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 198 of 555.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 101YA0400X · method

Los Angeles has the most, 2,101

Addiction (Substance Use Disorder) Counselor records in California

  1. Wayne Grigsby, CADACBerkeley, CA 947041740474220
  2. Olivia Grigsby-FloresLos Angeles, CA 900331063043156
  3. Monja GriifinSanta Cruz, CA 950621972095677
  4. Jennifer Grijalva, 13768-RACEl Monte, CA 917311396526398
  5. Lisa GrijalvaBakersfield, CA 933051659294692
  6. Nancy GrijalvaLos Angeles, CA 900291336997360
  7. Wendy GrijalvaPomona, CA 917671477163855
  8. Yuriko GrijalvaEl Cajon, CA 920201538658976
  9. Stephen GrilleySacramento, CA 958261184072852
  10. Richard Grilli, CADTP CERTIFICATIONUpland, CA 917861205543378
  11. Maria GrimaldosVan Nuys, CA 914111619293263
  12. Aharon GrimesAnaheim, CA 928011144182783
  13. Consuelo GrimesFoothill Ranch, CA 926101982551313
  14. Gregory Grimes, MASTERFair Oaks, CA 956281659652212
  15. Stephanie GrimesOrange, CA 928661952996043
  16. Will GrimesSan Bernardino, CA 924041922301571
  17. Christina GrimmSacramento, CA 958411720254253
  18. Elina GrimmChico, CA 959261558045344
  19. Kathy GrimmStockton, CA 952191922285485
  20. Pamela GrimmSan Francisco, CA 941031013068543
  21. Robin Grimm, CASSan Rafael, CA 949011861773723
  22. Delilah GrimmettEl Cajon, CA 920201568835668
  23. Mona GrimmittEl Monte, CA 917311215063946
  24. Shea GrimnerSanta Monica, CA 904051366143356
  25. Marissa GrimsleySan Diego, CA 921231841962032
  26. Gilbert Grinie, MS, CDC, RWGarden Grove, CA 928411366530156
  27. Natalie GrinnellSusanville, CA 961301992099089
  28. Scott Grinthal, CAADE IIIOakland, CA 946021194957399
  29. Catherine Grisham, CADC-CASBishop, CA 935141245733963
  30. Amanda GrissoAshland, CA 945781457270068
  31. Matthew Grisso, SUDCCHayward, CA 945441881422236
  32. Carter GrissomUkiah, CA 954821689090920
  33. Jenny GrissomUkiah, CA 954821730424219
  34. Lawrence GrissomLong Beach, CA 908101811703176
  35. Nicki GriswoldLa Puente, CA 917441760519862
  36. Erin GritzenOceanside, CA 920541639544745
  37. Sherrie GrizzelleUpland, CA 917861871048900
  38. Eric Groff, RRWSan Diego, CA 921051073955993
  39. Steven GroffEscondido, CA 920251538950613
  40. Jonathon GroganFairfield, CA 945341730639329
  41. Emerson Groom, RADT1Santa Ana, CA 927051619493210
  42. Margaret Groom, CADC-IIIStockton, CA 952021215723267
  43. Yolanda GroseSanta Rosa, CA 954091316452097
  44. Joel GroshEureka, CA 955011992408454
  45. Bruce Gross, MSWSan Diego, CA 921151245601764
  46. Emily Gross, CAADE MEMBERSanta Rosa, CA 954071235477258
  47. Jeffrey GrossSanta Monica, CA 904051598480600
  48. Jennifer GrossSan Diego, CA 921141295520161
  49. Tyler Gross-StuartNipomo, CA 934441316303381
  50. Moshe GrossmanLos Angeles, CA 900361255830402

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.