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 362 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. Christopher Nielsen, RADT1King City, CA 939301689404576
  2. Jerod NielsenLong Beach, CA 908051770206989
  3. Julie NielsenVista, CA 920811871189209
  4. Patricia NielsenInglewood, CA 903011285964270
  5. Jennifer NiemannRedding, CA 960021447821681
  6. Richard Niemi, CATCOxnard, CA 930331114197753
  7. Carlos NietoEl Monte, CA 917321548906571
  8. Rosa Nieto, SUDRCVenice, CA 902911649958687
  9. Valerie Nieto, RADT ILemon Grove, CA 919451053285387
  10. Ysidro NietoGlendale, CA 912041184801698
  11. Amber Nieves, CADC-CASOceanside, CA 920561285842567
  12. Isiaih NievesAltadena, CA 910011932972734
  13. Reyna NievesMerced, CA 953401164726790
  14. Tonya Nieves, RASSanta Fe Springs, CA 906701770702110
  15. Daniel Nikityuk, SUDRCSacramento, CA 958161750044582
  16. Mariam NikogosyanIndio, CA 922011770261109
  17. Benjamin NilesAliso Viejo, CA 926561427423029
  18. Jeffrey Nilsen, AOD COUNSELORSan Francisco, CA 941071376736926
  19. Zach NilssonSan Pedro, CA 907311427573849
  20. Allyson NimoyLos Angeles, CA 900341245042993
  21. Gary NimtzEl Cajon, CA 920201477078194
  22. Joshua NippOntario, CA 917611124709662
  23. Parker NishkianSacramento, CA 958261689326571
  24. James NiskalaSacramento, CA 958231306179510
  25. Jeffrey Niss, CCAPP C7801214Vista, CA 920831508539669
  26. Chantal NitowskiOxnard, CA 930331679748735
  27. Verdia NixSan Pablo, CA 948061790973584
  28. Gregory NixonSan Diego, CA 921151588048730
  29. Lisa NixonStockton, CA 952191194902494
  30. Patrick NixonSanta Barbara, CA 931011336329234
  31. Sheila Nixon, RADT1Vallejo, CA 945901871200352
  32. Tanesha NixonVallejo, CA 945901003781485
  33. Jude NjokuInglewood, CA 903031437386182
  34. Eme NkugbaInglewood, CA 903011538486725
  35. Gift NlekoSanta Ana, CA 927011578085668
  36. Christopher NnadedeLos Angeles, CA 900081366620288
  37. Michael NnonerInglewood, CA 903031649647819
  38. Christina NoackGrass Valley, CA 959451225495039
  39. Johnina Noar, CAADACEscondido, CA 920251114156494
  40. Christopher Nobbie, RADTSan Diego, CA 921021497226237
  41. Carlos Noble, CATCVan Nuys, CA 914011801199435
  42. Deborah Noble, M.S.Sacramento, CA 958181770808958
  43. Julissa Noble, CAODC-A-CS,LAADC-CAOxnard, CA 930331780704411
  44. Richard NobleLa Quinta, CA 922531710732755
  45. Angelica NodalCoalinga, CA 932101336369479
  46. Delisa Noebel, CADCII, SASIIBakersfield, CA 933081366679920
  47. Merri Noel, CADC-IIRamona, CA 920651477886273
  48. Ronald Noel, M.A. RASSacramento, CA 958261447559059
  49. Sabina NoelStockton, CA 952021659776656
  50. Lee Noel-StorySacramento, CA 958151821260704

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.