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 126 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. Alfred DevinSan Pedro, CA 907311225453277
  2. Michael DevitoSan Diego, CA 921021972303873
  3. Timothy Devitt, CADC 1Los Angeles, CA 900481861840241
  4. Michael Devlin, SUBSTANCE ABUSE COUNDesert Hot Springs, CA 922401326607292
  5. Alexander DevoraBakersfield, CA 933051689139420
  6. Lori DevoreEscondido, CA 920251780716761
  7. Myra Devore, M.A.San Francisco, CA 941091588702138
  8. Steven DevoteBloomington, CA 923161730060757
  9. Derek DevriesFrench Camp, CA 952311467277855
  10. Peter DevriesSan Jacinto, CA 925831255570982
  11. Sheryl DewaldSanta Maria, CA 934541023447257
  12. Debbie DewaltFresno, CA 937061669984597
  13. Ryan DeweesTorrance, CA 905031740114347
  14. Cassandra DeweyLong Beach, CA 908101649746215
  15. Danielle DeweySan Bernardino, CA 924101386314227
  16. Paul DeweyNorth Hollywood, CA 916021770828840
  17. Kevin DewindtAnaheim, CA 928061679660369
  18. Kimberly DewittSanta Barbara, CA 931021598698961
  19. Alexander Dewolfe, RADTSan Anselmo, CA 949601801305560
  20. Loveleen DhaliwalModesto, CA 953501346761830
  21. Jagdip DhandaFowler, CA 936251194960005
  22. Serena DhanowaRoseville, CA 956611366035867
  23. Natasha DhillonBakersfield, CA 933051578288825
  24. Reenu DhillonTurlock, CA 953801235325531
  25. Ravi DhruvPasadena, CA 911031194354167
  26. Christopher Di DomenicoSacramento, CA 958271649746900
  27. Andrea Di LisioOrange, CA 928681396375234
  28. Dionna Di PumaSanta Cruz, CA 950621851022230
  29. Venus Diago, LPTOxnard, CA 930331073664215
  30. Rickey DialBerkeley, CA 947021366758732
  31. Shaun DialHemet, CA 925431194535526
  32. Kathryn DialloPort Hueneme, CA 930411982822607
  33. Brianna Diamond, BA, RADTSanta Ana, CA 927011306608930
  34. Dyan DiamondChico, CA 959731265814156
  35. Jerett DiamondSouth Lake Tahoe, CA 961501356521934
  36. Whitney DiasModesto, CA 953501679902258
  37. Adrian DiazSan Bernardino, CA 924051437682820
  38. Alejandra DiazGardena, CA 902491568079408
  39. Andrew DiazAnaheim, CA 928051992671432
  40. Anthony DiazBloomington, CA 923161942846183
  41. Armando Diaz, 16788-RACConcord, CA 945201083590798
  42. Audrea DiazRedlands, CA 923741275744674
  43. Brigitte Diaz, RADTWoodland Hills, CA 913671114793361
  44. Christina DiazSan Jacinto, CA 925831912446824
  45. Christine DiazSanta Maria, CA 934541134445869
  46. Daniel DiazSan Bernardino, CA 924151700465507
  47. Darlene DiazPomona, CA 917681366814915
  48. David DiazChula Vista, CA 919101982103842
  49. Douglas Diaz, RADT IIMurrieta, CA 925621649708793
  50. Elizabeth DiazStockton, CA 952191477730547

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.