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

CHRISTOPHER H CHANG

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1417981796
CMS profile
290718
Location
ALBUQUERQUE, NM

General Payments · PY2018–2024

$59,600.35

  • Reported across 199 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$15,046.79

63 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

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $15,810.96 35
PY2019 $13,036.54 36
PY2020 $4,591.77 11
PY2021 $3,739.22 9
PY2022 $5,289.56 15
PY2023 $2,085.51 30
PY2024 $15,046.79 63

Payment records · PY2024 (63)

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. $4.41 02/06/2024 Food and Beverage Undisputed 01/23/2026 1103440740 CMS
ABBVIE INC. $20.01 02/29/2024 Food and Beverage Undisputed 01/23/2026 1103440742 CMS
ABBVIE INC. $7.18 03/14/2024 Food and Beverage Undisputed 01/23/2026 1103440744 CMS
ABBVIE INC. $22.28 03/20/2024 Food and Beverage Undisputed 01/23/2026 1103440746 CMS
ABBVIE INC. $31.73 03/21/2024 Food and Beverage Undisputed 01/23/2026 1103440748 CMS
ABBVIE INC. $14.24 05/06/2024 Food and Beverage Undisputed 01/23/2026 1103440750 CMS
ABBVIE INC. $17.49 05/11/2024 Food and Beverage Undisputed 01/23/2026 1103440752 CMS
ABBVIE INC. $21.91 05/30/2024 Food and Beverage Undisputed 01/23/2026 1103440754 CMS
ABBVIE INC. $21.21 07/24/2024 Food and Beverage Undisputed 01/23/2026 1103440756 CMS
ABBVIE INC. $22.77 07/31/2024 Food and Beverage Undisputed 01/23/2026 1103440758 CMS
ABBVIE INC. $16.45 08/28/2024 Food and Beverage Undisputed 01/23/2026 1103440760 CMS
ABBVIE INC. $28.23 11/13/2024 Food and Beverage Undisputed 01/23/2026 1103440762 CMS
ABBVIE INC. $9.99 12/11/2024 Food and Beverage Undisputed 01/23/2026 1103440764 CMS
ABBVIE INC. $20.12 12/11/2024 Food and Beverage Undisputed 01/23/2026 1103440766 CMS
AIMMUNE THERAPEUTICS, INC. $118.24 04/23/2024 Food and Beverage Undisputed 01/23/2026 1146969325 CMS
AIMMUNE THERAPEUTICS, INC. $3,000.00 05/13/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1146969315 CMS
AIMMUNE THERAPEUTICS, INC. $80.80 05/14/2024 Food and Beverage Undisputed 01/23/2026 1146959523 CMS
AIMMUNE THERAPEUTICS, INC. $8,250.00 05/28/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1146959529 CMS
AIMMUNE THERAPEUTICS, INC. $369.84 06/24/2024 Travel and Lodging Undisputed 01/23/2026 1146959527 CMS
AIMMUNE THERAPEUTICS, INC. $18.00 06/24/2024 Travel and Lodging Undisputed 01/23/2026 1146960491 CMS
AIMMUNE THERAPEUTICS, INC. $8.05 06/24/2024 Food and Beverage Undisputed 01/23/2026 1146960493 CMS
AIMMUNE THERAPEUTICS, INC. $211.91 06/24/2024 Travel and Lodging Undisputed 01/23/2026 1146960515 CMS
AIMMUNE THERAPEUTICS, INC. $18.78 06/24/2024 Food and Beverage Undisputed 01/23/2026 1146960519 CMS
AIMMUNE THERAPEUTICS, INC. $79.31 12/12/2024 Food and Beverage Undisputed 01/23/2026 1146990359 CMS
Ardelyx, Inc. $101.69 05/20/2024 Food and Beverage Undisputed 01/23/2026 1146674600 CMS
Ardelyx, Inc. $103.22 06/20/2024 Food and Beverage Undisputed 01/23/2026 1146674602 CMS
Celgene Corporation $16.48 04/03/2024 Food and Beverage Undisputed 01/23/2026 1101192691 CMS
Celgene Corporation $19.94 06/26/2024 Food and Beverage Undisputed 01/23/2026 1101192699 CMS
Enterra Medical, Inc. $29.57 02/21/2024 Food and Beverage Undisputed 01/23/2026 1154810754 CMS
Enterra Medical, Inc. $107.76 02/21/2024 Food and Beverage Undisputed 01/23/2026 1154810756 CMS
Enterra Medical, Inc. $573.77 10/19/2024 Food and Beverage Undisputed 01/23/2026 1154810758 CMS
Enterra Medical, Inc. $336.37 10/19/2024 Travel and Lodging Undisputed 01/23/2026 1154810760 CMS
Enterra Medical, Inc. $28.60 10/25/2024 Food and Beverage Undisputed 01/23/2026 1154810762 CMS
Exelixis Inc. $116.37 03/14/2024 Food and Beverage Undisputed 01/23/2026 1138556439 CMS
Gilead Sciences, Inc. $22.30 02/14/2024 Food and Beverage Undisputed 01/23/2026 1133790225 CMS
Gilead Sciences, Inc. $31.25 05/16/2024 Food and Beverage Undisputed 01/23/2026 1133790227 CMS
Gilead Sciences, Inc. $24.18 07/18/2024 Food and Beverage Undisputed 01/23/2026 1133790229 CMS
Gilead Sciences, Inc. $28.99 08/21/2024 Food and Beverage Undisputed 01/23/2026 1133790231 CMS
Gilead Sciences, Inc. $18.83 08/22/2024 Food and Beverage Undisputed 01/23/2026 1133790233 CMS
Gilead Sciences, Inc. $25.15 09/19/2024 Food and Beverage Undisputed 01/23/2026 1133790235 CMS
Ipsen Biopharmaceuticals, Inc $20.33 07/04/2024 Food and Beverage Undisputed 01/23/2026 1091985091 CMS
Ipsen Biopharmaceuticals, Inc $36.30 08/14/2024 Food and Beverage Undisputed 01/23/2026 1091985085 CMS
Ipsen Biopharmaceuticals, Inc $125.91 10/10/2024 Food and Beverage Undisputed 01/23/2026 1091985089 CMS
Ipsen Biopharmaceuticals, Inc $21.13 11/06/2024 Food and Beverage Undisputed 01/23/2026 1091985087 CMS
Janssen Biotech, Inc. $139.59 04/19/2024 Food and Beverage Undisputed 01/23/2026 1078383841 CMS
Mallinckrodt Hospital Products Inc. $20.53 09/04/2024 Food and Beverage Undisputed 01/23/2026 1145055566 CMS
Phathom Pharmaceuticals, Inc. $20.29 02/08/2024 Food and Beverage Undisputed 01/23/2026 1151047810 CMS
Phathom Pharmaceuticals, Inc. $76.48 04/16/2024 Food and Beverage Undisputed 01/23/2026 1151047812 CMS
Phathom Pharmaceuticals, Inc. $13.27 04/17/2024 Food and Beverage Undisputed 01/23/2026 1151047814 CMS
Phathom Pharmaceuticals, Inc. $0.53 05/08/2024 Food and Beverage Undisputed 01/23/2026 1151047816 CMS
Phathom Pharmaceuticals, Inc. $17.96 05/09/2024 Food and Beverage Undisputed 01/23/2026 1151047818 CMS
Phathom Pharmaceuticals, Inc. $18.57 10/08/2024 Food and Beverage Undisputed 01/23/2026 1151047820 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.76 01/10/2024 Food and Beverage Undisputed 01/23/2026 1153509333 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $24.45 03/18/2024 Food and Beverage Undisputed 01/23/2026 1153523005 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $27.22 03/18/2024 Food and Beverage Undisputed 01/23/2026 1153579081 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $28.06 04/16/2024 Food and Beverage Undisputed 01/23/2026 1153701251 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $108.12 06/11/2024 Food and Beverage Undisputed 01/23/2026 1153740740 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $34.91 07/10/2024 Food and Beverage Undisputed 01/23/2026 1153653838 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $99.33 07/31/2024 Food and Beverage Undisputed 01/23/2026 1153500149 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $19.14 10/16/2024 Food and Beverage Undisputed 01/23/2026 1153520270 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $26.64 11/19/2024 Food and Beverage Undisputed 01/23/2026 1153401099 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.70 11/20/2024 Food and Beverage Undisputed 01/23/2026 1153584011 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $129.15 12/23/2024 Food and Beverage Undisputed 01/23/2026 1153546737 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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