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 462 of 555.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 101YA0400X · method

Los Angeles has the most, 2,101

Addiction (Substance Use Disorder) Counselor records in California

  1. Gary Sherwin, AODWestlake Village, CA 913611194327502
  2. Lilia SheshukovaVan Nuys, CA 914111104151513
  3. Paula ShetroneOroville, CA 959651740798669
  4. Jasmine SheuSan Jose, CA 951261659138006
  5. Evelyn ShiehWilmington, CA 907441225405814
  6. Brandy ShieldsPerris, CA 925711992022487
  7. John Shields, C.A.D.C.Loyalton, CA 961181306040563
  8. Nathan Shields, RADTSan Diego, CA 921021477211803
  9. Richard ShieldsEl Cajon, CA 920201295591048
  10. Robert ShieldsDesert Hot Springs, CA 922401689565970
  11. Russell ShieldsSanta Rosa, CA 954051336385160
  12. Shana ShieldsFresno, CA 937011659848273
  13. Sharon ShieldsSanta Rosa, CA 954041265859763
  14. Summer ShieldsCompton, CA 902201124372610
  15. Danielle ShierRiverside, CA 925041609664879
  16. Brooke ShigematsuFrench Camp, CA 952311487210597
  17. Anna ShigetaOakland, CA 946061871744847
  18. Molly ShigetaSanta Ana, CA 927011316426067
  19. Clifford ShiklerHawthorne, CA 902501457168031
  20. Jeanette ShimanPorterville, CA 932571144702291
  21. Ryan Shimokubo, CADC-IILong Beach, CA 908151407383169
  22. Chae ShinVista, CA 920831164907994
  23. Timothy ShinSan Pedro, CA 907311689391708
  24. Pooja ShindeLos Angeles, CA 900111942890934
  25. Tamar ShineLos Angeles, CA 900341265112460
  26. Eric ShinguFrench Camp, CA 952311700299153
  27. Lonnie Shipley, CADCIIMurrieta, CA 925621144791468
  28. Margaret ShipleyConcord, CA 945201801022231
  29. Parmida ShiraziNorth Hollywood, CA 916011649751504
  30. Gerald Shirey, CADC-II, ICADCCampo, CA 919061629554803
  31. Steven Shirk, 16464-RACFullerton, CA 928331669254744
  32. Jeanette ShirleySacramento, CA 958161447450580
  33. Karen Shirley, SUDCC11Roseville, CA 956611669969416
  34. Patricia Shirley, CADC2San Francisco, CA 941031316746415
  35. Patricia ShirleyConcord, CA 945191992942866
  36. Phillip ShirleyNorth Hollywood, CA 916011891687760
  37. Randy Shirley, CADC IISan Francisco, CA 941031114065836
  38. Ayodele Shittu, CATC IBellflower, CA 907061982118923
  39. Ashley ShivelyWest Sacramento, CA 956051457589574
  40. Melissa Shively, CADCIISanta Ana, CA 927051790329191
  41. Michelle ShivelyEureka, CA 955011679233811
  42. Sally ShivelyPomona, CA 917671114706298
  43. Timothy Shocklee, 2113397 IRiverside, CA 925071891330536
  44. Bailey ShockleyRoseville, CA 956611962265462
  45. Jamie ShoemakerLos Angeles, CA 900451194248377
  46. Shadi Shojue Rastegar, RADTTarzana, CA 913561144094806
  47. Seema ShokoohChico, CA 959261487382446
  48. Karen ShomuraSan Jose, CA 951191487892923
  49. Kevin ShoneSan Francisco, CA 941021730466855
  50. Cody ShoreLos Angeles, CA 900121740781012

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.