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 7 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. Charles Garcia, MDHarbor City, CA 907101881753465
  2. Nelson Garcia, MDBellflower, CA 907061932257995
  3. Steven Gardner, M.D.San Diego, CA 921231295731990
  4. Piero Garzaro Garcia, MDStockton, CA 952101720166531
  5. Thaidra Gaufin, MDLos Angeles, CA 900331851634745
  6. Cyril Gaultier, MDPalm Springs, CA 922641285681882
  7. Paula Gaut, M.D.Los Angeles, CA 900481215965348
  8. Ted Gay, MDVista, CA 920841043382104
  9. Pryce Gaynor, M.D.Los Angeles, CA 900951972916955
  10. Peter Geiseler, M.D.Los Angeles, CA 900331760418016
  11. William George, M.D.Los Angeles, CA 900731245281617
  12. Hebah Ghanem, MDFresno, CA 937011750867453
  13. Jean GibbLos Angeles, CA 900331700204260
  14. Navneet Gill, M.D.Modesto, CA 953501568780070
  15. Jay Gladstein, M.D.Los Angeles, CA 900361154428613
  16. Richard Glimp, MDTorrance, CA 905051740260355
  17. Daniel Gluckstein, M.D.Pomona, CA 917671598703654
  18. Vera Go, M.D.Sacramento, CA 958171225012750
  19. Marianne Go-Wheeler, M.D.Santa Ana, CA 927051740627280
  20. Matthew Goetz, MDLos Angeles, CA 900731861502601
  21. Shruti Gohil, M.D., M.P.H.Orange, CA 928681851375398
  22. Miguel Goicoechea, M.D.La Jolla, CA 920371588678775
  23. Ariella Goldblatt, M.D., M.S.San Diego, CA 921231922461557
  24. Ellie Goldstein, M.D.Santa Monica, CA 904041891710976
  25. Philip Goldstein, MDFountain Valley, CA 927081316353758
  26. Angela Gomez-Simmonds, M.D.Sacramento, CA 958171750541561
  27. Daniel Goodman, M.D.San Francisco, CA 941141487765913
  28. David Goodman, MDLos Angeles, CA 900951760821888
  29. Reid GoodmanLos Angeles, CA 900331134756224
  30. Lisa Gooze, MDSan Mateo, CA 944031053484162
  31. Shelley Gordon, M.D.San Francisco, CA 941151841334521
  32. Aleksandr GorinLos Angeles, CA 900951669933511
  33. Matthew Gosen, MDSacramento, CA 958171013598424
  34. Kerry Gott, M.D.Pomona, CA 917671013955186
  35. Christopher Graber, M.D.Los Angeles, CA 900731265487896
  36. Justin Graham, MDFairfield, CA 945331386751477
  37. Philip Grant, MDStanford, CA 943051205949070
  38. Susannah Graves, MDSan Francisco, CA 941101427352632
  39. Gary Green, MDSanta Rosa, CA 954031124102108
  40. Nella Green, M.D.Poway, CA 920641538393699
  41. Bryan Greenhouse, MDSan Francisco, CA 941211063561918
  42. Aric Gregson, MDLos Angeles, CA 900951588683007
  43. Harkiran Grewal, MDCastro Valley, CA 945461790022416
  44. Richelle Guerrero-Wooley, M.DLoma Linda, CA 923541104255348
  45. Karen Michelle Guiang, D.O.Claremont, CA 917111871738344
  46. Helen Gunthorpe, M.D.San Francisco, CA 941091588760565
  47. Geeta K Gupta, MDOrange, CA 928681558441600
  48. Jyoti GuptaFremont, CA 945381063510857
  49. Nupur Gupta, D.O.Oakland, CA 946091417375940
  50. Mary Ellen Guroy, MDSan Rafael, CA 949011801971882

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.