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 206 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. Loretta HallLong Beach, CA 908131912268111
  2. Lydia Hall, COUNSELOREureka, CA 955011093843468
  3. Marc HallFrench Camp, CA 952311235648593
  4. Maria HallSan Diego, CA 921151225301864
  5. Matthew Hall, R1557560424Venice, CA 902911417799321
  6. Monique Hall, CADDTP, RASHanford, CA 932301386857209
  7. Nona HallFresno, CA 937061063741494
  8. Perry HallStockton, CA 952061891228235
  9. Ramon HallOakland, CA 946051588219877
  10. Raymond Hall, CADC IIBakersfield, CA 933051851426217
  11. Rhonda HallVista, CA 920831174091243
  12. Ronald HallSan Francisco, CA 941031104965821
  13. Ronald Hall, RADTOroville, CA 959661588520266
  14. Roselynn HallSanta Barbara, CA 931101639704901
  15. Stephanie HallMenlo Park, CA 940251922572114
  16. Stephen HallSun Valley, CA 913521598269268
  17. Tahnesia HallGardena, CA 902491871158790
  18. Tami HallCeres, CA 953071821458530
  19. Tiffany HallLong Beach, CA 908131396351052
  20. Tiffany Hall, RADTEureka, CA 955011538784707
  21. Traci HallSacramento, CA 958231407155310
  22. Angelous Hall Simmons, RW8444Bakersfield, CA 933051366954505
  23. Julie Hall-Sweaza, M.S.San Andreas, CA 952491245353432
  24. Amayah HallamModesto, CA 953501366268849
  25. Kathryn Hallford, RADIRiverside, CA 925041487844676
  26. Christy HalliburtonWhittier, CA 906041104366251
  27. Brenna HallidayModesto, CA 953501922508670
  28. Kevin HalliganSan Diego, CA 921011972461614
  29. Adam HallimenNorth Hollywood, CA 916011962014464
  30. Lauren Halliwell, RADT R1580460924San Jose, CA 951381144042888
  31. Jon HallmanSan Rafael, CA 949011902263320
  32. Amy HallmarkLancaster, CA 935341275354797
  33. Monica Halloran Sanchez, CADC IIRedwood City, CA 940631518324789
  34. Katrina HallumAnaheim, CA 928011851270391
  35. Julie Halsall, RADT-IPlacerville, CA 956671033610399
  36. Larry HalversonBerkeley, CA 947031619663770
  37. Leanna HalvorsenSanta Rosa, CA 954091871348326
  38. Jonathan Halyalkar, CADC-IINorth Hollywood, CA 916051033620968
  39. Jamie Hamakawa, BSChico, CA 959261942502299
  40. Elizabeth HamalaLong Beach, CA 908041316620388
  41. Sharis HambarchianNorth Hollywood, CA 916011770191702
  42. Alex Hamberis, RASSanta Rosa, CA 954091073713145
  43. Alyssa HamblenSan Rafael, CA 949011407749930
  44. Robert HambrickSan Diego, CA 921151659617934
  45. Floria HamdamEncino, CA 913161841842986
  46. Paula HamdorfSanta Rosa, CA 954031750062949
  47. Wajeedah HameedOakland, CA 946091588791487
  48. Kathy HamelEl Cajon, CA 920201407265325
  49. Tillman HamielSacramento, CA 958231952758732
  50. Carl HamiltonSan Rafael, CA 949011306456314

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.