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 38 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. Stephen Shoemaker, M.D.La Jolla, CA 920371083632558
  2. Leslie Shokes, MDSanta Ana, CA 927061548333669
  3. Connor SholtisRedwood City, CA 940631477132231
  4. Edward Shontz, MDLa Jolla, CA 920371366028383
  5. James Shook, M.D.Loma Linda, CA 923541457380073
  6. Howard Shortley, M.D.Sacramento, CA 958161952375412
  7. Richard Shrader, M.D.Torrance, CA 905051609815281
  8. Todd Shrader, M.D.Torrance, CA 905031730120379
  9. Theodore Shybut, MDValencia, CA 913551407046584
  10. Jaspreet Sidhu, DOStockton, CA 952041396023032
  11. Kuldeep Sidhu, M.D.Tracy, CA 953761952383614
  12. Richard Siebold, M.D.Los Angeles, CA 900481952423949
  13. Elisabeth Siegler, MDSanta Cruz, CA 950651326038787
  14. Morgan Silldorff, M.D.Encinitas, CA 920241366790479
  15. Ismael Silva, M.D.La Mirada, CA 906381295852176
  16. Daniel Silver, MDEncino, CA 913161083692800
  17. Lee Silver, M.D.Downey, CA 902401780841999
  18. Mark Silver, M.D.Downey, CA 902401639245129
  19. Robert Silverstein, MDSouth San Francisco, CA 940801417035015
  20. William Sima, MD INCTempleton, CA 934651770505505
  21. Andrea Simmonds, M.D.Los Angeles, CA 900481598165466
  22. John Simmonds, M.DLos Angeles, CA 900251801195912
  23. Matthew Simons, M.D.Fresno, CA 937201689816266
  24. Albert Simpkins, M.D.Riverside, CA 925051619044971
  25. Leonard Simpson, M.D.San Francisco, CA 941311962886192
  26. Martha Singer, M.D.Castro Valley, CA 945461275501330
  27. Anshuman Singh, M.D.Los Angeles, CA 900891508084138
  28. Matthew Siow, MD, MBALos Angeles, CA 900451467948307
  29. Michael Sirota, MDSan Diego, CA 921081558542423
  30. David Sitler, M.DSan Diego, CA 921231174536742
  31. Sureshan Sivananthan, MDSunnyvale, CA 940871578835187
  32. David Skaggs, MDLos Angeles, CA 900271245333061
  33. Daniel Skeoch, M.D.Deer Park, CA 945761154397321
  34. Mark Skinner, MDRoseville, CA 956611891873550
  35. Stephen Skinner, MDOakland, CA 946091528024569
  36. Nicolas Skordas, M.D.Travis Afb, CA 945351780909002
  37. John Skubic, M.D.Redlands, CA 923741164461224
  38. Robert Slater, MDFolsom, CA 956301427136183
  39. John Sledge, M.D.Los Angeles, CA 900491255319869
  40. Richard Slovek, M.D.Turlock, CA 953821609825405
  41. Michael Slutzker, M.D.Torrance, CA 905031306996186
  42. David Smalley, M.D.Riverside, CA 925011508801507
  43. Charles Smark, M.D.Camp Pendleton, CA 920551104053271
  44. Bat Smith, M.D.San Marcos, CA 920781295890101
  45. Bradley Smith, MDRed Bluff, CA 960801235164138
  46. Briant Smith, MDSanta Rosa, CA 954031639253628
  47. David Smith, M.D.La Jolla, CA 920371962497636
  48. David Smith, MDOrange, CA 928681871580159
  49. Jeffrey Smith, M.D.San Diego, CA 921111952324766
  50. Jennifer Smith, MDSan Diego, CA 921031811218712

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.