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

DENG-YUAN DEAN LIOU

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1932668084
CMS profile
7226371
Location
SAN DIEGO, CA

General Payments · PY2019–2024

$14,302.59

  • Reported across 40 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,778.25

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

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Travel and Lodging $1,279.31 4
Food and Beverage $413.94 6
Education $85.00 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Abbott Laboratories $1,604.96 8
BOSTON SCIENTIFIC CORPORATION $88.29 2
Merz Pharmaceuticals, LLC $85.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $48.90 3
PY2021 $132.24 8
PY2022 $299.21 14
PY2023 $12,043.99 4
PY2024 $1,778.25 11

Payment records · PY2024 (11)

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

Program year 2024 2019202120222023 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 $194.95 03/07/2024 Travel and Lodging Undisputed 01/23/2026 1125443640 CMS
Abbott Laboratories $66.25 03/23/2024 Food and Beverage Undisputed 01/23/2026 1125347001 CMS
Abbott Laboratories $351.92 03/26/2024 Travel and Lodging Undisputed 01/23/2026 1125443642 CMS
Abbott Laboratories $75.36 04/09/2024 Food and Beverage Undisputed 01/23/2026 1125346995 CMS
Abbott Laboratories $175.33 04/09/2024 Food and Beverage Undisputed 01/23/2026 1125346997 CMS
Abbott Laboratories $723.42 04/22/2024 Travel and Lodging Undisputed 01/23/2026 1125443638 CMS
Abbott Laboratories $9.02 04/22/2024 Travel and Lodging Undisputed 01/23/2026 1125443644 CMS
Abbott Laboratories $8.71 05/16/2024 Food and Beverage Undisputed 01/23/2026 1125346999 CMS
Boston Scientific Corporation $27.30 02/29/2024 Food and Beverage Undisputed 01/23/2026 1092712142 CMS
Boston Scientific Corporation $60.99 06/07/2024 Food and Beverage Undisputed 01/23/2026 1092712144 CMS
Merz Pharmaceuticals, LLC $85.00 02/26/2024 Education Undisputed 01/23/2026 1137948516 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
2019, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2019 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

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.