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 422 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. Raymond RiveraEl Monte, CA 917321609617836
  2. Reginald Rivera, A.O.D.CHawthorne, CA 902501679791396
  3. Ricardo RiveraFresno, CA 937011295060937
  4. Rosalie RiveraLos Angeles, CA 900321295327724
  5. Sandra RiveraPico Rivera, CA 906601770612749
  6. Shane RiveraCommerce, CA 900401487015707
  7. Stephanie RiveraLos Angeles, CA 900331447899042
  8. Steven RiveraLos Angeles, CA 900191639521388
  9. Theresa RiveraColusa, CA 959321851434856
  10. Yennie Rivera, COUNSELORMontclair, CA 917631558588012
  11. Yolanda RiveraFresno, CA 937271942773098
  12. Ma Concepsion Rivera Gonzalez, MSWOakland, CA 946021518525674
  13. Jesus Rivera LozanoDesert Hot Springs, CA 922401376223032
  14. Patricia Rivera-GarciaLos Angeles, CA 900221306081245
  15. Crystal RiversLos Angeles, CA 900031306488895
  16. Donald Rivers, CADC IIEureka, CA 955011750913646
  17. Gregory Rivers, CADC IBerkeley, CA 947041710396742
  18. Malik RiversLancaster, CA 935351275213233
  19. Nina Rivers, RASSan Jose, CA 951281497029540
  20. Sonia RiversLos Angeles, CA 900331356962542
  21. Ernest RivieraSan Leandro, CA 945781487977385
  22. Rachel RixVallejo, CA 945901467067850
  23. Joe RizkSanta Barbara, CA 931011972068898
  24. Jose Rizo, SUDCCSanta Ana, CA 927031194315358
  25. Omar RizviFullerton, CA 928321629577739
  26. Annmarie RizzaLancaster, CA 935341275962722
  27. Marcos Rizzo, CADC-1Covina, CA 917241568953883
  28. Robin RizzoHesperia, CA 923451851881064
  29. Taylor Rizzotto, RADT IEscondido, CA 920261629939046
  30. Orville RoacheEast Palo Alto, CA 943031841556586
  31. Jesus Roalandini BeyerLos Angeles, CA 900571184467243
  32. Carolina RobbOakland, CA 946011649302605
  33. Danielle RobbinsAuburn, CA 956031770093296
  34. Jennifer RobbinsOceanside, CA 920581184590374
  35. Kelly RobbinsNapa, CA 945581104166651
  36. Kimberly RobbinsTarzana, CA 913561588118970
  37. Norma Robbins, RASSanta Rosa, CA 954031861602096
  38. Jessica RobbleeSacramento, CA 958161861078172
  39. Peregrine Nerisa Robel, CCAPP R1403220820San Diego, CA 921041538772504
  40. Marsel RobergeNorth Hollywood, CA 916011255143426
  41. Darnell RobersonOakland, CA 946011154505055
  42. Freddie RobersonFresno, CA 937221073218129
  43. Jessica Roberson, CADC IISan Jacinto, CA 925831427734631
  44. Lee Roberson, LPNHemet, CA 925431851858211
  45. Rodney Roberson, INTERNRedwood City, CA 940631710237623
  46. Steven RobersonUpland, CA 917861336690973
  47. Chuck RobertSanta Rosa, CA 954051962536797
  48. David RobertiCulver City, CA 902321578960944
  49. Abia-Imo RobertsBerkeley, CA 947091093308942
  50. Ashton RobertsLos Angeles, CA 900571114591476

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.