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 134 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. Adrian Dryer, RADTLancaster, CA 935341184349052
  2. Alma DuarteLos Angeles, CA 900111831695154
  3. Ana DuarteBakersfield, CA 933051790188480
  4. Carlos DuarteNorth Hollywood, CA 916011619451093
  5. David DuarteFresno, CA 937061720257363
  6. Jacqueline DuarteAnaheim, CA 928051992415236
  7. Jacqueline DuarteModesto, CA 953501376362350
  8. Katie DuarteCarmichael, CA 956081629686464
  9. Luis DuarteSacramento, CA 958231215622519
  10. Mario DuarteLong Beach, CA 908101528958907
  11. Noel DuarteRiverside, CA 925031508632001
  12. Richard Duarte, MSFresno, CA 937011003184664
  13. Samantha DuarteRiverside, CA 925031851760748
  14. Alice Dubberly, R.A.S. & C.A.T.C.Salinas, CA 939011588113070
  15. Laurie Dubellay - OrtizUpland, CA 917861578098646
  16. James Dublino, MA,BA,AA,CATACFullerton, CA 928331326389206
  17. Lynsey DuboisSacramento, CA 958231376005710
  18. Carlos DuboseBerkeley, CA 947031992665665
  19. Michael DubovLos Angeles, CA 900341083322556
  20. Melissa DubrielWest Covina, CA 917911003295841
  21. Guadalupe DubyLong Beach, CA 908071457510026
  22. Diane DucatteCathedral City, CA 922341487877668
  23. Laura Ducharme, CADCAOakland, CA 946121821322538
  24. Antoinette Duckett, RADTPalmdale, CA 935501003515305
  25. Willie DucksworthLong Beach, CA 908061134470073
  26. Monique DuckworthS Dos Palos, CA 936651063628238
  27. Maria DuculanNewark, CA 945601083964134
  28. Mellie DudkinSan Diego, CA 921041417232810
  29. Lynette DudleySan Francisco, CA 941151538610936
  30. Samuel DudleyBloomington, CA 923161669074142
  31. Ryan DueSanta Ana, CA 927031760368922
  32. Amanda DueckSanta Maria, CA 934541063976785
  33. Cinthia DuenasManteca, CA 953371497401186
  34. Karenina Duenas, CADC-ISan Diego, CA 921021134644792
  35. Lara DuenasLos Angeles, CA 900631356003180
  36. Margaret Duenas, CADCIIIRiverside, CA 925041396507455
  37. Miguel Duenas, MPH,CHES,RADT-1San Francisco, CA 941031336995570
  38. Stephanie DuenasStockton, CA 952101689059388
  39. Katherine DuenckelOceanside, CA 920561730645417
  40. Ronald Duer, BSSacramento, CA 958261285161133
  41. John DuffNevada City, CA 959591962732719
  42. Deon Duffey, MBABakersfield, CA 933041619457355
  43. Brandon Duffy, CADC ISan Diego, CA 921231336610674
  44. Matthew Duffy, RADTSan Luis Obispo, CA 934011922861897
  45. Stephen Duffy, RADT-ISan Pedro, CA 907311932690344
  46. Julie DuganLos Angeles, CA 900061346931516
  47. Varise DugasLos Angeles, CA 900621982914081
  48. Alexandria Duggan, MFT TRAINEE, SUDCCRedding, CA 960021922602630
  49. Joseph Duggan, RACSan Pedro, CA 907311164135778
  50. Spryng DugganRiverside, CA 925041366684292

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.