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 367 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. Sulema OchoaFresno, CA 937251760973150
  2. Vanessa OchoaMurrieta, CA 925621902243967
  3. Yesenia OchoaRiverside, CA 925061881556843
  4. Ysenia Ochoa, RADTPasadena, CA 911011023990835
  5. Yvonne OchoaLodi, CA 952421164047429
  6. Zenaida OchoaLompoc, CA 934361851854616
  7. Lourdes Ochoa HernandezLos Angeles, CA 900171922211564
  8. Nicole OchotorenaWhittier, CA 906041497564611
  9. Suranee OckletreeChula Vista, CA 919101407320765
  10. Cherral OcobockNorth Hollywood, CA 916021083947105
  11. John Oconnell, CDACRiverside, CA 925041770622961
  12. Christian OdanielSan Mateo, CA 944031912728239
  13. Victoria Odde, LR02451016San Diego, CA 921051457867756
  14. Faith Odell, SUDRRed Bluff, CA 960801578341640
  15. Meaghan OdellCanoga Park, CA 913031295412864
  16. Kennedy OderoBloomington, CA 923161043917370
  17. Casey OdlandFresno, CA 937061528506243
  18. Jennifer Odle, SUDRC IConcord, CA 945181548195068
  19. Stephanie Odney, CAADACClearlake, CA 954221063704385
  20. Christian OdoemenaLos Angeles, CA 900471548467558
  21. Donna OdomPasadena, CA 911031225496748
  22. Elizabeth OdomLos Alamitos, CA 907201548767882
  23. Haruka OdombrownPacoima, CA 913311851798763
  24. Tamara Odums, SUDVisalia, CA 932911871211136
  25. Michael OesterbladLos Angeles, CA 900361740989276
  26. Michael OfficerSan Diego, CA 921021740972702
  27. Chika OffokansiLos Angeles, CA 900471578781290
  28. Roberta OffuttAnaheim, CA 928011396091385
  29. Emmanuelle OgataLos Angeles, CA 900571275751398
  30. Tammy OgbornBloomington, CA 923161831778125
  31. Joan OgbuehiBakersfield, CA 933091316494099
  32. James OgdenSan Mateo, CA 944011124880299
  33. Joy Ogden, CADC IIFairfield, CA 945331720150808
  34. Lynda OgdenBloomington, CA 923161679763064
  35. Teri OgdenChico, CA 959261366746950
  36. Alexander OgleRiverside, CA 925041023653953
  37. Chiedu OguaghaLos Angeles, CA 900471851582985
  38. Akin OgunjeLos Angeles, CA 900471144465089
  39. Joo Young Oh, AMFTFountain Valley, CA 927081316507528
  40. Rebecca Ohabim, MAInglewood, CA 903011881937019
  41. Debra OhanesianOroville, CA 959651376802199
  42. Ayla OhanlonMartinez, CA 945531578198586
  43. Nafia Ohler, R.A.D.I.San Juan Capistrano, CA 926751407933690
  44. Cassandra Ohms, SUDRCHayward, CA 945411912794280
  45. Terry Ojeda, CASISacramento, CA 958231518108216
  46. Dike OjigweLos Angeles, CA 900471740400829
  47. Videth OkLong Beach, CA 908061336562545
  48. Susan Okada, M.S., RASSan Francisco, CA 941031518099019
  49. Benjamin OkarohLos Angeles, CA 900471679740443
  50. Nelson Okeke, REGISTERED NURSELa, CA 900431639449119

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.