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

SHANNON CHANG

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1932423910
CMS profile
1397042
Location
NEW YORK, NY

General Payments · PY2018–2024

$71,572.26

  • Reported across 173 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$7,241.56

34 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

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $5,970.00 3
Food and Beverage $769.17 27
Travel and Lodging $427.40 3
Education $74.99 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $465.29 9
PY2019 $9,182.92 10
PY2020 $3,300.00 1
PY2021 $8,392.45 38
PY2022 $10,379.61 27
PY2023 $32,610.43 54
PY2024 $7,241.56 34

Payment records · PY2024 (34)

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

Program year 2024 201820192020202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $30.43 03/21/2024 Food and Beverage Undisputed 01/23/2026 1103442500 CMS
ABBVIE INC. $34.05 04/04/2024 Food and Beverage Undisputed 01/23/2026 1103442502 CMS
ABBVIE INC. $25.19 10/27/2024 Food and Beverage Undisputed 01/23/2026 1103442504 CMS
ABBVIE INC. $24.03 11/07/2024 Food and Beverage Undisputed 01/23/2026 1103442506 CMS
ABBVIE INC. $31.42 11/20/2024 Food and Beverage Undisputed 01/23/2026 1103442508 CMS
ABBVIE INC. $33.03 12/19/2024 Food and Beverage Undisputed 01/23/2026 1103442510 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $34.03 01/18/2024 Food and Beverage Undisputed 01/23/2026 1118240943 CMS
Celgene Corporation $27.61 02/06/2024 Food and Beverage Undisputed 01/23/2026 1101150973 CMS
Celgene Corporation $29.17 03/06/2024 Food and Beverage Undisputed 01/23/2026 1101150975 CMS
Celgene Corporation $29.17 07/31/2024 Food and Beverage Undisputed 01/23/2026 1101151001 CMS
E.R. Squibb & Sons, L.L.C. $1,800.00 01/11/2024 Consulting Fee Undisputed 01/23/2026 1101526930 CMS
E.R. Squibb & Sons, L.L.C. $122.78 03/12/2024 Food and Beverage Undisputed 01/23/2026 1101526949 CMS
Ferring Pharmaceuticals Inc. $34.52 01/19/2024 Food and Beverage Undisputed 01/23/2026 1137468826 CMS
Ferring Pharmaceuticals Inc. $34.52 02/16/2024 Food and Beverage Undisputed 01/23/2026 1137468830 CMS
Ferring Pharmaceuticals Inc. $34.52 05/24/2024 Food and Beverage Undisputed 01/23/2026 1137468834 CMS
Janssen Biotech, Inc. $74.99 01/02/2024 Education Undisputed 01/23/2026 1078457761 CMS
Janssen Biotech, Inc. $2,085.00 04/08/2024 Consulting Fee Undisputed 01/23/2026 1078443891 CMS
Janssen Biotech, Inc. $37.95 10/26/2024 Food and Beverage Undisputed 01/23/2026 1078450799 CMS
Janssen Biotech, Inc. $2,085.00 10/29/2024 Consulting Fee Undisputed 01/23/2026 1078455351 CMS
Janssen Biotech, Inc. $118.00 11/05/2024 Travel and Lodging Undisputed 01/23/2026 1078442996 CMS
Janssen Biotech, Inc. $15.12 11/05/2024 Food and Beverage Undisputed 01/23/2026 1078449378 CMS
Janssen Biotech, Inc. $83.34 11/05/2024 Travel and Lodging Undisputed 01/23/2026 1078459202 CMS
Janssen Scientific Affairs, LLC $15.24 02/15/2024 Food and Beverage Undisputed 01/23/2026 1078855700 CMS
Organon Llc $23.00 05/09/2024 Food and Beverage Undisputed 01/23/2026 1136309581 CMS
Organon Llc $21.58 06/13/2024 Food and Beverage Undisputed 01/23/2026 1136309583 CMS
PFIZER INC. $226.06 01/17/2024 Travel and Lodging Undisputed 01/23/2026 1131169808 CMS
PFIZER INC. $30.97 02/22/2024 Food and Beverage Undisputed 01/23/2026 1131184216 CMS
PFIZER INC. $3.23 10/30/2024 Food and Beverage Undisputed 01/23/2026 1132115867 CMS
PFIZER INC. $21.65 10/30/2024 Food and Beverage Undisputed 01/23/2026 1132125477 CMS
PFIZER INC. $16.19 11/06/2024 Food and Beverage Undisputed 01/23/2026 1131194724 CMS
PFIZER INC. $4.58 11/07/2024 Food and Beverage Undisputed 01/23/2026 1131052247 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.33 07/31/2024 Food and Beverage Undisputed 01/23/2026 1153512065 CMS
Takeda Pharmaceuticals U.S.A., Inc. $14.50 01/04/2024 Food and Beverage Undisputed 01/23/2026 1137507630 CMS
Takeda Pharmaceuticals U.S.A., Inc. $23.36 05/02/2024 Food and Beverage Undisputed 01/23/2026 1137507634 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, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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