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 542 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. Robert Willis, R.R.W.Tarzana, CA 913561497966881
  2. Roger Willis, MA, OPT, SUDSacramento, CA 958231770056491
  3. Rory WillisSanta Cruz, CA 950601952552028
  4. Valerie WillisGardena, CA 902491366681835
  5. Katie WillkomSanta Fe Springs, CA 906701417467184
  6. Nicholle WillkomSanta Fe Springs, CA 906701477317469
  7. Brady WillmonSimi Valley, CA 930651902603848
  8. James WillockSalinas, CA 939011548199409
  9. Julie WilloughbySan Francisco, CA 941161225611791
  10. Mark WilloughbyEl Monte, CA 917321174038756
  11. Frank WillsClaremont, CA 917111255278982
  12. Jennifer WillseySan Diego, CA 921021376472233
  13. Kamarr Wilmington Richee, M.C.Santa Ana, CA 927051982975660
  14. Matthew WilmotSanta Paula, CA 930601962027987
  15. Bryan Wilmoth, CATC-IIIIndio, CA 922011063942142
  16. Daniel WilseySacramento, CA 958411396907671
  17. Aaron WilsonSanta Monica, CA 904041669993382
  18. Alma WilsonSacramento, CA 958411760017784
  19. Andrew Wilson, CDACICarmichael, CA 956081528677580
  20. Angela WilsonStanton, CA 906801245446939
  21. Billy Wilson, CADC-CASCampo, CA 919061518577493
  22. Brian WilsonAnaheim, CA 928051801784483
  23. Brianne Wilson, RADTTrabuco Canyon, CA 926791710501580
  24. Brigitte WilsonFairfield, CA 945331568726925
  25. Bryant WilsonSan Andreas, CA 952491982741443
  26. Casper WilsonVista, CA 920831689440026
  27. Cassandra WilsonEast Palo Alto, CA 943031629419734
  28. Catherine WilsonLos Angeles, CA 900221447481171
  29. Catherine Wilson, CASSeaside, CA 939551770766867
  30. Cheryl WilsonLemon Grove, CA 919451891902078
  31. Christian WilsonLancaster, CA 935341619890951
  32. Christie WilsonBakersfield, CA 933011336647585
  33. Coral Wilson, RADTSacramento, CA 958171063919769
  34. Craig Wilson, R.S.San Diego, CA 921101639494354
  35. Curtis WilsonOakland, CA 946211730535089
  36. Dale WilsonSan Leandro, CA 945781619537321
  37. Deborah WilsonPanorama City, CA 914021467291484
  38. Denise Wilson, CADC-CASRedding, CA 960021932731734
  39. Dewight Wilson, RADT1Vallejo, CA 945901699221945
  40. Dwayne WilsonBakersfield, CA 933011093844839
  41. Dwayne WilsonFresno, CA 937011841621612
  42. Edward Wilson, RASRolling Hills Estates, CA 902741619286713
  43. Elizabeth WilsonNewark, CA 945601023228442
  44. Fiona WilsonEureka, CA 955011750225827
  45. Francois WilsonLong Beach, CA 908131023387453
  46. Gay WilsonFresno, CA 937261770033680
  47. Gwen WilsonInglewood, CA 903011285941708
  48. Iyana WilsonStockton, CA 952101265132401
  49. Jacqueline Wilson, CADCII ICADCLos Alamitos, CA 907201518327915
  50. Jamie WilsonLancaster, CA 935341770055808

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.