NPPES file of Aug 9, 2026

Nephrology Physician in California

1,468 NPPES records list nephrology physician with a practice address in California, 3.8 per 100,000 residents, the 22nd highest rate of 51. Los Angeles and San Diego have the most; each record links to the provider's NPI and the California license search. Page 4 of 30.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RN0300X · 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, 151

  1. Los Angeles151
  2. San Diego75
  3. San Francisco70
  4. Sacramento57
  5. Stanford39

Nephrology Physician records in California

  1. Akshay Bommireddi, MDTorrance, CA 905021861091316
  2. Raghavender Boothpur, MDYuba City, CA 959911578613543
  3. Michael Borah, MDSan Francisco, CA 941151144395435
  4. Hassan Boroujerdi-Rad, MDWhittier, CA 906051205814837
  5. Laleh Boroujerdi-Rad, M.D.Whittier, CA 906051245474378
  6. Christina Bradshaw, MDStanford, CA 943051629343033
  7. Brian Brady, M.D.Stanford, CA 943051902190721
  8. Amarpali Brar, M.DSan Francisco, CA 941431104001718
  9. Harjeet Brar, M.D.Bakersfield, CA 933091053363663
  10. Matthew Breeggemann, M.D.San Francisco, CA 941431083077549
  11. Robert Brenner, M.D.Thousand Oaks, CA 913201861431397
  12. Benjamin Brier, MDSan Diego, CA 921341245792845
  13. Todd Bruno, M.D.Travis Afb, CA 945351407059702
  14. Antiem Bui, D.O.Lakewood, CA 908051336569300
  15. Duc Bui, M.D.Glendale, CA 912051831170950
  16. Mary BuiUpland, CA 917861841225224
  17. Steve Bui, MDGarden Grove, CA 928431154390425
  18. Suphamai Bunnapradist, M.D.Los Angeles, CA 900951821076639
  19. Christopher Burrow, M.D.Del Mar, CA 920141932434669
  20. Swarna Byri, M.DManteca, CA 953361871731414
  21. Peter Cadman, M.D.El Cajon, CA 920211437256005
  22. Madison Calder, MDFairfield, CA 945351336773571
  23. Freddy Calderon, M.D.Pasadena, CA 911881932316338
  24. Juan Calderon Molina, M.D.National City, CA 919501366626467
  25. Jillian Caldwell, DOStanford, CA 943051427552488
  26. Vinh Cam, M.D.Torrance, CA 905051144243908
  27. Vito Campese, M.D.Los Angeles, CA 900331578590949
  28. Alan Cantillep, MDFountain Valley, CA 927081639517808
  29. Thanh Cao, D.O.Fountain Valley, CA 927081073963583
  30. Yangming Cao, MDFresno, CA 937201558339630
  31. Anthony Capparelli, M.D.Thousand Oaks, CA 913611033119946
  32. Victor Carabello, M.D.Los Angeles, CA 900331649293705
  33. Christopher Carlos, M.D.San Francisco, CA 941431457693921
  34. Raymond Carrillo, MDSalinas, CA 939011265511273
  35. Caitlin Carter, M.D.San Diego, CA 921031255514618
  36. Joseph Cha, M.D.Woodland Hills, CA 913671902003668
  37. Larry Chan, MDHarbor City, CA 907101689733297
  38. Zar Chan, M.DTorrance, CA 905021417243890
  39. Anirudh Chandra, DOBurlingame, CA 940101255837597
  40. Kalyani ChandraFresno, CA 937201922388537
  41. Sindhu Chandran, M.B.,B.S.West Hollywood, CA 900481598951014
  42. Narendra Chandrashekar, M.D.Indio, CA 922011598715476
  43. Krishi Chanduri, M.D.Corona, CA 928811598957540
  44. Celeste Chang, MD, FACPSan Francisco, CA 941331245633825
  45. David Chang, M.D.Wildomar, CA 925951043266240
  46. Don Chang, M.D.Roseville, CA 956611619101805
  47. Duke Chang, MDTorrance, CA 905021235290669
  48. Eric Chang, M.D.Sacramento, CA 958251477996031
  49. Gene-Yuan Chang, MDCastro Valley, CA 945461467731828
  50. Mi Chang, MDHarbor City, CA 907101174675557

Source: CMS NPPES, primary taxonomy 207RN0300X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 22 of 51 per resident

  1. Texas3.8
  2. Virginia3.8
  3. Georgia3.8
  4. California3.8
  5. South Carolina3.8
  6. Michigan3.7
  7. 50 states and D.C.4.0

Source: CMS NPPES, primary taxonomy 207RN0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

88.2% of these records appear in a Medicare file, against 85.8% 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. California88.2%
  2. United States85.8%

Nephrology Physician records in California, measured

  • In a Medicare file1,295 of 1,468 · 88.2% here, 85.8% nationally
  • In the CMS Doctors and Clinicians file1,128 · 76.8% here, 76.0% nationally
  • Not updated in five years or more909 · 61.9% here, 54.9% nationally
  • Median graduation year2001 · the 1,128 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RN0300X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,468 NPPES records list nephrology physician (207RN0300X) as their primary taxonomy with a practice address in California: 3.8 per 100,000 residents against 4 nationally (50 states and D.C.). Los Angeles has 151 of them (10%).

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. Texas1,159
  2. New York1,049
  3. Florida840
  4. Pennsylvania651

States with a similar rate per 100,000

  1. South Carolina3.8
  2. Georgia3.8
  3. Virginia3.8
  4. Michigan3.7

The largest states

  1. Texas1,159
  2. New York1,049
  3. Florida840
  4. Pennsylvania651
  5. Illinois572

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.