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 27 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. Stuart Marshall, M.D.La Jolla, CA 920371154345445
  2. Christopher Martin, M.D.Twentynine Palms, CA 922781518344431
  3. Daniel Martin, MDSanta Clara, CA 950511306923230
  4. Robert Martin, M.D.Castro Valley, CA 945461356318794
  5. Dru Martinez, MDSan Diego, CA 921231750084356
  6. Armen Martirosian, MDClovis, CA 936111114087046
  7. Douglas Mason, MDWalnut Creek, CA 945961811075971
  8. Richard Masserman, M.D.Van Nuys, CA 914051588877781
  9. Nicholas Mast, MDNovato, CA 949451932399698
  10. Gregory Masters, MDSanta Clara, CA 950511689750515
  11. Amir Matityahu, MDSan Francisco, CA 941101316997166
  12. Maximiliano Matos, M.D.Costa Mesa, CA 926261508961335
  13. Joseph Matthews, MDSan Jose, CA 951191326124827
  14. Joshua Matthews, MDFremont, CA 945381841428307
  15. John Mattson, MDBerkeley, CA 947051073545950
  16. Carter Maurer, M.D.San Diego, CA 921231629042031
  17. Michael Mauro, D.O.La Mirada, CA 906381285811695
  18. Talaat Maximous, MDBarstow, CA 923111649274176
  19. Brian Mayeda, MDTorrance, CA 905031346682804
  20. Robert Mayle, M.D.Stanford, CA 943051174710545
  21. Joseph Mayo, MDYorba Linda, CA 928861366522476
  22. Robert Maywood, M.D.San Diego, CA 921231487737524
  23. Noor Maza, MDStanford, CA 943051215556899
  24. Robert Mazurek, M.D.Ventura, CA 930031639191141
  25. Jessica McBeth, M.D.San Jose, CA 951281093742603
  26. Mark McBride, M.D.San Diego, CA 921231659381077
  27. David McCall, M.D.Mountain View, CA 940401710174750
  28. Jeremy McCandless, M.D.San Diego, CA 921031700074127
  29. Kyle McClintock, D.O.Roseville, CA 956781477831527
  30. James McClurg, M.D.San Diego, CA 921211306817895
  31. Joseph McCoy, M.D.Napa, CA 945581013019082
  32. Michael McDermott, M.D.Santa Rosa, CA 954051750365102
  33. Edward McDonald, DORancho Mirage, CA 922701578058392
  34. Shannon McDonald, MDRedwood City, CA 940631821176462
  35. Mitchell McDowell, DOCorona, CA 928791063711976
  36. Peter McGann, M.D.Fresno, CA 937201386757409
  37. Jeffrey McGillicuddy, MDManteca, CA 953361871698993
  38. Erik McGoldrick, M.D.Eureka, CA 955031528258738
  39. Steven McGrath, MDVallejo, CA 945891639257462
  40. Michael McGraw, DOStanford, CA 943051184208738
  41. Sean McIntire, M.D.Camp Pendleton, CA 920551174882054
  42. Owen McIvor, M.D.Highland, CA 923461538108337
  43. Thomas McKenzie, MDLodi, CA 952401083709638
  44. John McKeon, MDTravis Afb, CA 945351437712510
  45. Laurence McKinley, M.D.Escondido, CA 920251194719799
  46. O McKinley, MDBerkeley, CA 947051558474460
  47. Brandon McKinney, D.O.Orange, CA 928681902359995
  48. Braden McKnight, MDSan Diego, CA 921111366983587
  49. William McMaster, M.D.Orange, CA 928681336175058
  50. Mia McNulty, MDMountain View, CA 940401467983270

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.