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 7 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. Zaza Atanelov, MDWest Hollywood, CA 900481487188116
  2. Brooke Atkinson, DOPalm Springs, CA 922621184203838
  3. Syama Atluri, M.D.Baldwin Park, CA 917061154491199
  4. Massud Atta, MDOroville, CA 959661851956684
  5. Abraam AttiaLoma Linda, CA 923541578268678
  6. Francis Attwill, D.O.Bakersfield, CA 933121639407695
  7. Calvin Au, D.O.Palm Springs, CA 922621972957678
  8. Emily Au, MDSan Francisco, CA 941101427583996
  9. Veronique Au, MDPetaluma, CA 949541255399531
  10. Dean Aubin, M.D.Orange, CA 928691932391869
  11. Frederic Auerbach, MDLancaster, CA 935341023074713
  12. Lauren Auerbach, MDFremont, CA 945381033678990
  13. Jeanmarc Ault-Riche, MDPalm Springs, CA 922621609434307
  14. Elisa Aumont, M.D.Lake Arrowhead, CA 923521184660318
  15. Andrea Austin, M.D.San Diego, CA 921341811289093
  16. Jonathan Auten, D.O.San Diego, CA 921341134190259
  17. Kayla Authelet, MDOakland, CA 946021972207942
  18. Elizabeth Avakoff, DO, MPHSan Francisco, CA 941101538798111
  19. Leigh Avera, D.O.Colton, CA 923241083954390
  20. Alfonso AvilaColton, CA 923241124413182
  21. Cesar Avila, M.D.El Centro, CA 922431871818831
  22. Jailyn Avila, M.D.Temecula, CA 925921740549419
  23. Jennifer Avila, M.D.Santee, CA 920711437143088
  24. Liezl Avila, D.O.Upland, CA 917861487064515
  25. Julianne Awrey, M.D.Ventura, CA 930031114246287
  26. Erik Axene, MDLoma Linda, CA 923541417249582
  27. Nagehan Ayakta, MDTemecula, CA 925921063091767
  28. Alexander Ayala, MD, MPHSan Jose, CA 951281396262549
  29. Jose Ayala, MDOakland, CA 946111083792881
  30. Tyler Ayalin, M.D.Orange, CA 928681124274915
  31. Arbi AyvazianColton, CA 923241336409291
  32. Sergey Ayvazyan, MDBurbank, CA 915041902084148
  33. Arsalan AzamSan Diego, CA 921071487053336
  34. Stanley Azen, M.D.Van Nuys, CA 914051457392847
  35. Kian Azimian, M.D.Bakersfield, CA 933011952385544
  36. Chad Baasen, M.D.Oceanside, CA 920551134117955
  37. Caroline Baber, DOPalm Springs, CA 922621568068781
  38. Ralph Baca, M.D.Tarzana, CA 913561538102082
  39. Howard Backer, MDBerkeley, CA 947201962580712
  40. Andrea Backes, M.D.Baldwin Park, CA 917061831158104
  41. Stephen Backman, D.O.Merced, CA 953401144250721
  42. Edward Baddour, MDSouth San Francisco, CA 940801013095645
  43. Austin Badeau, MDOrange, CA 928681972922342
  44. Nader BadriRiverside, CA 925011861020711
  45. Avigile Baehr, MDRedding, CA 960011285096594
  46. George Baehr, M.D.La Jolla, CA 920371083615512
  47. Joanna BaginskiSacramento, CA 958171568447456
  48. Mehran Baheri, M.D.Los Angeles, CA 900251801944277
  49. Shahnam Bahrami, M.D.Highland, CA 923461184834954
  50. Shahram Bahrami, M.D.Fresno, CA 937031578771010

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.