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 128 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. Vivianna DibelloSanta Rosa, CA 954051861088668
  2. Jacqueline DiblasiWest Covina, CA 917911417718909
  3. Carl Dick, SUDRC 13422Sacramento, CA 958251972280063
  4. Natalie Dick, RADTYucca Valley, CA 922841932693819
  5. Deborah DickensYreka, CA 960971194820787
  6. Dennis Dickens, RADT ISan Diego, CA 921021841839545
  7. Kayla DickensRoseville, CA 956611841024627
  8. Courtney DickensonMartinez, CA 945531932826484
  9. Renee Dicker, RADTModesto, CA 953501598319626
  10. Artena DickersonSan Francisco, CA 941171063872760
  11. Mary DickersonRedding, CA 960021801411863
  12. Melissa DickersonFresno, CA 937261841474830
  13. Tashawn DickersonModesto, CA 953501235052093
  14. Heather DickeyModesto, CA 953501548978588
  15. Diane DickinsonSacramento, CA 958381831361294
  16. Keith Dickson, RADTSun Valley, CA 913521245967611
  17. Leonard DicksonLos Angeles, CA 900371295272516
  18. Jessica Diehl, RADTFresno, CA 937061417707399
  19. Stephan DiehlSan Diego, CA 921051144921370
  20. Darryl Diehr, CATCFresno, CA 937261639579436
  21. Mary Kathleen DiekmannSun Valley, CA 913521629635388
  22. Lori DiequezRiverside, CA 925041245537497
  23. Eric DierkerSpring Valley, CA 919771215712492
  24. Anthony DietelTarzana, CA 913561902678063
  25. Brett DiettingerSanta Maria, CA 934541245757434
  26. Ricky DiffenderferMorgan Hill, CA 950371982888517
  27. Michele Diffey HughesFresno, CA 937271548052046
  28. Terri DiffleySanta Paula, CA 930601437575099
  29. Denise DigeronimoGilroy, CA 950201083970412
  30. Sachin Diggeden, RAD-TLos Angeles, CA 900361518714369
  31. Karen Diggins, CADC IDesert Hot Springs, CA 922401013380468
  32. Lawrence DiggsHemet, CA 925431336562784
  33. Maarten DijkstraMission Viejo, CA 926911235774498
  34. Ryan DillNewport Beach, CA 926601720669799
  35. Gary DillahuntyVallejo, CA 945901659564623
  36. Charmaine DillardLancaster, CA 935341801618582
  37. Henry DillardHayward, CA 945441265617195
  38. Larry DillardAuburn, CA 956031629246053
  39. Melissa DillonRedding, CA 960021619503752
  40. Natalie DillonVista, CA 920831205492188
  41. Patrick DillonDesert Hot Springs, CA 922401841663291
  42. Sarah Dillon, MSWRedding, CA 960021356273049
  43. Jaime DiluigiVan Nuys, CA 914111013323534
  44. Mary Dimasi, SUDRCSan Diego, CA 921011174380521
  45. Gary DimattioLancaster, CA 935341609171362
  46. Monique DimodicaLong Beach, CA 908041689402349
  47. Giorgio DimopoulosPomona, CA 917671144520842
  48. Manouela DimovaRoseville, CA 956611003652231
  49. Wendy Dina, RADTTrabuco Canyon, CA 926791437915345
  50. Nancy DinantCeres, CA 953071306087010

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.