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 21 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. Jonathan Kaplan, M.D.Orange, CA 928681467751685
  2. Sooren Karayan, MDGlendale, CA 912041841377561
  3. Michael Karch, M.D.Mammoth Lakes, CA 935461861548448
  4. Andrew Karich, MDFullerton, CA 928351508866575
  5. Thomas Kaschak, M.D.Modesto, CA 953551770607483
  6. Samera Kasim, DOMonterey, CA 939401902113483
  7. Rafid Kasir, MDSan Diego, CA 921031306367354
  8. James Kasper, M.D.Santa Maria, CA 934551962445098
  9. Hafiz Kassam, MDNewport Beach, CA 926601306371059
  10. Stanley Katz, M.D.Anaheim, CA 928051861466682
  11. Todd Katzman, MDAnaheim, CA 928011548279029
  12. John Kaufman, MDValencia, CA 913551801992268
  13. Matthew Kaufman, MDSan Jose, CA 951281366182487
  14. Alan Kawaguchi, MDStockton, CA 952041245285394
  15. Kenneth Kaylor, M.D.Bakersfield, CA 933051093775439
  16. James Kayvanfar, M.D.Newhall, CA 913211548288194
  17. John Kayvanfar, M.D.Palmdale, CA 935511689743437
  18. Kareem Kebaish, MDLos Angeles, CA 900331326624362
  19. Daniel Keefe, M.D.La Jolla, CA 920371194703348
  20. Dilip Kelekar, MDApple Valley, CA 923071700870102
  21. James Kelly, MDSan Francisco, CA 941181013908979
  22. John Kelly, M.D.Los Angeles, CA 900251699703959
  23. Jon Kelly, M.D.Carlsbad, CA 920081205866811
  24. Michael Kelly, MDStanford, CA 943051508997420
  25. Jessica Kelsey, MDSan Diego, CA 921341710407846
  26. Joseph Kendal, MD, FRCSCSanta Monica, CA 904041851057392
  27. Abbey Kennedy, M.D.San Francisco, CA 941431013093327
  28. William Kent, M.D.San Diego, CA 921031962794198
  29. John Keohane, M.D.Larkspur, CA 949391134173677
  30. Arash Kermanshahi, M.D.La Jolla, CA 920371023027695
  31. Stephanie Kha, MDPalo Alto, CA 943041730640053
  32. Armond Khachatourians, M.D.Baldwin Park, CA 917061689656340
  33. Kiarash Khajavi, M.D.Fullerton, CA 928351265518443
  34. Maher Khan, M.D.Northridge, CA 913241750638946
  35. Najeeb Khan, MDEl Cajon, CA 920201780830885
  36. Noman Khan, MDPalo Alto, CA 943011467516062
  37. Vladimir Khapchik, MDSanta Clara, CA 950511942387808
  38. F. Kharrazi, MDLos Angeles, CA 900451851376750
  39. Kendrick Khoo, M.D.Sacramento, CA 958161891158663
  40. Ashkan KhosraviSanta Monica, CA 904041659012987
  41. Curtis Kiest, MDSan Francisco, CA 941151447338082
  42. Williiam Kilgore, M.D.Eureka, CA 955031508891029
  43. Thomas Kilkenny, MDUkiah, CA 954821114007093
  44. Andrew Kim, MDArcata, CA 955211609978618
  45. Chang Kim, M.D.Oakland, CA 946121720152507
  46. David Kim, M.D.Huntington Beach, CA 926481255314431
  47. David Kim, MDTustin, CA 927801174665079
  48. Hubert Kim, MDSan Francisco, CA 941431043264583
  49. In S Kim, MDVan Nuys, CA 914051386745594
  50. Jason Kim, M.D.Sacramento, CA 958171871811679

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.