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 153 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. Jennifer Olthafer, DCTempleton, CA 934651932413937
  2. Otra Olver, D.C.Rancho Palos Verdes, CA 902751700214061
  3. Roman OlveraMontebello, CA 906401154278570
  4. Yainyt Olvera Guerrero, DCPasadena, CA 911011962225508
  5. Marla Omar, DCWalnut, CA 917891134152747
  6. Armando Omega, D.C.West Sacramento, CA 956911952401556
  7. Israela Omidi, DCBeverly Hills, CA 902101205543667
  8. Larry Omo, D.C.Lakewood, CA 907121649396607
  9. Benjamin OmraniManhattan Beach, CA 902661720940752
  10. Jacqueline On, D.C.Fountain Valley, CA 927081225207707
  11. Kiet On, D. C.Westminster, CA 926831053379784
  12. Michael Onandia, D.C.Corona, CA 928791427185354
  13. Nelson Ong, D.C.Elk Grove, CA 957581972751022
  14. Scott Onoda, D.C.Los Angeles, CA 900481184636060
  15. Thomas Ontiveros, D.C.Gardena, CA 902481710901657
  16. Sarah Opper-GawaranSan Diego, CA 921261063386472
  17. Gerald Oranje, D.C.Pittsburg, CA 945651659442473
  18. Joseph Charles Ordona, D.C.Pasadena, CA 911011003189895
  19. Liesel Orend, D.C., LA.C.Redondo Beach, CA 902781396133070
  20. Ernesto Orendain, DCSacramento, CA 958381629131073
  21. Dwayne Orender, D.C.Clovis, CA 936121841398922
  22. David Orenstein, D.C.Los Angeles, CA 900641376761999
  23. Leo Orginos, D.C.San Rafael, CA 949011457475998
  24. Damon Orlando, D.C.Century City, CA 900671851417869
  25. Stephen Orlow, D.C.Anaheim, CA 928011215033519
  26. Julie Orman, D.C.Oakland, CA 946111770679524
  27. Yzeel Orme, D.C.San Jose, CA 951341134547789
  28. Brian Ormond, DCGarberville, CA 955421497840102
  29. Matthew Ormond, D.C.Huntington Beach, CA 926471952551491
  30. Andrea Ormonde, DCSan Luis Obispo, CA 934011477105971
  31. Angela Ornelas, DCSan Jose, CA 951241669569919
  32. Robert Ornelas, D.C.Yorba Linda, CA 928861114018041
  33. Jorge Orozco Fonseca, D.C.La Puente, CA 917441578637070
  34. Angel Orozco Gonzalez, DCWatsonville, CA 950761891666152
  35. Aaron Orpelli, DCLos Angeles, CA 900481093826307
  36. Carolina Orrego, D.CSanta Monica, CA 904011770823106
  37. Adam Orszag, D,CSan Luis Obispo, CA 934011891714226
  38. Joseph Ortega, D.C.San Diego, CA 921081881608412
  39. Lindsay Orth, D.C.Encinitas, CA 920241487982179
  40. Mallory Orth, DCSan Diego, CA 921101982351094
  41. Angelica Ortiz, D.C.San Diego, CA 921081104483767
  42. Anibal Ortiz, D.C.Los Angeles, CA 900641881768588
  43. Jossue Ortiz, D.COceanside, CA 920581649417106
  44. Lisa Ortiz, D.C.Oakland, CA 946091740661339
  45. Ralph Ortiz, D.C.Oakland, CA 946051487773776
  46. Vic Ortiz, D.C.Corona, CA 928791871708610
  47. Gevork Orudzhyan, DCPasadena, CA 911061194698563
  48. Danielle Osbon, D.C.Murrieta, CA 925621245690353
  49. Timothy Osborn, D.C.Orange, CA 928681841276680
  50. Andrew Osborne, DCCarlsbad, CA 920081346293669

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.