NPPES file of Aug 9, 2026

Emergency Medicine Physician in California

7,751 NPPES records list emergency medicine physician with a practice address in California, 20 per 100,000 residents, the 28th 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 142 of 156.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207P00000X · 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, 632

  1. Los Angeles632
  2. San Diego496
  3. Sacramento369
  4. San Francisco289
  5. Oakland247

Emergency Medicine Physician records in California

  1. Alex Tsai, DOSan Mateo, CA 944031114504321
  2. Devin Tsai, D.O.Oakland, CA 946111962609958
  3. Jeannie Tsai, MDSan Francisco, CA 941291396956785
  4. Peter Tsai, MDBellflower, CA 907061942377809
  5. Virginia Tsai, MDSacramento, CA 958171760506901
  6. Vivian Tsai, M.D.Harbor City, CA 907101073781506
  7. Keith Tsang, MDPasadena, CA 911051831398759
  8. Kenyon Tsao, M.D.San Luis Obispo, CA 934011104152511
  9. Ti Tsay, MDBellflower, CA 907061942358742
  10. Stephen Tschinkel, MD, MPHCamp Pendleton, CA 920551801889647
  11. James Tse, DOTorrance, CA 905031144652496
  12. Angela Tseng, DOBakersfield, CA 933061598392177
  13. David Tseng, MDWest Hollywood, CA 900481437491511
  14. Peggy Tseng, MDLos Angeles, CA 900331740686856
  15. Peter Tseng, MDTorrance, CA 905051508921396
  16. Maria Tsiu, M.D.Sacramento, CA 958251780029868
  17. Rachel Tsolinas, MDSanta Clara, CA 950511174100838
  18. Jason Tsukamaki, M.D.Fresno, CA 937111215174602
  19. Khoa Tu, M.D.Bakersfield, CA 933061366707325
  20. Kevin Tubbs, D.O.Huntington Beach, CA 926471477504553
  21. John Tucker, MDPlacerville, CA 956671205976115
  22. Sandra Tuero, M.D.Thousand Oaks, CA 913601174561898
  23. Rabeya Tufail KhanRancho Mirage, CA 922701861160608
  24. David Tufenkian, MDLompoc, CA 934361477507879
  25. Sydney Tuffery, MDTorrance, CA 905021710484183
  26. Prabhakar Tummala, MDBoron, CA 935161780639344
  27. May Tun, M.D.Fairfield, CA 945341851787717
  28. Shirley Tung, MDTorrance, CA 905021912160243
  29. Daniel TupySonora, CA 953701730509134
  30. Achmed Turay, MDSelma, CA 936621699238147
  31. Claire Turchi, M.D.Stanford, CA 943051376675942
  32. Lavinia Turian, MDFresno, CA 937011548721400
  33. Henry Turkel, M.D., MPHAlameda, CA 945011679802276
  34. Austin Turnbow, DOTravis Afb, CA 945351457092371
  35. Elizabeth Turner, MDSanta Clara, CA 950511174794952
  36. Lorna Turner, MDFontana, CA 923351487702213
  37. Rachel Turner, MDSacramento, CA 958251073741724
  38. Richard Turner, M.D.San Mateo, CA 944011568485092
  39. Katren Tyler, M.D.Sacramento, CA 958171831170216
  40. Brittany Tyson, M.D.Los Angeles, CA 900331124559828
  41. Tzu-Jen Tzao, M.D.Los Angeles, CA 900591548453814
  42. Yusaku Uchimura, MDTustin, CA 927801487670873
  43. John Udeani, MDLos Angeles, CA 900271649328436
  44. Kavid Udompanyanan, M.D.Los Angeles, CA 900951861523987
  45. Janet Uhde, MDSanta Rosa, CA 954051518163443
  46. John Uhl, M.DMountain View, CA 940401376580522
  47. David Ulick, MDPasadena, CA 911091023019460
  48. Jeffrey Uller, M.D.Fresno, CA 937211528006855
  49. Skylar Ulrich, M.D.Corte Madera, CA 949251285655902
  50. Patrick Um, MDOxnard, CA 930301225175227

Source: CMS NPPES, primary taxonomy 207P00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 28 of 51 per resident

  1. Montana21
  2. Arizona20
  3. Kentucky20
  4. California20
  5. Virginia20
  6. North Carolina19
  7. 50 states and D.C.21

Source: CMS NPPES, primary taxonomy 207P00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

80.9% of these records appear in a Medicare file, against 81.5% 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. California80.9%
  2. United States81.5%

Emergency Medicine Physician records in California, measured

  • In a Medicare file6,272 of 7,751 · 80.9% here, 81.5% nationally
  • In the CMS Doctors and Clinicians file4,561 · 58.8% here, 58.7% nationally
  • Not updated in five years or more4,610 · 59.5% here, 54.8% nationally
  • Median graduation year2011 · the 4,560 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207P00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

7,751 NPPES records list emergency medicine physician (207P00000X) as their primary taxonomy with a practice address in California: 20 per 100,000 residents against 21 nationally (50 states and D.C.). Los Angeles has 632 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. New York5,025
  2. Texas4,885
  3. Florida4,034
  4. Pennsylvania3,911

States with a similar rate per 100,000

  1. Virginia19.8
  2. Kentucky20.0
  3. Arizona20.1
  4. North Carolina19.3

The largest states

  1. New York5,025
  2. Texas4,885
  3. Florida4,034
  4. Pennsylvania3,911
  5. Illinois3,291

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.