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 34 of 46.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207X00000X · method

Los Angeles has the most, 187

Orthopaedic Surgery Physician records in California

  1. Leroy Rasi, M.D.Freedom, CA 950191164524997
  2. Vicki Ratner, MDSan Jose, CA 951191871679308
  3. Richard Ravalin, MDMonterey, CA 939401407939572
  4. Cyril Rebel, MDMadera, CA 936371952479180
  5. Lyle Reber, M.D.La Quinta, CA 922531063444578
  6. Burton Redd, MDVisalia, CA 932771437269206
  7. Hemant Reddy, MDBurbank, CA 915051861952400
  8. Kartheek Reddy, MDSalinas, CA 939011972754877
  9. Praveen Reddy, MDFort Bragg, CA 954371255301842
  10. Louis Redix, MDBarstow, CA 923111215967609
  11. Hamid Redjal, M.D.Santa Barbara, CA 931011780875393
  12. Hillary Redlin, MDCorte Madera, CA 949251104904093
  13. Marty ReedLos Angeles, CA 900891316021975
  14. Timothy Reed, MDSan Francisco, CA 941431346827946
  15. James Reid, M.D.Beverly Hills, CA 902111336151455
  16. Sandra Reidel, MDSan Jose, CA 951191104998939
  17. Paul Reiman, MDCorona, CA 928791578532545
  18. Mark Reis, MDBeaumont, CA 922231982709432
  19. Robert Reisch, M.D.Los Angeles, CA 900071477661247
  20. Philip Reiswig, M.D.Loma Linda, CA 923571053425405
  21. Richard Ressman, MDCupertino, CA 950141649589888
  22. Dennis Rhyne, MDLaguna Hills, CA 926531033297072
  23. Samuel Rice, MDApple Valley, CA 923071780667899
  24. Shawn Richardson, MDRoseville, CA 956611477895597
  25. Enass Rickards, M.D.La Jolla, CA 920371609850080
  26. Andrew Ringnes, M.D.Truckee, CA 961611861627572
  27. David Riopelle, MDLos Angeles, CA 900331982187084
  28. Julian Rizos, M.D.San Francisco, CA 941431841080025
  29. Michael RoachRiverside, CA 925061326022815
  30. Michael Robbins, M.D.Chico, CA 959281093136913
  31. Antoine Roberts, M.D.Marina Del Rey, CA 902921114911880
  32. Heather RobertsSan Francisco, CA 941431427411487
  33. Djani RobertsonSan Diego, CA 921211902426968
  34. Keith Robertson, M.D.Westlake Village, CA 913611619033925
  35. Nicholas Robertson, MDOrange, CA 928681629352455
  36. Grant Robicheaux, M.D.Orange, CA 928691093994469
  37. Mark Robinson, M.D.Bishop, CA 935141487700084
  38. Jerrick Robker, DOSan Diego, CA 921211063876662
  39. Emilio Robles, DONewport Beach, CA 926601720641103
  40. Bruce Rodriguez, M.D.San Leandro, CA 945771356429104
  41. Maria Cristelle RodriguezFremont, CA 945381700510989
  42. Douglas Roger, M.D.Palm Springs, CA 922621649272337
  43. Tiffany Rogers, M.D., M.P.T.Torrance, CA 905051295725026
  44. Reza Roghani, M.D.Corona, CA 928791386941219
  45. Jeffrey Rohlfing, M.D.Susanville, CA 961271184917270
  46. Ronald Roiz, M.D.Loma Linda, CA 923541528443181
  47. Gene Roland, MDLa Jolla, CA 920371215165618
  48. Anthony Romero, M.D.Santa Barbara, CA 931051245250133
  49. Antonio Romero, M.D.Huntington Park, CA 902551407812399
  50. Denise Romero, M.D.Antioch, CA 945091194922542

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.