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 527 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. Brian Wallace, RADT 1San Diego, CA 921111861939845
  2. Caitlin WallaceOakland, CA 946011649925728
  3. Darius WallaceSalinas, CA 939011093487357
  4. David WallaceLincoln Heights, CA 900311962337766
  5. Doreen WallaceRancho Cordova, CA 956701467600999
  6. Evan Wallace, RADTSan Diego, CA 921021497226229
  7. Everett WallaceIndio, CA 922011528655107
  8. Jamie Wallace, SUD COUNSELORVallejo, CA 945901972447209
  9. Janice WallaceLancaster, CA 935341801156427
  10. Janna Wallace, RADTIPlacerville, CA 956671750766937
  11. Jennifer WallacePalmdale, CA 935501205483849
  12. Jennifer Wallace, SUDRCSanta Rosa, CA 954041508532953
  13. Jiles Wallace, RADTSan Francisco, CA 941171942187067
  14. Jodee WallaceLos Angeles, CA 900621508044173
  15. Kristina WallaceSan Francisco, CA 941031629498175
  16. Lindsay Wallace, RASAnaheim, CA 928061225315476
  17. Manuel Wallace, SUD IOxnard, CA 930361477320174
  18. Melany WallaceLong Beach, CA 908131003117284
  19. Melissa Wallace, SUDCCFresno, CA 937061881189181
  20. Michael WallaceRedwood City, CA 940631225579899
  21. Michelle WallaceLong Beach, CA 908051356501241
  22. Ohagi WallaceLos Angeles, CA 900111396591830
  23. Patricia Wallace, CATCCamarillo, CA 930101447553300
  24. Patrick WallaceSan Diego, CA 921131376184408
  25. Thomas WallaceVisalia, CA 932771275945354
  26. Laura Wallace- JenningsEl Cajon, CA 920201487460788
  27. Sophia Wallace-BoydMerced, CA 953411922719558
  28. Terrence WallerNorth Hollywood, CA 916051346916863
  29. Wynton WallersLos Angeles, CA 900621376713693
  30. Timothy WalletOxnard, CA 930331881087831
  31. Heather WallinChico, CA 959261114571205
  32. Alexandria WallsSpring Valley, CA 919781881283356
  33. David Walls, MFCCSan Diego, CA 921031386852887
  34. Edward WallsFullerton, CA 928321871907972
  35. Lillie Walls, RADTLos Angeles, CA 900031740746759
  36. Martin WallsColton, CA 923241356861959
  37. Roxy Walnum, M.A., R.A.S.San Diego, CA 921051700109865
  38. Marilynne Walpole, CADC L CAEureka, CA 955011043965700
  39. Aaron WalrathMarysville, CA 959011417487679
  40. Daniel WalshLos Alamitos, CA 907201194210104
  41. Gregory WalshTarzana, CA 913561023539251
  42. Mary WalshSan Diego, CA 921081235603721
  43. Michael WalshSanta Rosa, CA 954031639210982
  44. Patrick WalshSacramento, CA 958261396192506
  45. Rachel WalshSanta Barbara, CA 931101275046450
  46. Sela WalshModesto, CA 953501750107058
  47. Carolyn Walstein, BSWSan Diego, CA 921131780987065
  48. Danielle WalterSan Jose, CA 951191245589415
  49. James WalterSan Francisco, CA 941031841335825
  50. John WalterSanta Fe Springs, CA 906701316786692

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.