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 6 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. Vanessa El Kamari, MDStanford, CA 943051235691957
  2. Dona El-Khoury, MDPalm Desert, CA 922111659990604
  3. Harvey Elder, M.D.San Bernardino, CA 924081487767489
  4. Marnie Elizaga, MDMenlo Park, CA 940251114131232
  5. Mark Ellis, MDFairfield, CA 945331144317462
  6. Zayn Endo, MDLoma Linda, CA 923501568020592
  7. David Epstein, MDPalo Alto, CA 943041790084978
  8. Kim Erlich, M.D.Burlingame, CA 940101447280813
  9. Antonio Escobedo, MDWhittier, CA 906031770756330
  10. Sarah Ettinger, M.D.Poway, CA 920641003471830
  11. Alexander Evens, D.O.Turlock, CA 953821114144649
  12. Camille Ezran, MDSacramento, CA 958171710621099
  13. Austin Fan, MDLos Angeles, CA 900331962963520
  14. John Fangman, MDSan Francisco, CA 941431881645737
  15. Michael Farber, M.D.Sacramento, CA 958141407087737
  16. Charles Farthing, MDBeverly Hills, CA 902111053305979
  17. Andrew FaulkSan Francisco, CA 941151598224222
  18. Taynet Febles, MDSanta Cruz, CA 950621669635082
  19. Martin Fee, MDNewport Beach, CA 926631124008537
  20. Randy Feldman, M.D.Los Angeles, CA 900481538192588
  21. Franco Felizarta, MDBakersfield, CA 933891629004957
  22. Anne Fenton, MDSan Francisco, CA 941431770110991
  23. Jessica Ferguson, MDStanford, CA 943051730573692
  24. Ingrid Fernandes, M.D.Concord, CA 945191356342638
  25. Milan Fiala, MDLos Angeles, CA 900951730270737
  26. Joshua Fierer, M.D.San Diego, CA 921031871525584
  27. Kenneth Fife, M.D.Novato, CA 949471497711865
  28. Scott Filler, M.D.Torrance, CA 905021184696684
  29. Mark Finch, M.D.Hayward, CA 945451730248196
  30. Michael Finney, M.D.Garden Grove, CA 928431144323361
  31. Jessica Fischer, M.D.Santa Monica, CA 904041184042368
  32. Ronald Fishbach, MDBeverly Hills, CA 902111184659617
  33. David Fisk, MDSanta Barbara, CA 931051821049297
  34. Nancy Fitch, N.P.Sacramento, CA 958171720047467
  35. Lynn Fitzgibbons, M.D.Santa Barbara, CA 931051285868539
  36. Michael Fitzgibbons, MDSanta Ana, CA 927051194727859
  37. Jacob Fleischmann, M.D.Los Angeles, CA 900271376563296
  38. Neil Flynn, M.D., M.P.H., ABPMSacramento, CA 958171154301935
  39. Christopher Foltz, M.D.Los Angeles, CA 900481245597962
  40. Jose Mario D Fontanilla, M.D.Roseville, CA 956611164528469
  41. Donald N Forthal, MDOrange, CA 928681215017363
  42. Nicole Fossas Braegger, MDLos Angeles, CA 900481336708825
  43. Jennifer Fulcher, M.D., PH.D.Los Angeles, CA 900951003117557
  44. David Fuller, M.D.Los Angeles, CA 900591962898692
  45. Hugh Fulmer, MDLynwood, CA 902621073689832
  46. Monica Fung, M.D., M.P.HSan Francisco, CA 941431871931584
  47. Daisuke FurukawaStanford, CA 943051326434614
  48. Anuj Gaggar, MDSan Francisco, CA 941431346417136
  49. Monica Gandhi, MDSan Francisco, CA 941101396700019
  50. Kevin GaneshApple Valley, CA 923071225563026

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.