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 18 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. George Sakoulas, MDSan Diego, CA 921011184647893
  2. Jorge Salazar, MDSan Francisco, CA 941431841796380
  3. Jorge Salinas, M.D.Stanford, CA 943051073742342
  4. Catherine Sallenave, M.D.Sacramento, CA 958171316927387
  5. Mindy Sampson, DOStanford, CA 943051528486057
  6. Patricia Samuels, MDLos Angeles, CA 900481336210459
  7. Harold Glenn San Agustin, M.D.Los Angeles, CA 900331215272067
  8. Alejandro Sanchez, MDLos Angeles, CA 900331417168097
  9. John Michael Sanchez, MDWest Hollywood, CA 900481770225195
  10. Katrina Anne Sandejas, MDClaremont, CA 917111992333538
  11. Alexandra Santiago-VazquezSacramento, CA 958111053623520
  12. Farjad Sarafian, MDIrvine, CA 926121881772911
  13. Praveena Sarma, MDTracy, CA 953761194793182
  14. Fred Sattler, M.D.Los Angeles, CA 900331104921303
  15. Tatsiana Savenka, MDSacramento, CA 958171912536632
  16. Cary Savitch, MDVentura, CA 930031518971084
  17. Maria Savoia, M.D.La Jolla, CA 920371710903075
  18. Dennis Schaberg, M.D.Los Angeles, CA 900731861594897
  19. Joanna Schaenman, M.D., PH.D.Santa Monica, CA 904041790956324
  20. Jeffrey Schapiro, MDVallejo, CA 945891235217803
  21. Gisela Schecter, M.D.Half Moon Bay, CA 940191174641468
  22. Melvin Scheer, MDSanta Monica, CA 904041386680684
  23. Stefan Schneider, MDLong Beach, CA 908131104849108
  24. Robert Schooley, MDSan Diego, CA 921031346298502
  25. Gary Schoolnik, MDStanford, CA 943051811023070
  26. Melissa Schreiber, PACarmichael, CA 956081841250222
  27. William Schwartzman, M.D.Los Angeles, CA 900731053365791
  28. Jake Scott, M.D.Stanford, CA 943051154696318
  29. Mary-Louise Scully, M.D.Santa Barbara, CA 931051487766275
  30. David Sears, MDSan Francisco, CA 941101700045333
  31. Rosalina See-Prats, M.D.Baldwin Park, CA 917061407865595
  32. Gary Segal, M.D.Long Beach, CA 908221750481677
  33. Uzi Selcer, MDEureka, CA 955011689770257
  34. Henry Selke, DOSan Jose, CA 951161730272535
  35. Sarah Semon, MDSacramento, CA 958171457988446
  36. Randolph Senining, MDBakersfield, CA 933091841216405
  37. Robert Shafer, M.D.Stanford, CA 943051659494904
  38. Atia Shah, M.DWest Covina, CA 917901710155676
  39. Beena Shah, M.D.Yorba Linda, CA 928861790795953
  40. Nael Shahatto, MDSan Bernardino, CA 924041922100320
  41. Hai Shao, M.D., PH.D.San Diego, CA 921301598841033
  42. Mayesha Sharaf, MDSacramento, CA 958171164124715
  43. Konark Sharma, M.D.Walnut Creek, CA 945981114975562
  44. Saarika Sharma, M.D.Vallejo, CA 945891134302052
  45. Shaurya Sharma, MBBS MDSan Jose, CA 951281124542253
  46. Shobha Sharma, DOMartinez, CA 945531326118290
  47. Anthony Shay, MDAnaheim, CA 928071497826374
  48. Richard Shen, M.D.San Leandro, CA 945781942663919
  49. Yunjia Shen, DOLong Beach, CA 908061558933564
  50. Rana Shenoy, M.D.Lancaster, CA 935341225136922

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.