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 359 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. Nancy NelsonModesto, CA 953541841775186
  2. Nathaniel NelsonBloomington, CA 923161366273781
  3. Nicole NelsonHayward, CA 945451669011532
  4. Nikki Nelson, C21151214Sacramento, CA 958261215464573
  5. Patricia Nelson, CADC-CASVallejo, CA 945901184929358
  6. Patricia NelsonSanta Rosa, CA 954051003052762
  7. Robert Nelson, MENTAL HEALTH WORKERChico, CA 959261740355114
  8. Robin NelsonRedding, CA 960011003654583
  9. Russell NelsonSan Luis Obispo, CA 934011124298732
  10. Sara NelsonCarmichael, CA 956081083428874
  11. Sharayah Nelson, CATCFairfield, CA 945331285251868
  12. Timothy Nelson, RADTCampo, CA 919061720944994
  13. Todd Nelson, CADCIIIndio, CA 922011417200924
  14. Tunisia NelsonPomona, CA 917671568982668
  15. Victoria Nelson, COUNSELOR IIITarzana, CA 913561912566159
  16. Wanda NelsonReseda, CA 913351174642235
  17. Jeanette Nelson McEveety, RRWPasadena, CA 911041033638853
  18. Sheila Nelson Nawaz, SUDCCSacramento, CA 958161346802212
  19. Claudia NemethSan Diego, CA 921101407326861
  20. Rogelio NenePasadena, CA 911031033045687
  21. Tristan Neptune, RADTAnaheim, CA 928041457943458
  22. Annette NereyEscondido, CA 920251497996854
  23. Christopher NerioAnaheim, CA 928011649150798
  24. Jonathon NeroniHuntington Beach, CA 926481376392118
  25. Anahit NersesyanPanorama City, CA 914021295957389
  26. Alfredta NesbittSan Francisco, CA 941241508007782
  27. Tina Marie NessNorth Hollywood, CA 916011992220248
  28. Brandy NestroylOxnard, CA 930361770930620
  29. Vanessa NettlesLemon Grove, CA 919451891477279
  30. Victor NettlesLancaster, CA 935341407226343
  31. Wondelyn Nettles-Tutwiler, DRUG AND ALCOHOLSan Francisco, CA 941101740879709
  32. Dominique Nettles-WilcotsHayward, CA 945441871875211
  33. Kylene Neuberger, SUDRCFresno, CA 937211467331041
  34. Jerry Neufeld, RADT IIBakersfield, CA 933061225572175
  35. Sarah NeugebauerPomona, CA 917671932947538
  36. Angela NeumanSan Leandro, CA 945781376141051
  37. Ruben NeumanLos Angeles, CA 900361396333233
  38. Linda Neutz, MA CATC IV/CCS 15096Lompoc, CA 934361760686489
  39. Charles Nevarez, SUDRC #21019San Rafael, CA 949011881549640
  40. Gloria Nevarez, SUDCC 17223San Rafael, CA 949011235082470
  41. John NevarezPasadena, CA 911031568150795
  42. Lyndsey NewModesto, CA 953501952238446
  43. Claire New-Duval, RADTTrabuco Canyon, CA 926791275311243
  44. Veltilena Newbolt-BrownVacaville, CA 956881205596517
  45. Michael NewboultLancaster, CA 935341649587049
  46. George NewbyCompton, CA 902221245672195
  47. Annette NewcombBurlingame, CA 940101689064081
  48. Elizabeth NewellNewark, CA 945601821270786
  49. Kristen NewellSanta Cruz, CA 950621053831917
  50. Maria Newell, CAODCActon, CA 935101477105963

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.