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 1 of 46.

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

Los Angeles has the most, 187

Orthopaedic Surgery Physician records in California

  1. Karim Abdollahi, M.D.Laguna Beach, CA 926511942240403
  2. Michael Abdulian, MDGlendale, CA 912041649469628
  3. Hussein Abdulrassoul, MDRiverside, CA 925051972123891
  4. Douglas Abeles, MDCastro Valley, CA 945461508961582
  5. Anthony Abene, MDSan Jose, CA 951191457437964
  6. Torgom Abraamyan, M.D.Van Nuys, CA 914051013370410
  7. Monther AbuhantashSan Francisco, CA 941431447041512
  8. Joshua Acebo, MDPalo Alto, CA 943041396373734
  9. Daniel Acevedo, M.D.Thousand Oaks, CA 913601184856122
  10. John Adams, MDLos Angeles, CA 900951215914114
  11. Kent Adamson, MDMission Viejo, CA 926911043277312
  12. Micah Adamson, MDLos Angeles, CA 900241013390533
  13. Temidayo Aderibigbe, MDLos Angeles, CA 900331386261501
  14. Zachary Adler, MDNewport Beach, CA 926601396884391
  15. William Adsit, MDSan Diego, CA 921081922068311
  16. Robert Afra, MDSolana Beach, CA 920751528178837
  17. Obiajulu AghaSan Diego, CA 921211871120113
  18. Kofi Agyeman, M.D.Covina, CA 917231760882781
  19. Dorrit Ahbel, MDCitrus Heights, CA 956101861477366
  20. Eli Ahdoot, D.OBurbank, CA 915051609280478
  21. Conner Ahlgren, MDLa Jolla, CA 920931740805365
  22. Elke Ahlmann, M.D.Los Angeles, CA 900331578781191
  23. Seth Ahlquist, MDSanta Monica, CA 904041407484918
  24. Raj Ahluwalia, M.D.Van Nuys, CA 914051306992904
  25. Sonu Ahluwalia, M.D.Los Angeles, CA 900481952459513
  26. Sohail Ahmad, MDPalm Desert, CA 922111366413270
  27. Shahryar Ahmadi, MDLong Beach, CA 908061629383997
  28. Duke Ahn, M.D.Los Alamitos, CA 907201942318373
  29. Remi Ajiboye, MDTorrance, CA 905031245596402
  30. Keren Akakpo, PA-CSonora, CA 953701639627938
  31. Behrooz Akbarnia, M.D.La Jolla, CA 920371457316374
  32. Kenneth Akizuki, MDSan Francisco, CA 941171073569703
  33. Jack Akmakjian, MDRiverside, CA 925041811992183
  34. Anil Akoon, M.D.Oakland, CA 946021659791689
  35. Raad Al-Shaikh, M.D.Auburn, CA 956021639196371
  36. Clement Alade, MDBakersfield, CA 933011659345825
  37. Damon Alavekios, M.D.Hemet, CA 925441700014909
  38. Joseph Alban, M.D.Los Alamitos, CA 907201194161844
  39. Gary Alegre, MDStockton, CA 952091063467116
  40. Peter Alexakis, M.D.Santa Monica, CA 904041942369152
  41. Charles Alexander, MDPico Rivera, CA 906601730282294
  42. Christopher Alexander, MDMurrieta, CA 925631922077494
  43. Keith Alfieri, M.D.San Diego, CA 921201922260512
  44. Raed Ali, MDIrvine, CA 926181891795449
  45. Jonathan Allen, M.D.Redlands, CA 923741023215357
  46. John Allis, MDTravis Afb, CA 945351871754358
  47. Daniel Allison, MDLos Angeles, CA 900481457403834
  48. Steven Allsing, MDSan Diego, CA 921201538274709
  49. Anthony Alter, MDBeverly Hills, CA 902121750453726
  50. Basil Alwattar, M.D.Oakland, CA 946091700081502

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.

74.0% of these records appear in a Medicare file, against 76.5% 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. California74.0%
  2. United States76.5%

Orthopaedic Surgery Physician records in California, measured

  • In a Medicare file1,684 of 2,276 · 74.0% here, 76.5% nationally
  • In the CMS Doctors and Clinicians file1,347 · 59.2% here, 62.5% nationally
  • Not updated in five years or more1,493 · 65.6% here, 56.8% nationally
  • Median graduation year2003 · the 1,347 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207X00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

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.