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 26 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. Brandon Lung, MDLos Angeles, CA 900481407413412
  2. Jeffrey Luo, MDWalnut Creek, CA 945961477627073
  3. Louis Lurie, MDChula Vista, CA 919101730189283
  4. John Lusche, M.D.Pasadena, CA 911051235144882
  5. Andrew Luu, M.D.La Habra, CA 906311720420946
  6. Robert Lyell, MDArcata, CA 955211487751749
  7. Steven Ma, M.D.Santa Ana, CA 927051720140494
  8. Robert Macarthur, MDOrange, CA 928681508949470
  9. Michael Macavoy, MDSouth San Francisco, CA 940801447338009
  10. Robert Mack, M.D.Rancho Mirage, CA 922701366406407
  11. Allan MackenzieVentura, CA 930031467597252
  12. Donald Macko, MDCarmichael, CA 956081508140187
  13. Victor Macko, M.D.Stockton, CA 952091720085921
  14. Chad Maclachlan, MDVallejo, CA 945891154493427
  15. Jeffrey Maclean, M.D., M.S.Stockton, CA 952041043535081
  16. Aoife Macmahon, MDSan Diego, CA 921031366012684
  17. Christine MagdalenoOrange, CA 928681366376246
  18. Brian Magovern, MDTorrance, CA 905031386687606
  19. Carl Maguire, M.D.San Diego, CA 921231578640355
  20. Michael Maguire, MDSanta Barbara, CA 931051063404317
  21. Shahab Mahboubian, D.O.North Hollywood, CA 916021144439316
  22. Kenny Mai, M.D,Hanford, CA 932301962426064
  23. Michael Mai, MDCorona, CA 928831124025598
  24. Kamran Majid, MDOakland, CA 946111528266178
  25. Talal Malhis, M.D.Whittier, CA 906031821036864
  26. Richard Malinick, M.D.San Dimas, CA 917731184629131
  27. Daniel Mallamo, PARedding, CA 960011346352572
  28. J. Maloney, M.D.Visalia, CA 932911609825348
  29. Robert Malstrom, MDPleasanton, CA 945881073518106
  30. James Mamone, M.D.Roseville, CA 956611255436358
  31. Davinder Mand, MDSanta Monica, CA 904041790364909
  32. Peter Mandell, M.D.Burlingame, CA 940101811055734
  33. Devin Mangold, M.D.Fresno, CA 937201326427444
  34. Danilo Manimtim, MDFresno, CA 937101477663854
  35. Nahid ManjraLos Angeles, CA 900331356559363
  36. Jeffrey Mann, M.D.Oakland, CA 946091114964400
  37. John Manning, M.D.San Diego, CA 921031477964146
  38. David Manske, MDSacramento, CA 958231346328069
  39. Timothy Mar, M.D.Sacramento, CA 958161932199320
  40. Richard Marafioti, M.D.Los Angeles, CA 900241528271590
  41. Michael Marandola, MDMission Viejo, CA 926911013974393
  42. Kent Marangi, MDMission Viejo, CA 926911477510758
  43. Howard Marans, M.D.Santa Ana, CA 927051093713513
  44. Bala Marar, M.DBenicia, CA 945101801968466
  45. Geoffrey Marecek, MDLos Angeles, CA 900331114183472
  46. Michael Marger, MDLos Angeles, CA 900451487629671
  47. Jeffrey Margolis, M.D.Los Angeles, CA 900891881767192
  48. James Marino, M.D.Poway, CA 920641033293840
  49. Harry Marinow, M.D.Long Beach, CA 908131679669444
  50. Brandon Marshall, MDSan Diego, CA 921231891362257

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.