NPPES file of Aug 9, 2026

Anatomic Pathology & Clinical Pathology Physician in California

1,554 NPPES records list anatomic pathology & clinical pathology physician with a practice address in California, 4 per 100,000 residents, the 38th highest rate of 51. Los Angeles and Stanford have the most; each record links to the provider's NPI and the California license search. Page 5 of 32.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207ZP0102X · 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, 207

  1. Los Angeles207
  2. Stanford116
  3. San Diego106
  4. San Francisco78
  5. Sacramento46

Anatomic Pathology & Clinical Pathology Physician records in California

  1. Alison ChanSacramento, CA 958171689170326
  2. Emily Chan, MDStanford, CA 943051053705590
  3. Jessica Chan, MDOakland, CA 946111750536793
  4. Joel Chan, MDWestlake Village, CA 913611538255617
  5. Kiat Chan, M.D.Los Angeles, CA 900641871776609
  6. Roger Chan, M.D.Los Angeles, CA 900331811146053
  7. Vivian Chan, D.O.Woodland Hills, CA 913671780910620
  8. Vishal Chandan, MDOrange, CA 928681841203445
  9. Parakrama Chandrasoma, M.D.Pasadena, CA 911051467446013
  10. Laila Chandy, MDOroville, CA 959661760590301
  11. Andrea Chang, MDPanorama City, CA 914021386703957
  12. Bernard Chang, MDLa Jolla, CA 920371891713814
  13. Elena ChangLos Angeles, CA 900481841446168
  14. Harvey Chang, M.D.Modesto, CA 953561629074810
  15. Jeffrey Chang, MDLos Angeles, CA 900951710507033
  16. Karen Chang, MDDuarte, CA 910101518924398
  17. Priscilla Chang, M.D., PH.D.Chico, CA 959261114048733
  18. Alexandra Chang-Graham, MD, PHDStanford, CA 943051962083451
  19. Catherine Chang-Suen, D.O.Pomona, CA 917671205201621
  20. Arnold Channing, MDEncino, CA 913161740241298
  21. Ahmad CharifaOrange, CA 928681215315361
  22. Howard Charman, M.D.Upland, CA 917861881689339
  23. Vivek Charu, MDStanford, CA 943051164964466
  24. Gregory Charville, MD, PHDStanford, CA 940221154716975
  25. Resa Chase, M.D.Loma Linda, CA 923571316957418
  26. Sunanda Chatterjee, MDSouth El Monte, CA 917331265491641
  27. Prakashchandra Chaudhari, MDModesto, CA 953561518073451
  28. Manita Chaum, MDWest Hollywood, CA 900481447829205
  29. Ahchean Chen, MDVallejo, CA 945891548202773
  30. Albert Chen, MDFontana, CA 923351770655250
  31. Alex ChenSan Francisco, CA 941431407564016
  32. Antony Chen, DOGarden Grove, CA 928431235327701
  33. Baorong Chen, MDClovis, CA 936111093756231
  34. Beiru Chen, M.D.Stockton, CA 952071669694766
  35. Calvin Chen, D.O.Clovis, CA 936111982858395
  36. Constance Chen, MDSan Francisco, CA 941431245765502
  37. Fen Chen, M.D.West Hills, CA 913041003030891
  38. Guilan Chen, M.D.Redwood City, CA 940631437351798
  39. Phillip Chen, M.D.Bakersfield, CA 933011699965004
  40. Stephen Chen, M.D.Palo Alto, CA 943041508960741
  41. Yunn-Yi Chen, MDSan Francisco, CA 941431841245966
  42. Zesheng ChenLos Angeles, CA 900951841844149
  43. Zhengshan Chen, MDLos Angeles, CA 900951730607888
  44. Lirong Cheng, MDRoseville, CA 956611871539577
  45. Sarah Cherny, M.D.San Francisco, CA 941151750593869
  46. Jennifer Chia, MD PHDLos Angeles, CA 900951609370808
  47. Steven Chirieleison, MD, PHDStanford, CA 943051801358684
  48. Richard Chiu, DOSacramento, CA 958171205325339
  49. Mamatha Chivukula, MDSan Francisco, CA 941431750353280
  50. Moogil Choe, MDMoreno Valley, CA 925551811356066

Source: CMS NPPES, primary taxonomy 207ZP0102X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 38 of 51 per resident

  1. Virginia4.2
  2. Indiana4.2
  3. Maine4.1
  4. California4.0
  5. North Carolina4.0
  6. Montana4.0
  7. 50 states and D.C.4.8

Source: CMS NPPES, primary taxonomy 207ZP0102X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

65.1% of these records appear in a Medicare file, against 61.2% 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. California65.1%
  2. United States61.2%

Anatomic Pathology & Clinical Pathology Physician records in California, measured

  • In a Medicare file1,011 of 1,554 · 65.1% here, 61.2% nationally
  • In the CMS Doctors and Clinicians file892 · 57.4% here, 55.5% nationally
  • Not updated in five years or more943 · 60.7% here, 62.6% nationally
  • Median graduation year2003 · the 891 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207ZP0102X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,554 NPPES records list anatomic pathology & clinical pathology physician (207ZP0102X) as their primary taxonomy with a practice address in California: 4 per 100,000 residents against 4.8 nationally (50 states and D.C.). Los Angeles has 207 of them (13%).

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. Texas1,424
  2. New York972
  3. Florida966
  4. Illinois789

States with a similar rate per 100,000

  1. North Carolina4.0
  2. Montana4.0
  3. New Jersey3.9
  4. Alabama3.9

The largest states

  1. Texas1,424
  2. New York972
  3. Florida966
  4. Illinois789
  5. Pennsylvania716

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.