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 24 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. Siavash SamimiChico, CA 959261346545142
  2. Mark Samonte, M.D.Carson, CA 907451114140233
  3. Michael Samoszuk, M.D.Rancho Santa Margarita, CA 926881619270303
  4. Gretchen Sampson, M.D.Mission Hills, CA 913451063406528
  5. Souzan Sanati, MDWest Hollywood, CA 900481922149863
  6. Henry Sanchez, MDSan Francisco, CA 941431821040254
  7. Diane Sanders, M.D.Modesto, CA 953561164689493
  8. James SandersonTravis Afb, CA 945351578559837
  9. Ankur Sangoi, M.D.Stanford, CA 943051023206810
  10. Victor Santiago, MDPomona, CA 917671851711568
  11. Geoffrey Sasaki, M.D.Chico, CA 959261124212386
  12. Aaron Sassoon, M.D.Orange, CA 928681962581967
  13. Sebastian Sasu, M.D.South San Francisco, CA 940801548387095
  14. Radha Satyadev, MDIrvine, CA 926121437270550
  15. George Saukel, M.D.Loma Linda, CA 923541164442612
  16. Jess Savala, M.D.Los Angeles, CA 900661376796086
  17. Ujvala Sawkar, MDNational City, CA 919501922068170
  18. Brandon SayStanford, CA 943051952863920
  19. Donald Sayet, M.D.Modesto, CA 953561174620470
  20. Jason Scapa, M.D.Anaheim, CA 928061982099230
  21. Gerald Schall, MDSan Francisco, CA 941091942213590
  22. David Schlichting, M.D.Chico, CA 959261275583775
  23. Michael Schmidt, D.O.West Hollywood, CA 900481255752606
  24. Robert Schmidt, M.D.Anaheim, CA 928041679519912
  25. Yao Schmidt, M.D.Porterville, CA 932571942443585
  26. Daniel Schmolze, M.D.Duarte, CA 910101043699630
  27. Ken Schneider, M.D., PH.D.Oakland, CA 946021073617205
  28. Richard Schneider, MDLynwood, CA 902621598744062
  29. Gregory Schneringer, M.D.Oroville, CA 959661457341489
  30. Michael Schoen, MDOrange, CA 928681578645685
  31. Hannah SchuettWest Hollywood, CA 900481811526049
  32. Wayne Schultheis, MDThousand Oaks, CA 913601831165836
  33. Chet SchwabLa Jolla, CA 920931679892798
  34. Daniel Schwartz, M.D.Rancho Mirage, CA 922701649348806
  35. Marian Scott, MDWalnut Creek, CA 945981528149838
  36. Katherine Scribner, DOOakland, CA 946111306364591
  37. Richard Scuderi, MDSan Diego, CA 921231740594092
  38. Joshua Segal, M.D.Thousand Oaks, CA 913611144665951
  39. Indu Sehgal, M.D.Montrose, CA 910201437311057
  40. Mark Seifert, M.D.Colton, CA 923241831127653
  41. David Seligson, MDLos Angeles, CA 900951558559344
  42. Joseph Selliken, M.D.Torrance, CA 905051972985679
  43. Chandrika Seneviratne, M.D.Los Angeles, CA 900331083608731
  44. Maria Serrano, M.D.San Francisco, CA 941151518064419
  45. Roya SetarehshenasLos Angeles, CA 900951578795621
  46. Reza Setoodeh, MDWest Hollywood, CA 900481487889432
  47. Sasan SetoodehSacramento, CA 958161710373147
  48. Shing-Jia Sha, M.D.Los Angeles, CA 900151235117656
  49. Ahmed Shabaik, MDSan Diego, CA 921031679521579
  50. Brit Shackley, M.D.Pasadena, CA 911051336460435

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.