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 87 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. Dixie ChallesPalm Springs, CA 922621689856031
  2. Elden Chalmers, M.F.TDanville, CA 945061134487077
  3. Cindy ChamberlainEl Cajon, CA 920201386562874
  4. Tracy Chamberlain, CADC II-CALaguna Hills, CA 926531912573536
  5. Kendall ChamberlinBakersfield, CA 933011396479838
  6. Aunjanay ChambersRiverside, CA 925031992487318
  7. James ChambersNorth Hollywood, CA 916011750979357
  8. Patricia ChambersInglewood, CA 903031336367283
  9. Rachel ChambersOntario, CA 917621386160075
  10. Randolph ChambersEast Palo Alto, CA 943031336463397
  11. Tashawna ChambersLos Angeles, CA 900441811606544
  12. Noland ChamblissOakland, CA 946101417671124
  13. Jairo ChamorroColton, CA 923241033460548
  14. Jainee ChampaAnaheim, CA 928051487007977
  15. Angel ChampagneLancaster, CA 935341447832399
  16. Gabriel Champagne, SUDCC IIIOceanside, CA 920561497480321
  17. Pamela ChampeCarmichael, CA 956081720226947
  18. Wanda ChampionSan Francisco, CA 941021609074285
  19. Brendolynn ChamplaieSacramento, CA 958231760952469
  20. Cescily ChanCulver City, CA 902321568867406
  21. Jerry ChanSan Bernardino, CA 924041013796069
  22. Jimmy ChanSan Francisco, CA 941031740071745
  23. Ka Kei ChanTarzana, CA 913561669194098
  24. Kathleen ChanAntioch, CA 945091417255845
  25. Lucas ChanOrange, CA 928681578298949
  26. Jothi ChandTarzana, CA 913561255094785
  27. Neil ChandSan Jose, CA 951311932978822
  28. Sneh ChandSacramento, CA 958231851984926
  29. Phayloth ChandavongSacramento, CA 958231669729281
  30. Darlene ChandlerSanta Barbara, CA 931011144572058
  31. Kevin ChandlerOntario, CA 917611326399510
  32. Sherry ChandlerWeaverville, CA 960931215172416
  33. Crystal ChandraHayward, CA 945451144013921
  34. Lorena ChangOntario, CA 917621215371703
  35. Mai Chang, CADTP 14670Fresno, CA 937061255039665
  36. Yee ChangChico, CA 959261841672045
  37. Vanntha ChannBakersfield, CA 933071114442894
  38. Lidia ChanonLos Angeles, CA 900291790483204
  39. Sychanh ChanthabourySacramento, CA 958231356656524
  40. Somsay ChanthavongsorSanta Maria, CA 934541750058343
  41. Francoise ChaoSacramento, CA 958331831277284
  42. Nickey ChaoOakland, CA 946061568815975
  43. Matthew ChapinSan Pedro, CA 907311598447682
  44. Heather ChaplarRed Bluff, CA 960801295617397
  45. Alex Chapman, REGISTERED AOD COUNSSan Diego, CA 921081982178679
  46. Amy ChapmanVista, CA 920831245969989
  47. Cathleen Chapman, CADC 1Modesto, CA 953581659181444
  48. Donna Chapman, RADCSan Rafael, CA 949011245952993
  49. Jaime ChapmanSanta Rosa, CA 954091104696038
  50. Kelly ChapmanNorth Hollywood, CA 916011952295032

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.