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 6 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. Bhavin Chokshi, M.D.Fresno, CA 937201487107819
  2. Tepsiri Chongkrairatanakul, MDSan Diego, CA 921231982806329
  3. Shagun Chopra-Sonthalia, M.D.San Diego, CA 921211356312219
  4. Fung-Chuan Chou, MDMission Hills, CA 913451114945227
  5. Jason Chou, M.D.Orange, CA 928681083051700
  6. Qasim Choudry, MDEscondido, CA 920291770513061
  7. Jeffrey Chow, DOGranada Hills, CA 913441285124222
  8. Pradip Chowdhury, M.D.Montebello, CA 906401053348946
  9. Chi ChuSan Francisco, CA 941101346651270
  10. Jesse Chuang, M.D., M.P.H.San Gabriel, CA 917761508881939
  11. Philip Chung, M.D.Torrance, CA 905051003881889
  12. Victoria Chung, M.D.Sacramento, CA 958171053757955
  13. Andy Chuu, MDFontana, CA 923351639565286
  14. Alan Coleman, M.D.San Francisco, CA 941151013089580
  15. Roderick Comunale, MDNational City, CA 919501568462109
  16. Marimar Contreras Nieves, MDPalo Alto, CA 943011245767144
  17. Ranjit Cordeiro, M.D.Covina, CA 917231417950957
  18. Mario Corona, MDBerkeley, CA 947051679670301
  19. Juan Corredor, M.D.Torrance, CA 905051962405738
  20. Alfred Cottrell, M.D.Loma Linda, CA 923541609893809
  21. Peter Crooks, MDLos Angeles, CA 900271215085105
  22. Christian Cruz, MDDaly City, CA 940151023182227
  23. Dinna Cruz, M.D.San Diego, CA 921031659624732
  24. Janice Cuevas Rivera, MDLos Angeles, CA 900451801365820
  25. Robyn Cunard, M.D.San Diego, CA 921611609983253
  26. Mario Curzi, MDWalnut Creek, CA 945981336140359
  27. Tina Cushing, MDAnaheim, CA 928071144397019
  28. Pascal Dabel, M.D.Mission Hills, CA 913451033306592
  29. Ghassan Dahhan, MDLancaster, CA 935341821066325
  30. Tiane Dai, MDTorrance, CA 905021457643751
  31. Hashem Dajani, MDVallejo, CA 945891174601918
  32. Lorien Dalrymple, MDSacramento, CA 958171730291113
  33. Ali Dana, M.D.Oxnard, CA 930361669561536
  34. Sam Daneshvari, M.D.Glendale, CA 912061851496145
  35. An Dang, M.D.Garden Grove, CA 928431952302564
  36. Bryan Dang, M.D.Newport Beach, CA 926631619991742
  37. Hong Dang, M.D.Los Angeles, CA 900271013351790
  38. Sandeep Dang, M.D.Fountain Valley, CA 927081730146937
  39. Gabriel Danovitch, MDLos Angeles, CA 900951750307864
  40. Riad Darwish, M.D.Whittier, CA 906021366459208
  41. Adarsh Daswani, M.D.Lakewood, CA 908051598861882
  42. Janeline Daubert, M.D.Sacramento, CA 958171386673598
  43. Alan Dauer, M.D.,Los Angeles, CA 900481164493508
  44. Rajesh Davda, MDFremont, CA 945381740220433
  45. Dhara Dave, MDFresno, CA 937201093361479
  46. Robert Davies, MDWalnut Creek, CA 945981215937933
  47. Jason Davis, MDSan Diego, CA 921081295911469
  48. Helder De Paiva, M.D.Los Angeles, CA 900361174610273
  49. Cynthia Delgado, M.D.San Francisco, CA 941431821289323
  50. John Demko, M.D.San Francisco, CA 941431710419338

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.