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 120 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. Rudolpho De La O, RASSanta Rosa, CA 954031568695245
  2. Claudia De La Ossa, AODFairfield, CA 945331477433290
  3. Marci De La PenaRedding, CA 960021790354892
  4. Abigail De La RosaSan Diego, CA 921101588428254
  5. Adilene De La RosaBaldwin Park, CA 917061629661905
  6. Christina De La RosaBerkeley, CA 947041487113064
  7. Cynthia De La Rosa, MASan Diego, CA 921111275168023
  8. Edward De La RosaMontebello, CA 906401619803491
  9. Juan De La RosaBakersfield, CA 933011093400137
  10. Mercedes De La RosaEl Cajon, CA 920201528759115
  11. Stephanie De La RosaSan Diego, CA 921541083816524
  12. Anna De La TorreEl Centro, CA 922431508491366
  13. Arthur De La TorreBakersfield, CA 933011851946024
  14. Claudia De La TorreWilmington, CA 907441962814913
  15. Elizabeth De La TorreRialto, CA 923761588898324
  16. John De La TorreHawthorne, CA 902501750753430
  17. Mia De La TorreMontebello, CA 906401679943732
  18. Nicole De La Torre, AA-T, RADT1El Monte, CA 917321043831951
  19. Romulo De La TorrePasadena, CA 911031134072127
  20. Ruth De Larios, RUTH DE LARIOSAvenal, CA 932041457688111
  21. Fatima De LeonEl Cajon, CA 920201689287005
  22. George De LeonPomona, CA 917671356216675
  23. Maria Esther De LeonEl Centro, CA 922431194658633
  24. Michael De LeonLemoore, CA 932451750939393
  25. Prisila De LeonWest Covina, CA 917911548921935
  26. Stephanie De LeonLos Angeles, CA 900061992453328
  27. Yoselin De Leon-LazoPacoima, CA 913311477342376
  28. Jenny De LoeraVenice, CA 902911780266320
  29. Lanecia De LoeraNapa, CA 945581912397449
  30. Tammi De Long, AODStockton, CA 952041972150514
  31. Elaine De MayoStanton, CA 906801134307432
  32. Jacqueline De OcaRancho Cucamonga, CA 917391639004245
  33. Desiree De PalmaChico, CA 959261790253987
  34. Stacey De PeraltaSimi Valley, CA 930651932056520
  35. Brandon De SantiagoPasadena, CA 911031740984095
  36. Megan De SantisSanta Clarita, CA 913501548813488
  37. Tamara De Santo, CADC-IIFremont, CA 945361699335158
  38. Elaine De Simone, RAS,CSCLos Angeles, CA 900171174894182
  39. Robert De Stefano, CASCeres, CA 953071386846632
  40. Najee De Tiege-DaiglePasadena, CA 911031316747140
  41. Joseph De VeraSan Diego, CA 921231013835412
  42. Selina De-LeonLos Angeles, CA 900221023394467
  43. Brandy DealAuburn, CA 956021417491200
  44. Bryan Dean, SUDCCSan Rafael, CA 949031750121778
  45. Dana DeanCamino, CA 957091881064590
  46. Danielle DeanRancho Cucamonga, CA 917391265367239
  47. Demetra DeanRiverside, CA 925031760173363
  48. Donald DeanSanta Rosa, CA 954011720201882
  49. Jonathan Dean, BS, CASVista, CA 920831477732147
  50. Kristen DeanIndio, CA 922011336835859

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.