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

KENNETH J CHANG

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1518047604
CMS profile
113473
Location
NEWPORT BEACH, CA

General Payments · PY2018–2024

$1,145,263.48

  • Reported across 473 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$222,676.44

58 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 $72,272.74 88
PY2019 $40,260.04 77
PY2020 $196,750.27 87
PY2021 $163,866.45 53
PY2022 $242,315.35 55
PY2023 $207,122.19 55
PY2024 $222,676.44 58

Payment records · PY2024 (58)

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
Boston Scientific Corporation $76.91 10/01/2024 Food and Beverage Undisputed 01/23/2026 1092719624 CMS
Cook Incorporated $3,000.00 12/23/2024 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 1118323663 CMS
Cook Medical LLC $155.02 05/21/2024 Food and Beverage Undisputed 01/23/2026 1118330598 CMS
Cook Medical LLC $139.04 09/18/2024 Food and Beverage Undisputed 01/23/2026 1118325080 CMS
Endogastric Solutions, Inc $100.00 01/09/2024 Food and Beverage Undisputed 01/23/2026 1144677210 CMS
Endogastric Solutions, Inc $10.55 01/09/2024 Food and Beverage Undisputed 01/23/2026 1144677212 CMS
Endogastric Solutions, Inc $100.00 01/23/2024 Food and Beverage Undisputed 01/23/2026 1144677214 CMS
Endogastric Solutions, Inc $60,000.00 01/24/2024 Consulting Fee Undisputed 01/23/2026 1144677220 CMS
Endogastric Solutions, Inc $3,750.00 01/24/2024 Consulting Fee Undisputed 01/23/2026 1144677222 CMS
Endogastric Solutions, Inc $80.00 03/02/2024 Food and Beverage Undisputed 01/23/2026 1144677216 CMS
Endogastric Solutions, Inc $6,000.00 04/24/2024 Consulting Fee Undisputed 01/23/2026 1144677224 CMS
Endogastric Solutions, Inc $7.35 06/10/2024 Food and Beverage Undisputed 01/23/2026 1144677218 CMS
Endogastric Solutions, Inc $11,250.00 06/26/2024 Consulting Fee Undisputed 01/23/2026 1144677226 CMS
Endogastric Solutions, Inc $7,200.00 09/04/2024 Consulting Fee Undisputed 01/23/2026 1144677228 CMS
FUJIFILM Healthcare Americas Corporation $71.43 01/03/2024 Food and Beverage Undisputed 01/23/2026 1146124858 CMS
FUJIFILM Healthcare Americas Corporation $266.93 01/11/2024 Food and Beverage Undisputed 01/23/2026 1146124906 CMS
FUJIFILM Healthcare Americas Corporation $366.46 05/10/2024 Food and Beverage Undisputed 01/23/2026 1146124706 CMS
FUJIFILM Healthcare Americas Corporation $975.00 11/01/2024 Consulting Fee Undisputed 01/23/2026 1146126176 CMS
FUJIFILM Healthcare Americas Corporation $325.00 12/20/2024 Consulting Fee Undisputed 01/23/2026 1146126182 CMS
Lucid Diagnostics Inc. $128.17 07/10/2024 Food and Beverage Undisputed 01/23/2026 1152300944 CMS
Medtronic, Inc. $10,075.00 01/05/2024 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 1112035727 CMS
Medtronic, Inc. $42.92 01/11/2024 Food and Beverage Undisputed 01/23/2026 1119354190 CMS
Medtronic, Inc. $8,125.00 05/08/2024 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 1112035729 CMS
Medtronic, Inc. $132.02 05/19/2024 Food and Beverage Undisputed 01/23/2026 1119354192 CMS
Medtronic, Inc. $66.95 05/19/2024 Food and Beverage Undisputed 01/23/2026 1119354196 CMS
Medtronic, Inc. $106.74 05/21/2024 Food and Beverage Undisputed 01/23/2026 1119354194 CMS
Medtronic, Inc. $650.00 06/07/2024 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 1112035731 CMS
Olympus Corporation of the Americas $23.40 01/08/2024 Travel and Lodging Undisputed 01/23/2026 1110432355 CMS
Olympus Corporation of the Americas $10.16 01/10/2024 Food and Beverage Undisputed 01/23/2026 1110432351 CMS
Olympus Corporation of the Americas $60.93 01/10/2024 Food and Beverage Undisputed 01/23/2026 1110432353 CMS
Olympus Corporation of the Americas $77.45 01/24/2024 Food and Beverage Undisputed 01/23/2026 1110436060 CMS
Olympus Corporation of the Americas $250.17 01/27/2024 Travel and Lodging Undisputed 01/23/2026 1110432357 CMS
Olympus Corporation of the Americas $3,315.00 03/28/2024 Education Undisputed 01/23/2026 1110436030 CMS
Olympus Corporation of the Americas $45.33 08/08/2024 Food and Beverage Undisputed 01/23/2026 1110436032 CMS
Olympus Corporation of the Americas $56.78 08/08/2024 Travel and Lodging Undisputed 01/23/2026 1110436034 CMS
Olympus Corporation of the Americas $4,612.50 08/08/2024 Education Undisputed 01/23/2026 1110436036 CMS
Olympus Corporation of the Americas $4,920.00 08/08/2024 Education Undisputed 01/23/2026 1110436038 CMS
Olympus Corporation of the Americas $267.00 08/08/2024 Travel and Lodging Undisputed 01/23/2026 1110436040 CMS
Olympus Corporation of the Americas $615.00 08/08/2024 Education Undisputed 01/23/2026 1110436042 CMS
Olympus Corporation of the Americas $615.00 08/08/2024 Education Undisputed 01/23/2026 1110436044 CMS
Olympus Corporation of the Americas $615.00 08/08/2024 Education Undisputed 01/23/2026 1110436046 CMS
Olympus Corporation of the Americas $1,845.00 08/08/2024 Education Undisputed 01/23/2026 1110436048 CMS
Olympus Corporation of the Americas $1,845.00 08/08/2024 Education Undisputed 01/23/2026 1110436050 CMS
Olympus Corporation of the Americas $35.00 12/16/2024 Travel and Lodging Undisputed 01/23/2026 1110436052 CMS
Olympus Corporation of the Americas $35.00 12/16/2024 Travel and Lodging Undisputed 01/23/2026 1110436054 CMS
Olympus Corporation of the Americas $258.52 12/16/2024 Travel and Lodging Undisputed 01/23/2026 1110436056 CMS
Olympus Corporation of the Americas $258.52 12/16/2024 Travel and Lodging Undisputed 01/23/2026 1110436058 CMS
Olympus Medical Systems Corporation $153.75 04/02/2024 Consulting Fee Undisputed 01/23/2026 1099611985 CMS
Olympus Medical Systems Corporation $615.00 04/02/2024 Consulting Fee Undisputed 01/23/2026 1099611987 CMS
Wilson Cook Medical Incorporated $22,313.35 02/14/2024 Royalty or License Undisputed 01/23/2026 1118326472 CMS
Wilson Cook Medical Incorporated $2,400.00 04/15/2024 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 1118326651 CMS
Wilson Cook Medical Incorporated $1,500.00 04/15/2024 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 1118326655 CMS
Wilson Cook Medical Incorporated $2,400.00 04/15/2024 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 1118326659 CMS
Wilson Cook Medical Incorporated $2,100.00 04/15/2024 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 1118326663 CMS
Wilson Cook Medical Incorporated $2,700.00 04/15/2024 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 1118326667 CMS
Wilson Cook Medical Incorporated $3,000.00 04/15/2024 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 1118326670 CMS
Wilson Cook Medical Incorporated $1,500.00 04/15/2024 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 1118326674 CMS
Wilson Cook Medical Incorporated $51,033.09 07/30/2024 Royalty or License Undisputed 01/23/2026 1118326496 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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