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 22 of 555.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 101YA0400X · method

Los Angeles has the most, 2,101

Addiction (Substance Use Disorder) Counselor records in California

  1. Douglas ArnoldLos Angeles, CA 900361639715584
  2. Fayette ArnoldFresno, CA 937061982258604
  3. Gary Arnold, CADAC11National City, CA 919501568923886
  4. Jeffrey ArnoldDesert Hot Springs, CA 922401497610265
  5. Jennifer ArnoldSacramento, CA 958231902696891
  6. Joel Arnold, RADTPalm Springs, CA 922621033930821
  7. Justin ArnoldRosamond, CA 935601972220507
  8. Karen Arnold, RADTGrass Valley, CA 959451902433451
  9. Maurie ArnoldSanta Cruz, CA 950601609344852
  10. Allison ArnoteNorth Hollywood, CA 916011023651858
  11. Elizabeth Arnott, CJP260109Sacramento, CA 958411669612172
  12. Edgar ArochiPasadena, CA 911031205686847
  13. Clarisse ArochoVan Nuys, CA 914111851970636
  14. Joanna ArominStockton, CA 952041366300162
  15. Marilyn AronoffLancaster, CA 935341548511363
  16. Edward ArosLos Angeles, CA 900221497974018
  17. Serina Arp, R1374411219Gorman, CA 932431760194245
  18. Tyler ArpUpland, CA 917861114643954
  19. Samuel ArreagaFrench Camp, CA 952311346466794
  20. Chandra Arredondo, R1333500119Chula Vista, CA 919111427614767
  21. Debra ArredondoDiamond Springs, CA 956191710757331
  22. Maria ArredondoSan Diego, CA 921041427650514
  23. Robert ArredondoSan Fernando, CA 913401760377295
  24. Daisy ArreolaPomona, CA 917681598295123
  25. Mariela ArreolaChula Vista, CA 919111790649218
  26. Araceli ArrevillagaSanta Fe Springs, CA 906701003336827
  27. Lisa ArreyNorth Hollywood, CA 916011164255105
  28. Kenneth ArriagaInglewood, CA 903021518711902
  29. Jesse ArrietaLos Angeles, CA 900571639539422
  30. Karissa ArringtonTarzana, CA 913561629791702
  31. Chassitti Arriola-PortilloHanford, CA 932301184598245
  32. Isaac ArrizonSan Diego, CA 921051013698521
  33. Dawn Arro, SUDCCStockton, CA 952191194396614
  34. Brenda Arroyo, SUDCC-1Chico, CA 959731740650936
  35. Christina ArroyoSanta Paula, CA 930601881066645
  36. Dustin ArroyoSanta Rosa, CA 954041659181881
  37. Gilbert Arroyo, CADC-I, MHRTVictorville, CA 923921487371928
  38. Paulo ArroyoSan Jacinto, CA 925831972268514
  39. Reyna ArroyoLemon Grove, CA 919451144589946
  40. Sabella ArroyoNorth Hollywood, CA 916011548732472
  41. Lynne Arsenault, CRCHesperia, CA 923451801389309
  42. Sharene ArshadiRoseville, CA 956611073375366
  43. Mitra ArshiNorth Hollywood, CA 916021437663408
  44. Therese ArsolaLos Angeles, CA 900571093588576
  45. Sarah ArtazLa Mesa, CA 919421669911715
  46. Bianca ArteagaFresno, CA 937111588183636
  47. Yolanda ArteagaRiverside, CA 925031598529141
  48. Evie ArterFresno, CA 937051275303703
  49. Jammie Arterberry, RADTSanta Cruz, CA 950621174005151
  50. Curtis ArthurWoodland, CA 956951295940492

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.