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 316 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. Bonnie Matthews, SUDCC#12240Redding, CA 960021558024703
  2. Brianna MatthewsWhittier, CA 906041528502606
  3. Carmenia MatthewsSanta Monica, CA 904051962054122
  4. David MatthewsLos Angeles, CA 900291710677448
  5. Harriett MatthewsBrentwood, CA 945131194947812
  6. Kimberley Matthews, DRUG COUNSELORVallejo, CA 945891194232827
  7. Monica MatthewsLos Angeles, CA 900311124873153
  8. Patanya MatthewsLos Angeles, CA 900591821443995
  9. Tosha Matthews, CADCCarmichael, CA 956081245681816
  10. Tracy Matthews, RADT ISan Diego, CA 921231811672819
  11. Vickie Matthews, CAARRSanta Fe Springs, CA 906701770703126
  12. Uriah MattiaRiverside, CA 925081144887431
  13. Kimberlee Mattingley, BA, SUDCCShingle Springs, CA 956821912553702
  14. Nancy MattinglyPittsburg, CA 945651669893053
  15. Carrie Mattox, MSP, SUDCCIV/MATCFresno, CA 937261447128368
  16. Karen MatulisHawthorne, CA 902501255843702
  17. Sage MaturaWestlake Village, CA 913611952291411
  18. Michael MatuszakSimi Valley, CA 930651104417278
  19. Cynthia Matuzak, CDDTPLong Beach, CA 908041366659419
  20. Zachary MatweyewLos Angeles, CA 900291750094801
  21. Jennipearl MatzkeUpland, CA 917861962366658
  22. Katherine Mauldin, MEDICAL ASSISTANTOrange, CA 928681831925874
  23. Kevin Maunu, RADTTarzana, CA 913561285522698
  24. Donald MaurerPerris, CA 925711528395233
  25. Melissa Mautner, RADTTarzana, CA 913561427733120
  26. Robert MautteSan Diego, CA 921101417622036
  27. Marissa MaxeySan Marcos, CA 920691275242729
  28. Robert MaxeySanta Ana, CA 927011821680158
  29. Harold Maxfield, SUD #15799San Leandro, CA 945781790550093
  30. Kelli Maxfield, CADC-CASCarmichael, CA 956081225562804
  31. Ebony MaxieHawthorne, CA 902501750944468
  32. Christopher MaxwellSan Diego, CA 921021528881992
  33. D Maxwell, M.A. CATC IVSan Juan Capistrano, CA 926751679091441
  34. Deandre MaxwellFresno, CA 937211407982713
  35. Glenn Maxwell, CADC-II, ICADCSacramento, CA 958261588191688
  36. Jamie MaxwellSan Pedro, CA 907311720867211
  37. Jennifer MaxwellSacramento, CA 958411457865248
  38. Pamela Maxwell, CADC IIWest Sacramento, CA 956051134344427
  39. Samantha Maxwell, BASan Rafael, CA 949011063809929
  40. Victoria Maxwell, LAADC-CASan Diego, CA 921021811230634
  41. Jeanne May, CATCGarden Valley, CA 956331356748412
  42. Jody MayFresno, CA 937111770344368
  43. John MaySanta Ana, CA 927031205686581
  44. Raymond MayLos Angeles, CA 900131255718029
  45. Sue May, RASSebastopol, CA 954721770762072
  46. Timothy MayEl Monte, CA 917331639567498
  47. William May, RADTCampo, CA 919061831881325
  48. Katelyn MayberrySan Luis Obispo, CA 934011184579864
  49. Lysa Maybruck-Harrison, CADC-IILos Angeles, CA 900341306196613
  50. Tani MayedaBakersfield, CA 933041336394790

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.