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 101 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. Marlene Contreras, SUD COUNSELOR IPomona, CA 917671295542736
  2. Melissa ContrerasLancaster, CA 935341275167991
  3. Meliza ContrerasSacramento, CA 958151720530553
  4. Nancy ContrerasLong Beach, CA 908061811660889
  5. Natalie ContrerasPerris, CA 925711710269840
  6. Norma ContrerasSan Francisco, CA 941101306003843
  7. Ralph ContrerasBerkeley, CA 947031245005479
  8. Randall ContrerasLa Puente, CA 917441750244711
  9. Richard ContrerasSacramento, CA 958261245165455
  10. Rigoberto ContrerasSanta Fe Springs, CA 906701396366597
  11. Robert ContrerasSylmar, CA 913421699943894
  12. Roseanne ContrerasLos Angeles, CA 900221326266008
  13. Shawna Contreras, RADT1Hanford, CA 932301841917960
  14. Suyapa ContrerasSanta Barbara, CA 931051316133846
  15. Veronica ContrerasBloomington, CA 923161285450072
  16. Vincent ContrerasLos Angeles, CA 900331174076202
  17. Guadalupe Contreras Jr.Fresno, CA 937061407979727
  18. Cynthia Contreras LopezLos Angeles, CA 900211821253477
  19. Ivonne Contreras-StefanellSylmar, CA 913421063641512
  20. Sean ConverMerced, CA 953481265904742
  21. Joyce ConwayVisalia, CA 932911093840514
  22. Katie Conway, CADC II, ICADCLos Gatos, CA 950321447013818
  23. Maureen ConwayLucerne, CA 954581437360492
  24. Ramona ConwayLos Angeles, CA 900571699558023
  25. Romalis ConwayWest Hollywood, CA 900461245459650
  26. April CookCarmichael, CA 956081821696691
  27. Bailey CookSpring Valley, CA 919781568132769
  28. Collin CookFresno, CA 937061912679762
  29. Cristen CookDesert Hot Springs, CA 922401326494345
  30. Demone Cook, CADC II-CSLos Angeles, CA 900181255075743
  31. Emmett CookSanta Ana, CA 927011447803788
  32. Jacqueline Cook, R.N., R.A.S.Anaheim, CA 928061134211659
  33. Lawrence CookHemet, CA 925431275866741
  34. Lucas Cook, RADTCampo, CA 919061952079196
  35. Lyndsey Cook, CADTP #9868Clearlake, CA 954221235762402
  36. Marlo CookCarmichael, CA 956081972995561
  37. Mary CookSan Pedro, CA 907311063070993
  38. Mika CookSan Francisco, CA 941031619217296
  39. Milton CookHayward, CA 945451487463402
  40. Nycole Cook, RADTSacramento, CA 958261346953999
  41. Ralph CookFremont, CA 945361366630527
  42. Rebecca Cook, RADTSan Jacinto, CA 925831417757618
  43. Sheila CookLos Angeles, CA 900471750852927
  44. Sheri CookFresno, CA 937281033498712
  45. Sydney Cook, RADTIGrass Valley, CA 959451215826771
  46. Syrena CookSan Diego, CA 921081487392346
  47. Tara CookAntioch, CA 945091497693204
  48. Tyrell CookLong Beach, CA 908131861379331
  49. Vatrina CookWoodland Hills, CA 913671194686147
  50. Waverly CookFairfield, CA 945331447928833

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.