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 12 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. Vijay Jain, MDConcord, CA 945201407938632
  2. Navin Jaipaul, MD, MHSLoma Linda, CA 923571588675359
  3. Aamir Jamal, M.D.San Dimas, CA 917731558377523
  4. Joji James, M.D.Colton, CA 923241134534571
  5. Mitra JamshidianSan Francisco, CA 941101053800102
  6. Tariq Javed, MDVisalia, CA 932771891973806
  7. Anushya Jeyabalan, M.D.La Jolla, CA 920371083053722
  8. Anna Jin, M.D.Orange, CA 928681285767475
  9. Hira Jindal, M.D.Los Angeles, CA 900121164539433
  10. Joginder Jodhka, MDFountain Valley, CA 927081558379503
  11. Prachi Jog, M.D., M.SSanta Cruz, CA 950621770779431
  12. Tracy Jonelis, MDSan Francisco, CA 941151942372776
  13. James Jones, M.D.Santa Maria, CA 934541053486399
  14. Chang Joo, MDModesto, CA 953501508868787
  15. Stanley Jordan, MDWest Hollywood, CA 900481669432167
  16. Darol Joseff, M.D.Santa Barbara, CA 931051669554739
  17. Leena Joshi, M.D.Burlingame, CA 940101003076597
  18. Sudhir Joshi, M.D.Bakersfield, CA 933081720087877
  19. Tarla Joshi, MDSan Jose, CA 951241669474458
  20. Dilpreet Julka, M.D.Whittier, CA 906031033296629
  21. Igor Kagan, MDLos Angles, CA 900241245674241
  22. Joseph Kahwaji, MDLos Angeles, CA 900271740349489
  23. Ian Kaiser, M.D.Indio, CA 922011205279791
  24. Kamyar Kalantar-Zadeh, M.D.Orange, CA 928681457314684
  25. Kishore Kalluri, M.D.Modesto, CA 953551073517751
  26. Mary Kalpakian, M.D.Baldwin Park, CA 917061134395726
  27. Bindu Kamal, MDSanta Barbara, CA 931011184718215
  28. Fahmeedah Kamal, MDStanford, CA 943051154579969
  29. Anita Kamarzarian, MDGlendale, CA 912061073540340
  30. Ganesh Kambhampati, M.DWoodland, CA 956951649400839
  31. Anjana Kamdar, M.D.Los Angeles, CA 900331346348638
  32. Mohammad Kamgar, M.D.Los Angeles, CA 900951275788440
  33. Kamyar Kamjoo, MDTarzana, CA 913561558465708
  34. Deno Kang, MDArtesia, CA 907011265428916
  35. Sharon Kang, M.D.Antioch, CA 945311487828471
  36. Albert Kao, MDDaly City, CA 940151225099286
  37. Nandakishor Kapa, MDSacramento, CA 958171437680261
  38. Elaine Kaptein, M.D.Los Angeles, CA 900331306872783
  39. Matthew Kaptein, M.D.Loma Linda, CA 923541184995094
  40. Tarek Karam, MDLancaster, CA 935341467081190
  41. Kamran Karimi, M.D.Los Angeles, CA 900171730470220
  42. Sousan Karimi, M.D.,Beverly Hills, CA 902111497795140
  43. Bethany Karl, D.O.San Diego, CA 921031790980472
  44. Malcolm Karlinsky, MDBerkeley, CA 947051609973353
  45. Frederick Karubian, MDSanta Monica, CA 904041275613655
  46. Hooman Kashani, DOEncino, CA 914361124117452
  47. Rohit Kashyap, MDSacramento, CA 958151902845209
  48. Mark Kasselik, MDSan Francisco, CA 941151891860193
  49. Ibrahim Katibah, MDFresno, CA 937201053838987
  50. Ratnaja Katneni, MDNewport Beach, CA 926601790887610

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.