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 42 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 Torres, M.D.Los Angeles, CA 900251659502813
  2. John Torris, MDRoseville, CA 956611407934078
  3. Dale Townsend, MDSan Leandro, CA 945771720166572
  4. Steven Tradonsky, M.D.San Diego, CA 921111013910900
  5. Daniel TranLos Angeles, CA 900271467862326
  6. Hoang Tran, MDWoodland, CA 956951487606711
  7. Trieu Tran, M.D.Fountain Valley, CA 927081528179660
  8. Kenneth Trauner, MDSan Francisco, CA 941181750469532
  9. Paul Treuhaft, MDSanta Rosa, CA 954091538117353
  10. Michael Trindade, M.D.Stanford, CA 943051114116779
  11. Mohan Tripathi, M.D.San Diego, CA 921031194080168
  12. Andromahi TrivellasSan Diego, CA 921111962909093
  13. Myra TrivellasNewport Beach, CA 926601194256818
  14. Edward Troy, M.D.Newport Beach, CA 926631730392192
  15. Marc Trzeciak, D. O.Modesto, CA 953501033111026
  16. Eugene Tsai, M.DLos Angeles, CA 900271922006378
  17. Dominic Tse, M.D.San Francisco, CA 941331427148295
  18. Susan Tseng, MDSacramento, CA 958171356403182
  19. Paul Tsou, MDLos Angeles, CA 900951255407714
  20. Barry Tuch, M.D.Gilroy, CA 950201881640787
  21. Allison Tucker, MD, MSC, FRCSCSan Francisco, CA 941101780107425
  22. Charles Turek, M.D.Torrance, CA 905051962459388
  23. Matthew Tweet, MDSacramento, CA 958161003017971
  24. James Umber, MDRed Bluff, CA 960801750498523
  25. Aasis Unnanuntana, MDStanford, CA 943051912034505
  26. Vidyadhar Upasani, M.D.San Diego, CA 921231548417652
  27. Alexander Upfill-BrownLos Angeles, CA 900951659830529
  28. Christopher Urband, MDSan Diego, CA 921281376834572
  29. Christopher Urell, DOMoreno Valley, CA 925551114485000
  30. James Ushiba, MDSalinas, CA 939011801846431
  31. Kudret Usmani, MDSan Francisco, CA 941101205337508
  32. Suketu Vaishnav, MDFountain Valley, CA 927081912087750
  33. Fayegh Vakili, M.D.Hawthorne, CA 902501184724643
  34. Josiah Valk, DOSan Diego, CA 921211619534963
  35. Damion Valletta, D.O.San Diego, CA 921111205885951
  36. Lindsey Valone, M.D.San Francisco, CA 941181528206497
  37. Leo Van Dolson, MDParadise, CA 959691174536445
  38. Grietje Van Dyk, MDLos Alamitos, CA 907201003126830
  39. Jennifer Van Warmerdam, M.D.San Francisco, CA 941171922232404
  40. Michael Vance, M.D.Orange, CA 928681447433669
  41. Raymond Vance, M.D.San Diego, CA 921171407818743
  42. Warren Vance, M. D.Placerville, CA 956671932145265
  43. Wyatt Vander Voort, MDTravis Afb, CA 945351366902652
  44. Dale Vankirk, M.D.Santa Barbara, CA 931011669622593
  45. Michael Vanmanen, DOTwentynine Palms, CA 922781962666776
  46. Anuj Varshney, M.D.Hanford, CA 932301518177104
  47. Phillip Vartanyan, MDIrvine, CA 926181538740584
  48. Clayton Vaughan, M.D.Oceanside, CA 920551326484403
  49. Zackary Vaughn, MDSanta Clara, CA 950511649305772
  50. Andrea Veljkovic, M.D., FRCSC, BCOMMVan Nuys, CA 914051548577562

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.