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 40 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. Robert Steffner, MDStanford, CA 943051174779284
  2. Daniel Stein, M.D.Fountain Valley, CA 927081205864477
  3. Gary Stein, M.D.Santa Rosa, CA 954051952344525
  4. Amy Steinhoff, M.D.San Marcos, CA 920781457530966
  5. Denise Stennette, M.D.Ventura, CA 930031063441327
  6. Hayk Stepanyan, M.D.Los Angeles, CA 900331790211696
  7. Scott Stephan, PALaguna Woods, CA 926371689905853
  8. Donald Stevenson, M.D.Inglewood, CA 903011770584047
  9. James Stewart, M.D.Redlands, CA 923731316140163
  10. Kalle Stidham, D.O.San Jose, CA 951281164627501
  11. Russell Stitzlein, M.D.Orange, CA 928681154681708
  12. Michael Stock, M.D.Larkspur, CA 949391235176306
  13. Michael Stone, MDWest Hollywood, CA 900481336550656
  14. Stephen Storey, M.D.Salinas, CA 939081043511314
  15. Ronald Stradiotto, MDVallejo, CA 945891487732202
  16. Michael Strauss, MDLong Beach, CA 908061700837457
  17. James Strazzeri, M.D.Mission Hills, CA 913451568467595
  18. Donald Striplin, M.D.Torrance, CA 905051104863323
  19. Charles Strotz, MDBerkeley, CA 947051568492791
  20. Charles Stuart, M.D.Larkspur, CA 949391942257910
  21. Shaunton Stubbs, DOModesto, CA 953501083300016
  22. Favian Su, MDSan Francisco, CA 941431801356472
  23. Lisa Su, MDLa Jolla, CA 920371417536806
  24. Michelle Sugi, M.D.Los Angeles, CA 900951568709996
  25. Alan Sull, M.D.Santa Monica, CA 904041194968834
  26. Christopher SullivanSan Diego, CA 921341063946424
  27. Michael Sun, M.D.San Diego, CA 921081437635406
  28. David Surdyka, MDVictorville, CA 923951356324461
  29. Michael Sutro, M. D.San Francisco, CA 941151780620401
  30. Stephen Suzuki, MDRiverside, CA 925011114923968
  31. Christopher Sweeny, MDSacramento, CA 958231306924063
  32. Stephan Sweet, M.D.Ventura, CA 930031639371735
  33. F. Craig Swenson, M.D.La Jolla, CA 920371942228432
  34. Joseph Swickard, M.D.Tustin, CA 927801083618623
  35. Hasan Syed, M.D.Loma Linda, CA 923541982816468
  36. Mark Sylvester, MDAuburn, CA 956031578629317
  37. Victor Szanto, M.D.Red Bluff, CA 960801952377210
  38. Khosrow Tabaddor, M.D.Los Angeles, CA 900341821247297
  39. Victor Tacconelli, MDSanta Barbara, CA 931111073693297
  40. Samuel Tacke, M.D.Merced, CA 953481235236993
  41. David Tai, M.D.Sacramento, CA 958161275592552
  42. Tadashi Takara, M.D.Ventura, CA 930031194054585
  43. Glenn Takei, MDDuarte, CA 910101568480929
  44. John Taketa, M.D.Oxnard, CA 930351124013057
  45. Julio Taleisnik, MDOrange, CA 928681679526529
  46. Kevin TaliaferroSan Francisco, CA 941431659613941
  47. Garrett Tallman, MDCarlsbad, CA 920111932176898
  48. Vikram Talwar, MDDanville, CA 945261164499901
  49. Benjamin Tam, M.DAlhambra, CA 918011306843255
  50. Ilan Tamir, MDLos Angeles, CA 900351811006653

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.