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 366 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. Patrick O'ShaughnessySan Francisco, CA 941101760840524
  2. Sean O'SheaSan Diego, CA 921021558901785
  3. Shelley O'Sullivan, RASHayward, CA 945441952522898
  4. Christopher O'TooleFullerton, CA 928321619209087
  5. Yashada OakSan Francisco, CA 941031497612709
  6. Bernadette Oakes, CASSacramento, CA 958231003010422
  7. Scott Oakes, CASIIMerced, CA 953411457506164
  8. Brandon OareRiverside, CA 925081003380114
  9. Obiageli Obah, NPHawthorne, CA 902501417089871
  10. Florence ObazeeLos Angeles, CA 900571255665105
  11. Lucy Oberg, CADC ISacramento, CA 958111962740613
  12. Jasmine ObermanDesert Hot Springs, CA 922401043788441
  13. Kashawn ObeyLos Angeles, CA 900031619296753
  14. Helen ObinyanAntioch, CA 945091376943613
  15. Susana ObispoOakland, CA 946031619426475
  16. Daizell ObongFresno, CA 937261053544395
  17. Ashley Obregon, RADTTrabuco Canyon, CA 926791730825407
  18. Brandi Obrien, RASINewhall, CA 913211891860268
  19. Maria OcampoLos Angeles, CA 900071265200984
  20. Cynthia OcanadaModesto, CA 953511801095500
  21. Phillip Ocaranza, RADTVisalia, CA 932771750914354
  22. Richard OcchinoClearlake, CA 954221609339548
  23. Toni OcchipintiEl Cajon, CA 920201114348224
  24. Belen Oceguera, MAOrange, CA 928681518414051
  25. Eric OcegueraSanta Ana, CA 927051346170263
  26. Keri OcegueraWest Hollywood, CA 900461932970548
  27. Robert OcegueraSanta Ana, CA 927051457005258
  28. Anais Ochoa, MEDICAL ASSISTANTSun Valley, CA 913521659145241
  29. Angie OchoaTrabuco Canyon, CA 928051952179392
  30. Audrey OchoaLa Mirada, CA 906381235814856
  31. Christine Ochoa, COUNSELORDesert Hot Springs, CA 922401124643416
  32. Christine Ochoa, CASVallejo, CA 945891598801748
  33. Christopher OchoaHesperia, CA 923451033698725
  34. Crystal OchoaRedwood City, CA 940631548036056
  35. Daniel OchoaLos Angeles, CA 900111326362609
  36. Daniela OchoaModesto, CA 953501992261507
  37. David Ochoa, CADC1Bloomington, CA 923161366607038
  38. Denice OchoaBakersfield, CA 933011033396585
  39. Evedena OchoaModesto, CA 953501851014518
  40. Jose Ochoa, CADCII, ICADCSan Jacinto, CA 925831275757940
  41. Kayla OchoaLompoc, CA 934361376408260
  42. Lorraine OchoaEl Monte, CA 917321801446075
  43. Maria OchoaCanoga Park, CA 913041215457106
  44. Maria OchoaFullerton, CA 928321164116877
  45. Maricela OchoaWilmington, CA 907441912020231
  46. Martha OchoaTarzana, CA 913561053959288
  47. Melissa OchoaStockton, CA 952021699638833
  48. Norma OchoaSanta Ana, CA 927011568551505
  49. Phillip OchoaLos Angeles, CA 900441225266703
  50. Reyna OchoaAtascadero, CA 934221679408934

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.