Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

DAVID CHUDWIN

Allopathic & Osteopathic Physicians Allergy & Immunology

NPI
1669472262
CMS profile
302004
Location
BOURBONNAIS, IL

General Payments · PY2018–2023

$8,619.58

  • Reported across 242 records
  • CMS publication 2026-01-23

Latest program year · PY2023

$600.71

37 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2023 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $600.71 37

By paying entity

PY2023 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $5,322.14 70
PY2019 $770.04 41
PY2020 $368.90 8
PY2021 $568.71 32
PY2022 $989.08 54
PY2023 $600.71 37

Payment records · PY2023 (37)

Sorted by paying entity, then date · as published by CMS

Program year 2023 20182019202020212022 Record-level detail is published for PY2023; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Amgen Inc. $21.03 06/06/2023 Food and Beverage Undisputed 01/23/2026 1019888923 CMS
Amgen Inc. $22.28 10/18/2023 Food and Beverage Undisputed 01/23/2026 1019888925 CMS
AstraZeneca Pharmaceuticals LP $13.18 02/20/2023 Food and Beverage Undisputed 01/23/2026 1016136143 CMS
AstraZeneca Pharmaceuticals LP $17.76 11/15/2023 Food and Beverage Undisputed 01/23/2026 1011616357 CMS
Blueprint Medicines Corporation $13.89 03/20/2023 Food and Beverage Undisputed 01/23/2026 1051270169 CMS
Blueprint Medicines Corporation $14.32 06/27/2023 Food and Beverage Undisputed 01/23/2026 1051270145 CMS
GENZYME CORPORATION $14.81 09/26/2023 Food and Beverage Undisputed 01/23/2026 1049836685 CMS
GENZYME CORPORATION $71.41 10/05/2023 Food and Beverage Undisputed 01/23/2026 1049836709 CMS
GENZYME CORPORATION $16.07 10/31/2023 Food and Beverage Undisputed 01/23/2026 1049836705 CMS
GlaxoSmithKline, LLC. $14.57 01/17/2023 Food and Beverage Undisputed 01/23/2026 1003201611 CMS
GlaxoSmithKline, LLC. $18.94 01/30/2023 Food and Beverage Undisputed 01/23/2026 1003201669 CMS
GlaxoSmithKline, LLC. $7.21 02/27/2023 Food and Beverage Undisputed 01/23/2026 1003199579 CMS
GlaxoSmithKline, LLC. $11.62 02/28/2023 Food and Beverage Undisputed 01/23/2026 1003199567 CMS
GlaxoSmithKline, LLC. $8.60 03/27/2023 Food and Beverage Undisputed 01/23/2026 1003201607 CMS
GlaxoSmithKline, LLC. $15.36 04/04/2023 Food and Beverage Undisputed 01/23/2026 1003200545 CMS
GlaxoSmithKline, LLC. $13.38 04/04/2023 Food and Beverage Undisputed 01/23/2026 1003202729 CMS
GlaxoSmithKline, LLC. $8.81 04/25/2023 Food and Beverage Undisputed 01/23/2026 1003201675 CMS
GlaxoSmithKline, LLC. $21.37 06/01/2023 Food and Beverage Undisputed 01/23/2026 1003200589 CMS
GlaxoSmithKline, LLC. $12.25 06/21/2023 Food and Beverage Undisputed 01/23/2026 1003200551 CMS
GlaxoSmithKline, LLC. $9.96 08/09/2023 Food and Beverage Undisputed 01/23/2026 1003202763 CMS
GlaxoSmithKline, LLC. $6.18 08/22/2023 Food and Beverage Undisputed 01/23/2026 1003198557 CMS
GlaxoSmithKline, LLC. $6.53 08/25/2023 Food and Beverage Undisputed 01/23/2026 1003200579 CMS
GlaxoSmithKline, LLC. $9.69 08/31/2023 Food and Beverage Undisputed 01/23/2026 1003201627 CMS
GlaxoSmithKline, LLC. $16.97 08/31/2023 Food and Beverage Undisputed 01/23/2026 1003201639 CMS
GlaxoSmithKline, LLC. $20.18 09/11/2023 Food and Beverage Undisputed 01/23/2026 1003202745 CMS
GlaxoSmithKline, LLC. $12.27 10/04/2023 Food and Beverage Undisputed 01/23/2026 1003202759 CMS
GlaxoSmithKline, LLC. $12.30 10/25/2023 Food and Beverage Undisputed 01/23/2026 1003201615 CMS
GlaxoSmithKline, LLC. $10.16 10/30/2023 Food and Beverage Undisputed 01/23/2026 1003203981 CMS
GlaxoSmithKline, LLC. $2.97 12/19/2023 Food and Beverage Undisputed 01/23/2026 1003199585 CMS
GlaxoSmithKline, LLC. $6.16 12/19/2023 Food and Beverage Undisputed 01/23/2026 1003201645 CMS
GlaxoSmithKline, LLC. $7.90 12/19/2023 Food and Beverage Undisputed 01/23/2026 1003201653 CMS
Incyte Corporation $55.12 11/11/2023 Food and Beverage Undisputed 01/23/2026 1044409453 CMS
Novartis Pharmaceuticals Corporation $14.52 08/29/2023 Food and Beverage Undisputed 01/23/2026 991616061 CMS
Octapharma USA, Inc. $14.82 03/15/2023 Food and Beverage Undisputed 01/23/2026 1042719607 CMS
Regeneron Healthcare Solutions, Inc. $23.77 04/18/2023 Food and Beverage Undisputed 01/23/2026 999125549 CMS
Regeneron Healthcare Solutions, Inc. $19.87 08/22/2023 Food and Beverage Undisputed 01/23/2026 999125553 CMS
Regeneron Healthcare Solutions, Inc. $14.48 11/07/2023 Food and Beverage Undisputed 01/23/2026 999125557 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2018, 2019, 2020, 2021, 2022, 2023
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023
Generated from
OP_DTL_GNRL_PGYR2023_P01232026_01102026.csv

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