NPPES file of Aug 9, 2026

Pediatrics Physician in California

9,272 NPPES records list pediatrics physician with a practice address in California, 24 per 100,000 residents, the 14th 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 29 of 186.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208000000X · 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, 919

  1. Los Angeles919
  2. San Francisco514
  3. San Diego454
  4. Oakland338
  5. Palo Alto321

Pediatrics Physician records in California

  1. Stephanie Chiang, MDFremont, CA 945381003986084
  2. Ruth Chiang Kao, M.D.Orange, CA 928681821383464
  3. David Chien, MD.Porter Ranch, CA 913261346303674
  4. Kuang-Chung Chien, MDLa Jolla, CA 920371205279106
  5. Philip Chien, M.D.San Bernardino, CA 924041205885985
  6. Nymisha Chilukuri, MDPalo Alto, CA 943041679997886
  7. Alan Chin, MDLos Angeles, CA 900951275794026
  8. Aleen Chin, MDTustin, CA 927801912221656
  9. Aurora Chin, MDOakland, CA 946091033487160
  10. Catherine Chin, MDOakland, CA 946011376643528
  11. Chana Chin, MDLos Angeles, CA 900271033457270
  12. David Chin, MDLos Angeles, CA 900271649538133
  13. Dayna Chin, M.D.Orange, CA 928681356631790
  14. Joanna Chin, MDMartinez, CA 945531558628016
  15. Ming Yan Chin, MDSan Francisco, CA 941181902971088
  16. Rachel Chin, D.O.Santa Ana, CA 927071649697079
  17. Tim Chin, M.D.Fountain Valley, CA 927081568756864
  18. Tracy Chin, CPNPMadera, CA 936361932325131
  19. Claire Chin Foo, MDElk Grove, CA 957581346999711
  20. Janet Ching, MDMission Hills, CA 913451619943719
  21. Quimbo Ching, MDIndio, CA 922011083667646
  22. Marc Chinn, MDSacramento, CA 958231760560254
  23. Christopher Chinnici, MDBellflower, CA 907061427125343
  24. Richard Chinnock, M.D.Loma Linda, CA 923541598788366
  25. Timothy Chinnock, M.D.Loma Linda, CA 923541356505218
  26. Sneha Chintamaneni, MDTustin, CA 927821710341474
  27. Ryan Roger Chio, M.D.Parlier, CA 936481568721058
  28. Vicente Chiong, MDLivermore, CA 945501558310599
  29. Mary Chiou, M.D.Palo Alto, CA 943041124461231
  30. Nicholas Chiou, MDWhittier, CA 906021154680874
  31. Susan Chiriboga, MDArcadia, CA 910061811969942
  32. Sarah Chisholm, MDSan Diego, CA 921231396495701
  33. Patrick Chisum, MDOrange, CA 928681184157703
  34. Pitchaya Chitamitara, MDSan Pedro, CA 907311780971010
  35. Megan Chitlur, MDSantee, CA 920711538621149
  36. Deepa Chitre, MDSan Jose, CA 951311427750785
  37. Naga ChittaStockton, CA 952101548601255
  38. Camille Chittenden, MDWest Hollywood, CA 900481144351834
  39. Chien-Chi Chiu, MDSan Marino, CA 911081558570317
  40. Elaine ChiuRoseville, CA 956611073044889
  41. Harvey Chiu, MDLos Angeles, CA 900951912012568
  42. Karen Chiu, M.D.West Hollywood, CA 900481750775854
  43. Karen Chiu, M.D.Santa Clara, CA 950511720256217
  44. Roberta ChiuColton, CA 923241326554593
  45. Tillian Chiu, D.O.Los Angeles, CA 900271285824896
  46. Catherine Cho, MDMission Hills, CA 913451083716468
  47. Chang ChoSunnyvale, CA 940871295762359
  48. Christy Cho, MDCitrus Heights, CA 956211083243414
  49. Emilia Cho, MDSacramento, CA 958251134337215
  50. Jennifer Cho, MDRedwood City, CA 940631659459295

Source: CMS NPPES, primary taxonomy 208000000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 14 of 51 per resident

  1. Illinois25
  2. Ohio25
  3. Missouri25
  4. California24
  5. New Hampshire24
  6. New Jersey23
  7. 50 states and D.C.22

Source: CMS NPPES, primary taxonomy 208000000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

30.5% of these records appear in a Medicare file, against 36.4% 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. California30.5%
  2. United States36.4%

Pediatrics Physician records in California, measured

  • In a Medicare file2,831 of 9,272 · 30.5% here, 36.4% nationally
  • In the CMS Doctors and Clinicians file754 · 8.1% here, 8.7% nationally
  • Not updated in five years or more6,017 · 64.9% here, 58.4% nationally
  • Median graduation year2012 · the 754 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208000000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

9,272 NPPES records list pediatrics physician (208000000X) as their primary taxonomy with a practice address in California: 24 per 100,000 residents against 22 nationally (50 states and D.C.). Los Angeles has 919 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. New York5,795
  2. Texas5,641
  3. Florida3,996
  4. Pennsylvania3,382

States with a similar rate per 100,000

  1. New Hampshire23.5
  2. New Jersey23.5
  3. Virginia23.2
  4. American Samoa22.8

The largest states

  1. New York5,795
  2. Texas5,641
  3. Florida3,996
  4. Pennsylvania3,382
  5. Illinois3,176

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.