40. Celeste LopezSanta Cruz, CA 950621548041056
  41. Celina LopezDowney, CA 902411851986186
  42. Christian LopezSanta Fe Springs, CA 906701477281343
  43. Christina LopezSanta Ana, CA 927061477806479
  44. Cindi LopezOxnard, CA 930301093136889
  45. Cinthia LopezSylmar, CA 913421447401906
  46. Citlalic LopezLos Angeles, CA 900171922616457
  47. Clarissa LopezNational City, CA 919501275188195
  48. Claudia Lopez, CADCIICorona, CA 928821992050421
  49. Corinna Lopez, RASLynwood, CA 902621114254471
  50. Daisy LopezSan Jose, CA 951221376025254

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.