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 439 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. Peggy RussellFresno, CA 937261770739229
  2. Sherry Russell, M.A. PSYCHOLOGYSanta Maria, CA 934541306963988
  3. Stephanie RussellOroville, CA 959651619821923
  4. Terrance Russell, DV FACILITATORTarzana, CA 913561467972851
  5. Tiara RussellSan Leandro, CA 945781558969584
  6. Nicholas RussiNorthridge, CA 913251114202322
  7. Lynn RussikoffTemecula, CA 925911407983109
  8. Gina Russo, SUDCC III-CSFullerton, CA 928321366658841
  9. Martha RussoUpland, CA 917861770913824
  10. Vincent Russo, CAADACBerkeley, CA 947041487993960
  11. Ramona RussumReseda, CA 913351699908053
  12. Megan RustTarzana, CA 913561063992493
  13. Valerie RutherfordFairfield, CA 945331770396913
  14. Denise RutledgeSan Bernardino, CA 924101679380778
  15. Marisah RutledgeLong Beach, CA 908131881855369
  16. Patricia Rutledge, APCCCorte Madera, CA 949251447961420
  17. Rodney RutledgeBakersfield, CA 933011154725695
  18. Emily RuttledgeWest Hollywood, CA 900691548981814
  19. Angelica RuvalcabaSan Luis Obispo, CA 934011831928142
  20. Cristal RuvalcabaReseda, CA 913351992420491
  21. Joey Ruvalcaba, RADT (CCAPP)Lake View Terrace, CA 913421356804165
  22. Jorge RuvalcabaSanta Fe Springs, CA 906701902535966
  23. Marcela RuvalcabaSylmar, CA 913421588009302
  24. Monica RuvalcabaModesto, CA 953541205008232
  25. Rosemary RuvalcabaLos Angeles, CA 900201083385462
  26. Sharline Ruvalcaba, RADT-1San Diego, CA 921231689237901
  27. Cecilia Ruvalcaba-MineroFresno, CA 937111740618131
  28. Marie RuvalcavaLos Angeles, CA 900331205492360
  29. Adam RuvoBloomington, CA 923161689502114
  30. Heather RuvoloOceanside, CA 920541912328071
  31. Amanda RyanRoseville, CA 956611457521767
  32. Bonnie RyanSanta Barbara, CA 931011619163086
  33. Daniel Ryan, RADTFresno, CA 937101821809245
  34. Joel Ryan, CATCVallejo, CA 945911154595668
  35. Joseph RyanLompoc, CA 934361881086528
  36. Kelly Ryan, LAADCRiverside, CA 925041821741471
  37. Lisa Ryan, RADIBakersfield, CA 933011689702458
  38. Lisa Ryan, RAS, CATCOakland, CA 946081588185441
  39. Loretta Ryan, RASNapa, CA 945591497875157
  40. Mark Ryan, RADT-1Sacramento, CA 958261942719638
  41. Morgan RyanRoseville, CA 956611689264848
  42. Paige RyanSan Diego, CA 921101023307931
  43. Patricia (patti) Ryan, AOD 7168San Diego, CA 921141285034652
  44. Ian Ryland, RADTLoomis, CA 956501972083194
  45. William Ryland, CADCLoomis, CA 956501356545693
  46. John RyleSacramento, CA 958411215475991
  47. Inga Rymal, M.A.Atascadero, CA 934221174947337
  48. Vicki Ryman, CAARRCeres, CA 953071467579235
  49. Dan RymelSaramento, CA 958411255607834
  50. Brenda Rynders, SAC-ITRoseville, CA 956611629453600

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.