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 497 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. Kayla Thompson, RADT-1Oceanside, CA 920541831812262
  2. Kayla ThompsonRedding, CA 960021679320493
  3. Kelly Thompson, CAARRClovis, CA 936111386867729
  4. Kevin ThompsonEscondido, CA 920251003042789
  5. Kuwanna ThompsonLong Beach, CA 908061841537123
  6. Legger Thompson, 17131 EXP 1-10-25Fresno, CA 937021629639844
  7. Linda ThompsonVentura, CA 930011891240446
  8. Lisa ThompsonHemet, CA 925431003302779
  9. Lori ThompsonWoodland, CA 956951700274875
  10. Lucy ThompsonWoodland Hills, CA 913671285233304
  11. Mancy ThompsonLemon Grove, CA 919451093275976
  12. Melissa ThompsonTaft, CA 932681629756317
  13. Melissa ThompsonSutter Creek, CA 956851336769629
  14. Michael ThompsonUpland, CA 917861033741624
  15. Michael ThompsonBerkeley, CA 947021699267302
  16. Michael Thompson, CASSan Pablo, CA 948061942418231
  17. Michael ThompsonChico, CA 959261932960432
  18. Nicholas Thompson, RADT ISan Jose, CA 951311831692722
  19. Paige Thompson, CADC-IIWest Covina, CA 917911174924567
  20. Patrick Thompson, AODSChula Vista, CA 919101487242004
  21. Paula ThompsonSan Bernardino, CA 924101043634710
  22. Quanisha ThompsonLos Angeles, CA 900471720391386
  23. Randy ThompsonWoodland Hills, CA 913641134326127
  24. Richard Thompson, RADTVentura, CA 930011427846732
  25. Robbie Thompson, CADC-II CAVisalia, CA 932911366987646
  26. Robert ThompsonModesto, CA 953511053882183
  27. Ronald Thompson, SUDRC 15413Stockton, CA 952051912680505
  28. Sarah ThompsonLemon Grove, CA 919451336825892
  29. Shirley ThompsonManteca, CA 953371528424470
  30. Sunceree Thompson, SUDCRSan Francisco, CA 941031669105508
  31. Taifa ThompsonSacramento, CA 958271740726132
  32. Tamara ThompsonLaguna Hills, CA 926531376053132
  33. Tina ThompsonUkiah, CA 954821649683921
  34. Tonya ThompsonModesto, CA 953581316301880
  35. Veronica Thompson Corona, RADTTehachapi, CA 935611497499586
  36. Virginia Thompson-Simpson, CAADE 198253Hesperia, CA 923451083134373
  37. Kathy ThomsenSan Bernardino, CA 924051891974085
  38. James Thomson, BS, CATC, CERT EDRedwood City, CA 940631083901730
  39. Janet Thomson, RRW- 0106Clearlake, CA 954221457686339
  40. Nhia ThorFresno, CA 937011407107030
  41. Pa ThorSacramento, CA 958161912360520
  42. Hannah ThornburgEl Centro, CA 922431780398354
  43. Julia (judy) ThornburgRed Bluff, CA 960801093983785
  44. Jack Thorne, CATC-1Santa Clarita, CA 913211134545502
  45. Marzieh ThorneSacramento, CA 958261508647223
  46. Joseph Thornell, RRWChula Vista, CA 919111568685071
  47. Sadie ThornhillSanta Rosa, CA 954031639533326
  48. Curtis ThorntonInglewood, CA 903011801692223
  49. Jacqueline Thornton, CAS DAC IIRed Bluff, CA 960801629244413
  50. Steve ThorntonLos Angeles, CA 900071871251280

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.