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 43 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. Christopher Veneziano, M.D.Laguna Woods, CA 926371689639981
  2. Edward Venn-Watson, M.D.San Diego, CA 921031851307904
  3. Eric Venn-Watson, MDSan Diego, CA 921061275506693
  4. Kenneth Venos, M.D.Pleasanton, CA 945881154326288
  5. Ralph Venuto, M.D.Newport Beach, CA 926601467489138
  6. Michael Vercillo, M.D.Thousand Oaks, CA 913611376767723
  7. Norman Verhoog, MDRed Bluff, CA 960801558388066
  8. Mark Via, M.D.Merced, CA 953481568553824
  9. Lawrence Vierra, D.O.Union City, CA 945871376584854
  10. Abby Viglione, MDSacramento, CA 958171972207801
  11. Kelly Vince, M.D.Los Angeles, CA 900331568474815
  12. Matthew VincentSanta Monica, CA 904041962964700
  13. Zachary Visco, MDSan Diego, CA 921231053993634
  14. Ryan Vitali, M.D.Roseville, CA 956611801037692
  15. Robert Vogel, M.D.Yuba City, CA 959911174508113
  16. Kevin Vogeli, M.D., PH.DLos Angeles, CA 900331891063913
  17. James Voigtlander, MDRoseville, CA 956611306924030
  18. Louis Volpicelli, MDMarina Del Rey, CA 902921811091184
  19. Peter Von Rogov, MDSan Francisco, CA 941151891871075
  20. Sabina Vonglinski, MDWalnut Creek, CA 945961467596197
  21. Michael Vostrejs, MDSan Francisco, CA 941151366520959
  22. Mark Vrahas, MDLos Angeles, CA 900481255315222
  23. Emil Vutescu, MDGreenbrae, CA 949041356870638
  24. Mark WainerSanta Cruz, CA 950651982684221
  25. Paul Wakim, D.O.Huntington Beach, CA 926481891857405
  26. Jerald Waldman, MDMission Viejo, CA 926911659339414
  27. Amanda Walker, M.D.San Jose, CA 951191992916381
  28. Kyle Walker, M.D.Sacramento, CA 958171932542701
  29. Lawrence Walker, MDLake Arrowhead, CA 923521083619910
  30. Richard Walker, M.D.La Jolla, CA 920371255378550
  31. Sarah Walker, MDLos Angeles, CA 900271386054591
  32. William Wall, M.D.San Jose, CA 951281669407342
  33. Charles Wallace, M.D.San Diego, CA 921231144229600
  34. Christopher Walter, D.O.Sonoma, CA 954761447420732
  35. Christopher Walthour, MDTracy, CA 953761811976640
  36. David Wang, MDVan Nuys, CA 914051396364121
  37. David Wang, M.D.Sacramento, CA 958161538288337
  38. Lingjun WangLos Angeles, CA 900331295944429
  39. Abner Ward, M.D.Merced, CA 953401063531291
  40. Derek Ward, M.D.San Francisco, CA 941581649596933
  41. Michelle Ward, M.D.Pomona, CA 917671427096676
  42. Frederic Washburn, DOSan Francisco, CA 941581841811213
  43. Eleby Washington, M.D.Marina Del Rey, CA 902921154315273
  44. Andrew Wassef, M.D.Lakewood, CA 907121982848099
  45. Ezzat Wassef, M.D.Lakewood, CA 907121427063197
  46. Robert Waters, M.D.Downey, CA 902421538241237
  47. Bill Watson, MDChico, CA 959281578522751
  48. Elizabeth Watson, MDSouth San Francisco, CA 940801467530071
  49. James Watson, M.D.Redlands, CA 923731790724391
  50. Nicholas Wegner, MDNewport Beach, CA 926601699917492

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.