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 81 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. Mia CasinoSanta Barbara, CA 931011730818956
  2. Alexandria CaskieSan Pedro, CA 907311407284789
  3. Katelin CasnerPasadena, CA 911031588206734
  4. Debra Cason, CCAPPBakersfield, CA 933011336278837
  5. Wendy CasonBakersfield, CA 933011407513237
  6. Aenora CasperTruckee, CA 961611063037562
  7. Barry CassLivermore, CA 945511457635005
  8. Nia Casselman, A049120218 CCAPPVictorville, CA 923921235504762
  9. Erin CassidySan Leandro, CA 945781619269917
  10. Kelly CassidyVentura, CA 930011861797615
  11. Torrey CassimusBerkeley, CA 947031124866058
  12. Clarice Cassinelli-HughettRedding, CA 960011194656249
  13. Kelly Casson, CATCSan Carlos, CA 940701558642561
  14. Albert Castaneda, FACTBakersfield, CA 933071962677591
  15. Alyce CastanedaBakersfield, CA 933011811325657
  16. Arcelia CastanedaLong Beach, CA 908131184835878
  17. Clemente CastanedaIrvine, CA 926181336232032
  18. Cresencio Castaneda, SUDCMerced, CA 953411710645312
  19. Eduardo CastanedaCeres, CA 953071194589960
  20. Iririan Castaneda, RADTGalt, CA 956321427783000
  21. Jonathan CastanedaLos Angeles, CA 900031639619885
  22. Kasandra CastanedaEscondido, CA 920261407525280
  23. Lena CastanedaSanta Barbara, CA 931011588239743
  24. Martha Castaneda, CATCCamarillo, CA 930101467606335
  25. Nancy CastanedaAnaheim, CA 928011720803992
  26. Sage CastanedaPomona, CA 917671588488969
  27. Sara Castaneda, RACVisalia, CA 932921548120785
  28. Stephanie CastanedaRiverside, CA 925041780025734
  29. Trinidad CastanedaFresno, CA 937061588923015
  30. Xavier CastanedaCamino, CA 957091659190270
  31. Angela Castellano, SUDCCIIGarden Grove, CA 928411174363642
  32. Phillip CastellanoLos Angeles, CA 900291023520400
  33. Veronica CastellanoRiverside, CA 925011588351654
  34. Alejandro CastellanosLemoore, CA 932451053884627
  35. Alfredo CastellanosLos Angeles, CA 900031588184188
  36. Angela CastellanosHanford, CA 932301922443977
  37. Carlos CastellanosSanta Fe Springs, CA 906701598490583
  38. Cristian CastellanosSan Francisco, CA 941101952966616
  39. Jorge CastellanosLos Angeles, CA 900291053163584
  40. Vincent Castellanos, RADTWoodland Hills, CA 913671063280204
  41. Cynthia Castellanos-Zepeda, LVNModesto, CA 953501528658366
  42. Violet CastellariSan Diego, CA 921101851410088
  43. Lillian CastellonVentura, CA 930011932654589
  44. Scarlett Castellon, SUDRC #13999Los Angeles, CA 900591447074679
  45. Stephanie CastellonLos Angeles, CA 900561821387168
  46. Jose Castellon LopezEl Cajon, CA 920201669177705
  47. Pauline Castellon-Swinehart, RADT 1Bakersfield, CA 933011114430543
  48. Angelina Castelo, RADTPomona, CA 917671356815476
  49. Michael CasterLong Beach, CA 908131215822481
  50. Sarah CastileNorth Hollywood, CA 916011124839113

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.