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

KWAN-SIAN CHEN

Allopathic & Osteopathic Physicians Internal Medicine Interventional Cardiology

NPI
1619928025
CMS profile
208888
Location
FREMONT, CA

General Payments · PY2018–2024

$17,930.87

  • Reported across 704 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,324.15

76 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 $2,191.89 74
Education $132.26 2

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $3,285.68 165
PY2019 $2,251.83 124
PY2020 $1,742.89 81
PY2021 $1,971.50 87
PY2022 $4,050.50 95
PY2023 $2,304.32 76
PY2024 $2,324.15 76

Payment records · PY2024 (76)

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
Abbott Laboratories $24.22 05/27/2024 Food and Beverage Undisputed 01/23/2026 1125156227 CMS
ABIOMED $124.99 05/01/2024 Food and Beverage Undisputed 01/23/2026 1142206636 CMS
Actelion Pharmaceuticals US, Inc. $27.24 01/17/2024 Food and Beverage Undisputed 01/23/2026 1078868044 CMS
Actelion Pharmaceuticals US, Inc. $24.26 03/21/2024 Food and Beverage Undisputed 01/23/2026 1078868048 CMS
Actelion Pharmaceuticals US, Inc. $26.73 05/15/2024 Food and Beverage Undisputed 01/23/2026 1078868036 CMS
Actelion Pharmaceuticals US, Inc. $99.99 06/03/2024 Education Undisputed 01/23/2026 1078868058 CMS
Actelion Pharmaceuticals US, Inc. $28.41 06/28/2024 Food and Beverage Undisputed 01/23/2026 1078868046 CMS
Actelion Pharmaceuticals US, Inc. $30.01 08/21/2024 Food and Beverage Undisputed 01/23/2026 1078868050 CMS
Actelion Pharmaceuticals US, Inc. $29.12 10/22/2024 Food and Beverage Undisputed 01/23/2026 1078868056 CMS
Amgen Inc. $24.07 01/05/2024 Food and Beverage Undisputed 01/23/2026 1111547920 CMS
Amgen Inc. $24.93 03/01/2024 Food and Beverage Undisputed 01/23/2026 1111547922 CMS
Amgen Inc. $25.43 04/19/2024 Food and Beverage Undisputed 01/23/2026 1111547924 CMS
Amgen Inc. $25.54 06/14/2024 Food and Beverage Undisputed 01/23/2026 1111547926 CMS
Amgen Inc. $27.84 07/12/2024 Food and Beverage Undisputed 01/23/2026 1111547928 CMS
Amgen Inc. $22.05 09/20/2024 Food and Beverage Undisputed 01/23/2026 1111547930 CMS
AstraZeneca Pharmaceuticals LP $19.63 01/13/2024 Food and Beverage Undisputed 01/23/2026 1104492356 CMS
AstraZeneca Pharmaceuticals LP $17.91 02/14/2024 Food and Beverage Undisputed 01/23/2026 1105718810 CMS
AstraZeneca Pharmaceuticals LP $23.30 03/14/2024 Food and Beverage Undisputed 01/23/2026 1104370131 CMS
AstraZeneca Pharmaceuticals LP $27.64 04/12/2024 Food and Beverage Undisputed 01/23/2026 1105685663 CMS
AstraZeneca Pharmaceuticals LP $24.13 04/18/2024 Food and Beverage Undisputed 01/23/2026 1105554396 CMS
AstraZeneca Pharmaceuticals LP $20.65 05/11/2024 Food and Beverage Undisputed 01/23/2026 1104520630 CMS
AstraZeneca Pharmaceuticals LP $22.13 07/11/2024 Food and Beverage Undisputed 01/23/2026 1104597664 CMS
AstraZeneca Pharmaceuticals LP $25.27 08/03/2024 Food and Beverage Undisputed 01/23/2026 1105555186 CMS
AstraZeneca Pharmaceuticals LP $24.27 09/26/2024 Food and Beverage Undisputed 01/23/2026 1105703836 CMS
AstraZeneca Pharmaceuticals LP $21.87 10/19/2024 Food and Beverage Undisputed 01/23/2026 1105856382 CMS
AstraZeneca Pharmaceuticals LP $24.26 11/23/2024 Food and Beverage Undisputed 01/23/2026 1105499830 CMS
AstraZeneca Pharmaceuticals LP $26.85 12/12/2024 Food and Beverage Undisputed 01/23/2026 1104293498 CMS
ATRICURE, INC. $157.04 11/06/2024 Food and Beverage Undisputed 01/23/2026 1132893337 CMS
Baxter Healthcare $23.13 04/05/2024 Food and Beverage Undisputed 01/23/2026 1118295532 CMS
Bayer Healthcare Pharmaceuticals Inc. $24.66 03/23/2024 Food and Beverage Undisputed 01/23/2026 1086128640 CMS
Bayer Healthcare Pharmaceuticals Inc. $27.13 05/04/2024 Food and Beverage Undisputed 01/23/2026 1086110726 CMS
Bayer Healthcare Pharmaceuticals Inc. $26.52 07/18/2024 Food and Beverage Undisputed 01/23/2026 1086238742 CMS
Bayer Healthcare Pharmaceuticals Inc. $30.40 11/08/2024 Food and Beverage Undisputed 01/23/2026 1086234988 CMS
BIOTRONIK INC. $21.78 05/01/2024 Food and Beverage Undisputed 01/23/2026 1145800364 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $30.25 02/09/2024 Food and Beverage Undisputed 01/23/2026 1118083118 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $34.45 05/17/2024 Food and Beverage Undisputed 01/23/2026 1118083124 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $31.12 07/31/2024 Food and Beverage Undisputed 01/23/2026 1118083120 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $32.72 12/04/2024 Food and Beverage Undisputed 01/23/2026 1118083122 CMS
Boston Scientific Corporation $116.65 02/14/2024 Food and Beverage Undisputed 01/23/2026 1069134616 CMS
Edwards Lifesciences Corporation $84.43 09/26/2024 Food and Beverage Undisputed 01/23/2026 1138863539 CMS
Esperion Therapeutics, Inc. $24.68 09/27/2024 Food and Beverage Undisputed 01/23/2026 1129430882 CMS
Janssen Pharmaceuticals, Inc $21.49 02/01/2024 Food and Beverage Undisputed 01/23/2026 1077924217 CMS
Janssen Pharmaceuticals, Inc $27.66 03/07/2024 Food and Beverage Undisputed 01/23/2026 1077924237 CMS
Janssen Pharmaceuticals, Inc $25.11 05/25/2024 Food and Beverage Undisputed 01/23/2026 1077924211 CMS
Janssen Pharmaceuticals, Inc $31.06 09/18/2024 Food and Beverage Undisputed 01/23/2026 1077924131 CMS
Kestra Medical Technology Services, Inc. $15.09 02/23/2024 Food and Beverage Undisputed 01/23/2026 1152384214 CMS
Kiniksa Pharmaceuticals International, plc $15.17 03/29/2024 Food and Beverage Undisputed 01/23/2026 1154885552 CMS
Kiniksa Pharmaceuticals International, plc $32.91 05/31/2024 Food and Beverage Undisputed 01/23/2026 1154885602 CMS
Kiniksa Pharmaceuticals International, plc $32.62 07/26/2024 Food and Beverage Undisputed 01/23/2026 1154885636 CMS
Kiniksa Pharmaceuticals International, plc $26.66 09/13/2024 Food and Beverage Undisputed 01/23/2026 1154885652 CMS
Kiniksa Pharmaceuticals International, plc $19.95 11/15/2024 Food and Beverage Undisputed 01/23/2026 1154885682 CMS
Kiniksa Pharmaceuticals International, plc $4.17 11/16/2024 Food and Beverage Undisputed 01/23/2026 1154885684 CMS
Novartis Pharmaceuticals Corporation $32.83 01/10/2024 Food and Beverage Undisputed 01/23/2026 1086733525 CMS
Novartis Pharmaceuticals Corporation $32.31 03/27/2024 Food and Beverage Undisputed 01/23/2026 1086733531 CMS
Novartis Pharmaceuticals Corporation $27.87 05/29/2024 Food and Beverage Undisputed 01/23/2026 1086733537 CMS
Novartis Pharmaceuticals Corporation $27.99 08/14/2024 Food and Beverage Undisputed 01/23/2026 1086733539 CMS
Novartis Pharmaceuticals Corporation $26.37 11/13/2024 Food and Beverage Undisputed 01/23/2026 1086733547 CMS
Novo Nordisk Inc $18.36 02/08/2024 Food and Beverage Undisputed 01/23/2026 1096682969 CMS
Novo Nordisk Inc $32.27 02/16/2024 Education Undisputed 01/23/2026 1097421560 CMS
Novo Nordisk Inc $1.43 04/10/2024 Food and Beverage Undisputed 01/23/2026 1096726480 CMS
Novo Nordisk Inc $23.28 04/10/2024 Food and Beverage Undisputed 01/23/2026 1097666328 CMS
Novo Nordisk Inc $19.53 04/27/2024 Food and Beverage Undisputed 01/23/2026 1097131381 CMS
Novo Nordisk Inc $17.18 05/23/2024 Food and Beverage Undisputed 01/23/2026 1096973621 CMS
Novo Nordisk Inc $18.23 06/06/2024 Food and Beverage Undisputed 01/23/2026 1097562548 CMS
Novo Nordisk Inc $22.60 06/22/2024 Food and Beverage Undisputed 01/23/2026 1097678526 CMS
Novo Nordisk Inc $13.95 07/25/2024 Food and Beverage Undisputed 01/23/2026 1097442599 CMS
Novo Nordisk Inc $12.79 08/09/2024 Food and Beverage Undisputed 01/23/2026 1097423072 CMS
Novo Nordisk Inc $24.55 10/11/2024 Food and Beverage Undisputed 01/23/2026 1096944124 CMS
Novo Nordisk Inc $15.59 10/16/2024 Food and Beverage Undisputed 01/23/2026 1097145801 CMS
PFIZER INC. $26.73 09/06/2024 Food and Beverage Undisputed 01/23/2026 1131965685 CMS
PFIZER INC. $25.63 10/25/2024 Food and Beverage Undisputed 01/23/2026 1132091538 CMS
United Therapeutics Corporation $27.05 01/24/2024 Food and Beverage Undisputed 01/23/2026 1149457686 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $25.67 02/21/2024 Food and Beverage Undisputed 01/23/2026 1080646635 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $27.18 07/19/2024 Food and Beverage Undisputed 01/23/2026 1080646637 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $25.44 09/11/2024 Food and Beverage Undisputed 01/23/2026 1080646639 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $39.73 11/27/2024 Food and Beverage Undisputed 01/23/2026 1080646641 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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