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 466 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. Cynthia SimpsonSan Diego, CA 921021285148403
  2. Elisha SimpsonFresno, CA 937061609456557
  3. Garrick SimpsonSacramento, CA 958381093913014
  4. Leonard SimpsonLong Beach, CA 908071720392475
  5. Mariah Simpson, MA, LAADCAuburn, CA 956031306426499
  6. Shaunna Simpson, RADT-1Sacramento, CA 958231053957316
  7. Thomas Simpson, AODSanta Barbara, CA 931011497216261
  8. Tyler SimpsonSan Leandro, CA 945781972832061
  9. Cathleen Simpson-DennisOroville, CA 959651497013247
  10. Andrew SimsTarzana, CA 913561508549411
  11. Anisa Sims, AD COUNSELORSacramento, CA 958331952931487
  12. Brianna Sims, RADTTrabuco Canyon, CA 926791487345211
  13. Bryan SimsLemon Grove, CA 919451053068882
  14. Calvert SimsSun Valley, CA 913521659525319
  15. Cathy Sims, C.A.T.C. 101776Redwood City, CA 940631336436518
  16. Darlene SimsBarstow, CA 923111114191475
  17. Darryl SimsSan Francisco, CA 941031497008106
  18. Dina SimsHollister, CA 950231316709215
  19. Fanica SimsSacramento, CA 958231578195301
  20. Kelly SimsLong Beach, CA 908101154822518
  21. Melissa SimsOceanside, CA 920581750926200
  22. Valerie SimsTracy, CA 953761700129764
  23. Cecelia Sims-FranklinChula Vista, CA 919111073899936
  24. Kiara Simser, SUD COUNSELORLemon Grove, CA 919451285306506
  25. Argentina SinclairSouth San Francisco, CA 940801003016189
  26. Jane Sinclair, MFT, MSNSan Diego, CA 921101134356264
  27. Marci SinclairTarzana, CA 913561235327602
  28. Charlie SingerLos Angeles, CA 900341104469006
  29. Dylan SingerPasadena, CA 911031588331532
  30. Miranda SingerSacramento, CA 958161144842360
  31. Ana SinghRiverside, CA 925031871323808
  32. Austin SinghAnaheim, CA 928011306660238
  33. Gursimran SinghRoseville, CA 956611245873173
  34. Harveen SinghSan Diego, CA 921231982265013
  35. Jasmine SinghChatsworth, CA 913111376884106
  36. Martha SinghEl Centro, CA 922431578696688
  37. Meghna SinghSan Mateo, CA 944031285418822
  38. Raskarn SinghCeres, CA 953071891587408
  39. Ravinder SinghFresno, CA 937061871777904
  40. Ricky SinghSacramento, CA 958151104622562
  41. Sandesh Singh, RASISanta Rosa, CA 954091033423355
  42. Michelle SingletarySan Francisco, CA 941031215481528
  43. Darryl SingletonOrange, CA 928671154506467
  44. Lee SingletonChino, CA 917101154646909
  45. Robert Singleton, CADC-CASFresno, CA 937061083992903
  46. Samantha SingletonVisalia, CA 932771275756306
  47. Starla SingletonLos Angeles, CA 900471144572702
  48. Patryc Sinkfield-CountsOntario, CA 917621205220878
  49. Timothy Sinnott, LMFT, LAADCWatsonville, CA 950761205205978
  50. Rudy SinohuiSouth Gate, CA 902801457497844

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.