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 1 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. Cooper Aakhus, MDStanford, CA 943051194351007
  2. Pyra Aarden, MDMartinez, CA 945531417058199
  3. Neal Aaron, D.O.Encinitas, CA 920241114283520
  4. Eric AaserudeWalnut Creek, CA 945961811491194
  5. Nader Abas, MDBarstow, CA 923111346288305
  6. Michael Abbo, MDNovato, CA 949451205819042
  7. Daniel Abbott, MDFullerton, CA 928351518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA 946111710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA 943051457918740
  10. Ashraf Abdel-KerimChino, CA 917101396961538
  11. Diego Abdelnur, M.D.Hollywood, CA 900281164694907
  12. Amin Abdi, MDGlendale, CA 912081437438009
  13. Rushdi Abdul Cader, MDSan Luis Obispo, CA 934051891743431
  14. Rabiatu Abdullah, M.D.San Leandro, CA 945771497833248
  15. John AbedRiverside, CA 925031891724316
  16. Sarah Abedi, M.D.Los Angeles, CA 900341518320654
  17. Penny Ablin, M.D.Sonora, CA 953701861486813
  18. Lyn Aborn, MDHayward, CA 945451891873659
  19. Nicholas Abraham, M.D.Los Angeles, CA 900171770984098
  20. Aaron Abrahamsen, M.D.Chula Vista, CA 919111427204023
  21. Elijah Abramson, MDSacramento, CA 958251992334965
  22. Tiffany Abramson, MDLos Angeles, CA 900171154793586
  23. Andrew Abrass, M.D. M.P.HConcord, CA 945201538395017
  24. Matthew Abrishamian, MDOrange, CA 928681720516743
  25. Luis Abrishamian-Garcia, MDLos Angeles, CA 900331801059266
  26. Assibi Abudu, M.D.South El Monte, CA 917331376585042
  27. Andrew Accardi, M.D.Encinitas, CA 920241992781173
  28. Adrian Acevedo, MDBellflower, CA 907061407923303
  29. Jorge Aceves, M.D.Alameda, CA 945011801321229
  30. Hemang Acharya, M.D.Los Angeles, CA 900951720492721
  31. Janak Acharya, MDFresno, CA 937211376508721
  32. Pravin Acharya, MDBellflower, CA 907061104993088
  33. Peter Acker, MDStanford, CA 943051639480718
  34. Peter Ackerman, MDWalnut Creek, CA 945961427435023
  35. Aaron Mark Acosta, DOWalnut Creek, CA 945961538789987
  36. Jose Acosta, MDPalo Alto, CA 943051104454446
  37. Cristina Acosta-Padron, M.D.Los Angeles, CA 900151902122260
  38. Amy Adams, M.D.Petaluma, CA 949541700976610
  39. Andrew Adams, MDLaguna Beach, CA 926511174085260
  40. David Adams, M.DRedwood City, CA 940621891735643
  41. Jodi Adams, M.D.Petaluma, CA 949541962511766
  42. Linda Adams, M.D.Los Angeles, CA 900071518918440
  43. Alexei AdanCastro Valley, CA 945461679968978
  44. Aravind Addepalli, MDOakland, CA 946021871170142
  45. Charles Addo-Yobo, DOCorona, CA 928821821625955
  46. Omid Adibnazari, M.D.Torrance, CA 905021134573124
  47. Mette-Margrethe Adkisson, M.D.San Diego, CA 921201528288081
  48. Noujan Adl-Tabatabai, MDBurbank, CA 915051174693352
  49. Jasjit Adlakha, MDSolvang, CA 934631982193090
  50. Alexander Adler, MDWest Hollywood, CA 900481538807474

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.