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 463 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. Katherine ShoreCarmichael, CA 956081477201044
  2. Carrie Short, CATC IVentura, CA 930031619718517
  3. David ShortRedding, CA 960021255902086
  4. Julia ShortSan Jose, CA 951121922938885
  5. Nathan ShortRedding, CA 960021659967891
  6. Shane ShortSanta Rosa, CA 954031528625738
  7. Susan ShortYucca Valley, CA 922841881885283
  8. Brandon Shortnacy, RADT1Fresno, CA 937261326911876
  9. Ilena Shortt, CADC-CASRedding, CA 960011205339751
  10. Guadalupe Shott With Two ArrowsLompoc, CA 934361114506177
  11. Creston ShowenModesto, CA 953511801627369
  12. Laura Shrader, PSY.D.Stockton, CA 952101164737276
  13. Nicole Shreve, SUDRC 1Redding, CA 960021124956495
  14. Robert Shrubb, RADTSan Pedro, CA 907311811758220
  15. Brian ShubertFresno, CA 937261174266704
  16. Imani ShubinSanta Rosa, CA 954091922782580
  17. Paul ShubinColton, CA 923241841824661
  18. Andrew ShulenbergerOrange, CA 928681033785233
  19. Jennifer Shullen, A.A., B.A, AOD CERT.Van Nuys, CA 914011225351513
  20. Samson ShulmanSanta Barbara, CA 931011770358053
  21. Barbara Shultz, SUDCC IILancaster, CA 935341649690454
  22. M Rena ShumwayTehachapi, CA 935611891823225
  23. Blake Shupe, AOD COUNSELORUkiah, CA 954821609359090
  24. Sergei ShupletsovVan Nuys, CA 914111609013911
  25. Kateryna ShustRoseville, CA 956781235901182
  26. Jennifer ShwachmanAnaheim, CA 928011477377133
  27. Trevar ShyshkaSan Jose, CA 951101609324433
  28. Rosalba SiasHanford, CA 932301679147912
  29. Richard Sible, RADLHesperia, CA 923451487798245
  30. Leigh SibolboroLos Alamitos, CA 907201063055846
  31. Estrella SicairosFresno, CA 937261245977479
  32. Steven SiddellPasadena, CA 911041386164135
  33. Gursharn Sidhu, RADTSan Jose, CA 951121174087662
  34. Anne SidlauskasStockton, CA 952021336859339
  35. Melissa Sidnam, M.A.Clayton, CA 945171306217898
  36. Cameron SidneyPomona, CA 917671003317488
  37. Margaret SidunSan Mateo, CA 944031962209270
  38. Faith SiebeScotts Valley, CA 950661548111446
  39. Sandra SiedenburgTehachapi, CA 935611518473180
  40. Adam Siegel, RADTLos Angeles, CA 900341891310256
  41. Colleen SiegelEscondido, CA 920251265817613
  42. Kevin SiegelTarzana, CA 913561376213082
  43. Desiree SierraLong Beach, CA 908131114147865
  44. Janie SierraEl Cajon, CA 920201942918479
  45. Jessica SierraRedwood City, CA 940631700604147
  46. Johnny SierraFair Oaks, CA 956281285506766
  47. Daniela Sierra MirandaLos Angeles, CA 900131780301341
  48. Angelica Sifuentes, SUDRCVisalia, CA 932771609598606
  49. Margarita SifuentesLos Angeles, CA 900331760276455
  50. Aaliyah SigalaLos Angeles, CA 900061699604983

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.