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 207 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. Casandra Hamilton, RADTEureka, CA 955011134864861
  2. Cliffard Hamilton, C.A.S. REGISTRANTSalinas, CA 939011356524128
  3. Crystal Hamilton, R1544050124Roseville, CA 956611174385926
  4. Deane HamiltonSacramento, CA 958261285865857
  5. Deborah Hamilton, MBASan Diego, CA 921081356766067
  6. Jeramie HamiltonSan Mateo, CA 944031811610132
  7. Jessica Hamilton, CADCLincoln, CA 956481467145771
  8. Lauren HamiltonDesert Hot Springs, CA 922401417755448
  9. Michael Hamilton, CADC IINapa, CA 945591235300880
  10. Monique HamiltonFresno, CA 937061881855609
  11. Patricia HamiltonVisalia, CA 932921679027809
  12. Rochelle HamiltonOakland, CA 946061629258207
  13. Rosland HamiltonLos Angeles, CA 900291376026302
  14. Sarah HamiltonModesto, CA 953501962177980
  15. Tekla HamiltonLos Alamitos, CA 907201851796239
  16. Thomas HamiltonFresno, CA 937201912370388
  17. Traci HamiltonVacaville, CA 956881427425271
  18. Tyler HamiltonFresno, CA 937261477285211
  19. Vanessa Hamilton, SUD IISf, CA 941101083507958
  20. Edwin HamlinSanta Maria, CA 934551184768798
  21. Edwin Hamlin, PHDSanta Maria, CA 934551487864401
  22. Patricia Hamlin, CASInglewood, CA 903021356563308
  23. Sarah HamlinAtascadero, CA 934221649700345
  24. Alesha Hamm, RADT-IPollock Pines, CA 957261396243606
  25. Brandie HammSanta Ana, CA 927011205678067
  26. Cassandra Hamm, SUDStockton, CA 952031295655686
  27. Johna HammakerFullerton, CA 928321821628256
  28. Jacqueline HammerLamont, CA 932411760160998
  29. Ryan HammerLos Angeles, CA 900041861117616
  30. Yvette HammerVictorville, CA 923921013107176
  31. Neesha Hammercord, SUDRCRed Bluff, CA 960801346857075
  32. Nichole HammerstaedtSacramento, CA 958171467806737
  33. Timothy HammittSacramento, CA 958231790116127
  34. Kimberly HammondSacramento, CA 958411770805806
  35. Richard HammondClearlake, CA 954221831729201
  36. Rickey HammondVenice, CA 902911205066347
  37. Stephanie Hammond, SUDRC IIRedding, CA 960011811837677
  38. Veronica Hammond, CAADEBanning, CA 922201649302969
  39. Fred Hammonds, CADC ISan Diego, CA 921231023608700
  40. Byron HammonsEscondido, CA 920251871333138
  41. Laura HammonsOroville, CA 959651275707218
  42. John Hamner, CADC IQuincy, CA 959711417189879
  43. Wayne HamorSan Jose, CA 951181760752794
  44. Nina Hamouni, BASan Pedro, CA 907311043561897
  45. Justin Hampshire, RAD-TSanta Ana, CA 927011649843137
  46. Dart Hampton, RADTIPasadena, CA 911011902653868
  47. Elesia HamptonWest Hills, CA 913041396389581
  48. Hakim Hampton, 15369-RACFresno, CA 937051497477251
  49. Jamie Hampton, SUDRCConcord, CA 945181740909068
  50. John HamptonLos Angeles, CA 900081942420468

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.