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 200 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. Deborah Guerrero, SUDCCIVSan Diego, CA 921141417515032
  2. Elisa GuerreroBell Gardens, CA 902011942409537
  3. Elizabeth GuerreroMontebello, CA 906401326418484
  4. Ivan Guerrero, RADTFair Oaks, CA 956281841059086
  5. Jacquline GuerreroOceanside, CA 920541194900597
  6. Jose GuerreroCoachella, CA 922361487339008
  7. Katherine GuerreroLompoc, CA 934361083197628
  8. Luis GuerreroVan Nuys, CA 914051942420039
  9. Maria GuerreroSan Francisco, CA 941101922206069
  10. Michael GuerreroOxnard, CA 930301720610959
  11. Miguel GuerreroSouth Gate, CA 902801770243297
  12. Moises GuerreroSan Mateo, CA 944031649405135
  13. Norma GuerreroPanorama City, CA 914021205160009
  14. Reina GuerreroPomona, CA 917671679121578
  15. Stephanie GuerreroSan Bernardino, CA 924101689314213
  16. Victoria GuerreroFresno, CA 937211891560819
  17. Yolanda GuerreroSantee, CA 920711518429232
  18. Yvonne GuerreroMontebello, CA 906401629448782
  19. Andrea Guerrero LopezLos Angeles, CA 900131467964775
  20. Katrina Guerrero-Love, CATCLong Beach, CA 908131346612041
  21. Martha GuerrroSanta Maria, CA 934541013263169
  22. Aryel GuestFresno, CA 937271710721394
  23. Noah GuestOrange, CA 928681144829359
  24. Alice GuevaraMontebello, CA 906401386014439
  25. David GuevaraCovina, CA 917231801710132
  26. Veronica Guevara, CADTPSan Diego, CA 921101831043322
  27. Yeni Guevara, 101YA0400XPico Rivera, CA 906601003455247
  28. Magdalena Guevara Hernandez, RADTTrabuco Canyon, CA 926791861224479
  29. Amber GueygerSacramento, CA 958231114572039
  30. Ernesto GueygerCitrus Heights, CA 956101083099147
  31. Rose Guggenheim, MFTUnion City, CA 945871023186939
  32. April Guggiana, RASII CATS BS CSCLong Beach, CA 908071700920055
  33. Erin Guhlow, SUDCC IVOceanside, CA 920541972057412
  34. Nefertari GuiceFairfield, CA 945331235508318
  35. Richele GuidaSan Jose, CA 951281154839009
  36. Diana Guido, CADC-ISalinas, CA 939011932472552
  37. Josefina Guido, RT1439810426Blythe, CA 922251629907092
  38. Keaton Guigneaux, SUDRCClayton, CA 945171588413108
  39. Maurice GuilleaumeBloomington, CA 923161104395128
  40. Alexandra GuillenLemon Grove, CA 919451992368740
  41. Angel GuillenUpland, CA 917861316250541
  42. Diana GuillenLong Beach, CA 908131962737270
  43. Francisco GuillenHemet, CA 925431689448714
  44. Jami GuillenBakersfield, CA 933071053849950
  45. Jazel GuillenTrabuco Canyon, CA 926791194676643
  46. Lupe GuillenLong Beach, CA 908131558580449
  47. Marco Guillen, C.A.S.Lake Elsinore, CA 925301417076662
  48. Marcos Guillen, CHEMICAL DEPENDENCYCamarillo, CA 930101386120210
  49. Patrick Guillen, LVNFresno, CA 937021053649186
  50. Robert Guillen, RADTSan Jose, CA 951191821726779

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.