IndustryPayments
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

DEAN CHANG

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1770564247
CMS profile
125550
Location
HAMDEN, CT

General Payments · PY2018–2024

$13,374.84

  • Reported across 546 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,034.48

130 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.

Related groups: Gastroenterology CT All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $3,034.48 130

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
ABBVIE INC. $723.16 38
Gilead Sciences, Inc. $633.41 27
QOL Medical, LLC $463.28 15
AIMMUNE THERAPEUTICS, INC. $197.27 4
Celgene Corporation $155.09 9
Acerta Pharma LLC $120.98 1
Ardelyx, Inc. $118.74 5
Regeneron Healthcare Solutions, Inc. $95.21 4
PFIZER INC. $73.87 4
Takeda Pharmaceuticals U.S.A., Inc. $73.29 3
Salix Pharmaceuticals, a division of Bausch Health US, LLC $73.17 4
Janssen Biotech, Inc. $70.23 4
IRONWOOD PHARMACEUTICALS, INC $65.57 3
Lilly USA, LLC $49.31 2
Phathom Pharmaceuticals, Inc. $35.85 2
INTERCEPT PHARMACEUTICALS, INC. $23.61 1
Fresenius Kabi USA, LLC $18.97 1
Tempus AI, Inc $16.39 1
Merck Sharp & Dohme Corporation $13.99 1
Ferring Pharmaceuticals Inc. $13.09 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,011.08 58
PY2019 $1,453.78 87
PY2020 $573.65 29
PY2021 $3,134.42 57
PY2022 $1,663.17 68
PY2023 $2,504.26 117
PY2024 $3,034.48 130

Payment records · PY2024 (130)

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. $25.58 01/06/2024 Food and Beverage Undisputed 01/23/2026 1103440904 CMS
ABBVIE INC. $14.07 01/12/2024 Food and Beverage Undisputed 01/23/2026 1103440906 CMS
ABBVIE INC. $11.15 01/20/2024 Food and Beverage Undisputed 01/23/2026 1103440908 CMS
ABBVIE INC. $8.24 01/27/2024 Food and Beverage Undisputed 01/23/2026 1103440910 CMS
ABBVIE INC. $14.79 02/17/2024 Food and Beverage Undisputed 01/23/2026 1103440912 CMS
ABBVIE INC. $9.71 03/01/2024 Food and Beverage Undisputed 01/23/2026 1103440914 CMS
ABBVIE INC. $16.05 03/05/2024 Food and Beverage Undisputed 01/23/2026 1103440916 CMS
ABBVIE INC. $24.25 03/08/2024 Food and Beverage Undisputed 01/23/2026 1103440918 CMS
ABBVIE INC. $18.89 03/21/2024 Food and Beverage Undisputed 01/23/2026 1103440920 CMS
ABBVIE INC. $12.57 04/02/2024 Food and Beverage Undisputed 01/23/2026 1103440922 CMS
ABBVIE INC. $24.74 04/04/2024 Food and Beverage Undisputed 01/23/2026 1103440924 CMS
ABBVIE INC. $6.11 04/10/2024 Food and Beverage Undisputed 01/23/2026 1103440926 CMS
ABBVIE INC. $23.69 04/16/2024 Food and Beverage Undisputed 01/23/2026 1103440928 CMS
ABBVIE INC. $18.26 05/03/2024 Food and Beverage Undisputed 01/23/2026 1103440930 CMS
ABBVIE INC. $29.77 05/15/2024 Food and Beverage Undisputed 01/23/2026 1103440932 CMS
ABBVIE INC. $13.11 05/23/2024 Food and Beverage Undisputed 01/23/2026 1103440934 CMS
ABBVIE INC. $7.14 05/30/2024 Food and Beverage Undisputed 01/23/2026 1103440936 CMS
ABBVIE INC. $17.77 05/31/2024 Food and Beverage Undisputed 01/23/2026 1103440938 CMS
ABBVIE INC. $11.72 06/13/2024 Food and Beverage Undisputed 01/23/2026 1103440940 CMS
ABBVIE INC. $13.55 06/15/2024 Food and Beverage Undisputed 01/23/2026 1103440942 CMS
ABBVIE INC. $16.25 07/02/2024 Food and Beverage Undisputed 01/23/2026 1103440944 CMS
ABBVIE INC. $5.36 07/03/2024 Food and Beverage Undisputed 01/23/2026 1103440946 CMS
ABBVIE INC. $24.40 07/23/2024 Food and Beverage Undisputed 01/23/2026 1103440948 CMS
ABBVIE INC. $11.61 07/29/2024 Food and Beverage Undisputed 01/23/2026 1103440950 CMS
ABBVIE INC. $23.39 08/08/2024 Food and Beverage Undisputed 01/23/2026 1103440952 CMS
ABBVIE INC. $16.93 08/09/2024 Food and Beverage Undisputed 01/23/2026 1103440954 CMS
ABBVIE INC. $27.30 08/15/2024 Food and Beverage Undisputed 01/23/2026 1103440956 CMS
ABBVIE INC. $6.87 08/22/2024 Food and Beverage Undisputed 01/23/2026 1103440958 CMS
ABBVIE INC. $15.78 08/29/2024 Food and Beverage Undisputed 01/23/2026 1103440960 CMS
ABBVIE INC. $10.01 09/07/2024 Food and Beverage Undisputed 01/23/2026 1103440962 CMS
ABBVIE INC. $25.15 09/17/2024 Food and Beverage Undisputed 01/23/2026 1103440964 CMS
ABBVIE INC. $17.55 09/26/2024 Food and Beverage Undisputed 01/23/2026 1103440966 CMS
ABBVIE INC. $16.05 10/17/2024 Food and Beverage Undisputed 01/23/2026 1103440968 CMS
ABBVIE INC. $14.76 10/18/2024 Food and Beverage Undisputed 01/23/2026 1103440970 CMS
ABBVIE INC. $26.99 11/06/2024 Food and Beverage Undisputed 01/23/2026 1103440972 CMS
ABBVIE INC. $13.77 12/03/2024 Food and Beverage Undisputed 01/23/2026 1103440974 CMS
ABBVIE INC. $4.83 12/05/2024 Food and Beverage Undisputed 01/23/2026 1103440976 CMS
ABBVIE INC. $125.00 12/12/2024 Food and Beverage Undisputed 01/23/2026 1103440978 CMS
AIMMUNE THERAPEUTICS, INC. $22.03 04/25/2024 Food and Beverage Undisputed 01/23/2026 1146970265 CMS
AIMMUNE THERAPEUTICS, INC. $22.03 04/25/2024 Food and Beverage Undisputed 01/23/2026 1146978864 CMS
AIMMUNE THERAPEUTICS, INC. $28.21 06/11/2024 Food and Beverage Undisputed 01/23/2026 1146978916 CMS
AIMMUNE THERAPEUTICS, INC. $125.00 10/10/2024 Food and Beverage Undisputed 01/23/2026 1146974421 CMS
Ardelyx, Inc. $24.13 06/06/2024 Food and Beverage Undisputed 01/23/2026 1146674612 CMS
Ardelyx, Inc. $21.01 06/14/2024 Food and Beverage Undisputed 01/23/2026 1146674614 CMS
Ardelyx, Inc. $26.27 07/16/2024 Food and Beverage Undisputed 01/23/2026 1146674616 CMS
Ardelyx, Inc. $23.01 10/03/2024 Food and Beverage Undisputed 01/23/2026 1146674618 CMS
Ardelyx, Inc. $24.32 10/31/2024 Food and Beverage Undisputed 01/23/2026 1146674620 CMS
AstraZeneca Pharmaceuticals LP $120.98 05/14/2024 Food and Beverage Undisputed 01/23/2026 1104440117 CMS
Celgene Corporation $28.99 01/10/2024 Food and Beverage Undisputed 01/23/2026 1101106218 CMS
Celgene Corporation $0.83 01/10/2024 Food and Beverage Undisputed 01/23/2026 1101106220 CMS
Celgene Corporation $26.12 02/06/2024 Food and Beverage Undisputed 01/23/2026 1101106222 CMS
Celgene Corporation $9.98 03/14/2024 Food and Beverage Undisputed 01/23/2026 1101106224 CMS
Celgene Corporation $26.60 07/18/2024 Food and Beverage Undisputed 01/23/2026 1101106226 CMS
Celgene Corporation $30.35 08/06/2024 Food and Beverage Undisputed 01/23/2026 1101106228 CMS
Celgene Corporation $0.74 08/06/2024 Food and Beverage Undisputed 01/23/2026 1101106230 CMS
Celgene Corporation $30.64 10/02/2024 Food and Beverage Undisputed 01/23/2026 1101106232 CMS
Celgene Corporation $0.84 10/02/2024 Food and Beverage Undisputed 01/23/2026 1101106234 CMS
Ferring Pharmaceuticals Inc. $13.09 05/28/2024 Food and Beverage Undisputed 01/23/2026 1137468765 CMS
Fresenius Kabi USA, LLC $18.97 08/01/2024 Food and Beverage Undisputed 01/23/2026 1146952470 CMS
Gilead Sciences, Inc. $22.91 01/09/2024 Food and Beverage Undisputed 01/23/2026 1133771833 CMS
Gilead Sciences, Inc. $16.67 02/03/2024 Food and Beverage Undisputed 01/23/2026 1133771835 CMS
Gilead Sciences, Inc. $16.09 02/09/2024 Food and Beverage Undisputed 01/23/2026 1133771837 CMS
Gilead Sciences, Inc. $11.84 02/15/2024 Food and Beverage Undisputed 01/23/2026 1133771839 CMS
Gilead Sciences, Inc. $3.75 02/22/2024 Food and Beverage Undisputed 01/23/2026 1133771841 CMS
Gilead Sciences, Inc. $15.48 02/22/2024 Food and Beverage Undisputed 01/23/2026 1133771843 CMS
Gilead Sciences, Inc. $14.01 03/01/2024 Food and Beverage Undisputed 01/23/2026 1133771845 CMS
Gilead Sciences, Inc. $13.24 03/16/2024 Food and Beverage Undisputed 01/23/2026 1133771847 CMS
Gilead Sciences, Inc. $13.46 04/09/2024 Food and Beverage Undisputed 01/23/2026 1133771849 CMS
Gilead Sciences, Inc. $23.27 04/09/2024 Food and Beverage Undisputed 01/23/2026 1133771851 CMS
Gilead Sciences, Inc. $5.16 04/19/2024 Food and Beverage Undisputed 01/23/2026 1133771853 CMS
Gilead Sciences, Inc. $15.40 05/06/2024 Food and Beverage Undisputed 01/23/2026 1133771855 CMS
Gilead Sciences, Inc. $6.51 05/18/2024 Food and Beverage Undisputed 01/23/2026 1133771857 CMS
Gilead Sciences, Inc. $11.72 05/22/2024 Food and Beverage Undisputed 01/23/2026 1133771859 CMS
Gilead Sciences, Inc. $13.90 06/07/2024 Food and Beverage Undisputed 01/23/2026 1133771861 CMS
Gilead Sciences, Inc. $17.01 06/13/2024 Food and Beverage Undisputed 01/23/2026 1133771863 CMS
Gilead Sciences, Inc. $8.32 06/18/2024 Food and Beverage Undisputed 01/23/2026 1133771865 CMS
Gilead Sciences, Inc. $14.41 06/18/2024 Food and Beverage Undisputed 01/23/2026 1133771867 CMS
Gilead Sciences, Inc. $18.05 08/09/2024 Food and Beverage Undisputed 01/23/2026 1133771869 CMS
Gilead Sciences, Inc. $11.90 08/13/2024 Food and Beverage Undisputed 01/23/2026 1133771871 CMS
Gilead Sciences, Inc. $18.87 08/29/2024 Food and Beverage Undisputed 01/23/2026 1133771873 CMS
Gilead Sciences, Inc. $20.31 11/05/2024 Food and Beverage Undisputed 01/23/2026 1133771875 CMS
Gilead Sciences, Inc. $16.29 11/23/2024 Food and Beverage Undisputed 01/23/2026 1133771877 CMS
Gilead Sciences, Inc. $143.75 12/05/2024 Food and Beverage Undisputed 01/23/2026 1133771879 CMS
Gilead Sciences, Inc. $15.91 12/10/2024 Food and Beverage Undisputed 01/23/2026 1133771881 CMS
Gilead Sciences, Inc. $123.53 12/11/2024 Food and Beverage Undisputed 01/23/2026 1133771883 CMS
Gilead Sciences, Inc. $21.65 12/19/2024 Food and Beverage Undisputed 01/23/2026 1133771885 CMS
Intercept Pharmaceuticals, Inc. $23.61 06/27/2024 Food and Beverage Undisputed 01/23/2026 1113632772 CMS
IRONWOOD PHARMACEUTICALS, INC $22.85 06/12/2024 Food and Beverage Undisputed 01/23/2026 1153764092 CMS
IRONWOOD PHARMACEUTICALS, INC $22.49 06/25/2024 Food and Beverage Undisputed 01/23/2026 1153719755 CMS
IRONWOOD PHARMACEUTICALS, INC $20.23 09/27/2024 Food and Beverage Undisputed 01/23/2026 1153710787 CMS
Janssen Biotech, Inc. $17.06 06/25/2024 Food and Beverage Undisputed 01/23/2026 1078376437 CMS
Janssen Biotech, Inc. $14.96 08/20/2024 Food and Beverage Undisputed 01/23/2026 1078376510 CMS
Janssen Biotech, Inc. $18.55 08/23/2024 Food and Beverage Undisputed 01/23/2026 1078376380 CMS
Janssen Biotech, Inc. $19.66 09/20/2024 Food and Beverage Undisputed 01/23/2026 1078376142 CMS
Lilly USA, LLC $25.31 04/17/2024 Food and Beverage Undisputed 01/23/2026 1136150769 CMS
Lilly USA, LLC $24.00 10/14/2024 Food and Beverage Undisputed 01/23/2026 1136137402 CMS
Merck Sharp & Dohme LLC $13.99 09/04/2024 Food and Beverage Undisputed 01/23/2026 1141782973 CMS
PFIZER INC. $23.79 01/17/2024 Food and Beverage Undisputed 01/23/2026 1131137339 CMS
PFIZER INC. $16.61 03/08/2024 Food and Beverage Undisputed 01/23/2026 1131276561 CMS
PFIZER INC. $13.64 07/03/2024 Food and Beverage Undisputed 01/23/2026 1131786008 CMS
PFIZER INC. $19.83 12/05/2024 Food and Beverage Undisputed 01/23/2026 1131021745 CMS
Phathom Pharmaceuticals, Inc. $20.38 02/12/2024 Food and Beverage Undisputed 01/23/2026 1151047822 CMS
Phathom Pharmaceuticals, Inc. $15.47 06/04/2024 Food and Beverage Undisputed 01/23/2026 1151047824 CMS
QOL Medical, LLC $28.73 03/28/2024 Food and Beverage Undisputed 01/23/2026 1147724118 CMS
QOL Medical, LLC $24.83 04/09/2024 Food and Beverage Undisputed 01/23/2026 1147724120 CMS
QOL Medical, LLC $27.32 05/14/2024 Food and Beverage Undisputed 01/23/2026 1147724122 CMS
QOL Medical, LLC $32.13 06/18/2024 Food and Beverage Undisputed 01/23/2026 1147724124 CMS
QOL Medical, LLC $37.17 07/11/2024 Food and Beverage Undisputed 01/23/2026 1147724126 CMS
QOL Medical, LLC $22.36 08/01/2024 Food and Beverage Undisputed 01/23/2026 1147724128 CMS
QOL Medical, LLC $17.09 08/06/2024 Food and Beverage Undisputed 01/23/2026 1147724130 CMS
QOL Medical, LLC $17.59 08/23/2024 Food and Beverage Undisputed 01/23/2026 1147724132 CMS
QOL Medical, LLC $17.85 09/06/2024 Food and Beverage Undisputed 01/23/2026 1147724134 CMS
QOL Medical, LLC $26.68 09/20/2024 Food and Beverage Undisputed 01/23/2026 1147724136 CMS
QOL Medical, LLC $40.65 10/08/2024 Food and Beverage Undisputed 01/23/2026 1147724138 CMS
QOL Medical, LLC $11.50 10/18/2024 Food and Beverage Undisputed 01/23/2026 1147724140 CMS
QOL Medical, LLC $18.91 11/08/2024 Food and Beverage Undisputed 01/23/2026 1147724142 CMS
QOL Medical, LLC $124.52 11/21/2024 Food and Beverage Undisputed 01/23/2026 1147724116 CMS
QOL Medical, LLC $15.95 12/13/2024 Food and Beverage Undisputed 01/23/2026 1147724144 CMS
Regeneron Healthcare Solutions, Inc. $24.98 06/20/2024 Food and Beverage Undisputed 01/23/2026 1114021680 CMS
Regeneron Healthcare Solutions, Inc. $23.68 07/16/2024 Food and Beverage Undisputed 01/23/2026 1114021682 CMS
Regeneron Healthcare Solutions, Inc. $22.21 07/26/2024 Food and Beverage Undisputed 01/23/2026 1114021684 CMS
Regeneron Healthcare Solutions, Inc. $24.34 11/19/2024 Food and Beverage Undisputed 01/23/2026 1114021686 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.72 06/06/2024 Food and Beverage Undisputed 01/23/2026 1153592395 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.36 06/12/2024 Food and Beverage Undisputed 01/23/2026 1153395577 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.18 06/12/2024 Food and Beverage Undisputed 01/23/2026 1153686780 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $23.91 08/07/2024 Food and Beverage Undisputed 01/23/2026 1153725702 CMS
Takeda Pharmaceuticals U.S.A., Inc. $20.71 07/30/2024 Food and Beverage Undisputed 01/23/2026 1137507260 CMS
Takeda Pharmaceuticals U.S.A., Inc. $31.46 10/01/2024 Food and Beverage Undisputed 01/23/2026 1137507264 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.12 11/15/2024 Food and Beverage Undisputed 01/23/2026 1137507268 CMS
Tempus AI, Inc $16.39 10/30/2024 Food and Beverage Undisputed 01/23/2026 1150162332 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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