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 266 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. Kent KlawerOntario, CA 917621912203092
  2. Victoria KlebanPomona, CA 917681114396819
  3. Jamie Klein, RADTTarzana, CA 913561902652183
  4. Linda KleinVisalia, CA 932911225166465
  5. Shenoah KleinDesert Hot Springs, CA 922401285111427
  6. Turtle KleinLompoc, CA 934361639214539
  7. Kathryn KlepperVentura, CA 930031902536691
  8. Faith Kleveland, CATCIIISanta Barbara, CA 931011194129148
  9. Nikita KlimashovSanta Fe Springs, CA 906701902672447
  10. Dwain KlineWest Covina, CA 917911467049965
  11. Amie KlingKing City, CA 939301679048920
  12. Jaqueline Klingenberg, CDC ISan Diego, CA 921151578048716
  13. Ligi Klink, MSACSan Clemente, CA 926721235764994
  14. Kathy KlinkefusSanta Cruz, CA 950621164696365
  15. Jodi Klopf, LPT, RADT IIWalnut Creek, CA 945981225607732
  16. Katy KlotthorSun Valley, CA 913521326532961
  17. Kimberly KluballModesto, CA 953501730528241
  18. Philip KlussSan Diego, CA 921021902545171
  19. Shirley Kluver, RASVisalia, CA 932911619010667
  20. Brooke KnadleChico, CA 959261770767329
  21. Doreen KnappStockton, CA 952021447409818
  22. Taylor KnappWestlake Village, CA 913611407647456
  23. Jannette KnausFresno, CA 937061063705226
  24. Kelli KneelandAtascadero, CA 934221023981503
  25. Gary Knepper, C.A.T.C.Fresno, CA 937061881729366
  26. Steven Kniffen, SUDRC LL, CMPSSLong Beach, CA 908021881562742
  27. Matthew Knifong, SUDCCSacramento, CA 958161992180871
  28. Barbara KnightSanta Rosa, CA 954051013040740
  29. Cheryl Knight, CATCEl Cajon, CA 920201104205145
  30. Dayan KnightGarden Valley, CA 956331538688973
  31. Gabe Knight, SA1Tehachapi, CA 935611588717359
  32. Jerry KnightChico, CA 959261295085447
  33. John KnightSanta Ana, CA 927011326935503
  34. Shannon KnightPasadena, CA 911041831593219
  35. Vickie KnightLos Angeles, CA 900371720302029
  36. Iris Knighten, 01-048495Gardena, CA 902471902196496
  37. Taylor KnightsSanta Cruz, CA 950621659210334
  38. Jessi Knobelock, CADC IIEureka, CA 955011285190694
  39. Gavin Knobloch, CADC I CI37960323Hanford, CA 932301821878059
  40. Joshua KnoblockPlacerville, CA 956671598146417
  41. Mishell KnoessRedding, CA 960011598374696
  42. Jason KnollEl Cajon, CA 920201477022291
  43. Cherie Knopf, ADMINISTRATORLake Forest, CA 926301396978508
  44. Kimberly KnopikEscondido, CA 920261851051171
  45. Keenan KnorrPlacerville, CA 956671649157637
  46. John Knoten, RASIMarysville, CA 959011811312341
  47. Nathan KnottAliso Viejo, CA 926561104477108
  48. Ebony KnowlesFrench Camp, CA 952311427582329
  49. Eric KnowlesLos Angeles, CA 900311215728712
  50. Jessica Knowles, SUDRCFairfield, CA 945331881322584

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.