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 10 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. Erica Kasper, M.D.Fresno, CA 937211912160896
  2. Peter Katona, M.D.Marina Del Rey, CA 902921750300364
  3. Shereen Katrak, MDSan Francisco, CA 941171821315243
  4. Theodoros Katsivas, MDSan Diego, CA 921031679526164
  5. John Kaufmann, MDSanta Cruz, CA 950651265481949
  6. Amrita Kaur, D.O.Modesto, CA 953551568660439
  7. Avneet Kaur, M.D.Duarte, CA 910101326401043
  8. Michelle Kautz, DOSan Diego, CA 921341578183778
  9. Jocelyn KeehnerPoway, CA 920641396132460
  10. David Keller, MDMonterey, CA 939401619933157
  11. Carol Kemper, MDMountain View, CA 940401588628960
  12. Shubha Kerkar, MDPalm Springs, CA 922621538102207
  13. Andrew KerkhoffSan Francisco, CA 941431649664566
  14. Hannah Kern, M.D.Encinitas, CA 920241700270287
  15. Neelima Kethineni, M.D.Oakland, CA 946091629021662
  16. Jehanzaeb Khan, MDSan Diego, CA 921031538666458
  17. Saahir Khan, M.D., PH.D.Los Angeles, CA 900331033537014
  18. Pankaj Khemka, M.D.Anaheim, CA 928011295826790
  19. Malika Kheraj, MDRedwood City, CA 940631619055274
  20. Arbi Khodadadi, M.D.Pasadena, CA 911061730271099
  21. Teresa Khoo, MDLa Puente, CA 917441114361813
  22. Arya Khosravi, MDStanford, CA 943051538523030
  23. Nour Khouzam, MDTorrance, CA 905051427309285
  24. Aye Khyne, MDConcord, CA 945201659533982
  25. Emily KimMurrieta, CA 925631245766088
  26. Jocelyn Kim, MDLos Angeles, CA 900951639216815
  27. Joseph Kim, M.D.Pasadena, CA 911061568623049
  28. Minji KimLos Angeles, CA 900241265181853
  29. Moon KimLos Angeles, CA 900121942008750
  30. Melissa King, MDLong Beach, CA 908061417052341
  31. Theo Kirkland, M.D.La Jolla, CA 920371528079795
  32. See-Ruern Kitt, MDBakersfield, CA 933011710091749
  33. Jeffrey Klausner, MDSan Leandro, CA 945771508973249
  34. Vinicius Klee Lopes, M.D.Newport Beach, CA 926631033420476
  35. Daniel Klein, MDHayward, CA 945451245318096
  36. Russell Klein, MDEncino, CA 914361467436568
  37. Ahnika Kline, M.D., PH.D.San Diego, CA 921031093151995
  38. Ryan Knueppel, M.D.Santa Clara, CA 950511184896656
  39. Caroline Koan, M.D.Long Beach, CA 908131205298767
  40. Jane Koehler, MDSan Francisco, CA 941431689632747
  41. Alan KoffSacramento, CA 958171407239700
  42. Andreas Kogelnik, M.D., PH.D.Mountain View, CA 940401922113331
  43. Nancy Kollisch, M.D.San Diego, CA 921231528173960
  44. Likuo Kong, MDPleasanton, CA 945881518931047
  45. Joanna Kopacz, MDLaguna Hills, CA 926531275792368
  46. Jens KortLos Angeles, CA 900331164577854
  47. Catherine Koss, M.D.San Francisco, CA 941431861727950
  48. Yiannis Koullias, MDSan Francisco, CA 941211659752939
  49. Shawn Koura, M.D.Chula Vista, CA 919111407173149
  50. Michael Kozal, MDStanford, CA 943051104899160

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.