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 178 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. Nedra GaspardLos Angeles, CA 900131376179804
  2. Colleen Gass, CI32250321Los Angeles, CA 900681811712052
  3. Mark GassVista, CA 920831679069389
  4. Joseph GassettAntioch, CA 945091699272245
  5. Sharon Gassett, RASIIIThousand Oaks, CA 913601881741296
  6. Isabel GasteazoroRedding, CA 960021770159261
  7. Rudy GasteloGilroy, CA 950201386902195
  8. Eliseo GastelumFairfield, CA 945331528122975
  9. Elizabeth GastelumLong Beach, CA 908051982269932
  10. Janice GastelumEl Monte, CA 917311386953149
  11. Lynette GastelumSan Diego, CA 921041700669595
  12. Bonnie GastonLos Angeles, CA 900371386922656
  13. Jeneice GastonChico, CA 959261982489043
  14. Kenya GastonFrench Camp, CA 952311104430925
  15. Leah GastonCitrus Heights, CA 956101568847622
  16. Angel GatchelDixon, CA 956201902451669
  17. Chelsea Gatdula, RADTSanta Ana, CA 927041033871348
  18. David Gates, RADTEscondido, CA 920251972183200
  19. Linda GatesSacramento, CA 958261568348944
  20. Trivera GatesFair Oaks, CA 956281871369546
  21. Freda Gates-JohnsonEast Palo Alto, CA 943031356637821
  22. William GatewoodSan Francisco, CA 941241376607481
  23. Sandra Gather, M.S., C.A.D.C.Auburn, CA 956031396864039
  24. Justine GathrightModesto, CA 953541851626063
  25. Thelma Gatlin-WilsonFresno, CA 937111306625595
  26. Robert Gatsoff, CADC-IILos Angeles, CA 900571124496435
  27. Donna GaudsmithPalm Springs, CA 922621417240540
  28. Geoffrey GauerSan Rafael, CA 949011487501045
  29. Steven GaughanSanta Barbara, CA 931101477939874
  30. Levar Gaulding, RADTConcord, CA 945211093553786
  31. Shannon GauldingWest Hollywood, CA 900691871485250
  32. Renaee GautierCamino, CA 957091386431633
  33. Noe GavidiaLos Angeles, CA 900571457980898
  34. Nino GavilanSan Mateo, CA 944031053146951
  35. Jose Gavilanes, RADTSanta Ana, CA 927011699240689
  36. Angelica GaxiolaCerritos, CA 907031598285579
  37. Derek GaxiolaLos Angeles, CA 900331801691332
  38. Hortencia Gaxiola, RACRiverside, CA 925041891408795
  39. Christopher Gay, RSHemet, CA 925431033448568
  40. Joel GaySan Francisco, CA 941171174793681
  41. Michelle GayLos Angeles, CA 900621699955732
  42. Valerie GayOakland, CA 946211538576327
  43. Cherise Gayle, COUNSELORLos Angeles, CA 900211164867222
  44. Joseph GaylorGalt, CA 956321528721248
  45. Jennifer GaymanMurrieta, CA 925621730486903
  46. Willistine Gaymon, CART, RADIRiverside, CA 925041902096985
  47. Aileen GaynorWillits, CA 954901619183761
  48. Elsa GaytanSan Diego, CA 921101710508858
  49. Margo GazaSan Carlos, CA 940701902657372
  50. Katrina Gazo Rosario, SUDRCSan Francisco, CA 941031992512669

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.