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

NATHANIEL LIU

Allopathic & Osteopathic Physicians Surgery Vascular Surgery

NPI
1598955783
CMS profile
835615
Location
LOUISVILLE, KY

General Payments · PY2018–2024

$10,210.58

  • Reported across 189 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,251.24

26 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 $1,592.92 24
Travel and Lodging $658.32 2

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Silk Road Medical, Inc. $1,020.92 4
BOSTON SCIENTIFIC CORPORATION $560.45 15
Penumbra, Inc. $267.85 2
Medtronic, Inc. $228.98 4
W. L. Gore & Associates, Inc. $173.04 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,884.19 32
PY2019 $2,366.90 42
PY2020 $630.26 21
PY2021 $801.97 19
PY2022 $1,076.20 24
PY2023 $1,199.82 25
PY2024 $2,251.24 26

Payment records · PY2024 (26)

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 $23.30 01/09/2024 Food and Beverage Undisputed 01/23/2026 1092483379 CMS
Boston Scientific Corporation $12.81 01/17/2024 Food and Beverage Undisputed 01/23/2026 1092483363 CMS
Boston Scientific Corporation $46.53 02/16/2024 Food and Beverage Undisputed 01/23/2026 1092483383 CMS
Boston Scientific Corporation $11.34 03/05/2024 Food and Beverage Undisputed 01/23/2026 1092483349 CMS
Boston Scientific Corporation $118.62 03/05/2024 Food and Beverage Undisputed 01/23/2026 1092483389 CMS
Boston Scientific Corporation $21.54 03/23/2024 Food and Beverage Undisputed 01/23/2026 1092483377 CMS
Boston Scientific Corporation $17.22 03/27/2024 Food and Beverage Undisputed 01/23/2026 1092483367 CMS
Boston Scientific Corporation $29.50 05/07/2024 Food and Beverage Undisputed 01/23/2026 1092483381 CMS
Boston Scientific Corporation $18.84 06/13/2024 Food and Beverage Undisputed 01/23/2026 1092483369 CMS
Boston Scientific Corporation $75.97 07/11/2024 Food and Beverage Undisputed 01/23/2026 1092483385 CMS
Boston Scientific Corporation $16.54 07/17/2024 Food and Beverage Undisputed 01/23/2026 1092483365 CMS
Boston Scientific Corporation $20.60 08/07/2024 Food and Beverage Undisputed 01/23/2026 1092483373 CMS
Boston Scientific Corporation $20.74 09/11/2024 Food and Beverage Undisputed 01/23/2026 1092483375 CMS
Boston Scientific Corporation $106.83 10/08/2024 Food and Beverage Undisputed 01/23/2026 1092483387 CMS
Boston Scientific Corporation $20.07 11/12/2024 Food and Beverage Undisputed 01/23/2026 1092483371 CMS
Medtronic, Inc. $9.19 02/09/2024 Food and Beverage Undisputed 01/23/2026 1119395646 CMS
Medtronic, Inc. $22.04 09/19/2024 Food and Beverage Undisputed 01/23/2026 1119395652 CMS
Medtronic, Inc. $142.63 09/20/2024 Food and Beverage Undisputed 01/23/2026 1119395648 CMS
Medtronic, Inc. $55.12 10/02/2024 Food and Beverage Undisputed 01/23/2026 1119395650 CMS
Penumbra, Inc. $129.23 03/28/2024 Food and Beverage Undisputed 01/23/2026 1076216486 CMS
Penumbra, Inc. $138.62 09/13/2024 Food and Beverage Undisputed 01/23/2026 1076216488 CMS
Silk Road Medical, Inc. $346.95 09/05/2024 Travel and Lodging Undisputed 01/23/2026 1082261672 CMS
Silk Road Medical, Inc. $311.37 09/05/2024 Travel and Lodging Undisputed 01/23/2026 1082261674 CMS
Silk Road Medical, Inc. $160.00 09/05/2024 Food and Beverage Undisputed 01/23/2026 1082261676 CMS
Silk Road Medical, Inc. $202.60 09/05/2024 Food and Beverage Undisputed 01/23/2026 1082261678 CMS
W. L. Gore & Associates, Inc. $173.04 09/13/2024 Food and Beverage Undisputed 01/23/2026 1148118463 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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