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 94 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. Lisa ClarkPomona, CA 917671780191445
  2. Mary ClarkOrland, CA 959631740689397
  3. Matt ClarkLos Angeles, CA 900341710876966
  4. Matthew ClarkUpland, CA 917861538930045
  5. Michele Clark, CADC-IBloomington, CA 923161215303995
  6. Mona ClarkSylmar, CA 913421255577078
  7. Richard ClarkLos Angeles, CA 900151992968879
  8. Rodney Clark, RADTIRiverside, CA 925061932756970
  9. Roxanne Clark, CAARRCeres, CA 953071194845818
  10. Samuel ClarkOrange, CA 928681134631260
  11. Serenah ClarkPasadena, CA 911041275297491
  12. Sharif Clark, CATC-1 #177290Santa Monica, CA 904051942701776
  13. Sheila Clark, CATCLong Beach, CA 908021659895696
  14. Sheila Clark, SUDRCIIDesert Hot Springs, CA 922401497619639
  15. Sherri ClarkCulver City, CA 902301417785056
  16. Steven ClarkAntioch, CA 945091760227151
  17. Terence ClarkLancaster, CA 935341023775624
  18. Tiffany ClarkTrabuco Canyon, CA 926791336802271
  19. Tom ClarkLotus, CA 956331033674718
  20. Tori ClarkVictorville, CA 923951952767493
  21. Violet Clark, RAS-IBakersfield, CA 933071306200399
  22. Walter Clark, CATC IIRiverside, CA 925071811230980
  23. Kimberly Clark-HollowayHawthorne, CA 902501952827628
  24. Ian Clark-JohnsonSan Francisco, CA 941031114558160
  25. Bryan Clarke, RADTModesto, CA 953501740844240
  26. Christine ClarkeOrange, CA 928681639948144
  27. Heidi ClarkeRedding, CA 960021205402203
  28. Jennifer ClarkeTarzana, CA 913561497222947
  29. Kristi Clarke, PH.D.Fresno, CA 937261447473970
  30. Lillie ClarkeLos Angeles, CA 900111598400848
  31. Stacy-Ann Clarke, BHSCeres, CA 953071477857951
  32. Tonya ClarkeRedding, CA 960011770086605
  33. Michael ClaryHayward, CA 945451326221664
  34. Peter Claude, CATC 1Riverside, CA 925081730559873
  35. Kristina ClaudioVacaville, CA 956881033647961
  36. Joseph Claus, A.S. B.A.Santa Barbara, CA 931011255466439
  37. Patrice ClausellLos Angeles, CA 900371790808459
  38. Calliope Clauson, R1512130623Glendale, CA 912041861178329
  39. Trisha Clauson, RADT-1Morro Bay, CA 934421437936929
  40. Birgit Claussen, CATC-CAADE 051096Colton, CA 923241730213422
  41. Derrick ClaxtonSacramento, CA 958411679848402
  42. Limmy Claxton, CASAntioch, CA 945091588831119
  43. Sheila Claxton, COUNSELORSun Valley, CA 913521659599736
  44. Gayle ClaySanta Rosa, CA 954051023527629
  45. Iyanna ClayHayward, CA 945441942971460
  46. Robert ClayEscondido, CA 920251194310987
  47. Ruby ClaySanta Rosa, CA 954091265110837
  48. Shaneka Clay, SUD COUNSELORNapa, CA 945581447833439
  49. Brandon Clay-WilliamsSacramento, CA 958231548851041
  50. John ClayborneEl Cajon, CA 920201174821698

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.