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 125 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. Mayisa DennisHesperia, CA 923451699308965
  2. Shelia DennisSacramento, CA 958381649162694
  3. Samantha Dennison, CADC IILake Elsinore, CA 925301245356740
  4. Ariel DennyChico, CA 959261013452069
  5. Jessica DenoAntioch, CA 945091932572930
  6. Margot Denon-Cardarelli, SUDCCSanta Rosa, CA 954031801413901
  7. Berry DentonSan Pedro, CA 907311265118400
  8. Manpreet Kaur Deol, M.A RADT-1Menlo Park, CA 940251558812453
  9. Anthony Depalma, SUDRC IFolsom, CA 956301396606364
  10. Kristi Depew, RADTTarzana, CA 913561134830128
  11. Jacqueline Deppisch, BALos Angeles, CA 900611659986032
  12. Amanda Deprosse, RADTConcord, CA 945211407496391
  13. David DeranianHuntington Beach, CA 926481235683020
  14. Varastad DerbedrosianPasadena, CA 911031831024256
  15. Ernestine Derego, CADCSan Jose, CA 951161649540618
  16. Kevin DeremerNorthridge, CA 913251801744404
  17. Aleksey Derevyanchuk, CADC IIFair Oaks, CA 956281306435797
  18. John Derosa, B.S., CADCIILong Beach, CA 908051750636643
  19. Andrew DertienSan Francisco, CA 941031013512383
  20. Paul DertienSan Francisco, CA 941101902016363
  21. Brittany DeryVan Nuys, CA 914111427983808
  22. Lorie DesantoSacramento, CA 958161023278397
  23. Thomas Deschaine, CADC IIndio, CA 922011679120299
  24. Julie Desena, CADC-CASReseda, CA 913351336758093
  25. Aubra DeshazoNewark, CA 945601912138652
  26. Thomas Deshotels, RADTSan Pedro, CA 907311770336794
  27. Jordan Desimone, CADC-CASAltadena, CA 910011932673563
  28. Cecily DesmondLong Beach, CA 908131447445127
  29. Yoni Desmond, CASWeaverville, CA 960931427395953
  30. Lindsey DesouzaTarzana, CA 913561598354672
  31. Mayra DessaintPacoima, CA 913311215200241
  32. Jessica DessauerEl Cajon, CA 920201033730908
  33. Jeffery Detar, CATC-IIIReseda, CA 913351851741615
  34. Jennifer DethlefsenUpland, CA 917861861808628
  35. James DettmanSan Bernardino, CA 924101114497559
  36. David Deutsch, B.A., CATCOxnard, CA 930361831217595
  37. Patricia DevaneySanta Barbara, CA 931011790419026
  38. Prahlad Devaprakash, SUDCCLos Angeles, CA 900641063356350
  39. Joseph DevaultChico, CA 959261710459433
  40. Richard DeveauFresno, CA 937261114081155
  41. Cherilyn DeveckaTarzana, CA 913561154127926
  42. Louis DeveikisSan Bernardino, CA 924101407745623
  43. Melissa DeveleySacramento, CA 958381699094268
  44. Charlynn Devenny, RASISanta Rosa, CA 954091548574957
  45. Sabrina DevensSun Valley, CA 913521801537980
  46. Alandra DeveraSpring Valley, CA 919781083484679
  47. Melanie DeveraRoseville, CA 956611083584254
  48. Britten Devereux, LADACMission Viejo, CA 926911760090310
  49. William DeveryClaremont, CA 917111942131370
  50. Taylor DevianLos Angeles, CA 900341386359925

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.