NPPES file of Aug 9, 2026

Dermatology Physician in California

2,083 NPPES records list dermatology physician with a practice address in California, 5.3 per 100,000 residents, the 12th highest rate of 51. San Diego and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 7 of 42.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207N00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Diego has the most, 152

  1. San Diego152
  2. Los Angeles144
  3. San Francisco134
  4. Sacramento73
  5. Stanford59

Dermatology Physician records in California

  1. Jennifer Chen, MDStanford, CA 943051184851297
  2. Kristen Chen, MDSan Rafael, CA 949031952930604
  3. Rebecca ChenPalo Alto, CA 943011972131431
  4. Richard Chen, MDStanford, CA 943051598929069
  5. Selena Chen, MDSan Diego, CA 921221669222741
  6. Tina Chen, M.D.La Mesa, CA 919421073759627
  7. Tommy Chen, M.D.Pasadena, CA 911051326136854
  8. Carol Cheng, M.D.Santa Monica, CA 904041285911453
  9. Jeffrey ChengSan Francisco, CA 941431699933069
  10. Joyce Cheng, MD, MHSLa Jolla, CA 920371144753468
  11. Kyle Cheng, M.D.Burbank, CA 915051306103064
  12. Lucy ChengRiverside, CA 925031235580085
  13. Michelle ChengLos Angeles, CA 900271720582059
  14. Michelle ChengSan Jose, CA 951231467871590
  15. Evelyn Cheung, MDDowney, CA 902421164797312
  16. Visoth Chhiap, M.D.Morgan Hill, CA 950371427005891
  17. Shirley Chi, M.D.Arcadia, CA 910071902836992
  18. Charles Chia, M.D.Thousand Oaks, CA 913601841229069
  19. Audris Chiang, MDStanford, CA 943051174029102
  20. Charles Chiang, M.DFremont, CA 945381780889519
  21. Jennifer Chiang, M.D.El Cajon, CA 920201457656738
  22. Dora Chin, MDSan Francisco, CA 941151194803742
  23. Albert Chiou, MDStanford, CA 943051609119783
  24. Annie Chiu, MDRedondo Beach, CA 902781689886129
  25. Le Wen Chiu, MDWoodland Hills, CA 913671467187096
  26. Melvin Chiu, MDLos Angeles, CA 900331275566788
  27. Noel Chiu, MDAntioch, CA 945311861458259
  28. Victoria Chiu, M.D.Oxnard, CA 930361982806105
  29. Bryan Cho, MDMountain View, CA 940401891811600
  30. Hyunje Cho, MDStanford, CA 943051689170524
  31. Raymond Cho, M.D., PH.D.San Francisco, CA 941151790999175
  32. Song Cho, M.D.Los Angeles, CA 900061598850158
  33. Evan Choate, MDLos Angeles, CA 900341073141008
  34. Monika ChockMonterey, CA 939401356668735
  35. Andrew Choi, MDSan Diego, CA 921221033500798
  36. Olivia Choi, M.D., PH.D.San Francisco, CA 941151437510310
  37. Rachel Choi, MDSan Francisco, CA 941151083364988
  38. Summer Chong, M.D.Los Angeles, CA 900331770803181
  39. Samreen Choudhry, MDNewport Beach, CA 926601447531017
  40. Joseph Chow, M.D.Huntington Beach, CA 926471710915509
  41. Maggie ChowLos Angeles, CA 900271780078634
  42. Steven Chow, MDUpland, CA 917861720131741
  43. David Chu, M.D.San Diego, CA 921281982765525
  44. Mu Chu, M.D.Santa Clara, CA 950511679775365
  45. Richard Chu, MDWest Covina, CA 917901952405102
  46. Tammy Chu, PAArcadia, CA 910071407337876
  47. Gary Chuang, M.D.Torrance, CA 905031013199868
  48. Tsu-Yi Chuang, M.D., M.P.H.Rancho Mirage, CA 922701942268149
  49. Mary Chuba, M.D.Los Gatos, CA 950301841408432
  50. Carie Chui, M.D.San Mateo, CA 944011346341252

Source: CMS NPPES, primary taxonomy 207N00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 12 of 51 per resident

  1. Maryland5.5
  2. Wisconsin5.5
  3. Florida5.4
  4. California5.3
  5. Pennsylvania5.3
  6. Utah5.2
  7. 50 states and D.C.4.7

Source: CMS NPPES, primary taxonomy 207N00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

83.2% of these records appear in a Medicare file, against 84.6% 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. California83.2%
  2. United States84.6%

Dermatology Physician records in California, measured

  • In a Medicare file1,733 of 2,083 · 83.2% here, 84.6% nationally
  • In the CMS Doctors and Clinicians file1,450 · 69.6% here, 72.6% nationally
  • Not updated in five years or more1,207 · 57.9% here, 54.0% nationally
  • Median graduation year2006 · the 1,450 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207N00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,083 NPPES records list dermatology physician (207N00000X) as their primary taxonomy with a practice address in California: 5.3 per 100,000 residents against 4.7 nationally (50 states and D.C.). San Diego has 152 of them (7%).

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. Florida1,213
  2. New York1,211
  3. Texas1,172
  4. Pennsylvania681

States with a similar rate per 100,000

  1. Utah5.2
  2. Wisconsin5.5
  3. Colorado5.2
  4. Maryland5.5

The largest states

  1. Florida1,213
  2. New York1,211
  3. Texas1,172
  4. Pennsylvania681
  5. Illinois647

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.