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 297 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. John LyonOxnard, CA 930301134880040
  2. Ashton LyonsLos Angeles, CA 900591538946017
  3. Bryce Lyons, RH0016700126San Bernardino, CA 924101548194210
  4. Dennis LyonsHawthorne, CA 902501760025902
  5. Dennis Lyons, BSW/RASAuburn, CA 956031740468065
  6. Nicole LyonsSan Luis Obispo, CA 934011760754634
  7. Robert LyonsSan Marcos, CA 920691982163994
  8. Shani LyonsSan Rafael, CA 949011750929006
  9. Robin Lysne, M.A.Watsonville, CA 950761184848665
  10. Brian LyttleElk Grove, CA 957581063877132
  11. Kevin LytvakLos Angeles, CA 900361437765377
  12. Robert MaahsSan Francisco, CA 941171114704442
  13. Gail MaaloufClaremont, CA 917111306731344
  14. Mary MaaloufClaremont, CA 917111184560245
  15. Ramean MaatBerkeley, CA 947021356813927
  16. Sara MaberryRedding, CA 960021497607873
  17. Justin MabiniNorth Hollywood, CA 916061508226937
  18. John Mabo, RASLos Angeles, CA 900441700256963
  19. Ron MabryFresno, CA 937061003281700
  20. Scott MabusRiverside, CA 925011477035723
  21. Ingga Mac, RADTTrabuco Canyon, CA 926791508540923
  22. Phillip Macalolooy, CADCII SUDCC III-CSBakersfield, CA 933011558543082
  23. Lillian Macari, LAADC, RAS, FACMorro Bay, CA 934421417264151
  24. John MacarthurLancaster, CA 935341417549403
  25. Einna Marie MacavintaTarzana, CA 913561790573277
  26. Angus MacbainHayward, CA 945441922694389
  27. Edwin Maccaskie, AOD COUNSELORRichmond, CA 948051558944082
  28. Alexander MacdonaldVenice, CA 902911447021514
  29. Brenda MacdonaldSanta Cruz, CA 950601093834129
  30. Christopher MacdonaldEl Monte, CA 917321760264402
  31. Gwendolyn MacdonaldSanta Clarita, CA 913211548680523
  32. Janet MacdonaldLaguna Hills, CA 926531386428647
  33. Joseph MacdonaldNorth Hollywood, CA 916011164308391
  34. Joseph MacdonaldPlacerville, CA 956671063864999
  35. Laura MacdonaldHuntington Beach, CA 926461730503764
  36. Steve MacdonaldSanta Rosa, CA 954071962535518
  37. David Macdowell, M.A., RAS, MFTISan Francisco, CA 941031740327469
  38. Anita MaceVisalia, CA 932911326271040
  39. Kathy MaceAtwater, CA 953011396148797
  40. Joseph Macedo, CAADC IIRedwood City, CA 940631437440211
  41. Trinity MacedoFresno, CA 937111891217907
  42. Yohanna MacedoBell, CA 902011154012714
  43. Charlotte MaceraLemon Grove, CA 919451104401330
  44. Stewart MacfarlaneCosta Mesa, CA 926271932060225
  45. Thi Mach, CASInglewood, CA 903021144740929
  46. Felicitas MachadoSan Diego, CA 921011114342094
  47. Luciano MachadoVenice, CA 902911043999139
  48. Renee MachadoRiverside, CA 925091215397757
  49. Richelle MachadoAnaheim, CA 928051659688760
  50. Sheri MachadoLos Angeles, CA 900291457090862

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.