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 435 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. Joel RothEscondido, CA 920251912590340
  2. Allison Brittany RothenbergLos Angeles, CA 900341952018400
  3. Heather RothermundRedding, CA 960011194484238
  4. Jaclyn RothfussSacramento, CA 958411467717280
  5. Stephen Rotondo, M.A.San Luis Obispo, CA 934011699081323
  6. Megan RotunnoWest Hollywood, CA 900461093558702
  7. Jennifer RoundsChula Vista, CA 919101851821771
  8. Elnetta RoundtreeLong Beach, CA 908131881814523
  9. Isaiah Roundtree-OkyereLincoln Heights, CA 900311174411003
  10. Kristine RounsevilleDiamond Springs, CA 956841205717550
  11. Rochelle Rountree, SUDRCWest Sacramento, CA 956911417673575
  12. Scott RoupeGarden Grove, CA 928411003652553
  13. Christine Rouse, RASVictorville, CA 923921750636197
  14. James RouseVisalia, CA 932921083105241
  15. Nathaniel RouseBerkeley, CA 947041528316080
  16. Jacob RoushCamarillo, CA 930101063306272
  17. Alana RouteInglewood, CA 903011356659635
  18. Pari RouzmehrSan Francisco, CA 941101518096445
  19. Joann RovenoLos Angeles, CA 900621265694483
  20. Clarence RowanHayward, CA 945441891244646
  21. Charles Rowe, RADT-IChula Vista, CA 919111053868745
  22. Henry RoweFresno, CA 937261447700745
  23. James Rowe, CADC-NCACLos Angeles, CA 900591356423693
  24. Linda RowePanorama City, CA 914021255636668
  25. Jessica RowlandFresno, CA 937061952871386
  26. Shirley Rowland, LAADC, RASMather, CA 956551740570357
  27. Richard RowlettAnaheim, CA 928011124841051
  28. Marvin Roxas, AOD INTERNSan Diego, CA 921051891047601
  29. Jonathan RoyHollywood, CA 900281699357947
  30. Shamari Roy, RADTRoseville, CA 956611699314088
  31. Michelle Roy-DavilaVacaville, CA 956881457774291
  32. Heather Royal, BABakersfield, CA 933041497002190
  33. Vanda Royal-FinnSan Bernardino, CA 924051336349489
  34. Leslie Roybal, RADTSanta Rosa, CA 954041962212167
  35. Angela RoyballSan Jose, CA 951381932684198
  36. Daniel RoycePasadena, CA 911031124860838
  37. Tianna Roye, CADCIISacramento, CA 958261184008922
  38. Alison Royer, SUDCCEl Cajon, CA 920201538859236
  39. Doris Royer, CADC IIGrass Valley, CA 959451851512248
  40. Tracy RoyerVallejo, CA 945901013284686
  41. Nicholas RoysterRedwood City, CA 940611437834447
  42. Arlander RoystonLos Angeles, CA 900371427351493
  43. Olivia RoyvalWoodland Hills, CA 913671487221123
  44. Walter Rozin, CDACCSalinas, CA 939011104190651
  45. Crystal RuaSacramento, CA 956281124557210
  46. Anthony Ruacho, CAS REGSalinas, CA 939011457534224
  47. Gerald RuachoFresno, CA 937061194937136
  48. Julieanne RualizoStockton, CA 952061811390792
  49. Emma Ruano, CATC IIPomona, CA 917671710592308
  50. Frank RuanoSan Mateo, CA 944031831605294

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.