NPPES file of Aug 9, 2026

Infectious Disease Physician in California

1,119 NPPES records list infectious disease physician with a practice address in California, 2.9 per 100,000 residents, the 25th 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 1 of 23.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RI0200X · 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, 147

  1. Los Angeles147
  2. San Francisco108
  3. San Diego76
  4. Stanford58
  5. Sacramento56

Infectious Disease Physician records in California

  1. Sanaz Abderrahmane, M.D.Sacramento, CA 958191902039902
  2. Shira Abeles, M.D.San Diego, CA 921031720240625
  3. Igor Abolnik, MDRureka, CA 955011194783829
  4. Firas Abubaker, MDCorona, CA 928821346255254
  5. Nehkonti Adams, M.D.San Diego, CA 921341194985705
  6. Paul Adamson, MD, MPHLos Angeles, CA 900951639558455
  7. Alina Adeel, M.DLa Jolla, CA 920371831453596
  8. Oladunni Adeyiga, MDLos Angeles, CA 900951801809751
  9. Jacqueline Adler, M.D.West Hills, CA 913071326094582
  10. Dipti Agrawal, MDPalo Alto, CA 943011437137189
  11. Manju Agrawal, M.D.Los Angeles, CA 900021902999220
  12. Apurva Akkad, MDLos Angeles, CA 900331760879340
  13. Mohammed Al-Jasim, MDEl Centro, CA 922431760479786
  14. Arash Alborzi, M.D.Glendale, CA 912061770582165
  15. Marcia Alcouloumre Senteno, MDLong Beach, CA 908131770502650
  16. Soubhi Alhayek, MDSacramento, CA 958171558990952
  17. Mohsen Aljayeh, MDRiverside, CA 925011770785859
  18. Salam Alkasspooles, MDLos Angeles, CA 900491548319965
  19. Susan Allen, MDNewport Beach, CA 926631841276805
  20. Paul AllynLos Angeles, CA 900951588831341
  21. Allen Ameri, M.D.Burbank, CA 915051922362425
  22. Navinchandra Amin, MDBakersfield, CA 933061871524553
  23. Abhinandan Anand Raman, MDStockton, CA 952041003478819
  24. Elizabeth Anderson, MDOakland, CA 946111922170760
  25. Rosa Andrade, MDOrange, CA 928681093919680
  26. Jason Andrews, MDStanford, CA 943051851528343
  27. Jean-Pierre Antaki, M.D.Glendale, CA 912051013972876
  28. Ayesha Appa, MDSan Francisco, CA 941101538587712
  29. Tomas Aragon, M.D., DR.P.H.San Francisco, CA 941021053633149
  30. Pushpalatha Arakere, M.D.Fresno, CA 937201154380343
  31. Arunmozhi Aravagiri-Do, MDMoreno Valley, CA 925551750888095
  32. Jonathan Arcobello, M.D.Loma Linda, CA 923541396131983
  33. Robert Armen, M.D.Orange, CA 928681225041080
  34. Eliah Aronoff-Spencer, MD, PHDSan Diego, CA 921031770737579
  35. Jenny Aronson, MDStanford, CA 943051770859985
  36. Michael Ascher, M.D.Lafayette, CA 945491033427505
  37. Fareed Asfour, M.D.Lakeport, CA 954531447343496
  38. Cameron Ashbaugh, MDSan Francisco, CA 941431114900537
  39. Gina Askar, MDOrange, CA 928681376168468
  40. Saima Aslam, M.D.San Diego, CA 921031477565257
  41. David Asmuth, M.D.Sacramento, CA 958171972573046
  42. Anand Athavale, MBBSPalo Alto, CA 943041275964371
  43. Vidya Atluri, MDLong Beach, CA 908221770912404
  44. Su Aung, M.D.San Francisco, CA 941431649513805
  45. Stanton Axline, M.D.Santa Monica, CA 904041437215803
  46. Ji Hoon Baang, MDLos Angeles, CA 900951386806594
  47. Oliver Bacon, M.D.San Francisco, CA 941431497863146
  48. Rachel Baden, M.D.Los Angeles, CA 900331750329975
  49. Adam Baghban, MDRiverside, CA 925051790050144
  50. Charles Bailey, M.D.Aliso Viejo, CA 926561245273119

Source: CMS NPPES, primary taxonomy 207RI0200X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 25 of 51 per resident

  1. Vermont2.9
  2. Hawaii2.9
  3. Wisconsin2.9
  4. California2.9
  5. Louisiana2.8
  6. Virginia2.8
  7. 50 states and D.C.3.2

Source: CMS NPPES, primary taxonomy 207RI0200X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

78.6% of these records appear in a Medicare file, against 79.0% 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. California78.6%
  2. United States79.0%

Infectious Disease Physician records in California, measured

  • In a Medicare file880 of 1,119 · 78.6% here, 79.0% nationally
  • In the CMS Doctors and Clinicians file735 · 65.7% here, 68.4% nationally
  • Not updated in five years or more657 · 58.7% here, 56.5% nationally
  • Median graduation year2003 · the 735 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RI0200X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,119 NPPES records list infectious disease physician (207RI0200X) as their primary taxonomy with a practice address in California: 2.9 per 100,000 residents against 3.2 nationally (50 states and D.C.). Los Angeles has 147 of them (13%).

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 York970
  2. Florida760
  3. Texas674
  4. Pennsylvania545

States with a similar rate per 100,000

  1. Wisconsin2.9
  2. Hawaii2.9
  3. Vermont2.9
  4. Louisiana2.8

The largest states

  1. New York970
  2. Florida760
  3. Texas674
  4. Pennsylvania545
  5. Massachusetts487

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.