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 494 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. Brad TerryVictorville, CA 923951972963759
  2. Christopher TerrySanta Maria, CA 934541558171942
  3. Elizabeth TerrySan Diego, CA 921051013630821
  4. Tawanna TerryUpland, CA 917861588193148
  5. Sean TerwilligerGrover Beach, CA 934331700713641
  6. Victoria TerzianFresno, CA 937061669590337
  7. Richard TescarenoLos Angeles, CA 900171932387503
  8. Selemawit TesfamicaelLos Angeles, CA 900441154580363
  9. Richard TeskaPalm Springs, CA 922621578749487
  10. Desiree TessierLong Beach, CA 908051033724588
  11. Brent TestermanSan Diego, CA 921101093208811
  12. Gregor Testerman, SUDRCEscondido, CA 920251710752910
  13. Sean TewEureka, CA 955011073258018
  14. Edvino TeyucaCovina, CA 917231053200600
  15. Tuyet-Nga Thach, BSLos Angeles, CA 900431396299434
  16. Laury ThammavongSan Francisco, CA 941031114335072
  17. Teresa ThammavongSpring Valley, CA 919781417378308
  18. Sannha ThammavongsaRedding, CA 960021194574954
  19. Susan ThanpengSacramento, CA 958381972317329
  20. Amanda ThaoOroville, CA 959651386043883
  21. Chue ThaoSacramento, CA 958231922012301
  22. Pa ThaoSacramento, CA 958231588956270
  23. Rittman ThaoFresno, CA 937211356941223
  24. Sa ThaoRedding, CA 960021760256358
  25. Vue ThaoFresno, CA 937281073135075
  26. Kathleen TharpLancaster, CA 935341033362157
  27. Michael TharpeSacramento, CA 958161093315400
  28. Daniel ThatcherSan Mateo, CA 944011477095842
  29. Mary Jo ThatcherLos Angeles, CA 900131467725747
  30. Susan Thayer, SUDCCII 9405Riverside, CA 925041871221937
  31. Lakeisha ThedfordSan Bernardino, CA 924051891220745
  32. Tonya TheinSanta Rosa, CA 954091891476289
  33. Leslie TheminsFresno, CA 937111316114481
  34. Chris TheoharidesEscondido, CA 920251063978765
  35. Nicholas ThibaultEl Cajon, CA 920201912487596
  36. Samuel ThibodeauxAnaheim, CA 928051548008162
  37. Tasha ThibodeauxOakland, CA 946021922306752
  38. Kevin Thiel, SUDRCVista, CA 920831447940374
  39. Aspen ThinerMariposa, CA 953381922965003
  40. Brian Thomae, C.A.T.CSalinas, CA 939011609385723
  41. Aaliyah ThomasFrench Camp, CA 952311174173363
  42. Ali ThomasSan Diego, CA 921021750279808
  43. Alicia ThomasLemon Grove, CA 919451154085868
  44. Angela Thomas, REGISTERED COUNSELORSan Mateo, CA 944031114405495
  45. Annie ThomasCompton, CA 902221104296490
  46. Ariel ThomasSan Diego, CA 921051306388319
  47. Ashley ThomasSpring Valley, CA 919781760059133
  48. Azzie ThomasSacramento, CA 958381346643582
  49. Basyl ThomasSan Diego, CA 921021184447815
  50. Beth ThomasGarden Grove, CA 928411093539728

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.