NPPES file of Aug 9, 2026

Orthopaedic Surgery Physician in California

2,276 NPPES records list orthopaedic surgery physician with a practice address in California, 5.8 per 100,000 residents, the 49th highest rate of 51. Los Angeles and San Diego have the most; each record links to the provider's NPI and the California license search. Page 2 of 46.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207X00000X · 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, 187

  1. Los Angeles187
  2. San Diego154
  3. San Francisco121
  4. Sacramento79
  5. La Jolla55

Orthopaedic Surgery Physician records in California

  1. Keiko Amano, MDClovis, CA 936111801139993
  2. Chirag Amin, M.D.Riverside, CA 925071093934374
  3. Nirav Amin, M.D.Placentia, CA 928701477714665
  4. Vahdatyar Amirpour, M.D. INCBakersfield, CA 933011194838359
  5. David Amory, M.D.Oceanside, CA 920561659358786
  6. Tonya An, MDStanford, CA 943051699292045
  7. Veerinder Anand, M.D.El Centro, CA 922431881613420
  8. Jaron Andersen, MDTustin, CA 927801639381759
  9. Lucille Andersen, M.D.Danville, CA 945261124082359
  10. Jeffrey Anderson, M.D.San Francisco, CA 941101639285927
  11. Lesley Anderson, MDSan Francisco, CA 941151205945003
  12. Ryan Anderson, OT CEncinitas, CA 920241811015175
  13. John Andrawis, M.D.Torrance, CA 905051861744419
  14. James Andry, MD, MS, BSLa Jolla, CA 920371679726103
  15. Manuel Anel, M.D.Long Beach, CA 908071972625382
  16. Michele Angers, M.D.San Francisco, CA 941431558677500
  17. Afshin AnoushiravaniWalnut Creek, CA 945981003310293
  18. Francois Antounian, MDSan Rafael, CA 949031891879961
  19. David Apel, MDLos Angeles, CA 900271568553055
  20. Robert Aptekar, M.D.Campbell, CA 950081811982259
  21. Afshin Arianjam, M.D.Chino Hills, CA 917091013222066
  22. Osep Armagan, M.D.Westlake Village, CA 913611265462337
  23. Megan ArmstrongFremont, CA 945381801401757
  24. Antulio Aroche, D.O.Camarillo, CA 930101083878227
  25. Morris Aron, MDTempleton, CA 934651851560429
  26. Amarpal Arora, M.D.San Diego, CA 921231851518401
  27. Seyed Arshad, DOSan Francisco, CA 941181669030458
  28. Christian Athanassious, M.D.Santa Rosa, CA 954051043471279
  29. Gurbir AthwalFresno, CA 937011992332969
  30. Dave Atkin, M.D.San Francisco, CA 941101174543474
  31. Basem Attum, MDBakersfield, CA 933091184071870
  32. Ran AtzmonRedwood City, CA 940631558023267
  33. Burt Auerbach, M.D.Martinez, CA 945531063569226
  34. Mark Austerlitz, M.D.San Diego, CA 921081912057381
  35. Soheil Aval, MDTustin, CA 927801891837373
  36. Raffi Avedian, MDStanford, CA 943051821261371
  37. Anna Avik, DOFresno, CA 937201396044293
  38. Thomas Axelrad, M.D.Santa Rosa, CA 954041326229204
  39. Mark Ayoub, MDClovis, CA 936111689961310
  40. Alan Azevedo, MDChico, CA 959281215996491
  41. Scott Baden, M.D.Sherman Oaks, CA 914031386731826
  42. Soroush Baghdadi, MDSanta Monica, CA 904041043899651
  43. Ramin Bagheri, M.D.La Jolla, CA 920371912962176
  44. Michael Bahk, M.D.Van Nuys, CA 914051518012335
  45. Robert Baird, M.D.Irvine, CA 926181669480984
  46. Richard Baker, M.D.Oakland, CA 946121245375146
  47. Abiram Bala, MDVan Nuys, CA 914051457715963
  48. Karl Balch, M.D.Bakersfield, CA 933091902127525
  49. Kenneth Baldwin, MDSan Luis Obispo, CA 934011174549570
  50. Avionna Baldwin Jefferson, MDSan Francisco, CA 941431700345535

Source: CMS NPPES, primary taxonomy 207X00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 49 of 51 per resident

  1. Tennessee6.6
  2. Florida6.5
  3. Arizona6.2
  4. California5.8
  5. Nevada5.1
  6. Texas5.0
  7. 50 states and D.C.7.4

Source: CMS NPPES, primary taxonomy 207X00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

What the count covers

2,276 NPPES records list orthopaedic surgery physician (207X00000X) as their primary taxonomy with a practice address in California: 5.8 per 100,000 residents against 7.4 nationally (50 states and D.C.). Los Angeles has 187 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. Texas1,514
  2. Florida1,470
  3. New York1,339
  4. Pennsylvania1,253

States with a similar rate per 100,000

  1. Arizona6.2
  2. Nevada5.1
  3. Tennessee6.6
  4. Alabama6.7

The largest states

  1. Texas1,514
  2. Florida1,470
  3. New York1,339
  4. Pennsylvania1,253
  5. Illinois995

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.