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 317 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. Gabrielle MayerSanta Monica, CA 904051982205985
  2. Shirley MayerakOroville, CA 959651912202284
  3. Valerie MayersVenice, CA 902911164113619
  4. Deborah Mayes, AMFTBell, CA 902011245793843
  5. Malcolm MayesLincoln Heights, CA 900311457295081
  6. Jacqueline Mayes-PehlNeedles, CA 923631407046212
  7. Maya MayfieldChico, CA 959261568772341
  8. Norma MayfieldIndio, CA 922011962254961
  9. Sofala MayfieldSan Francisco, CA 941071083752711
  10. Connie MaynardVisalia, CA 932771386855229
  11. Joseph Mayner, R1555880424Barstow, CA 923111871451427
  12. David Mayo, CASHemet, CA 925441205011251
  13. Jason MayoChula Vista, CA 919111629602545
  14. Laurel Mayo, RADTVista, CA 920831538814694
  15. Myiesha MayoSan Bernardino, CA 924051205374733
  16. Ronnell MayorNorth Hollywood, CA 916011821864679
  17. Diana MayoralLos Angeles, CA 900291841086931
  18. Andres Mayorga, RADTGarden Grove, CA 928401104657535
  19. Corina MayorgaLancaster, CA 935351255109690
  20. Marillac Mayorga, COUNSELORSan Francisco, CA 941101932234531
  21. Carrie MaysCulver City, CA 902301043609191
  22. Chris Mays, C20591214Lancaster, CA 935341710752712
  23. Dewey MaysWilmington, CA 907441609584051
  24. Julia MaysBerkeley, CA 947031255205373
  25. Kaylyn MaysTruckee, CA 961611174466163
  26. Kurt MaysModesto, CA 953501891257184
  27. Lamar Mays, CADC-I, SUDCC-IDelano, CA 932151275150633
  28. Mia MaysGardena, CA 902491265966477
  29. Michael MaysSanta Fe Springs, CA 906701720686587
  30. Nora MaysDiamond Springs, CA 956191730604091
  31. Paris Mays, CADPT SUDRC #9854San Francisco, CA 941101932745866
  32. Thomas Mays, NRDTAuburn, CA 956021144793100
  33. Kimberly Mayse, RADTVisalia, CA 932771275229262
  34. Omid MazaheriSanta Ana, CA 927011447116942
  35. Ramiro MazariegoLos Angeles, CA 900151538391958
  36. Dario MazariegosCommerce, CA 900401457784480
  37. Ellen MazinHuntington Park, CA 902551659537645
  38. Ramon MazonVisalia, CA 932911639399579
  39. Gregg Mazzariello, CCAPP COUNSELORSan Rafael, CA 949011316440175
  40. Christopher MazzoSanta Rosa, CA 954031861024499
  41. John MbuguaLos Angeles, CA 900431043727688
  42. Lori Mc AllenNapa, CA 945581699212415
  43. Diane Mc AllisterSan Francisco, CA 941031750551115
  44. Dominique Mc Dowell, CADC-CASSan Rafael, CA 949121881059210
  45. De Marquis Mc HenrySan Rafael, CA 949031740936889
  46. Jill Mc KenziePomona, CA 917671386835957
  47. Christine Mc MillanSan Jacinto, CA 925831164696704
  48. Anna Marie Mc Murtry, CCAPP R1420470221Lancaster, CA 935341801568829
  49. Marie Mc NeilSan Francisco, CA 941171619031721
  50. Felicia McAdamsLos Alamitos, CA 907201760363790

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.