RxDoctor Payments Data

David Kaufman, DO

Gastroenterology · Irvine, CANPI 1508893363

Payments from drug & device makers

$4,175in general payments, 2019–2025

Across 217 payments — averaging $19.24 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

  • AbbVie$3K
  • Sanofi$510
  • Takeda Pharmaceuticals U.S.A., Inc.$192
  • Regeneron Healthcare Solutions, Inc.$124
  • Johnson & Johnson$119
  • Madrigal Pharmaceuticals$86
  • plus $252 from 7 others

What the payments were for

  • Food & beverage$4,161100%
  • Education$140%

Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.

General payments by program year

19
20
21
22
23
24
25

Who reported the general payments

Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.

How this compares

$4,175 in reported general payments places this provider in the 60th percentile of 1,885 gastroenterology providers in California.

See all gastroenterology providers in California

Medicare billing

Part B allowed, 2024
$185,427
Medicare patients
696
Services billed
1,526

What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.

Most prescribed under Part D

DrugClaimsCost to plans & patients
CreonLipase/Protease/Amylase39$86,677
LinzessLinaclotide17$27,683
Budesonide EcBudesonide49$18,283
MovantikNaloxegol Oxalate16$12,617
Colesevelam Hcl17$8,607
Mesalamine ErMesalamine20$8,250
Mesalamine32$7,685
Famotidine408$7,480
Dexlansoprazole DrDexlansoprazole18$5,755
Balsalazide Disodium30$5,685
Pantoprazole Sodium377$3,443
Sucralfate48$3,188
Budesonide DrBudesonide33$2,966
Omeprazole206$2,932
Dicyclomine Hcl79$2,811

Paid to pharmacies, not to this prescriber.

Companies that both paid and supply prescribed drugs

These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.

CompanyPaid to this providerPart D cost of their drugs
AbbVieCreon, Linzess$2,892$114,36156 claims
Redhill Biopharma Inc.Movantik$41$12,61716 claims

Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 60th percentile of 1,885 gastroenterology providers in California.

Other gastroenterology in Irvine

See the full list for California

Where these figures come from

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