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 124 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. Elaine Delgado-RiggsSanta Cruz, CA 950601467044628
  2. Andrew Delgaudio, RADTNewport Beach, CA 926601164184602
  3. Jennie Delhoyo, CADCBanning, CA 922201467644583
  4. Casey Delillo, RADT-ITarzana, CA 913561689336216
  5. Roxxanne Deling, RADTCampo, CA 919061366299810
  6. Scott Della Maggiora, RADTGrass Valley, CA 959451124626346
  7. Montana DellingerTustin, CA 927801841851854
  8. Joshua DellisOrange, CA 928681487036372
  9. Elizabeth Delong, RADTIRiverside, CA 925061992565311
  10. Judy DelongSanta Maria, CA 934541134350614
  11. Isaiah DelossantosClovis, CA 936111932945078
  12. Brenton DelpSanta Barbara, CA 931101659617355
  13. Charles DelpFresno, CA 937261225563091
  14. Lindsay DelpSanta Barbara, CA 931011548006851
  15. Aleya DelphinoNewark, CA 945601811883796
  16. Elizabeth DelrioRiverside, CA 925071013100148
  17. Robert DeltonLos Angeles, CA 900571134928740
  18. Gilbert DeltoroEscondido, CA 920251114765708
  19. Quinn DelunaSanta Barbara, CA 931101578756862
  20. Jesse DelvalAnaheim, CA 928011629892484
  21. Lynn Delvaux, LMFTLong Beach, CA 908151558451732
  22. Rudy DemanettPasadena, CA 911031184125205
  23. Anthony Demangos, CATCSan Diego, CA 921031821387739
  24. Dalia Demara, HIGH SCHOOL DIPLOMACarson, CA 907461639354400
  25. Kelly Demartino, CADC-IICosta Mesa, CA 926271932818275
  26. Marc Dematteo, RADT IFairfield, CA 945331578106076
  27. Jeanette DemedenkoStanton, CA 906801992682546
  28. Joelle DemelloSanta Barbara, CA 931101093542979
  29. Robert DemeloVisalia, CA 932771033679261
  30. Aldona DementSanta Rosa, CA 954031356673693
  31. Kristina DementCamino, CA 957091346957974
  32. Lawrence Demers, CADC IIBanning, CA 922201568314441
  33. Kendale DemerySan Jose, CA 951121427345743
  34. Barry DemeterSanta Clarita, CA 913211710399100
  35. Carmelita DemusFresno, CA 937011043690571
  36. Laura Den Besten, CCADCSan Jacinto, CA 925831043950892
  37. Jeanne-Louise DenataleSan Rafael, CA 949031992287122
  38. Dan DeneenSanta Rosa, CA 954011932322740
  39. Semira DenekeSacramento, CA 958231316459555
  40. Emmanuel DenikeSanta Cruz, CA 950601982869954
  41. Danielle DenioSanta Ana, CA 927051144877150
  42. Kai Denis, CADC 1Santa Rosa, CA 954031003520826
  43. Crystal Denison/cannon, SUDRCBakersfield, CA 933071689027203
  44. Kathleen DenmanFresno, CA 937261043731235
  45. Ronald DenmonSan Diego, CA 921131780894626
  46. Mollie Dennehy, CADCIISan Diego, CA 921051619451200
  47. John DennemInglewood, CA 903011659775302
  48. Amanda DennettRiverside, CA 925011619679610
  49. Charles DennisLos Angeles, CA 900621205684891
  50. Cuara DennisLos Angeles, CA 900181689936643

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.