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

DOUGLAS Z LIOU

Allopathic & Osteopathic Physicians Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI
1891052080
CMS profile
1129120
Location
PALO ALTO, CA

General Payments · PY2018–2024

$30,286.09

  • Reported across 215 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$756.74

15 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 $756.74 15

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Medtronic, Inc. $714.19 13
Ethicon US, LLC $24.91 1
INTUITIVE SURGICAL, INC. $17.64 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,290.54 21
PY2019 $7,924.83 48
PY2020 $1,802.71 27
PY2021 $1,720.74 32
PY2022 $1,598.61 21
PY2023 $14,191.92 51
PY2024 $756.74 15

Payment records · PY2024 (15)

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
Ethicon US, LLC $24.91 05/15/2024 Food and Beverage Undisputed 01/23/2026 1077625068 CMS
INTUITIVE SURGICAL, INC. $17.64 11/26/2024 Food and Beverage Undisputed 01/23/2026 1137141327 CMS
Medtronic, Inc. $125.90 01/25/2024 Food and Beverage Undisputed 01/23/2026 1119533887 CMS
Medtronic, Inc. $52.78 03/04/2024 Food and Beverage Undisputed 01/23/2026 1119533889 CMS
Medtronic, Inc. $15.04 03/05/2024 Food and Beverage Undisputed 01/23/2026 1119533891 CMS
Medtronic, Inc. $66.41 03/19/2024 Food and Beverage Undisputed 01/23/2026 1119533893 CMS
Medtronic, Inc. $75.43 05/14/2024 Food and Beverage Undisputed 01/23/2026 1119533895 CMS
Medtronic, Inc. $25.19 05/20/2024 Food and Beverage Undisputed 01/23/2026 1119533903 CMS
Medtronic, Inc. $51.91 06/03/2024 Food and Beverage Undisputed 01/23/2026 1119533897 CMS
Medtronic, Inc. $37.06 06/13/2024 Food and Beverage Undisputed 01/23/2026 1119533899 CMS
Medtronic, Inc. $6.62 06/13/2024 Food and Beverage Undisputed 01/23/2026 1119533901 CMS
Medtronic, Inc. $71.93 07/30/2024 Food and Beverage Undisputed 01/23/2026 1119533905 CMS
Medtronic, Inc. $56.68 09/16/2024 Food and Beverage Undisputed 01/23/2026 1119533907 CMS
Medtronic, Inc. $42.51 11/04/2024 Food and Beverage Undisputed 01/23/2026 1119533909 CMS
Medtronic, Inc. $86.73 12/13/2024 Food and Beverage Undisputed 01/23/2026 1119533911 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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Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.