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 29 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. William Mohlenbrock, MDLa Jolla, CA 920371053334243
  2. David Mohler, M.D.Stanford, CA 943051528154424
  3. Lester Mohler, MDSan Diego, CA 921081548220080
  4. James Moitoza, M.D.San Diego, CA 921211538153747
  5. Pavel Moldavskiy, M.D.Bakersfield, CA 933111942623582
  6. David Molho, MDLaguna Woods, CA 926371073040796
  7. Ricardo Molina, MDFremont, CA 945381063446953
  8. Christopher Molitor, M.D.Placerville, CA 956671407890924
  9. Thomas Montell, MDTorrance, CA 905031548322217
  10. William Montgomery, MDSan Francisco, CA 941171881756450
  11. Charles Moon, M.D.Los Angeles, CA 900481376527440
  12. Mark Mooney, M.D.Templeton, CA 934651730253584
  13. Tyler Moore, MDOrange, CA 928681821351875
  14. Steve Mora, M.D.Orange, CA 928681780747287
  15. John Moreland, MEDICAL DOCTORSanta Monica, CA 904041437217577
  16. Nial Morgan, M.D.Santa Ana, CA 927051215085519
  17. Mark Morishige, MDLos Altos, CA 940241619197639
  18. John Morris, MDMission Viejo, CA 926911396703161
  19. Stephen Morris, MDChico, CA 959281689643876
  20. Martin Morrison, M.D.Loma Linda, CA 923541326206335
  21. Saam Morshed, M.D.San Francisco, CA 941431629100243
  22. Colin Moseley, M.D.Los Angeles, CA 900201790758969
  23. Max Moses, MDFremont, CA 945361497839708
  24. Harvey Moskovitz, MDSanta Rosa, CA 954031588748560
  25. Soheil Motamed, MDFremont, CA 945381053323931
  26. William Mourad, M.D.Santa Barbara, CA 931031821133679
  27. Laura Mourafetis, M.D.Orange, CA 928681053845750
  28. Kamran Movassaghi, MDLos Angeles, CA 900331962909218
  29. Thomas Moyad, MDLa Mesa, CA 919421013921386
  30. Stephen Moye, MDLos Angeles, CA 900331467254821
  31. Scott Mubarak, M.D.San Diego, CA 921231114098977
  32. Milton Mudge, MDColton, CA 923241013053727
  33. Ram Mudiyam, MDNewport Beach, CA 926601417957093
  34. Matthew Muffly, M.D.Torrance, CA 905021700147311
  35. Richard Muir, M.D.Oceanside, CA 920561376503433
  36. Michael Muldoon, M.D.San Diego, CA 921111356428148
  37. Jeffrey Mulvihill, MDSanta Rosa, CA 954031952782435
  38. Alana Munger, MDDuarte, CA 910101447740766
  39. Jothi Murali, M.D.Campbell, CA 950081588866602
  40. Gary MurataStockton, CA 952041134174287
  41. Mark Murphy, MD,PHDSan Diego, CA 921611265533186
  42. Michael Murphy, M.D.San Diego, CA 921031366794182
  43. Robert Murphy, M.D.Rancho Mirage, CA 922701538184650
  44. Kevin Murray, MDLos Gatos, CA 950321740361575
  45. Kiauntee MurraySan Francisco, CA 941431811351273
  46. Adam Murrietta, MDStanford, CA 943051558823435
  47. H. Michael Mynatt, MDLos Angeles, CA 900271326100207
  48. Kevin Nadel, M.D.West Hills, CA 913071407822935
  49. Stephen Nagy, MDSacramento, CA 958231629156351
  50. Soheil Najibi, M.D., PH.DBurbank, CA 915051215003686

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.