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 308 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. Jason MarshallOrange, CA 928681770932709
  2. John Marshall, SUDCCSan Diego, CA 921031285394114
  3. Justin MarshallFresno, CA 937281235654567
  4. Kalen MarshallPasadena, CA 911071558296509
  5. Keith Marshall, PSY.D, MHD,C.A.T.C VPasadena, CA 911071760753867
  6. Kenneth MarshallAntioch, CA 945091871410829
  7. Korina Marshall, RADTSun Valley, CA 913521427534031
  8. Labren MarshallLos Angeles, CA 900621629266101
  9. Laurie MarshallEscondido, CA 920251407681372
  10. Linda Marshall, R.A.S.Thousand Oaks, CA 913601861517864
  11. Lorena MarshallColton, CA 923241295126134
  12. Michelle Marshall, RADTRedding, CA 960021144853177
  13. Monique MarshallLos Angeles, CA 900371780845388
  14. Pamela Marshall, CDCTarzana, CA 913561821119009
  15. Phillip MarshallOakland, CA 946031720966187
  16. Precious MarshallSan Rafael, CA 949011285287854
  17. Rhonda MarshallOakland, CA 946071962634964
  18. Shavonne MarshallCanoga Park, CA 913031275792681
  19. Sheila MarshallRiverside, CA 925011770060790
  20. Thomas MarshallMariposa, CA 953381740497999
  21. Tiffany Marshall, SUDCCVisalia, CA 932771760100945
  22. Tracy MarshallSkyforest, CA 923851114117884
  23. Tracy Marshall, CADC IIILaguna Hills, CA 926531982437893
  24. Venus MarshallHesperia, CA 923451972805489
  25. Shellagh Marshall-Young, CAS IIOrange, CA 928681013290253
  26. Dennis Martel, CADC LLFullerton, CA 928321770251399
  27. Lisa MartelSanta Barbara, CA 931101033410287
  28. Mary-Ellouise MartellSanta Ana, CA 927071588337836
  29. Richard MartelliFresno, CA 937061912515297
  30. Jeannette MartelloSan Jose, CA 951381558972695
  31. Alene MartinTarzana, CA 913561033883350
  32. Alyssa Martin, RADTTrabuco Canyon, CA 926791447875844
  33. Amy Martin, CADCIIBakersfield, CA 933071326293648
  34. Andrea MartinSacramento, CA 958411003292749
  35. Anthony MartinSacramento, CA 958171548760861
  36. Belissa MartinColton, CA 923241043035140
  37. Bradley MartinNorth Hollywood, CA 916011639788086
  38. Brandy MartinStanton, CA 906801467816454
  39. Brian Martin, CADTP 10386Fresno, CA 937061609655935
  40. Brittany MartinWest Hollywood, CA 900461518700921
  41. Brittany MartinFresno, CA 937261447082060
  42. Bruce Martin, RRWEscondido, CA 920251437403649
  43. Carolann MartinLong Beach, CA 908131801015730
  44. Cheyenne MartinLake Elsinore, CA 925301538997457
  45. Clover MartinUkiah, CA 954821265611156
  46. Daniel MartinSanta Fe Springs, CA 906701255988648
  47. Daniel MartinSan Pedro, CA 907311750112611
  48. Darrin MartinOrange, CA 928681790308690
  49. David MartinSanta Maria, CA 934541871882506
  50. Debora Martin, MA, LCADCSanta Ana, CA 927011972720001

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.