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 370 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. Aia OngpaucoChatsworth, CA 913111275311003
  2. Jennifer Ontiveras-MillerBakersfield, CA 933051598429573
  3. Amber OntiverosRiverside, CA 925011780162727
  4. Lourdes OntiverosOrange, CA 928671790866515
  5. Ife OnwughaluLos Angeles, CA 900471538388129
  6. Anthony OnyeagoroLos Angeles, CA 900151831320969
  7. Joyce OnyekweluAntioch, CA 945091851664197
  8. Shane OostingaColton, CA 923241629802087
  9. Tracy Opp, C.A.T.C.Camarillo, CA 930101619134947
  10. April OppieSan Jose, CA 951311558943209
  11. Amanda OpraySan Jose, CA 951261346719408
  12. Zoraida OquendoFort Irwin, CA 923101043516206
  13. Elizabeth Oquinn, RADT-ISan Diego, CA 921081063127520
  14. Holly OquistEl Cajon, CA 920201922754613
  15. Jeremy OrcuttSan Jose, CA 951271194841189
  16. Leopoldo OrdazBakersfield, CA 933011740957398
  17. Lorena OrdazCovina, CA 917241922927789
  18. Cynthia OrdonezWoodland Hills, CA 913671013515618
  19. Gloria OrdonezFresno, CA 937101265652689
  20. Ruben OrdonezChico, CA 959261093582207
  21. Allen Orellana, CADC II, A050090718Pomona, CA 917671942672456
  22. Daniza OrellanaLa Puente, CA 917441588791628
  23. Genecys OrellanaLos Angeles, CA 900081215272539
  24. Krystel OrengoSacramento, CA 958231316646003
  25. Lavana Oriley, CATC IIVentura, CA 930011154814358
  26. Monique OritzBellflower, CA 907061194551408
  27. Frank Orlando, RASSanta Rosa, CA 954011841310281
  28. Joseph OrlandoSan Francisco, CA 941171457817645
  29. Kyle Orlando, SUDRCRedding, CA 960011033823232
  30. Stephanie Orlando, CADC-II, CSPittsburg, CA 945651508314998
  31. Cindy OrndorffChico, CA 959261124437397
  32. April Ornelas, CASSacramento, CA 958231700894029
  33. Celeste OrnelasVentura, CA 930031265396170
  34. Kendra OrnelasPalm Springs, CA 922621538596358
  35. Mairani OrnelasCarpinteria, CA 930131033885165
  36. Maresha OrnelasEl Cajon, CA 920201992346928
  37. Marlo OrnelasMenlo Park, CA 940251235623547
  38. Sergio OrnelasNorth Hollywood, CA 916011568274694
  39. Fabiola Ornelas Mariscal, SUDCCMartinez, CA 945531962105601
  40. Andrew OroniaPasadena, CA 911031720938723
  41. Jennifer OronozCovina, CA 917221568952968
  42. Nancy OropezaEl Monte, CA 917311619722691
  43. Jennifer OrourkeLos Alamitos, CA 907201770283012
  44. Andrea OrozcoBloomington, CA 923161902697576
  45. Andrew OrozcoBloomington, CA 923161245709377
  46. Ashley Orozco, RADTSan Diego, CA 921041508417320
  47. Bryan OrozcoSan Francisco, CA 941241033977152
  48. Emily OrozcoLong Beach, CA 908061962662155
  49. Francisco OrozcoNorth Hollywood, CA 916011730833237
  50. Gustavo OrozcoChula Vista, CA 919111275031882

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.