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

SIMON W YAU

Allopathic & Osteopathic Physicians Internal Medicine Pulmonary Disease

NPI
1932494374
CMS profile
1158879
Location
HOUSTON, TX

General Payments · PY2018–2024

$29,850.85

  • Reported across 305 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$7,407.45

105 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 program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $874.28 35
PY2019 $3,181.11 42
PY2020 $398.16 12
PY2021 $130.55 7
PY2022 $11,964.24 38
PY2023 $5,895.06 66
PY2024 $7,407.45 105

Payment records · PY2024 (105)

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
ABBVIE INC. $13.18 01/31/2024 Food and Beverage Undisputed 01/23/2026 1106373232 CMS
ABBVIE INC. $14.60 03/25/2024 Food and Beverage Undisputed 01/23/2026 1106373234 CMS
ABBVIE INC. $18.27 06/03/2024 Food and Beverage Undisputed 01/23/2026 1106373236 CMS
ABBVIE INC. $16.73 08/15/2024 Food and Beverage Undisputed 01/23/2026 1106373238 CMS
ABBVIE INC. $17.72 10/18/2024 Food and Beverage Undisputed 01/23/2026 1106373240 CMS
ABBVIE INC. $16.73 11/15/2024 Food and Beverage Undisputed 01/23/2026 1106373242 CMS
ABBVIE INC. $20.88 12/06/2024 Food and Beverage Undisputed 01/23/2026 1106373244 CMS
Actelion Pharmaceuticals US, Inc. $28.25 02/15/2024 Food and Beverage Undisputed 01/23/2026 1078916679 CMS
Actelion Pharmaceuticals US, Inc. $2.29 02/16/2024 Food and Beverage Undisputed 01/23/2026 1078917191 CMS
Actelion Pharmaceuticals US, Inc. $32.92 03/29/2024 Food and Beverage Undisputed 01/23/2026 1078917173 CMS
Actelion Pharmaceuticals US, Inc. $34.45 04/17/2024 Food and Beverage Undisputed 01/23/2026 1078916937 CMS
Actelion Pharmaceuticals US, Inc. $34.73 05/03/2024 Food and Beverage Undisputed 01/23/2026 1078917243 CMS
Actelion Pharmaceuticals US, Inc. $31.95 05/30/2024 Food and Beverage Undisputed 01/23/2026 1078916925 CMS
Actelion Pharmaceuticals US, Inc. $30.80 09/12/2024 Food and Beverage Undisputed 01/23/2026 1078917161 CMS
Actelion Pharmaceuticals US, Inc. $33.90 10/25/2024 Food and Beverage Undisputed 01/23/2026 1078917899 CMS
Actelion Pharmaceuticals US, Inc. $21.92 12/12/2024 Food and Beverage Undisputed 01/23/2026 1078916553 CMS
Alcresta Therapeutics, Inc. $20.63 12/05/2024 Food and Beverage Undisputed 01/23/2026 1123428715 CMS
ANI Pharmaceuticals, Inc. $21.09 09/03/2024 Food and Beverage Undisputed 01/23/2026 1091171742 CMS
ANI Pharmaceuticals, Inc. $31.32 11/16/2024 Food and Beverage Undisputed 01/23/2026 1091131727 CMS
ANI Pharmaceuticals, Inc. $24.99 12/05/2024 Food and Beverage Undisputed 01/23/2026 1091169016 CMS
ANI Pharmaceuticals, Inc. $20.44 12/19/2024 Food and Beverage Undisputed 01/23/2026 1091156068 CMS
Astellas Pharma US Inc $32.60 03/07/2024 Food and Beverage Undisputed 01/23/2026 1139296790 CMS
Astellas Pharma US Inc $124.98 03/28/2024 Food and Beverage Undisputed 01/23/2026 1139376684 CMS
Astellas Pharma US Inc $19.38 03/28/2024 Travel and Lodging Undisputed 01/23/2026 1139384776 CMS
Astellas Pharma US Inc $2,180.00 03/28/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1139386038 CMS
Astellas Pharma US Inc $30.89 06/03/2024 Food and Beverage Undisputed 01/23/2026 1139364709 CMS
Astellas Pharma US Inc $31.77 08/19/2024 Food and Beverage Undisputed 01/23/2026 1139383362 CMS
Astellas Pharma US Inc $124.98 09/26/2024 Food and Beverage Undisputed 01/23/2026 1139418669 CMS
Astellas Pharma US Inc $19.38 09/26/2024 Travel and Lodging Undisputed 01/23/2026 1139418859 CMS
Astellas Pharma US Inc $2,430.00 09/26/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1139418899 CMS
AstraZeneca Pharmaceuticals LP $13.30 06/04/2024 Food and Beverage Undisputed 01/23/2026 1105588312 CMS
Baxter Healthcare $25.24 04/23/2024 Food and Beverage Undisputed 01/23/2026 1120664622 CMS
Baxter Healthcare $26.12 05/31/2024 Food and Beverage Undisputed 01/23/2026 1120664620 CMS
Baxter Healthcare $26.84 06/20/2024 Food and Beverage Undisputed 01/23/2026 1120664618 CMS
Baxter Healthcare $4.55 07/23/2024 Food and Beverage Undisputed 01/23/2026 1120664616 CMS
Baxter Healthcare $29.39 07/30/2024 Food and Beverage Undisputed 01/23/2026 1120664614 CMS
Baxter Healthcare $27.87 08/29/2024 Food and Beverage Undisputed 01/23/2026 1120664612 CMS
Baxter Healthcare $17.00 11/06/2024 Food and Beverage Undisputed 01/23/2026 1120664626 CMS
Baxter Healthcare $7.24 11/20/2024 Food and Beverage Undisputed 01/23/2026 1120664624 CMS
Bayer Healthcare Pharmaceuticals Inc. $12.32 04/11/2024 Food and Beverage Undisputed 01/23/2026 1086096819 CMS
Bayer Healthcare Pharmaceuticals Inc. $200.00 09/23/2024 Consulting Fee Undisputed 01/23/2026 1086238816 CMS
Becton, Dickinson and Company $52.20 11/15/2024 Food and Beverage Undisputed 01/23/2026 1127621907 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $27.50 01/12/2024 Food and Beverage Undisputed 01/23/2026 1118241338 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $27.50 02/12/2024 Food and Beverage Undisputed 01/23/2026 1118241340 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $32.00 05/13/2024 Food and Beverage Undisputed 01/23/2026 1118241344 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $28.58 08/12/2024 Food and Beverage Undisputed 01/23/2026 1118241342 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $22.80 09/09/2024 Food and Beverage Undisputed 01/23/2026 1118241336 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $33.83 11/20/2024 Food and Beverage Undisputed 01/23/2026 1118241346 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $33.83 12/20/2024 Food and Beverage Undisputed 01/23/2026 1118241348 CMS
GlaxoSmithKline, LLC. $25.82 02/09/2024 Food and Beverage Undisputed 01/23/2026 1115760102 CMS
Grifols USA, LLC $25.58 04/22/2024 Food and Beverage Undisputed 01/23/2026 1124725238 CMS
Grifols USA, LLC $20.71 05/28/2024 Food and Beverage Undisputed 01/23/2026 1124725236 CMS
INOGEN, INC. $24.25 08/27/2024 Food and Beverage Undisputed 01/23/2026 1144989769 CMS
Insmed, Inc. $25.18 01/25/2024 Food and Beverage Undisputed 01/23/2026 1089578660 CMS
Insmed, Inc. $27.35 02/14/2024 Food and Beverage Undisputed 01/23/2026 1089577726 CMS
Insmed, Inc. $23.67 02/20/2024 Food and Beverage Undisputed 01/23/2026 1089577728 CMS
Insmed, Inc. $24.55 03/12/2024 Food and Beverage Undisputed 01/23/2026 1089578126 CMS
Insmed, Inc. $6.36 03/27/2024 Food and Beverage Undisputed 01/23/2026 1089576322 CMS
Insmed, Inc. $27.51 04/18/2024 Food and Beverage Undisputed 01/23/2026 1089574090 CMS
Insmed, Inc. $24.74 05/03/2024 Food and Beverage Undisputed 01/23/2026 1089564570 CMS
Insmed, Inc. $29.76 08/29/2024 Food and Beverage Undisputed 01/23/2026 1089567847 CMS
Insmed, Inc. $26.58 10/01/2024 Food and Beverage Undisputed 01/23/2026 1089566889 CMS
Insmed, Inc. $12.50 10/25/2024 Food and Beverage Undisputed 01/23/2026 1089561768 CMS
Insmed, Inc. $27.66 12/09/2024 Food and Beverage Undisputed 01/23/2026 1089559376 CMS
JAZZ PHARMACEUTICALS INC. $18.74 09/26/2024 Food and Beverage Undisputed 01/23/2026 1150238788 CMS
Mallinckrodt Hospital Products Inc. $22.23 10/08/2024 Food and Beverage Undisputed 01/23/2026 1145154819 CMS
Merck Sharp & Dohme LLC $23.56 04/25/2024 Food and Beverage Undisputed 01/23/2026 1141594602 CMS
Merck Sharp & Dohme LLC $15.33 08/29/2024 Food and Beverage Undisputed 01/23/2026 1141835646 CMS
Mylan Specialty L.P. $29.63 05/07/2024 Food and Beverage Undisputed 01/23/2026 1147304884 CMS
Mylan Specialty L.P. $30.65 08/19/2024 Food and Beverage Undisputed 01/23/2026 1147299014 CMS
Mylan Specialty L.P. $28.33 10/03/2024 Food and Beverage Undisputed 01/23/2026 1147356578 CMS
Mylan Specialty L.P. $33.02 11/07/2024 Food and Beverage Undisputed 01/23/2026 1147357171 CMS
PFIZER INC. $14.39 09/12/2024 Food and Beverage Undisputed 01/23/2026 1131963620 CMS
PFIZER INC. $18.62 10/29/2024 Food and Beverage Undisputed 01/23/2026 1132078193 CMS
Pharming Healthcare, Inc. $18.39 02/01/2024 Food and Beverage Undisputed 01/23/2026 1132172456 CMS
Pulmonx Corporation $25.46 12/04/2024 Food and Beverage Undisputed 01/23/2026 1087851984 CMS
Regeneron Healthcare Solutions, Inc. $33.80 01/04/2024 Food and Beverage Undisputed 01/23/2026 1114258716 CMS
Regeneron Healthcare Solutions, Inc. $33.62 02/07/2024 Food and Beverage Undisputed 01/23/2026 1114258718 CMS
Regeneron Healthcare Solutions, Inc. $34.33 09/19/2024 Food and Beverage Undisputed 01/23/2026 1114258720 CMS
Regeneron Healthcare Solutions, Inc. $30.13 11/05/2024 Food and Beverage Undisputed 01/23/2026 1114258722 CMS
SANOFI-AVENTIS U.S. LLC $41.67 11/18/2024 Food and Beverage Undisputed 01/23/2026 1139920516 CMS
Shionogi Inc $28.78 01/29/2024 Food and Beverage Undisputed 01/23/2026 1154340744 CMS
Shionogi Inc $25.47 04/08/2024 Food and Beverage Undisputed 01/23/2026 1154340778 CMS
Shionogi Inc $26.21 05/06/2024 Food and Beverage Undisputed 01/23/2026 1154340786 CMS
Shionogi Inc $29.43 06/11/2024 Food and Beverage Undisputed 01/23/2026 1154340796 CMS
Shionogi Inc $19.92 07/18/2024 Food and Beverage Undisputed 01/23/2026 1154340808 CMS
Shionogi Inc $25.49 08/12/2024 Food and Beverage Undisputed 01/23/2026 1154340814 CMS
Tactile Systems Technology Inc $13.93 12/04/2024 Food and Beverage Undisputed 01/23/2026 1082374023 CMS
Takeda Pharmaceuticals U.S.A., Inc. $3.36 05/30/2024 Food and Beverage Undisputed 01/23/2026 1137700800 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.34 06/19/2024 Food and Beverage Undisputed 01/23/2026 1137700802 CMS
Takeda Pharmaceuticals U.S.A., Inc. $13.53 07/23/2024 Food and Beverage Undisputed 01/23/2026 1137700804 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.73 08/06/2024 Food and Beverage Undisputed 01/23/2026 1137700806 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.60 09/10/2024 Food and Beverage Undisputed 01/23/2026 1137700808 CMS
Takeda Pharmaceuticals U.S.A., Inc. $23.88 09/12/2024 Food and Beverage Undisputed 01/23/2026 1137700810 CMS
Takeda Pharmaceuticals U.S.A., Inc. $31.77 11/19/2024 Food and Beverage Undisputed 01/23/2026 1137700812 CMS
United Therapeutics Corporation $22.67 01/08/2024 Food and Beverage Undisputed 01/23/2026 1149446502 CMS
United Therapeutics Corporation $11.66 05/02/2024 Food and Beverage Undisputed 01/23/2026 1149446768 CMS
United Therapeutics Corporation $30.93 06/06/2024 Food and Beverage Undisputed 01/23/2026 1149446896 CMS
United Therapeutics Corporation $16.84 06/25/2024 Food and Beverage Undisputed 01/23/2026 1149446890 CMS
United Therapeutics Corporation $32.77 08/07/2024 Food and Beverage Undisputed 01/23/2026 1149455462 CMS
United Therapeutics Corporation $27.83 09/16/2024 Food and Beverage Undisputed 01/23/2026 1149457410 CMS
United Therapeutics Corporation $9.10 10/17/2024 Food and Beverage Undisputed 01/23/2026 1149447090 CMS
United Therapeutics Corporation $9.61 10/21/2024 Food and Beverage Undisputed 01/23/2026 1149446442 CMS
United Therapeutics Corporation $2.81 10/21/2024 Food and Beverage Undisputed 01/23/2026 1149447042 CMS
United Therapeutics Corporation $6.79 11/25/2024 Food and Beverage Undisputed 01/23/2026 1149447166 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

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.