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 219 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. Marc Weiss, DCTorrance, CA 905011689691172
  2. Mark Weiss, DCBrea, CA 928211801944285
  3. Timothy WeissMoreno Valley, CA 925531649151838
  4. Ben Weitz, D.C.Santa Monica, CA 904051255420832
  5. Charles Weitzman, D.C.El Cajon, CA 920191508070236
  6. Katharina Welborn, D.C.Granite Bay, CA 957461174507701
  7. Clayton Welch, DCModesto, CA 953501629600697
  8. Joshua Welch, D.C.South Lake Tahoe, CA 961501033526207
  9. Mark Welch, D.C.Modesto, CA 953501942292818
  10. Marla Welch, D.C.Modesto, CA 953501760474415
  11. Robin Welch, D.C.Anaheim, CA 928021083720692
  12. Barbara Weldon, DCSan Rafael, CA 949011881872943
  13. Stephen Wellens, D.C., D.A.C.N.B.Walnut Creek, CA 945961376550152
  14. Nathan Weller, D.C.Yucca Valley, CA 922841922302090
  15. Bradford Wellnitz, D.C.El Cajon, CA 920201649631581
  16. David Wells, D.C., L.AC.Encino, CA 913161558419176
  17. Elizabeth Wells, DCFort Bragg, CA 954371265991525
  18. Jennifer Wells, D.C.Norco, CA 928601669406922
  19. John Wells, D.C.San Diego, CA 921261689715104
  20. Jon Wells, D.C.Atascadero, CA 934221831249945
  21. Michael Wells, D.C., L.ACEncino, CA 913161801121678
  22. Pamela Wells, D.C.Sunnyvale, CA 940871003899030
  23. William Wells, D.C.Forestville, CA 954361740329002
  24. Debra Welshons, D.C.Carmichael, CA 956081851584536
  25. Joshua Weltchek, D.C.Santa Cruz, CA 950601649566464
  26. Trevor Wendel, DCSan Diego, CA 921211215439195
  27. Annelies Wentzel, DCMountain View, CA 940431730745894
  28. Anthony Werbelow, D.CVista, CA 920811588968689
  29. Amber Werner, D.C.Newport Beach, CA 926601134698996
  30. Kara Werner, DCSan Francisco, CA 941151265526826
  31. Jason Wersland, D.C.Los Angeles, CA 900361679911234
  32. Jan Wesdorf, DCPleasant Hill, CA 945231629102009
  33. Tristin Wesenberg, DOCTOR OF CHIROPRACTVentura, CA 930031346286135
  34. Andrew West, DOCTOR OF CHIROPRACTBuellton, CA 934271750387882
  35. Damon West, D.C.Sacramento, CA 958161912020470
  36. Johnna West, D.C.Beverly Hills, CA 902111366612350
  37. Roger West, D.C.Torrance, CA 905051487725057
  38. Samuel West, D.C.Long Beach, CA 908151285723999
  39. Susan West, DCDanville, CA 945261679689228
  40. Gary Westad, D.C.Mission Viejo, CA 926911033274923
  41. Justin Westbrook, DCSan Clemente, CA 926731356166334
  42. Richard Westbrook, D.C.Monterey, CA 939401154412880
  43. Craig Westoby, D.C.Porterville, CA 932571093825572
  44. James Weston, DCSanta Barbara, CA 931051356530166
  45. Natalie Weston, DCDavis, CA 956161356764625
  46. Eric Westover, DCSan Ramon, CA 945831316206212
  47. Dan Wethey, DCYucaipa, CA 923991578769675
  48. David Wetzel, D.C.Fallbrook, CA 920281821019340
  49. Harold Wexler, D.C.Northridge, CA 913241194904060
  50. Steven Wexler, D. C.Camarillo, CA 930101134344955

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.