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 526 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. Brandon WalkerLos Angeles, CA 900041497433353
  2. Brenda WalkerLos Angeles, CA 900351558763425
  3. Cecelia Walker, CATC IVDowney, CA 902411841716818
  4. Chanelle Walker, SUDRCHayward, CA 945441578343638
  5. Charline WalkerLong Beach, CA 908131356574461
  6. Christopher Walker, REGISTERED SUDEscondido, CA 920251902778228
  7. Daniel Walker, SUDRC IIWoodland, CA 956951063104651
  8. Darcy Walker, BA, CADC-IIYreka, CA 960971407992183
  9. Darleen WalkerSacramento, CA 958231417193988
  10. Diana Walker, CATCPomona, CA 917671194872481
  11. Dominique WalkerRedding, CA 960021407612328
  12. Donald Walker, CAS, IIFresno, CA 937061982882643
  13. Donald Walker, CADPTSalinas, CA 939011427851617
  14. Donald Walker, RADT 1Menlo Park, CA 940251477096295
  15. Gregory WalkerLong Beach, CA 908131982802922
  16. Jane WalkerBellflower, CA 907061033650759
  17. Jennifer Walker, RADTTrabuco Canyon, CA 926791326660184
  18. Julie WalkerEl Cajon, CA 920201932674751
  19. Loreca WalkerLos Angeles, CA 900371831319946
  20. Loretta WalkerPanorama City, CA 914021114127578
  21. Margaret WalkerSanta Cruz, CA 950601568628659
  22. Marion WalkerAuburn, CA 956031770295859
  23. Morgan WalkerSanta Ana, CA 927071073187449
  24. Moriah WalkerVisalia, CA 932771558182709
  25. Nicole WalkerSan Pedro, CA 907311821980384
  26. Oliver WalkerPalm Springs, CA 922621164096947
  27. Patricia Walker, CASMerced, CA 953401780713198
  28. Quinton WalkerGalt, CA 956321801434832
  29. Rhonda Walker, RADT1Santa Monica, CA 904051083130306
  30. Ricky WalkerNorth Hollywood, CA 916011447887153
  31. Savannah WalkerGrass Valley, CA 959451053924027
  32. Shellie WalkerModesto, CA 953501588042360
  33. Sherry WalkerVisalia, CA 932771770221491
  34. Sidney WalkerLong Beach, CA 908051144702218
  35. Tadd WalkerOxnard, CA 930331588205868
  36. Tanya Walker, BAMerced, CA 953411386911725
  37. Terry WalkerFresno, CA 937271093002040
  38. Theodore WalkerEl Cajon, CA 920201720106586
  39. Timothy WalkerVan Nuys, CA 914051891095600
  40. Thon Walker-Morrison, C.A.D.C IIRiverside, CA 925011588110852
  41. Kayla Walker-Reid, RAD-TFairfield, CA 945331598441396
  42. Georgette Walkins, CATC-IISanta Barbara, CA 931011861946998
  43. Amanda WallRedding, CA 960021811520851
  44. Carolyn WallSanta Barbara, CA 931101750565149
  45. Debbie Wall, A.A., B.A.Long Beach, CA 908041942513536
  46. Ryan WallSanta Rosa, CA 954091750672580
  47. Todd Wall, CADC IIColton, CA 923241851986699
  48. Andrew WallaceColton, CA 923241174856587
  49. Barbara WallaceEl Monte, CA 917311699367482
  50. Brian WallaceUpland, CA 917861437879418

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.