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 434 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. Benjamin RosenbergTarzana, CA 913561811637697
  2. Charles Rosenberg, MFT-ISanta Maria, CA 934541487040317
  3. Dafna RosenbergLos Angeles, CA 900631487127346
  4. Diane Rosenberg, A022880516Auburn, CA 956031821481847
  5. John RosenbergSan Mateo, CA 944031952280604
  6. Michael RosenbergBeverly Hills, CA 902121821785791
  7. Byron Rosenberger, CCAPPVallejo, CA 945911942670773
  8. Erin Rosenblum, MFTTIMountain View, CA 940411851414007
  9. Jeffrey RosenblumLos Angeles, CA 900341407405988
  10. Casey Rosenlieb, SA COUNSELORLos Osos, CA 934021689479099
  11. James Roser, CPT1Santa Ana, CA 927061871688895
  12. Stephania RoseroLong Beach, CA 908061912679937
  13. Jennifer RosierConcord, CA 945201114350642
  14. Karyn RosierOceanside, CA 920541932083086
  15. Roberta Rosier, CADC IISacramento, CA 958251376974014
  16. Stephanie RosierVentura, CA 930031164084026
  17. Robyn Rosin, RASLucerne, CA 954581093871592
  18. Elizabeth Roskey, RADTBerkeley, CA 947021285100800
  19. Anya RossSacramento, CA 958111104001023
  20. Connie RossUkiah, CA 954821093921538
  21. Daiquari Ross, PSYDDiamond Springs, CA 956191346552296
  22. Darnell RossSacramento, CA 958211992127039
  23. Delia RossNorth Hollywood, CA 916011831648757
  24. Donald Ross, RADTIStanton, CA 906801225652944
  25. James Ross, C.A.T.C.San Diego, CA 921111457575250
  26. Jennifer Ross, CADCIISan Diego, CA 921011437623865
  27. Jennifer RossRoseville, CA 956611427916204
  28. Jeremiah RossNewport Beach, CA 926601033925466
  29. Joseph Ross, CAS NAADACRedding, CA 960011568732519
  30. Joshua RossAnaheim, CA 928011669307856
  31. Justin RossVista, CA 920831710536164
  32. Leslie Ross, PREVENTION COUNSELORMartinez, CA 945531568665040
  33. Maricruz RossVista, CA 920831588149314
  34. Michael RossNorth Hollywood, CA 916011679814412
  35. Robert RossFresno, CA 937061154207520
  36. Ronald RossLong Beach, CA 908061043332505
  37. Sandra RossSanta Cruz, CA 950601649869991
  38. Steven RossLos Angeles, CA 900571528270626
  39. Taylor RossPalmdale, CA 935501780841528
  40. Terry RossOceanside, CA 920541043986516
  41. Tony RossLong Beach, CA 908021447382767
  42. Trudy RossRichmond, CA 948051619139557
  43. Jonathan Ross-Tohill, RADTTehachapi, CA 935611366121089
  44. Nicky RossettiSan Jose, CA 951111578165981
  45. Debra RossiAuburn, CA 956021235507419
  46. Marie RossiSalinas, CA 939011255563193
  47. Michele Rossi, M.ED.Santa Ana, CA 927051659564045
  48. Gina Rossi-NeedlemanRedondo Beach, CA 902781831328681
  49. Dylan RostonNorth Hollywood, CA 916011265035935
  50. Benjamin RothSan Marcos, CA 920691104174788

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.