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 396 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. Katherine Porteous, AAS SUBSTANCE USEOntario, CA 917611215507009
  2. Angela Porter, MA, RASBerkeley, CA 947091578904801
  3. Brian PorterLong Beach, CA 908131710242201
  4. Heide PorterSacramento, CA 958171982874186
  5. Jack PorterFresno, CA 937261780734574
  6. Joann PorterBakersfield, CA 933041649458951
  7. Joel Porter, CADCFremont, CA 945361174804306
  8. Katrisha PorterLos Angeles, CA 900041609465277
  9. Kisha PorterBakersfield, CA 933071316653124
  10. Kyle PorterCampo, CA 919061346914942
  11. Lamar PorterLos Angeles, CA 900181184932121
  12. Mark PorterFresno, CA 937211902313489
  13. Michael PorterSpring Valley, CA 919771326468034
  14. Orin Porter, RADTCulver City, CA 902301588329825
  15. Patricia PorterSacramento, CA 958231184944936
  16. Steven PorterOrange, CA 928681750953956
  17. Theresa Porter, RADTFairfield, CA 945331659138147
  18. Alisha Porter-McEachin, C.A.S.Chula Vista, CA 919111245453687
  19. Arthur PortilloFresno, CA 937061194349175
  20. Chopana PortilloWoodland Hills, CA 913671013626308
  21. Erick PortilloOakland, CA 946011578416384
  22. Priscilla PortilloSanta Fe Springs, CA 906701346940301
  23. Rosalinda PortilloFresno, CA 937221407107618
  24. Stephanie PortilloWoodland Hills, CA 913671285598730
  25. Stephany PortilloEl Cajon, CA 920201295305712
  26. Yadira PortilloVisalia, CA 932911124243167
  27. Deborah Portillo Angel, RADT-IRiverside, CA 925041477391795
  28. Jessica PortsChula Vista, CA 919111154914315
  29. Luz PortugalSan Diego, CA 921141053989020
  30. Veronica PortugalFresno, CA 937201245510692
  31. Elaine Portzel, CAADACASanta Cruz, CA 950601841447760
  32. Justin PorzioGarden Grove, CA 928411700737293
  33. Nicolas Posada CashCommerce, CA 900221457103343
  34. Jessica PoscabloSan Diego, CA 921021447055470
  35. Leslie PoseyFresno, CA 937061376185033
  36. Oshonda Posey, RADT ILancaster, CA 935341811408461
  37. Alexander PossnerLos Angeles, CA 900291134883424
  38. Jerry PostDowney, CA 902411164642401
  39. Dana Posthumus, BASacramento, CA 958271619129889
  40. Casey PostmaFullerton, CA 928331033720990
  41. Douglas Poston, RADTLemon Grove, CA 919451699231670
  42. Tyler Poston, RACSan Diego, CA 921011811651102
  43. Christine Potapov, RADTTrabuco Canyon, CA 926791326882192
  44. Dustin PotashEl Cajon, CA 920201487123063
  45. Marjorie PotencianoOceanside, CA 920581043878127
  46. Michael PotencianoVista, CA 920831851922702
  47. Annalisa PotterStockton, CA 952021881717411
  48. Heidi Potter, SUDRCVenice, CA 902911093351017
  49. Margie Potter, CICA00860419Sutter Creek, CA 956851639564149
  50. Melissa PotterSan Diego, CA 921011194671206

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.