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 533 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. Thoams WelchSan Anselmo, CA 949601770065013
  2. Walter WelchLong Beach, CA 908041487349502
  3. Jamar Welcome, RADT-1/CLINICAL TECHSacramento, CA 958161588541700
  4. Steven WellemeyerFremont, CA 945361902188717
  5. Sean Welling, CADC-ILos Angeles, CA 900571326837642
  6. Christopher WellingtonRiverside, CA 925011962999334
  7. Stephanie WellingtonLos Angeles, CA 900161801038575
  8. Candace WellsSacramento, CA 958161154843548
  9. Chaunta WellsSan Leandro, CA 945781134734270
  10. Christina WellsFresno, CA 937061235844978
  11. Corey WellsHesperia, CA 923451629366018
  12. David WellsCompton, CA 902221811339757
  13. Heidi WellsVisalia, CA 932771366261877
  14. Jo Ann Wells, RASISacramento, CA 958141548356033
  15. Jodi Wells, CADC-IISan Jacinto, CA 925831760788756
  16. Karina WellsClaremont, CA 917111346190246
  17. Kasey WellsLos Angeles, CA 900111093563926
  18. Marissa WellsOrange, CA 928681013883412
  19. Melanie Wells, ACSW#125971Temecula, CA 925921770117533
  20. Tracy Wells, CADC-IISan Diego, CA 921171114134046
  21. Angela WeltonFresno, CA 937011831363944
  22. Chrissy Wendel SmithPacoima, CA 913311124517370
  23. David WenerstromRedding, CA 960021154955458
  24. Les Wenger, MSRC, RRWFresno, CA 937271942644919
  25. Meredith WenselLivermore, CA 945511205224516
  26. Cassady WenstromWoodland, CA 956951952913758
  27. David WentworthPetaluma, CA 949521992172498
  28. Katherine WentworthSan Bernardino, CA 924101164965760
  29. Lee WentworthPomona, CA 917681215471107
  30. Megan Wenzel, RADTTrabuco Canyon, CA 926791720970783
  31. Linda WerbelowLancaster, CA 935341407394216
  32. Carlyn WerdermanOntario, CA 917621851724157
  33. Justin WerlickSan Diego, CA 921011831693738
  34. Jennifer WernerSan Mateo, CA 944031245898196
  35. Katherine WernerRiverside, CA 925041871076398
  36. Michael WernerLos Angeles, CA 900351225676422
  37. Miles WernerLong Beach, CA 908041245501261
  38. Eden WerstlerChico, CA 959261235434358
  39. Ril WerstlerChico, CA 959261639473226
  40. Jayson WertenbergerFresno, CA 937211912741109
  41. Maxine Weseley, CADC IILa Jolla, CA 920371265988000
  42. David WesleyRocklin, CA 956771013362466
  43. Faheem WesleySan Francisco, CA 941241851677140
  44. Marcelle Wess, SACSan Bernardino, CA 924151588786917
  45. Prudence WessonSan Rafael, CA 949011821508417
  46. Cheyenne West, SUDRCClearlake, CA 954221861294878
  47. Chila WestRiverside, CA 925041265186183
  48. Cody WestVista, CA 920831184494247
  49. Dennise WestNewark, CA 945601306057625
  50. Eric WestBakersfield, CA 933131083732234

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.