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 457 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. Sean Seitz, CSAASVentura, CA 930011235343435
  2. Alice SeitzerWatsonville, CA 950761457752487
  3. Nancy Sekizawa, CADC-CASInglewood, CA 903021295278638
  4. Stephanie Selevitch, RACSan Diego, CA 921051588406391
  5. Yevgeniya SeleznyevVan Nuys, CA 914111386862357
  6. Amanda Self, SUDRC 13199Sacramento, CA 958381023751393
  7. Darlene Self, LPTMarysville, CA 959011215211321
  8. Kimberly Self, CADC-1Santa Ana, CA 927011487123873
  9. Silvia SelfPalmdale, CA 935501326562448
  10. Sylvan SeligSan Mateo, CA 944021114324944
  11. Cynthia SelimReseda, CA 913351801128392
  12. Lisa SelizOntario, CA 917621194874495
  13. Dene SelkinMarina Del Rey, CA 902921003244302
  14. Jennifer SellsFrench Camp, CA 952311538532726
  15. Alice SelluStockton, CA 952101437354891
  16. Candace Selover, PSYDMartinez, CA 945531225222342
  17. Sathana SelvamSanta Barbara, CA 931011528980869
  18. Keith SelwaLawndale, CA 902601447968110
  19. Marcia Selz, PH.D.Los Angeles, CA 900341750923165
  20. Christina SemeskiSanta Rosa, CA 954011235091794
  21. Hanibal Semien, CAADACLos Angeles, CA 900431154650984
  22. Robert SemischCarmichael, CA 956081285148155
  23. Samuel Semple, RADT-INewport Beach, CA 926601972379386
  24. Ruben SenaDowney, CA 902411104645431
  25. Doreen SendigSan Jose, CA 951261467827246
  26. Mickey SenescallWoodland, CA 956951114132198
  27. Monireath SengLong Beach, CA 908061568158962
  28. Lisa SenkelSeaside, CA 939551124659545
  29. Rebecca Senter, BA, CATCTorrance, CA 905011194246819
  30. Tina Sentner, CADC II, LAADC-NRSanta Cruz, CA 950601396015426
  31. Barbara Senzee, CATC ISan Diego, CA 921101548681273
  32. Stephanie SepedaUpland, CA 917861790215267
  33. Kaley SerapinAnaheim, CA 928011255155099
  34. Julius SerentasChula Vista, CA 919101518683432
  35. Monique SergeeffSacramento, CA 958251003357302
  36. Cristina SerhanManteca, CA 953371376013425
  37. Juanita SermenoFresno, CA 937271639308158
  38. Alanna SernaBakersfield, CA 933091477174175
  39. Alejandro Serna, CADC-CASOceanside, CA 920561033327317
  40. Andrea SernaNational City, CA 919501497306344
  41. Arthur SernaFrench Camp, CA 952311083838486
  42. Christopher Serna, CPSSCampo, CA 919061104712090
  43. Veronica SernaFresno, CA 937031992197586
  44. Michael SerpaMarysville, CA 959011376406827
  45. Michelle SerpasSan Francisco, CA 941031407368467
  46. Anthony SerranoFullerton, CA 928321407064108
  47. Dominic Serrano, RADTMerced, CA 953401346162682
  48. Ed SerranoPasadena, CA 911031760857858
  49. Emilio SerranoLancaster, CA 935341104245059
  50. Jaime SerranoLos Angeles, CA 900571396671814

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.