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 88 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 Chapman, CARRWeaverville, CA 960931740653203
  2. Robert ChapmanModesto, CA 953511528523545
  3. Janie ChappellEl Cajon, CA 920201184890105
  4. Jozlyn ChappelleUpper Lake, CA 954851467033001
  5. Darius ChappillOakland, CA 946011063050607
  6. Dana Chapple, CADCLancaster, CA 935351922586577
  7. Constance CharchoSan Francisco, CA 941101083744494
  8. Alexis ChargualafEl Cajon, CA 920201306436175
  9. Rosemarie Charifa, LVNStanton, CA 906801922286004
  10. Timmy Charity, R1582311024Los Angeles, CA 900571639998222
  11. Antionette CharlesSan Leandro, CA 945781598255283
  12. David CharlesNorth Hollywood, CA 916011245890391
  13. Eula CharlesSan Bernardino, CA 924041518425347
  14. Janice CharlesPomona, CA 917671124985205
  15. Kellye CharlesLancaster, CA 935341881126472
  16. Maria Charles, RADTWoodland, CA 956951083224091
  17. Moises CharlesStockton, CA 952101982389649
  18. Robert CharlesLos Angeles, CA 900041447832795
  19. Kristen Charlton, CADC-CASOceanside, CA 920561114337052
  20. Mary Charlton, CADC IIOceanside, CA 920581942505011
  21. Armen CharmahaliPasadena, CA 911031710602172
  22. Tiffany CharpentierFrench Camp, CA 952311245654862
  23. Janet ChaseSan Pedro, CA 907311346654845
  24. Kristina ChaseSan Diego, CA 921151356146252
  25. Maria Patricia ChaseSan Francisco, CA 941031235803313
  26. William ChaseBakersfield, CA 933091760337992
  27. Jonathan Chase In WinterLong Beach, CA 908101407640113
  28. Brandy ChastainMarysville, CA 959011679136592
  29. Rita ChastainMission Viejo, CA 926911528666542
  30. Michael ChathamSanta Rosa, CA 954051811021850
  31. Brittany ChatmanLos Angeles, CA 900631649081191
  32. Bruce ChatmanCompton, CA 902211215015458
  33. Byron ChatmanLancaster, CA 935341770175754
  34. Kit ChatsinchaiSan Jose, CA 951191215266242
  35. Alida ChavarinModesto, CA 953501316618093
  36. Julia ChavarinNational City, CA 919501295188613
  37. Philip ChavarinHayward, CA 945441821299736
  38. Rudy ChavarriaLos Angeles, CA 900571669262895
  39. Sabrina ChavarriaSan Jose, CA 951381538608260
  40. Sharon ChavarriaSanta Ana, CA 927011497321228
  41. Soledad ChavarriaSan Diego, CA 921021154243590
  42. Valentina ChavarriaSan Jose, CA 951121619711066
  43. Veronica ChavarriaSan Diego, CA 921031639946668
  44. Armstead Chavers, RADT ILos Angeles, CA 900321225668247
  45. Francine ChaversVisalia, CA 932771811447030
  46. Sarafina Chaves, RADTTrabuco Canyon, CA 926791295307718
  47. Abel Chavez, RRSSan Pedro, CA 907311972017424
  48. Aja ChavezNewport Beach, CA 926601811539794
  49. Alejandra ChavezSan Mateo, CA 944031538043187
  50. Ambar ChavezHawaiian Gardens, CA 907161932396181

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.