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 196 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. Rodney GreenRamona, CA 920651225575038
  2. Roy GreenSacramento, CA 958381942484779
  3. Sasha Green, SUDRCLemon Grove, CA 919451376490102
  4. Shelia GreenTrabuco Canyon, CA 926791356905293
  5. Steven GreenGalt, CA 956321710811880
  6. Sylvia Green, MSWWeaverville, CA 960931942340005
  7. Takia GreenLos Angeles, CA 900181801105861
  8. Teresa GreenLos Angeles, CA 900341922642917
  9. Theadore Green, RADT-ILos Angeles, CA 900211053854232
  10. Vernita GreenNewark, CA 945601013118017
  11. Donisha Green-GuidryPomona, CA 917671588476691
  12. Jamisse Green-HarrisInglewood, CA 903021427928225
  13. Kandice Green-LopezVisalia, CA 932771417792292
  14. Jennifer GreenbergNorth Hollywood, CA 916011215644729
  15. Rachel GreenbergSanta Fe Springs, CA 906701033744867
  16. Aaron GreeneFresno, CA 937011063038818
  17. Benjamin GreeneSan Francisco, CA 941021487960563
  18. Brian GreeneFullerton, CA 928311669563573
  19. Cheryl Greene, CAADACSacramento, CA 958141346322302
  20. Demetrius GreeneLemon Grove, CA 919451184194490
  21. Donnie Greene, SUDCC IFresno, CA 937021740735836
  22. Douglas GreeneSanta Barbara, CA 931011902074123
  23. Elexus Greene, RAD-TFairfield, CA 945331255147310
  24. Gregory Greene, SUDCC-IVSanta Ana, CA 927011679365308
  25. Jacque GreeneFresno, CA 937061609597558
  26. Jo Greene, CADC II-CASacramento, CA 958261972743276
  27. Kelley GreeneAuburn, CA 956021750148656
  28. Komoa GreeneChula Vista, CA 919111578247953
  29. Martha Greene, BRA-S1-8789Redwood City, CA 940631922386424
  30. Merrilee Greene, CADC IICosta Mesa, CA 926271225325046
  31. Monica GreenePittsburg, CA 945651497950646
  32. Nathan GreeneWeaverville, CA 960931134592413
  33. Otis Greene, SUBSTANCE USE DISORDRancho Mirage, CA 922701740893361
  34. Sandra GreeneLos Angeles, CA 900081205153970
  35. Wayne Greene, CDACSan Francisco, CA 941151619043619
  36. Melissa GreenfieldSan Mateo, CA 944031194363390
  37. Johnny Greenhaw, LPCCSacramento, CA 958211639310261
  38. Consepcion Greenhouse, CADTPConcord, CA 945201942747654
  39. Evangelina GreenhouseEl Cajon, CA 920201144629577
  40. Michelle Greening, SUDRCPomona, CA 917671982498176
  41. Brian Greenleaf, CADC IIIndio, CA 922011457812885
  42. Eric Greenlee, SUDRC1 23267San Francisco, CA 941031932054269
  43. Rebecca GreenoughReseda, CA 913351720238678
  44. Brian Greenwald, CADC IINewport Beach, CA 926601164000667
  45. Melissa GreenwayOceanside, CA 920541598390684
  46. Sara GreenwayLong Beach, CA 908051104449545
  47. Marie GreenwoodSacramento, CA 958231104274216
  48. Ronald GreenwoodCamarillo, CA 930101568885861
  49. Angela GreerSacramento, CA 958231962287839
  50. Darrel GreerLos Angeles, CA 900111114398823

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.