NPPES file of Aug 9, 2026

Student in an Organized Health Care Education/Training Program in California

40,652 NPPES records list student in an organized health care education/training program with a practice address in California, 104 per 100,000 residents, the 8th 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 121 of 814.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 390200000X · 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, 6,770

  1. Los Angeles6,770
  2. San Francisco3,035
  3. San Diego2,098
  4. Sacramento2,087
  5. Oakland1,419

Student in an Organized Health Care Education/Training Program records in California

  1. Melody Chang, MDRiverside, CA 925011063213288
  2. Michelle ChangLos Angeles, CA 900241275253452
  3. Michelle Chang, MDLos Angeles, CA 900951972446102
  4. Mina ChangLos Angeles, CA 900201518839968
  5. Mindy ChangPomona, CA 917661558052449
  6. Miya ChangLos Angeles, CA 900191427245364
  7. Myles ChangLos Angeles, CA 900891588505473
  8. Nicole ChangFullerton, CA 928311770404550
  9. Pao-Sheng ChangLos Angeles, CA 900151497377733
  10. Peter Chang, MDRiverside, CA 925031184667560
  11. Robin ChangSacramento, CA 958171871346817
  12. Sean ChangElk Grove, CA 957571740136993
  13. Selina Chang, MDSan Francisco, CA 941091790628774
  14. Shao Huai ChangSan Bernardino, CA 924081164750147
  15. Sharon Chang, M.D.Sacramento, CA 958171093797201
  16. Sheila ChangLos Angeles, CA 900951295129674
  17. Stephanie ChangSan Francisco, CA 941171497459382
  18. Steven ChangWhittier, CA 906061477401610
  19. Tiffany Chang, MDLos Angeles, CA 900271639017064
  20. Tiffany Chang, DOColton, CA 923241184319196
  21. Timothy ChangOrange, CA 928681023957131
  22. Victor Chang, DORiverside, CA 925011639017379
  23. Vincent ChangLos Angeles, CA 900481033842562
  24. Vincent ChangLos Angeles, CA 900951932982667
  25. Vivian ChangCulver City, CA 902301407224983
  26. Weilynn Chang, M.S.San Diego, CA 921211699574954
  27. William Chang, MDSylmar, CA 913421265173892
  28. Winston Chang, DOSacramento, CA 958171952981730
  29. Yuling ChangSan Diego, CA 921031053519454
  30. Yun Cheong Chang, MDTorrance, CA 905021790472454
  31. Yung-Hsiang ChangLos Angeles, CA 900951093695280
  32. Zubin ChangFontana, CA 923351477134401
  33. Andrew ChangalaSanta Maria, CA 934541194697706
  34. Tom ChanglaiStockton, CA 952041568100444
  35. Yamiko Chanza, MD, MABSacramento, CA 958171437952512
  36. Annie Chao, D.O.Santa Clara, CA 950511912325291
  37. Brandon Chao, MDOrange, CA 928681679277800
  38. Chia-Ying (renee) ChaoEl Monte, CA 917311326735564
  39. Debby Chao, M.D.Manteca, CA 953371275721979
  40. Ellen ChaoWest Hollywood, CA 900481730974171
  41. Emily Chao, MDLos Angeles, CA 900271235070038
  42. Erica ChaoPomona, CA 917661891689725
  43. Eugene Chao, MDTorrance, CA 905021760174478
  44. Hui Xiao ChaoSan Francisco, CA 941431760068449
  45. Jennifer Chao, MDLos Angeles, CA 900271497259592
  46. Judy ChaoBerkeley, CA 947031134989718
  47. Madeleine ChaoSan Quentin, CA 949641245158674
  48. Peter Chao, MDFresno, CA 937201124400262
  49. Yuan Ju ChaoCupertino, CA 950141780513960
  50. Khontheary Chap, M.DRiverside, CA 925051407219058

Source: CMS NPPES, primary taxonomy 390200000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 8 of 51 per resident

  1. Vermont110
  2. West Virginia108
  3. Ohio106
  4. California104
  5. Pennsylvania99
  6. Alabama91
  7. 50 states and D.C.81

Source: CMS NPPES, primary taxonomy 390200000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

16.3% of these records appear in a Medicare file, against 23.8% 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. California16.3%
  2. United States23.8%

Student in an Organized Health Care Education/Training Program records in California, measured

  • In a Medicare file6,617 of 40,652 · 16.3% here, 23.8% nationally
  • In the CMS Doctors and Clinicians file2,410 · 5.9% here, 3.6% nationally
  • Not updated in five years or more10,594 · 26.1% here, 20.3% nationally
  • Median graduation year2017 · the 2,409 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 390200000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

40,652 NPPES records list student in an organized health care education/training program (390200000X) as their primary taxonomy with a practice address in California: 104 per 100,000 residents against 81 nationally (50 states and D.C.). Los Angeles has 6,770 of them (17%).

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 York37,241
  2. Texas17,605
  3. Florida14,805
  4. Pennsylvania12,792

States with a similar rate per 100,000

  1. Ohio105.9
  2. West Virginia108.0
  3. Puerto Rico98.8
  4. Vermont110.3

The largest states

  1. New York37,241
  2. Texas17,605
  3. Florida14,805
  4. Pennsylvania12,792
  5. Ohio12,484

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.