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 199 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. Pamela GrossoSusanville, CA 961301609213982
  2. Darrian Grothe, SUD RCFresno, CA 937281780555326
  3. Lorelle GroveUpland, CA 917861407213432
  4. Kelly GroverFresno, CA 937211215715438
  5. Carol GrovesBanning, CA 922201295028983
  6. Ivey Grozier, MA, LAADC, CADC-II,Menlo Park, CA 940251922363266
  7. Sarah GrubaRedding, CA 960021962073890
  8. Michael GrubbOakland, CA 946091629301221
  9. Carol GrunbaumFullerton, CA 928321730781956
  10. Cynthia GrunbaumSan Diego, CA 921111255506689
  11. William GrundyBerkeley, CA 947041609023365
  12. Georgia GruverNewark, CA 945601265667653
  13. Sasha GruwellLong Beach, CA 908041932048196
  14. Gabriela GryczynskiMenlo Park, CA 940251699018341
  15. Janet Gschwend, CADC-CAS, QMHS, MAT,El Centro, CA 922431871917203
  16. Susie GuadagnoEl Cajon, CA 920201972107472
  17. Jose GuadalupeSan Mateo, CA 944031548703101
  18. Michelle Guala, SUDC IIICorona, CA 928821326489386
  19. William Guandique, R1612740525Los Angeles, CA 900571982531497
  20. Laura GuanillOxnard, CA 930361598957268
  21. Helen Guanio, M.A.Wilmington, CA 907441447542089
  22. Alberto GuardadoSan Francisco, CA 941171316830441
  23. Sonia GuardadoMontebello, CA 906401831463868
  24. Janina Guarino, LAADCSacramento, CA 958271750809851
  25. Chaline GubitosiSan Diego, CA 921101578722955
  26. Michael GuccioneColton, CA 923241396454807
  27. Stephani Guccione, R1442770821Colton, CA 923241346950870
  28. Dalton Gudelmann, RRWPasadena, CA 911031063608578
  29. Douglas GudemanSacramento, CA 958151255958187
  30. Bianca GudielLos Angeles, CA 900211831433036
  31. Alfonso GudinoDowney, CA 902411225659741
  32. Liliana GudinoLynwood, CA 902621194349670
  33. Lynda GudinoPacoima, CA 913311326296138
  34. Oscar Gudino, CADCIITorrance, CA 905031639620370
  35. Amber GuentherSacramento, CA 958231255644936
  36. Stacy GuentherSan Jose, CA 951261326434002
  37. Ashley GuerinSan Bruno, CA 940661093356560
  38. Anthony GuerraLos Angeles, CA 900591508384686
  39. Carlos GuerraLong Beach, CA 908051174318414
  40. Channa GuerraLos Alamitos, CA 907201194597708
  41. Jeannette GuerraSanta Barbara, CA 931011508111899
  42. Loretta GuerraFresno, CA 937061902099401
  43. Manual GuerraCarmichael, CA 956081417132267
  44. Osvaldo Guerra, RADTIAltadena, CA 910011750086609
  45. Shalimar Guerra, C.A.T.C.East Palo Alto, CA 943031679856595
  46. Wendy GuerraSanta Ana, CA 927051841120615
  47. Aidan GuerreroOntario, CA 917621942756226
  48. Alphonso GuerreroAntioch, CA 945091174760375
  49. Carmen GuerreroMontebello, CA 906401508236662
  50. Cynthia Guerrero, RADTSan Diego, CA 921021265076707

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.