NPPES file of Aug 9, 2026

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in California

634 NPPES records list thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in California, 1.6 per 100,000 residents, the 33rd highest rate of 51. Los Angeles and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 7 of 13.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208G00000X · 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, 103

  1. Los Angeles103
  2. San Francisco45
  3. Palo Alto43
  4. San Diego39
  5. Sacramento37

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician records in California

  1. Tuan Lam, M.D.Fountain Valley, CA 927081124290713
  2. Victoria LamLos Angeles, CA 900481508467044
  3. John Lamberti, M.D.Palo Alto, CA 943041518038371
  4. Paul Lapunzina, MDSan Francisco, CA 941151720152333
  5. Craig LarsonSan Diego, CA 921231528183928
  6. Nguyen Le, MDLos Angeles, CA 900481275850489
  7. Christopher Leach, MDTorrance, CA 905051407852486
  8. Anson Lee, M.D.Palo Alto, CA 943041336237247
  9. Anthony Lee, M.D.Lynwood, CA 902621205857836
  10. Benny Lee, M.D.Visalia, CA 932911356348700
  11. Bradford Lee, MDLa Quinta, CA 922531285893149
  12. Hon Lee, MDStanford, CA 943051689753394
  13. Jay Lee, MDLos Angeles, CA 900951952326654
  14. Kenneth Lee, M.D.Palm Springs, CA 922621639161243
  15. Myles Lee, MDLynwood, CA 902621891716411
  16. Raymond Lee, M.D.Los Angeles, CA 900331134422934
  17. Sang Lee, M.D.San Jose, CA 951161356384796
  18. Teng Lee, M.D.San Francisco, CA 941431235397142
  19. Timothy Lee, M.D.Laguna Hills, CA 926531881988962
  20. Vincent Lee, M.D.Upland, CA 917861548421886
  21. Guy Lemire, M.D.Long Beach, CA 908031689632614
  22. Philippe Lemoine, MDSanta Monica, CA 904031609878123
  23. Alexander Leung, MDLoma Linda, CA 923541447593637
  24. Karl Limmer, M.DSan Diego, CA 921231871757294
  25. John Lin, M.D.Fresno, CA 937201992961270
  26. Douglas Liou, M.D.Palo Alto, CA 943041891052080
  27. Virginia Litle, MDSan Francisco, CA 941091598702284
  28. Minghui Liu, MD, PHDStockton, CA 952031629274782
  29. Daniel Logsdon, MDRancho Mirage, CA 922701437506821
  30. Stephen Londe, M.D.Los Angeles, CA 900771629220025
  31. James Longoria, M.D.Sacramento, CA 958161306845888
  32. Natalie Lui, M.D.Palo Alto, CA 943041467694265
  33. Hubert Luu, M.D.Sacramento, CA 958191043552490
  34. Michael Ma, M.D.Palo Alto, CA 943041134445158
  35. John Macarthur, M.D.Palo Alto, CA 943041891957106
  36. Albert Macksood, M.D.Carlsbad, CA 920101184861171
  37. James Macmillan, MDModesto, CA 953501366499584
  38. John Macoviak, M.D.Atherton, CA 940271679798839
  39. Michael Madani, MDSan Diego, CA 921031518999069
  40. Kathy Magliato, MDSanta Monica, CA 904051174629455
  41. Patrick Maguire, MDMountain View, CA 940401518327931
  42. Tom Mahendra, MDLancaster, CA 935341205923646
  43. Amirhossein Mahfoozi, M.D.Los Angeles, CA 900481205095635
  44. Ali Mahtabifard, MDOrange, CA 928681801872593
  45. Richard Mainwaring, MDPalo Alto, CA 943041013934702
  46. Jad Malas, MDWest Hollywood, CA 900481437738598
  47. Farshad Malekmehr, M.D.Van Nuys, CA 914051710904651
  48. Demetrios Mallios, MDLos Angeles, CA 900331144763095
  49. Simon Maltais, MDThousand Oaks, CA 913601457665911
  50. Michael Mann, MDSan Francisco, CA 941431659337426

Source: CMS NPPES, primary taxonomy 208G00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 33 of 51 per resident

  1. Rhode Island1.6
  2. Mississippi1.6
  3. South Dakota1.6
  4. California1.6
  5. Texas1.6
  6. Oregon1.6
  7. 50 states and D.C.1.9

Source: CMS NPPES, primary taxonomy 208G00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

75.2% of these records appear in a Medicare file, against 76.2% 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. California75.2%
  2. United States76.2%

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician records in California, measured

  • In a Medicare file477 of 634 · 75.2% here, 76.2% nationally
  • In the CMS Doctors and Clinicians file408 · 64.4% here, 63.5% nationally
  • Not updated in five years or more372 · 58.7% here, 54.0% nationally
  • Median graduation year1997 · the 408 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208G00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

634 NPPES records list thoracic surgery (cardiothoracic vascular surgery) physician (208G00000X) as their primary taxonomy with a practice address in California: 1.6 per 100,000 residents against 1.9 nationally (50 states and D.C.). Los Angeles has 103 of them (16%).

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. Texas484
  2. Florida468
  3. New York446
  4. Pennsylvania377

States with a similar rate per 100,000

  1. South Dakota1.6
  2. Mississippi1.6
  3. Rhode Island1.6
  4. Iowa1.7

The largest states

  1. Texas484
  2. Florida468
  3. New York446
  4. Pennsylvania377
  5. Ohio310

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.