NPPES file of Aug 9, 2026

Clinical Pathology/Laboratory Medicine Physician in California

131 NPPES records list clinical pathology/laboratory medicine physician with a practice address in California, 0.3 per 100,000 residents, the 27th highest rate of 49. San Francisco and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 1 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207ZP0105X · 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, 28

  1. San Francisco28
  2. Los Angeles17
  3. San Diego10
  4. San Luis Obispo7
  5. West Hollywood7

Clinical Pathology/Laboratory Medicine Physician records in California

  1. Liya AbramyanTorrance, CA 905021316134612
  2. Maryam Ahmadi, MDOrange, CA 928681003497678
  3. Marie-Rose Akin, MDFresno, CA 937201518988377
  4. Hadassa AlexanderLos Angeles, CA 900731982435780
  5. Raymond Aller, M.D.Vista, CA 920841346304268
  6. Gloria AsuncionMartinez, CA 945531659416873
  7. Ryan Austin, M.D.La Jolla, CA 920371235470014
  8. Frederick Axelrod, MDSan Bernardino, CA 924081558535740
  9. Arthur Baca, M.D., PH.D.Alameda, CA 945011326248816
  10. Bonnie Balzer, MDWest Hollywood, CA 900481649247602
  11. Vija Bauer-Lindbergs, MDSebastopol, CA 954721720094469
  12. Frank Bavuso, MDSebastopol, CA 954721437165107
  13. Reynaldo Bayubay, MDVallejo, CA 945891427108232
  14. Bob Bernaba, M.D.San Diego, CA 921231053547075
  15. Helen Broome, M.D.La Jolla, CA 920371184674145
  16. Russell Brown, M.D.Santa Clara, CA 950541386949717
  17. Thomas Bruice, M.D., PH.D.Carlsbad, CA 920111700326576
  18. Jack Bui, M.D., PH.D.La Jolla, CA 920931942529821
  19. Michael Busch, M.D., PH.D.San Francisco, CA 941181124426572
  20. Jefferson Chan, M.D., PH.D.Orange, CA 928681871713271
  21. Sukantha Chandrasekaran, PHD, D(ABMM)Los Angeles, CA 900491437019171
  22. Tzen Kuang Chen, MDFresno, CA 937201336160191
  23. Jennifer Chousal, MD, PHDLa Jolla, CA 920931700536141
  24. Kingshuk Das, M.D.Los Angeles, CA 900491215016472
  25. Frank Deamant, MDSan Jose, CA 951281083677074
  26. Jayanta Debnath, MDSan Francisco, CA 941431558314211
  27. Anne Deucher, MD, PHDSan Francisco, CA 941431558696039
  28. Laura Dilly, M.D.San Diego, CA 921031942561212
  29. Cynthia Douglas, M.D.San Luis Obispo, CA 934011760419873
  30. Stuart Dubin, M.DWest Hollywood, CA 900481649302902
  31. Jane Emerson, MDLos Angeles, CA 900891699855734
  32. David Engman, MDWest Hollywood, CA 900481891721098
  33. Oluwole Fadare, M.D.San Diego, CA 921031619955804
  34. Shane Falcinelli, MDSan Francisco, CA 941431962255067
  35. Wei Fang, MDFresno, CA 937201043231814
  36. Kevin Ferguson, M.D.Santa Maria, CA 934541801823067
  37. Briana Fitch, PHDLos Angeles, CA 900331477280154
  38. Michael Frost, M.D.San Luis Obispo, CA 934011982631016
  39. Richard Garcia-Kennedy, MDSan Francisco, CA 941181043288731
  40. David Gardner, MDMonterey, CA 939401316086341
  41. David Gibb, M.D., PH.D.West Hollywood, CA 900481487912499
  42. Alin Girnita, PHDPalo Alto, CA 943041265000731
  43. Barbara Haller, MDSan Francisco, CA 941101396815130
  44. Sepehr Hamidi, M.D.Los Angeles, CA 900951124386032
  45. Timothy Hamill, MDSan Francisco, CA 941071124083944
  46. James Hannah, M.D.San Luis Obispo, CA 934011386670495
  47. Maie Herrick, MDSan Jose, CA 951281518925494
  48. Alan Hiti, MD, PHDLos Angeles, CA 900891053456285
  49. John HunnicuttSan Pablo, CA 948061306997721
  50. Shohei Ikoma, M.D.Los Angeles, CA 900891184041501

Source: CMS NPPES, primary taxonomy 207ZP0105X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 27 of 49 per resident

  1. Alabama0.4
  2. Florida0.4
  3. Wyoming0.3
  4. California0.3
  5. North Carolina0.3
  6. Vermont0.3
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 207ZP0105X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

35.9% of these records appear in a Medicare file, against 49.3% 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. California35.9%
  2. United States49.3%

Clinical Pathology/Laboratory Medicine Physician records in California, measured

  • In a Medicare file47 of 131 · 35.9% here, 49.3% nationally
  • In the CMS Doctors and Clinicians file40 · 30.5% here, 41.7% nationally
  • Not updated in five years or more83 · 63.4% here, 65.6% nationally
  • Median graduation year1998 · the 40 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207ZP0105X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

131 NPPES records list clinical pathology/laboratory medicine physician (207ZP0105X) as their primary taxonomy with a practice address in California: 0.3 per 100,000 residents against 0.4 nationally (50 states and D.C.). San Francisco has 28 of them (21%).

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 York102
  2. Pennsylvania86
  3. Florida83
  4. Wisconsin80

States with a similar rate per 100,000

  1. North Carolina0.3
  2. Colorado0.3
  3. Alabama0.4
  4. Maryland0.4

The largest states

  1. New York102
  2. Pennsylvania86
  3. Florida83
  4. Wisconsin80
  5. Minnesota79

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.