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 32 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. John Parker, M.D.Los Altos, CA 940241407937519
  2. William Parker, MDSalinas, CA 939011568535490
  3. Jay Parkin, MDFairfield, CA 945341780679340
  4. Ronna Parsa, D.O.Redondo Beach, CA 902771205133279
  5. Clayton Patchett, MDIrwindale, CA 917061033220660
  6. Ankur Patel, M.D.Los Angeles, CA 900331255697686
  7. Jay Patel, M.D.Orange, CA 928681982900890
  8. Kanu Patel, MDLa Palma, CA 906231295758498
  9. Matilal Patel, M.D., FRCS(C)Loma Linda, CA 923571285897710
  10. Ravi Patel, MDSacramento, CA 958161275572828
  11. Shayna Patel, PA-CCupertino, CA 950141265905947
  12. Tyag Patel, MDFairfield, CA 945341124518626
  13. Daniel Patton, MDRedlands, CA 923741326363557
  14. Michael Patzakis, M.D.Los Angeles, CA 900331649282823
  15. Alexandra Paul, MDSan Francisco, CA 941101861012379
  16. David Payne, MDSanta Ana, CA 927011760492193
  17. Soheil Payvandi, D.O.Sacramento, CA 958161821262247
  18. Michael Pearl, MDLos Angeles, CA 900481588731319
  19. Thomas Peatman, M.D.Oakland, CA 946111427041938
  20. Connor Peck, DOLa Jolla, CA 920371285165225
  21. Robert Pedowitz, MDLos Angeles, CA 900951235175563
  22. Andrew Pedtke, M.D.San Francisco, CA 941431427388362
  23. Hakan Pehlivan, M.D.San Diego, CA 921231679992200
  24. Miguel Pelegrina, MDFresno, CA 937201679651574
  25. Kevin Pelton, M.D.Los Angeles, CA 900331033282637
  26. Bryan PenalosaLoma Linda, CA 923541972035376
  27. Brad Penenberg, M.D.Beverly Hills, CA 902121831122266
  28. Andrew Pennock, M.D.San Diego, CA 921231619151685
  29. Kathryn Perkins Tift, M.D.Fountain Valley, CA 927081831382662
  30. Timothy Perrin, MDArroyo Grande, CA 934201922038330
  31. Michael Perrone, MDLos Angeles, CA 900331568875987
  32. Carl Petersen, MDGranite Bay, CA 957461245897669
  33. David Petersen, MDSan Diego, CA 921211750363149
  34. Alexander PetersonLos Angeles, CA 900331336502814
  35. Drew Peterson, MDSan Diego, CA 921081063473023
  36. Joseph Peus, M.D.Santa Barbara, CA 931051154341188
  37. Glenn Pfeffer, MDLos Angeles, CA 900481992847743
  38. Landrus Pfeffinger, MDLafayette, CA 945491033145602
  39. Christopher PhamBakersfield, CA 933091164981411
  40. Cory Pham, MDModesto, CA 953551811351729
  41. Duy Phan, MDLos Angeles, CA 900271538459730
  42. Kevin Phan, MDRancho Cucamonga, CA 917301033539150
  43. Thomas Phillips, MDLa Mirada, CA 906381639152333
  44. Thomas Phuriphan, MDWalnut Creek, CA 945961902984099
  45. Pasquale Picchione, MDPalm Springs, CA 922621740314897
  46. Raymond Pierson, M.D.Jackson, CA 956421720157274
  47. Stephen Pinney, MDSan Francisco, CA 941171184678674
  48. Jonathan Pire, MDSan Diego, CA 921231942845722
  49. William Pistel, D.O.Modesto, CA 953501518979418
  50. Arthur Platt, M.D.Rancho Mirage, CA 922701952611162

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.