NPPES file of Aug 9, 2026

Specialist in California

5,749 NPPES records list specialist with a practice address in California, 15 per 100,000 residents, the 19th highest rate of 51. San Francisco and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 17 of 115.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 174400000X · method

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

San Francisco has the most, 666

  1. San Francisco666
  2. Los Angeles301
  3. Sacramento241
  4. San Diego207
  5. Oakland198

Specialist records in California

  1. Kulreet Chaudhary, MDLa Jolla, CA 920371174561021
  2. Sandeep Chaudhary, M.DLaguna Hills, CA 926531417055872
  3. Kali Chaudhuri, M.D.Hemet, CA 925431538179437
  4. Consuelo ChavarriaSanta Cruz, CA 950601861840936
  5. Cherrie ChavezEureka, CA 955031558502104
  6. Alberto Chavira, M.D.San Marcos, CA 920781508865759
  7. Sant Chawla, M.D.Santa Monica, CA 904031508868837
  8. Debra Cheang, MDModesto, CA 953551013114321
  9. Jonathan Cheang, MDModesto, CA 953551700083011
  10. Jennifer CheeSan Francisco, CA 941031164193009
  11. Shahla Chehrazi, M.D.Kentfield, CA 949041487761995
  12. Chia-Hui Chen, BSFremont, CA 945381083748289
  13. Diana ChenSan Francisco, CA 941031275276172
  14. Guoxiong Chen, ACUPUNCRISTSacramento, CA 958231346469590
  15. Huo Chen, M.D.Monterey Park, CA 917541164454286
  16. James Chen, M.D.San Gabriel, CA 917761609013440
  17. Jay Chen, M.D.Modesto, CA 953501053340778
  18. Jong Chen, M.D.Sacramento, CA 958191346313228
  19. Jyuhn-Mirng Chen, M.D.Sacramento, CA 958171588647903
  20. Kan Chen, D.O.Oceanside, CA 920561972794584
  21. Liansong Chen, M.D.Modesto, CA 953561265492292
  22. Nancy Chen, M.D.Escondido, CA 920251346219946
  23. Ophelia Chen, M.D.Pasadena, CA 911011649471715
  24. Thomas Chen, M.D.Stockton, CA 952091861751273
  25. Tian Yan Chen, M.D.San Francisco, CA 941431528431806
  26. Yetong ChenSan Francisco, CA 941171992293807
  27. Angelina Cheng, MDUpland, CA 917861295964815
  28. Jacqueline Cheng, M.DSaratoga, CA 950701336227396
  29. Jye-Shern Cheng, M.D.Fremont, CA 945381598729287
  30. Michael Cheng, MDTorrance, CA 905021013442896
  31. Siddartha Reddy ChennuruSan Francisco, CA 941031700605300
  32. Dennis Chenoweth, M.D.Ventura, CA 930011295877967
  33. Viktoriia CherevenkoSan Francisco, CA 941271407667496
  34. Colleen Cherry, CCLS, CTLaguna Niguel, CA 926771689183105
  35. Brian Chesnie, M.D.Newport Beach, CA 926631831196609
  36. Deanna Cheung, M.D.Los Alamitos, CA 907201336226398
  37. Hiu Nam CheungSan Francisco, CA 941091972012938
  38. Mandeep ChhokarSacramento, CA 958171740104637
  39. Chhoeupdarvy Chhun, B.S.Modesto, CA 953501487108338
  40. Peter Chi, M.D.Tracy, CA 953761215988092
  41. Nipavan Chiamvimonvat, M.D.Mather, CA 956551932171519
  42. Ben Childers, M.D.Riverside, CA 925061932287471
  43. Alvin Chin, M.D.Sylmar, CA 913421013072073
  44. Andrew ChinSan Leandro, CA 945771356213862
  45. Philip Chin, M.D.Fountain Valley, CA 927081548224629
  46. Brian Ching, M.D.Oroville, CA 959661306945936
  47. Marshall Ching, M.D.Oroville, CA 959661215036835
  48. Brian ChirairoSan Francisco, CA 941031073138426
  49. Puja Chitkara, M.DChula Vista, CA 919111871718189
  50. Rainney ChiuDavis, CA 956181932717436

Source: CMS NPPES, primary taxonomy 174400000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 19 of 51 per resident

  1. Massachusetts16
  2. West Virginia15
  3. Maryland15
  4. California15
  5. Minnesota15
  6. Delaware13
  7. 50 states and D.C.18

Source: CMS NPPES, primary taxonomy 174400000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

29.6% of these records appear in a Medicare file, against 17.0% 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. California29.6%
  2. United States17.0%

Specialist records in California, measured

  • In a Medicare file1,704 of 5,749 · 29.6% here, 17.0% nationally
  • In the CMS Doctors and Clinicians file1,076 · 18.7% here, 11.1% nationally
  • Not updated in five years or more4,403 · 76.6% here, 77.3% nationally
  • Median graduation year1989 · the 1,075 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 174400000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

5,749 NPPES records list specialist (174400000X) as their primary taxonomy with a practice address in California: 15 per 100,000 residents against 18 nationally (50 states and D.C.). San Francisco has 666 of them (12%).

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. Florida2,685
  2. Washington2,609
  3. Pennsylvania2,031
  4. Texas1,716

States with a similar rate per 100,000

  1. Minnesota14.6
  2. Maryland15.2
  3. West Virginia15.4
  4. Massachusetts15.7

The largest states

  1. New York22,636
  2. Florida2,685
  3. Washington2,609
  4. Pennsylvania2,031
  5. Texas1,716

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.