NPPES file of Aug 9, 2026

Chiropractor in California

11,498 NPPES records list chiropractor with a practice address in California, 30 per 100,000 residents, the 22nd highest rate of 51. San Diego and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 222 of 230.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 111N00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Diego has the most, 531

  1. San Diego531
  2. Los Angeles525
  3. San Jose371
  4. San Francisco326
  5. Sacramento160

Chiropractor records in California

  1. Ernest Williamson, D.C.Escondido, CA 920261891188363
  2. Daniel Willis, D.C.Atascadero, CA 934221568507325
  3. Jeffrey Willis, D.C.Santa Clarita, CA 913211265656466
  4. Laura Willis, D.C.Simi Valley, CA 930651497825814
  5. Michael Willis, D.C.Westlake Village, CA 913611598835910
  6. Holly Willison, DCCorona, CA 928821942838255
  7. Kristen Wills, D.CHanford, CA 932301043544109
  8. Colby Wilmer, DCElk Grove, CA 956241083571178
  9. Anthony Wilson, D.C.Sunnyvale, CA 940871720164361
  10. Douglas Wilson, D.C.Santa Maria, CA 934551730260969
  11. Gary Wilson, DCHayward, CA 945411881079572
  12. George Wilson, D.C.Ferndale, CA 955361548366388
  13. James Wilson, D.C.Lodi, CA 952421417023474
  14. Joanne Wilson, DCSan Ramon, CA 945831043104094
  15. Judith Wilson, D.C.Benicia, CA 945101992732697
  16. Laura Wilson, D.C.Walnut Creek, CA 945961083960991
  17. Lawrence Wilson, DCSantee, CA 920711366560518
  18. Michael Wilson, D.C.San Diego, CA 921091487968111
  19. Michael Wilson, D.C., QMEFairfield, CA 945331710095740
  20. Natalie Wilson, D.C.Seal Beach, CA 907401336386812
  21. Ralph Wilson, D.C.Ventura, CA 930011053400069
  22. Rebecca Wilson, D.C.Foster City, CA 944041609883982
  23. Richard Wilson, DCWestminster, CA 926831841267408
  24. Rustin Wilson, D.C.Indian Wells, CA 922101497006415
  25. Stephanie Wilson, DCSherman Oaks, CA 914231417693078
  26. Steve WilsonSan Diego, CA 921161750500567
  27. Thomas Wilson, D.C.Redding, CA 960021922138239
  28. Trisha Wimbs, D.C.Roseville, CA 956611457655409
  29. Dane Wimmer, MDRedondo Beach, CA 902771114417623
  30. Kristin Wimp, D.C.Santa Monica, CA 904041215468889
  31. George Win, D.C.Alhambra, CA 918011619979036
  32. Randall Winchell, DCMission Viejo, CA 926921598865859
  33. Amy Winchester, DCClovis, CA 936191275098642
  34. Kenneth Winer, D.C.Canoga Park, CA 913031669568614
  35. Dean Wines, DCBeaumont, CA 922231861525677
  36. Gary Wines, D.C.Beaumont, CA 922231760487268
  37. Matthew Wines, D.C.Beaumont, CA 922231902930548
  38. Ralph Winestock, D.C.Oceanside, CA 920571215128632
  39. Dale Winget, DCEureka, CA 955031861591430
  40. Theresa Wink, DCVentura, CA 930031124199633
  41. John Winslow, D.C.El Cajon, CA 920191851486187
  42. Carol Wintermute, DCIrvine, CA 926041124240957
  43. Richard Winters, DCBlythe, CA 922251548328982
  44. Andrew Winthrop, DCRancho Cucamonga, CA 917301790252963
  45. Brian Wirick, DCSonoma, CA 954761407839020
  46. Gregory Wirth, D.C.Big Sur, CA 939201811103484
  47. Robert Wirthlin, DCWestminster, CA 926831497839229
  48. Nicholas Wirtz, D.C.San Francisco, CA 941221770831828
  49. Randy WirtzSimi Valley, CA 930651205867124
  50. Eric Wise, D.C.El Cajon, CA 920191114093366

Source: CMS NPPES, primary taxonomy 111N00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 22 of 51 per resident

  1. Michigan30
  2. Pennsylvania30
  3. Maine30
  4. California30
  5. Georgia29
  6. Wyoming29
  7. 50 states and D.C.29

Source: CMS NPPES, primary taxonomy 111N00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

7.0% of these records appear in a Medicare file, against 16.9% 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. California7.0%
  2. United States16.9%

Chiropractor records in California, measured

  • In a Medicare file809 of 11,498 · 7.0% here, 16.9% nationally
  • In the CMS Doctors and Clinicians file2,911 · 25.3% here, 39.8% nationally
  • Not updated in five years or more8,830 · 76.8% here, 72.3% nationally
  • Median graduation year1999 · the 2,907 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 111N00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

11,498 NPPES records list chiropractor (111N00000X) as their primary taxonomy with a practice address in California: 30 per 100,000 residents against 29 nationally (50 states and D.C.). San Diego has 531 of them (5%).

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. Texas6,979
  2. Florida6,967
  3. New York4,573
  4. Illinois4,524

States with a similar rate per 100,000

  1. Georgia29.5
  2. Wyoming29.3
  3. Maine29.9
  4. Pennsylvania30.4

The largest states

  1. Texas6,979
  2. Florida6,967
  3. New York4,573
  4. Illinois4,524
  5. Pennsylvania3,934

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.