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Gastroenterology in California

1,885 providers, $39,298,596 in total reported payments from drug and device makers. Ranked below by lifetime general payments. The median provider in this group received $1,790.

Ranking high here usually means a consulting or royalty arrangement, not wrongdoing. Payments to device inventors and trial investigators are legal, disclosed, and concentrated in a small number of people — which is exactly why a list like this has a steep top and a long flat tail.

What Medicare pays gastroenterology clinicians in California

Part B allowed per clinician, 2024
$126,531
Of which, services
$123,195
Clinicians billing Part B
1,431

Across 1,431 gastroenterology clinicians in California who billed Original Medicare Part B in 2024, Medicare allowed $181,066,398 in total — an average of $126,531 each, of which $123,195 was for services and the rest for drugs administered in the office.

This is not a salary. The rest is what Medicare allowed for services these clinicians billed — Original Medicare fee-for-service only. It excludes Medicare Advantage, which now covers more than half of Medicare enrollees, along with Medicaid and every commercial insurer, so for most clinicians it is a fraction of their practice. It is also gross revenue: staff, rent, supplies and malpractice premiums all come out of it before anyone is paid. Anyone quoting a figure like this as physician pay is misreading it.

Ranked by reported payments

  1. 1Bennett RothLos Angeles$2,848,928
  2. 2Douglas NguyenMission Viejo$2,036,599
  3. 3Sammy SaabLos Angeles$1,917,306
  4. 4Kenneth ChangNewport Beach$1,288,241
  5. 5Joo HwangStanford$1,018,908
  6. 6Drew SchembreWalnut Creek$659,365
  7. 7Quan Nhula Jolla$640,666
  8. 8Sadeea AbbasiLos Angeles$556,081
  9. 9Ali RezaieWest Hollywood$518,567
  10. 10Kenneth BinmoellerSan Francisco$507,242
  11. 11Maria AbreuWest Hollywood$491,120
  12. 12Craig AronchickUkiah$488,836
  13. 13Gil MelmedLos Angeles$467,070
  14. 14Shai FriedlandStanford$451,837
  15. 15Carl AlbersOrange$382,553
  16. 16Mike WeiStanford$381,751
  17. 17Mona RezapourWest Hills$371,541
  18. 18Catherine Frenettela Jolla$342,325
  19. 19William SandbornSan Diego$339,744
  20. 20Jason SamarasenaOrange$329,971
  21. 21Uma MahadevanSan Francisco$324,977
  22. 22Paul Pockrosla Jolla$317,699
  23. 23David ShieldsPalo Alto$301,049
  24. 24Venkataraman MuthusamyLos Angeles$297,394
  25. 25Margaret ZhouStanford$287,935
  26. 26David KunkelSan Diego$286,942
  27. 27Seyedehsan NavabiMurrieta$279,083
  28. 28Caroline HwangLos Angeles$278,585
  29. 29Yvette DavidMission Hills$270,836
  30. 30Walter Coylela Jolla$269,400
  31. 31Tonya KaltenbachPalo Alto$268,868
  32. 32Adarsh ThakerLos Angeles$241,048
  33. 33Suejin KimSan Jose$230,965
  34. 34Mazer AllyOceanside$228,630
  35. 35Jennifer PhanNewport Beach$225,640
  36. 36Andres YarurLos Angeles$218,449
  37. 37Andrew LiStanford$217,093
  38. 38Jatinder PruthiLancaster$216,983
  39. 39Walter ParkStanford$216,457
  40. 40Joseph PisegnaLos Angeles$210,433
  41. 41Shang WuHacienda Heights$202,631
  42. 42Ryan McConnellPalo Alto$197,066
  43. 43Steven-Huy HanLos Angeles$194,071
  44. 44Ken NguyenTemple City$190,707
  45. 45Danny IssaWest Hills$187,845
  46. 46Lorenzo RossaroWoodland$184,693
  47. 47Naveen GaraSan Diego$178,126
  48. 48Rabindra WatsonWest Hollywood$172,930
  49. 49Barham AbudayyehWest Hollywood$170,872
  50. 50Christopher BowlusSacramento$168,480
  51. 51Shahab MehdizadehBeverly Hills$162,949
  52. 52Glenn LittenbergPasadena$161,571
  53. 53Gina ChoiLos Angeles$159,646
  54. 54Rashmi KumarIrvine$158,887
  55. 55Francis YaoSan Francisco$158,719
  56. 56Neil StollmanOakland$157,888
  57. 57Kumkum PatelFullerton$151,401
  58. 58Paul KwoStanford$150,026
  59. 59Seper DezfoliBeverly Hills$146,040
  60. 60Christopher BuiSanta Ana$145,415
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