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 82 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. Anthony Castille, CAODCSan Diego, CA 921051255817045
  2. Naylli CastillejosLos Angeles, CA 900431972268191
  3. Aimee CastilloFresno, CA 937011598938698
  4. Alice Castillo, CADC IIBakersfield, CA 933091477677581
  5. Ambar CastilloFresno, CA 937271376781708
  6. Angela CastilloLos Angeles, CA 900291306602487
  7. Angelita CastilloFresno, CA 937271871707364
  8. Antonio CastilloChula Vista, CA 919111548921471
  9. Arturo CastilloRiverside, CA 925061437859816
  10. Ashley CastilloCeres, CA 953071275124307
  11. Benita CastilloVisalia, CA 932911205221082
  12. Chico Castillo, SUD COUNSELOR 2Stockton, CA 952051801724836
  13. Christine CastilloSan Bernardino, CA 924101508280264
  14. Cruz CastilloOceanside, CA 920541235862269
  15. Esther CastilloEl Centro, CA 922431407998875
  16. Evelina Castillo, AODFresno, CA 937061841939956
  17. Evelyn CastilloSanta Fe Springs, CA 906701205794906
  18. Grace CastilloVisalia, CA 932771760092811
  19. Irene CastilloSan Francisco, CA 941071346449170
  20. Jacqueline CastilloLong Beach, CA 908071073865507
  21. Jeannette CastilloLynwood, CA 902621790011872
  22. Jessica CastilloLancaster, CA 935341275478224
  23. Jorge CastilloModesto, CA 953541871793323
  24. Joseph Castillo, RADTWalnut Creek, CA 945981417666991
  25. Juan CastilloFowler, CA 936251003097817
  26. Julia CastilloOakland, CA 946021225210313
  27. Junette CastilloLong Beach, CA 908071265744296
  28. Lindsay Castillo, B.ASan Francisco, CA 941241487903738
  29. Maribel CastilloSacramento, CA 958251639411531
  30. Martha CastilloVista, CA 920811366630337
  31. Melissa CastilloFresno, CA 937211639949829
  32. Michelle Castillo, CADC IILong Beach, CA 908051881407146
  33. Raymond CastilloChula Vista, CA 919111386528065
  34. Raymond CastilloEl Cajon, CA 920201427414598
  35. Robert Castillo, B.ALos Angeles, CA 900221346476587
  36. Sergio CastilloColton, CA 923241477863561
  37. Sidia CastilloOakland, CA 946011962029488
  38. Steven CastilloLos Alamitos, CA 907201467917245
  39. Susana CastilloSan Bernardino, CA 924101912377763
  40. Teresa Castillo, CAAR CERTIFIEDCalexico, CA 922311841477601
  41. Vivian CastilloLancaster, CA 935341255864765
  42. Zoraya CastilloColton, CA 923241326605544
  43. Cynthia Castillon, CADAC II - CASan Diego, CA 921101265772800
  44. Zoei CastillonCosta Mesa, CA 926261285474981
  45. Abram Castilloperez, RACEl Monte, CA 917321649138421
  46. Michael CastleLos Angeles, CA 900341932028826
  47. Robert CastleFountain Valley, CA 927081821981945
  48. Shantaylah Castner, SUDRCLakeport, CA 954531023696119
  49. Vicky CastorenaFullerton, CA 928321154883155
  50. Rocio CastrejonChico, CA 959261326746744

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.