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 71 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. Diana CalderonSanta Maria, CA 934541174751010
  2. Gregory CalderonFresno, CA 937201659678431
  3. Jocelyne CalderonChula Vista, CA 919111447926761
  4. Juan CalderonLong Beach, CA 908041164774873
  5. Nicolette CalderonOntario, CA 917611093503724
  6. Suzanna CalderonNapa, CA 945591457556250
  7. Veronica CalderonRedwood City, CA 940631508517830
  8. Areli Calderon OleaEscondido, CA 920251235896747
  9. Jamie CalderoniLos Angeles, CA 900041902661630
  10. Edward CaldroniEscondido, CA 920251043844939
  11. Alberta CaldwellChico, CA 959261962912642
  12. Anthony CaldwellTorrance, CA 905021558831388
  13. Bailey Caldwell, RADTTrabuco Canyon, CA 926791154900793
  14. Carly CaldwellLos Alamitos, CA 907201073011805
  15. Ernest CaldwellCompton, CA 902201689947244
  16. Letisha CaldwellFresno, CA 937011104175918
  17. Lora Caldwell, MA, CATC IVTrabuco Canyon, CA 926791104129808
  18. Peter Caldwell, BALos Angeles, CA 900351811029952
  19. Sarah CaldwellBloomington, CA 923161285393884
  20. Sarah Caldwell, SUDRC IIGuerneville, CA 954461760345797
  21. Timothy CaldwellAuburn, CA 956021851708937
  22. Aaron Cale, RADT-ISan Diego, CA 921021578439972
  23. Anthony CalhounNewhall, CA 913211356886055
  24. Bradford CalhounSanta Barbara, CA 931011568202877
  25. Terri CalhounSacramento, CA 958411205147949
  26. Mona Calhoun-CollinsSan Jose, CA 951381912376369
  27. Charles Cali, CADC-1Sacramento, CA 958261659808954
  28. Anne CalicaVentura, CA 930031851549554
  29. Michele CalifanoSan Marcos, CA 920691073114344
  30. Debra Califia, MAAtascadero, CA 934221033590856
  31. Dante CalimonLong Beach, CA 908061891946273
  32. Alyssa CalimpongGilroy, CA 950201417102443
  33. Gloria CalixtoLong Beach, CA 908041629281746
  34. Douglas CalkinNapa, CA 945581134468119
  35. Lisa CallSalinas, CA 939011710720404
  36. Rebecca CallagherSacramento, CA 958271679859508
  37. Colleen Callahan, CADC IIBanning, CA 922201104394709
  38. Kristine CallahanFullerton, CA 928321679039333
  39. Layla Callahan, RADTGrass Valley, CA 959451720633589
  40. Shymane CallahanLos Angeles, CA 900441053898569
  41. Sadie CallananChula Vista, CA 919111033610035
  42. Michell CallawaySan Francisco, CA 941031255791133
  43. Yvonne CallawayFresno, CA 937051235775560
  44. Javier CallejasLincoln Heights, CA 900311831987528
  45. Chimere CallisEl Cajon, CA 920201831953710
  46. Kathleen CallisonReseda, CA 913351700211760
  47. Lisa Callison, RADTGrass Valley, CA 959451427800887
  48. Keith CallowLos Angeles, CA 900591326899261
  49. Richard CalmetLong Beach, CA 908041891286514
  50. Lillian CaloCanoga Park, CA 913071780431478

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.