Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

SAMUEL LO CHEN

Allopathic & Osteopathic Physicians Surgery Vascular Surgery

NPI
1164786521
CMS profile
1394099
Location
ORANGE, CA

General Payments · PY2019–2025

$41,804.84

  • Reported across 70 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$9,970.62

11 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $7,650.00 1
Travel and Lodging $1,673.27 2
Food and Beverage $647.35 8

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Medtronic, Inc. $9,646.64 8
W. L. Gore & Associates, Inc. $297.68 2
Cook Medical LLC $26.30 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $23,336.31 4
PY2020 $124.89 3
PY2021 $495.29 6
PY2022 $1,415.76 16
PY2023 $3,916.18 18
PY2024 $2,545.79 12
PY2025 $9,970.62 11

Payment records · PY2025 (11)

Sorted by paying entity, then date · as published by CMS

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Cook Medical LLC $26.30 02/20/2025 Food and Beverage Undisputed 06/30/2026 1208783419 CMS
Medtronic, Inc. $25.47 01/24/2025 Food and Beverage Undisputed 06/30/2026 1219948793 CMS
Medtronic, Inc. $605.36 01/25/2025 Travel and Lodging Undisputed 06/30/2026 1214697496 CMS
Medtronic, Inc. $1,067.91 01/25/2025 Travel and Lodging Undisputed 06/30/2026 1214697498 CMS
Medtronic, Inc. $68.53 01/25/2025 Food and Beverage Undisputed 06/30/2026 1219948795 CMS
Medtronic, Inc. $7,650.00 02/13/2025 Consulting Fee Undisputed 06/30/2026 1214697494 CMS
Medtronic, Inc. $32.54 03/12/2025 Food and Beverage Undisputed 06/30/2026 1219948797 CMS
Medtronic, Inc. $76.39 04/05/2025 Food and Beverage Undisputed 06/30/2026 1219948799 CMS
Medtronic, Inc. $120.44 05/28/2025 Food and Beverage Undisputed 06/30/2026 1219948801 CMS
W. L. Gore & Associates, Inc. $145.36 09/20/2025 Food and Beverage Undisputed 06/30/2026 1220942623 CMS
W. L. Gore & Associates, Inc. $152.32 09/28/2025 Food and Beverage Undisputed 06/30/2026 1220942641 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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