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 83 of 555.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 101YA0400X · method

Los Angeles has the most, 2,101

Addiction (Substance Use Disorder) Counselor records in California

  1. Ryan CastrejonSan Diego, CA 921021235998691
  2. Adreanne CastroOrange, CA 928681124869011
  3. Adriana Castro, RAC #25194El Monte, CA 917311114868353
  4. Adriana Castro, RADT-1Oceanside, CA 920541093475725
  5. Adrienne CastroFresno, CA 937201245633924
  6. Amanda Castro, R1444050921Inglewood, CA 903051669134755
  7. Angelica CastroSanta Ana, CA 927071760133185
  8. Beatriz CastroLemon Grove, CA 919451053521906
  9. Christie Castro, CADCSan Luis Obispo, CA 934011427669787
  10. Christopher CastroCosta Mesa, CA 926271255126363
  11. Crystal CastroSalinas, CA 939011295402824
  12. Daniel CastroHayward, CA 945441396087128
  13. Delores Castro, RADTDesert Hot Springs, CA 922401568304012
  14. Efren CastroPomona, CA 917671235319922
  15. Elizabeth CastroLos Angeles, CA 900441205018702
  16. Emmanuel CastroPhillips Ranch, CA 917661215271085
  17. Erica Castro, LVNLos Angeles, CA 900221356631378
  18. Francisco CastroLong Beach, CA 908041760107494
  19. Francisco Castro, SUBSTANCE ABUSE COUNBakersfield, CA 933071073732020
  20. Frank CastroBerkeley, CA 947041770039794
  21. George CastroStockton, CA 952021457402059
  22. Geris CastroLos Angeles, CA 900291407717812
  23. Grecia CastroSan Rafael, CA 949031942892732
  24. Holly Castro, CDAC CASCitrus Heights, CA 956211790225480
  25. Jake CastroEl Cajon, CA 920201710676689
  26. Jennifer Castro, CADC-IAntioch, CA 945091235891177
  27. Jesus Castro, CCAPP C053520518Chula Vista, CA 919111598207573
  28. Jorge Castro, SUD COUNSELORLancaster, CA 935341508689720
  29. Jose CastroPasadena, CA 911031033072640
  30. Juan Castro, CDCValencia, CA 913551649506429
  31. Karina CastroInglewood, CA 903011811672546
  32. Klarissa CastroTarzana, CA 913561992936686
  33. Leanna CastroSalinas, CA 939011922785013
  34. Linda CastroCeres, CA 953071649016932
  35. Maria CastroBell Gardens, CA 902011972702934
  36. Melissa CastroSanta Ana, CA 927011558937524
  37. Napoleon CastroLos Angeles, CA 900331740098581
  38. Phillip CastroFrench Camp, CA 952311912823923
  39. Rebecca CastroLos Angeles, CA 900591679279624
  40. Rosa CastroFresno, CA 937281467914911
  41. Rose CastroRiverside, CA 925071851434864
  42. Ruben CastroSan Bruno, CA 940661487242350
  43. Ruth CastroEscondido, CA 920251306680806
  44. Sandra CastroLemon Grove, CA 919451457138851
  45. Sarai CastroWhittier, CA 906041306119581
  46. Virginia CastroFresno, CA 937271972341139
  47. Yamilet CastroFowler, CA 936251023829165
  48. Rachel Castro OrellanaFowler, CA 936251750247243
  49. Suzanne Castro-DiazCovina, CA 917231477314995
  50. Jodi CastruitaLancaster, CA 935341801377486

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.