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 373 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. Selena OrtizFresno, CA 937111306393608
  2. Shereen OrtizHayward, CA 945411093423873
  3. Stacy OrtizFresno, CA 937261083549711
  4. Tamra OrtizVentura, CA 930031487830212
  5. Veronica OrtizMontebello, CA 906401255701314
  6. Veronica OrtizRiverside, CA 925071467170688
  7. William OrtizVista, CA 920831871367631
  8. William OrtizRiverside, CA 925031528679669
  9. Winda OrtizEl Cajon, CA 920201013589449
  10. Yanci Ortiz RomeroOakland, CA 946021275321259
  11. Gisela Ortiz Solis, SUDRCDowney, CA 902411306645049
  12. Justen Ortiz-DuganSan Bernardino, CA 924101437521606
  13. Jane OrtoLos Angeles, CA 900221154625820
  14. Peter OsbornSacramento, CA 958411669233300
  15. Daniel OsbornePasadena, CA 911061700628021
  16. Kylen OsborneFresno, CA 937061942737812
  17. Ucedrah OsbyBakersfield, CA 933011487781894
  18. Kim Oscarson, RASMarysville, CA 959011538599105
  19. Blanca OsegueraLancaster, CA 935341225622160
  20. Blanca OsegueraSanta Rosa, CA 954021568582088
  21. Gerardo OsegueraSacramento, CA 958261184791790
  22. Joseph OsegueraEscondido, CA 920251083185409
  23. Mark OsegueraSanta Monica, CA 904051750145900
  24. Lora OsherCompton, CA 902201649401753
  25. Gbolahan OshodiLos Angeles, CA 900571992991723
  26. Nwanneka OsigweLos Angeles, CA 900621043438237
  27. Erika OskierkoOntario, CA 917621679012835
  28. Gabriel OsorioPacoima, CA 913311992406433
  29. Luz OsorioLos Angeles, CA 900571275772253
  30. Rene Osorio SantiagoFullerton, CA 928331295240463
  31. Sebastian Osorio-VillaLos Angeles, CA 900331962712000
  32. Jason OsowskiGarden Grove, CA 928401538999248
  33. Sandra OspinaEl Monte, CA 917311720213408
  34. Angelina Osqueda TafollaFrench Camp, CA 952311831051275
  35. Evonne OssorioDowney, CA 902411396394763
  36. Jason Oster, CCAPPTarzana, CA 913561265032932
  37. Maritza OsterdayFairfield, CA 945331326446931
  38. Elizabeth OstheimerVallejo, CA 945901124873203
  39. John OstlundLos Angeles, CA 900361912423963
  40. Jeremy OstranderNapa, CA 945581194927483
  41. Joanne Ostrin, RADTRoseville, CA 956611811750441
  42. Jeffery OstromAuburn, CA 956021033612742
  43. Dana OstrowskiSanta Fe Springs, CA 906701083316111
  44. Kendall Osullivan Biggs, R1691014Bakersfield, CA 933071417311499
  45. Andrew OsunaRiverside, CA 925041851050090
  46. Felipe OsunaPico Rivera, CA 906601679116818
  47. George Osuna, SUD COUNSELORGardena, CA 902491285463018
  48. Logan OsunaLemon Grove, CA 919451962124743
  49. Marcy OswaldSanta Barbara, CA 931101518331735
  50. Carl OswoodMarysville, CA 959011578078564

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.