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

RICHARD S CHANG

Allopathic & Osteopathic Physicians Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI
1942240619
CMS profile
269635
Location
ALLENTOWN, PA

General Payments · PY2018–2024

$23,621.09

  • Reported across 85 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$4,111.73

20 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
Food and Beverage $2,155.85 12
Travel and Lodging $1,932.15 6
Gift $23.73 2

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
INTUITIVE SURGICAL, INC. $3,287.00 13
ATRICURE, INC. $483.50 3
Kerecis Limited $253.43 2
Edwards Lifesciences Corporation $50.25 1
ABIOMED $37.55 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $14,611.56 28
PY2019 $2,346.60 14
PY2020 $262.00 2
PY2021 $428.07 6
PY2022 $478.92 6
PY2023 $1,382.21 9
PY2024 $4,111.73 20

Payment records · PY2024 (20)

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
ABIOMED $37.55 12/11/2024 Food and Beverage Undisputed 01/23/2026 1142226725 CMS
ATRICURE, INC. $221.20 02/06/2024 Food and Beverage Undisputed 01/23/2026 1132873146 CMS
ATRICURE, INC. $179.40 02/27/2024 Food and Beverage Undisputed 01/23/2026 1132863532 CMS
ATRICURE, INC. $82.90 10/28/2024 Food and Beverage Undisputed 01/23/2026 1132890324 CMS
Edwards Lifesciences Corporation $50.25 11/12/2024 Food and Beverage Undisputed 01/23/2026 1138895365 CMS
INTUITIVE SURGICAL, INC. $1,264.19 03/09/2024 Travel and Lodging Undisputed 01/23/2026 1137075760 CMS
INTUITIVE SURGICAL, INC. $19.00 03/09/2024 Travel and Lodging Undisputed 01/23/2026 1137182400 CMS
INTUITIVE SURGICAL, INC. $344.29 04/09/2024 Food and Beverage Undisputed 01/23/2026 1137256447 CMS
INTUITIVE SURGICAL, INC. $8.74 04/09/2024 Gift Undisputed 01/23/2026 1137294159 CMS
INTUITIVE SURGICAL, INC. $122.12 05/21/2024 Food and Beverage Undisputed 01/23/2026 1137211471 CMS
INTUITIVE SURGICAL, INC. $37.00 08/16/2024 Travel and Lodging Undisputed 01/23/2026 1137094489 CMS
INTUITIVE SURGICAL, INC. $471.96 08/16/2024 Travel and Lodging Undisputed 01/23/2026 1137135344 CMS
INTUITIVE SURGICAL, INC. $14.99 09/14/2024 Gift Undisputed 01/23/2026 1137070341 CMS
INTUITIVE SURGICAL, INC. $660.34 09/14/2024 Food and Beverage Undisputed 01/23/2026 1137084103 CMS
INTUITIVE SURGICAL, INC. $37.00 09/14/2024 Travel and Lodging Undisputed 01/23/2026 1137127561 CMS
INTUITIVE SURGICAL, INC. $103.00 09/14/2024 Travel and Lodging Undisputed 01/23/2026 1137178142 CMS
INTUITIVE SURGICAL, INC. $72.49 10/08/2024 Food and Beverage Undisputed 01/23/2026 1137187613 CMS
INTUITIVE SURGICAL, INC. $131.88 10/15/2024 Food and Beverage Undisputed 01/23/2026 1137163566 CMS
Kerecis Limited $143.62 03/27/2024 Food and Beverage Undisputed 01/23/2026 1120098340 CMS
Kerecis Limited $109.81 12/09/2024 Food and Beverage Undisputed 01/23/2026 1120102069 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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