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 2 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. Emma Bainbridge, MD, MPHSan Francisco, CA 941101427443811
  2. Mariam Bakhtary, MDWest Hills, CA 913071134492895
  3. Irene Bakman, MDPomona, CA 917671881856995
  4. Christine Balekian, M.D.Sylmar, CA 913421528216645
  5. Gonzalo Ballon-Landa, M.D.San Diego, CA 921031326266081
  6. Sandeep Bansil, M.D.Downey, CA 902411184799124
  7. Joseph Baran, MDSan Diego, CA 921051609895192
  8. Muni Barash, M.D.Fremont, CA 945381962428896
  9. Melissa Barger, M.D.Ventura, CA 930031598020968
  10. Pennan Barry, MD, MPHRichmond, CA 948041225293111
  11. Sohanjeet Bassi, MDClaremont, CA 917111609850635
  12. Paul Baum, MD, PHDSan Francisco, CA 941101154525004
  13. Grace Bautista, M.D.Pasadena, CA 906401215021720
  14. Omer Beaird, MDLos Angeles, CA 900951437412046
  15. Clifford Beck, M.D.Torrance, CA 905021699754135
  16. David Beenhouwer, MDLos Angeles, CA 900731689771370
  17. Nasima Begum, MDClaremont, CA 917111578547519
  18. Manie Beheshti, M.D.Baldwin Park, CA 917061891884904
  19. Michael Ben-Aderet, MDSylmar, CA 913421669730990
  20. Eran Bendavid, MDStanford, CA 943051144330069
  21. Jeffrey Bender, MDDuarte, CA 910101114196508
  22. Constance Benson, M.D.San Diego, CA 921031871541664
  23. Myron Berdischewsky, M.D.Studio City, CA 916041013068931
  24. Stephen Berman, MD, PHDLong Beach, CA 908221043321060
  25. Jorge Bernett, M.D.Walnut Creek, CA 945981366460081
  26. Carol Berry, MDSacramento, CA 958171669550307
  27. Steven Beutler, MDSan Bernardino, CA 924041184630121
  28. Bipinchandra Bhagat, M.D.Victorville, CA 923951306046123
  29. Ajay Bharti, MDSan Diego, CA 921031902954910
  30. Gulshan Bhatia, MDSan Jose, CA 951281588639181
  31. Debika Bhattacharya, MDLos Angeles, CA 900351316937014
  32. Salahuddin Bibi, M.D.Modesto, CA 953551952350365
  33. Joseph Bick, M.D.Vacaville, CA 956871801088935
  34. Peter Binstock, M.D.Walnut Creek, CA 945981487686838
  35. Morgan BirabaharanSan Diego, CA 921031992331862
  36. Roger Bitar, MDPoway, CA 920641225153737
  37. Brian Blackburn, MDStanford, CA 943051861542680
  38. Cherie Blair, MDLos Angeles, CA 900951578980637
  39. Catherine Blish, MDStanford, CA 943051710067285
  40. Emily Blodget, MD, MB, BCH, BAOOrange, CA 928681033379268
  41. Ingrid Blomquist, M.D.Loma Linda, CA 923541285651646
  42. Gary Bluestone, DOBaldwin Park, CA 917061639227614
  43. Jonathan Blum, MDSanta Clara, CA 950511891872735
  44. Martha Blum, MDMonterey, CA 939401427250752
  45. Bonnie Bock, MDNewport Beach, CA 926631225226558
  46. John Boggs, M.D.Palo Alto, CA 943011982719480
  47. Daniel Boken, M.D.Visalia, CA 932911538250808
  48. Paul Bollyky, MD, PHDStanford, CA 943051902024367
  49. Hector Bonilla, MDStanford, CA 943051225115371
  50. Adam BortnerSan Diego, CA 921031811491749

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.