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 267 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. Linda Knowles, MFTSacramento, CA 958211306985403
  2. Victoria Knowles, AODSanta Cruz, CA 950621861151250
  3. Cedric KnoxSan Rafael, CA 949011164935698
  4. Chris Knox, CADC ICosta Mesa, CA 926271740140532
  5. Cora KnoxSalinas, CA 939011043597727
  6. Daniel Knox, CADC I, MBAPacific Palisades, CA 902721811760713
  7. Erasmus KnoxVan Nuys, CA 914051376059915
  8. Janette Knox, M.A., M.F.T.Tarzana, CA 913561619187952
  9. Jeannine KnoxLong Beach, CA 908041477951200
  10. Kendric KnoxNorwalk, CA 906501801207188
  11. Morgane KnoxSan Francisco, CA 941101851183677
  12. Natalie KnoxReseda, CA 913351427546399
  13. Sherica Knox, RADTLancaster, CA 935341598585762
  14. Ronald Knoy, CADTP 15809Fresno, CA 937061255507240
  15. Michelle KnudsenSanta Maria, CA 934541659994523
  16. Suzanne KnudsenSan Francisco, CA 941021588784532
  17. Temika Knudsen-JacobsFresno, CA 937061821327180
  18. Christy KnutsonSacramento, CA 958111790175958
  19. Joseph KnyvettIndio, CA 922011285104638
  20. Amy KoOrange, CA 928681275105496
  21. Melissa KobaSanta Ana, CA 927011386522266
  22. Mark KoboldAntioch, CA 945091295105963
  23. Paul Kobulnicky, DC, CADCIIOceanside, CA 920561013715291
  24. Meghan KochOxnard, CA 930331780836213
  25. Michael Koch, CADCII, BSCJA, SAPCarlsbad, CA 920081003363284
  26. Nicholas KochFresno, CA 937261417147836
  27. Kathalene KodmanFresno, CA 937271861687543
  28. Jasmine KodwaviSan Jose, CA 951381841620721
  29. Samantha KoehnCeres, CA 953071548187487
  30. Kelly Koelsch, RADT1Placerville, CA 956671417611666
  31. Alejandra Koen, CATC2 #2313869Oxnard, CA 930361447032982
  32. Galen KoenVentura, CA 930011083228993
  33. Karlee KoeppenSouth Lake Tahoe, CA 961501669324075
  34. Kelsey Kofoid, RADTGrass Valley, CA 959451760992846
  35. Gabriel Kogan, MA, RASChula Vista, CA 919111982984985
  36. Rita KogerInglewood, CA 903051942570072
  37. Abraham KohOxnard, CA 930331225291628
  38. James KohlstedtRichmond, CA 948041437805710
  39. Jun KoizumiLos Angeles, CA 900191609228360
  40. Anna KokanyanSun Valley, CA 913521194263061
  41. Jeffrey KokinacisDesert Hot Springs, CA 922401790147957
  42. Nadezhda KoksharovaLos Angeles, CA 900371922259761
  43. Rachel Kolb, CADC-CASPasadena, CA 911011699334615
  44. Skye KolbSacramento, CA 958411861642977
  45. Kristin Kolbinski, PSY.D.Santa Rosa, CA 954031174907406
  46. Renee Kolinoff-SchwarzRancho Mirage, CA 922701962368092
  47. Esther KollehManteca, CA 953371831915883
  48. Rosanna KoloaMonrovia, CA 910161992347827
  49. Lisa KolvitesBurlingame, CA 940101700364379
  50. Saorath KongStockton, CA 952101588859680

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.