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 70 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. Kathleen Hoops, RN, MSN, FNPHuntington Beach, CA 926471629580337
  2. Susan Hooten, MDRoseville, CA 956611861570566
  3. Jeffery Hoover, M.D.Carmichael, CA 956081982046736
  4. Ian Hopper, DOPetaluma, CA 949541396206587
  5. Christopher Horan, MDChino, CA 917101093873309
  6. Yousuke Horikawa, M.D.,PH.D.Santee, CA 920711760777528
  7. Sanaya HormozdyaranSan Diego, CA 921061750887634
  8. Sarah Horner, DORichmond, CA 948011124103882
  9. Daphne Horowitz, MDValencia, CA 913551841357183
  10. Isaac Horowitz, DOMadera, CA 936381982167375
  11. James Horspool, DOMadera, CA 936361174503338
  12. Kimberly Horstman, MDFremont, CA 945381760549448
  13. Darlene Horton, M.D.San Francisco, CA 941071760680250
  14. Nicole Horvath, M.D.Whittier, CA 906021083783997
  15. Bruce Horwitz, M.D.Oakland, CA 946091851494728
  16. Pearl Houghteling, M.D.Palo Alto, CA 943041558749986
  17. Bension Houri, M.D.Long Beach, CA 908061649487422
  18. Karen Hovav, MDLos Angeles, CA 900271548430135
  19. James Howard, M.D., PH.D.San Francisco, CA 941431235337106
  20. Nika Howell, M.D.Madera, CA 936361396037750
  21. Thomas HowellLong Beach, CA 908061922272707
  22. Sabrina Howenstine, M.D.Glendora, CA 917411568490548
  23. Erin Hoyt, MDClovis, CA 936111861013385
  24. Jeana Hoyt, M.D.Sacramento, CA 958231609907682
  25. Adrienne Hoyt-Austin, D.O.Sacramento, CA 958171528440708
  26. Margaret Hsiau, M.D.Los Angeles, CA 900351598928426
  27. Emily Hsieh, M.D.Los Angeles, CA 900271326487505
  28. Leslie Hsieh, M.D.San Diego, CA 921231326207283
  29. Loan HsiehOrange, CA 928681770774341
  30. Anne Hsii, M.D.Daly City, CA 940151396943817
  31. Deborah Hsiung, D.O.Rowland Heights, CA 917481487820197
  32. Andrew Hsu, M.D.Rancho Cucamonga, CA 917301255493532
  33. Carl Hsu, MDRancho Cordova, CA 956701306810122
  34. Carmen Hsu, M. D.Freedom, CA 950191043365760
  35. Connie Hsu, MDBaldwin Park, CA 917061922156728
  36. Diane Hsu, MDSanta Clara, CA 950511972990562
  37. Emily Hsu, M.D.Long Beach, CA 908131699961664
  38. Isabel Hsu, M.D., PH.D.Los Angeles, CA 900271194073262
  39. Leon HsuWildomar, CA 925951639248875
  40. Melody Hsu, MDLos Angeles, CA 900271730393364
  41. Ray Hsu, M.D.Orange, CA 928681972807428
  42. Tien-Sheng Hsu, M.D.Upland, CA 917861073592598
  43. Virginia Hsu, M.D.Rancho Cordova, CA 956701962420950
  44. Marjorie Hsu-Moon, MDLong Beach, CA 908021881742856
  45. Jessica Hsueh, MDPalo Alto, CA 943041447624259
  46. Caroline Hu, M.D.Oakland, CA 946111689889206
  47. Chia-Chieh Hu, MDArcadia, CA 910061659344026
  48. Cindy Hu, MDOrange, CA 928681134988595
  49. Connie Hu, MDSan Diego, CA 921231912511551
  50. Hsiao-Ping Hu, MDRedding, CA 960011245248277

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.