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 358 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 NeeleySan Pedro, CA 907311235727678
  2. Tiffany NeeleySan Leandro, CA 945781780976084
  3. Devin NeelyMerced, CA 953401174321392
  4. John NeenanSanta Barbara, CA 931011518827245
  5. Madison NeesSan Diego, CA 921021205652997
  6. Franklyn NeffStanton, CA 906801013887504
  7. Tonya NeffDesert Hot Springs, CA 922401174996599
  8. Anthony NegreteVan Nuys, CA 914111366755183
  9. Dolores NegreteStockton, CA 952061447832464
  10. David Negrete HernandezLos Angeles, CA 900591093187791
  11. Marisol NegretteLos Angeles, CA 900561114351194
  12. Lisa NegronRiverside, CA 925071821685637
  13. Lisa NeiderYucca Valley, CA 922841689859530
  14. Joann Neighbors, RNSanta Ana, CA 927011174621270
  15. Kari NeighborsRiverside, CA 925031871991695
  16. Michele Neil, SUDRCSacramento, CA 958261760330849
  17. Elizabeth Neill, RADTSacramento, CA 958161093532947
  18. Tricia Neill, CADC-IBoulevard, CA 919051497509194
  19. David NejdlDesert Hot Springs, CA 922401083113575
  20. Micah Nahid NellessenLaguna Hills, CA 926531396335923
  21. Angela NelsonSan Diego, CA 921021578042057
  22. Aradala NelsonSusanville, CA 961301013141530
  23. Bianca NelsonSacramento, CA 958261871071738
  24. Bryce NelsonSacramento, CA 958251902750623
  25. Christina Nelson, RADTBrea, CA 928211447910815
  26. Christopher Nelson, REGISTERED CAODCPasadena, CA 911011740830173
  27. Ciera NelsonFresno, CA 937051881076149
  28. Cyla Nelson, LCSW CADCOroville, CA 959651578639217
  29. Cynthia Nelson, MASTER'SGrover Beach, CA 934331700099090
  30. Deborah Nelson, CASEl Monte, CA 917311871874115
  31. Dione Nelson, CADC IIFresno, CA 937011619423357
  32. Donald NelsonFullerton, CA 928321205044914
  33. Elizabeth Nelson, CADC-CASModesto, CA 953541912548033
  34. Eric Nelson, SACEureka, CA 955031245368331
  35. Janet Nelson, CAS IIFresno, CA 937261316155344
  36. Janie NelsonSan Diego, CA 921031174168611
  37. Joel Nelson, CADC ITorrance, CA 905021003900515
  38. Josh Nelson, CADC-IIAtascadero, CA 934221861937120
  39. Kaitlyn NelsonSouth San Francisco, CA 940801386176220
  40. Karen NelsonSan Jose, CA 951121467317628
  41. Kayla-Ann Nelson, RACMarysville, CA 959011982283370
  42. Laquintiana NelsonSacramento, CA 958231962636704
  43. Larry NelsonSan Francisco, CA 941021225260631
  44. Leisha Nelson, CS IIFresno, CA 937041841876570
  45. Lorna NelsonLos Angeles, CA 900571083209431
  46. Lysa NelsonRiverside, CA 925031366218299
  47. Marielle NelsonOakland, CA 946061477804946
  48. Melissa Nelson, B.A.Eureka, CA 955011295158426
  49. Michael Nelson, RASIRancho Cucamonga, CA 917301487971198
  50. Michael Nelson, S.U.D.C.C. IIISan Francisco, CA 941241578844486

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.