IndustryPayments
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

WILLIAM TOAN NGUYEN

Allopathic & Osteopathic Physicians Allergy & Immunology

NPI
1861445017
CMS profile
129903
Location
REDMOND, WA

General Payments · PY2018–2024

$23,139.63

  • Reported across 382 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$13,474.87

89 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.

Related groups: Allergy & Immunology WA All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $10,850.00 5
Food and Beverage $2,370.54 79
Travel and Lodging $141.85 2
Education $58.88 1
Consulting Fee $53.60 2

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $11,990.25 30
Regeneron Healthcare Solutions, Inc. $349.01 13
GENZYME CORPORATION $287.33 13
Takeda Pharmaceuticals U.S.A., Inc. $173.07 7
BioCryst US Sales Co., LLC $112.19 4
PFIZER INC. $96.33 3
Amgen Inc. $59.70 2
ADMA BioManufacturing LLC $53.60 2
Pharming Healthcare, Inc. $50.51 2
GlaxoSmithKline, LLC. $49.84 2
Kaleo, Inc. $46.02 2
Grifols USA, LLC $42.35 2
NOVARTIS PHARMACEUTICALS CORPORATION $39.54 2
CSL Behring $35.08 1
TerSera Therapeutics LLC $31.93 1
Octapharma USA, Inc. $22.55 1
Phathom Pharmaceuticals, Inc. $19.34 1
ALK-Abello, Inc $16.23 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $356.85 19
PY2019 $634.31 30
PY2020 $927.49 52
PY2021 $1,302.22 77
PY2022 $1,160.58 50
PY2023 $5,283.31 65
PY2024 $13,474.87 89

Payment records · PY2024 (89)

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
ADMA BioManufacturing LLC $33.72 09/24/2024 Consulting Fee Undisputed 01/23/2026 1149639722 CMS
ADMA BioManufacturing LLC $19.88 12/19/2024 Consulting Fee Undisputed 01/23/2026 1149638682 CMS
ALK-Abello, Inc $16.23 01/17/2024 Food and Beverage Undisputed 01/23/2026 1099893715 CMS
Amgen Inc. $32.64 02/21/2024 Food and Beverage Undisputed 01/23/2026 1115970507 CMS
Amgen Inc. $27.06 05/15/2024 Food and Beverage Undisputed 01/23/2026 1115970515 CMS
AstraZeneca Pharmaceuticals LP $35.51 01/17/2024 Travel and Lodging Undisputed 01/23/2026 1104728915 CMS
AstraZeneca Pharmaceuticals LP $81.43 01/17/2024 Food and Beverage Undisputed 01/23/2026 1105843005 CMS
AstraZeneca Pharmaceuticals LP $19.99 01/18/2024 Food and Beverage Undisputed 01/23/2026 1104526530 CMS
AstraZeneca Pharmaceuticals LP $2,550.00 01/26/2024 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 1104730385 CMS
AstraZeneca Pharmaceuticals LP $181.23 02/01/2024 Food and Beverage Undisputed 01/23/2026 1104633167 CMS
AstraZeneca Pharmaceuticals LP $33.67 02/13/2024 Food and Beverage Undisputed 01/23/2026 1104674399 CMS
AstraZeneca Pharmaceuticals LP $106.34 02/13/2024 Travel and Lodging Undisputed 01/23/2026 1105664358 CMS
AstraZeneca Pharmaceuticals LP $250.00 02/15/2024 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 1104741009 CMS
AstraZeneca Pharmaceuticals LP $15.96 02/29/2024 Food and Beverage Undisputed 01/23/2026 1104232303 CMS
AstraZeneca Pharmaceuticals LP $24.60 03/30/2024 Food and Beverage Undisputed 01/23/2026 1105532162 CMS
AstraZeneca Pharmaceuticals LP $2,950.00 04/17/2024 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 1105245778 CMS
AstraZeneca Pharmaceuticals LP $23.34 04/23/2024 Food and Beverage Undisputed 01/23/2026 1104745401 CMS
AstraZeneca Pharmaceuticals LP $20.55 05/22/2024 Food and Beverage Undisputed 01/23/2026 1105646824 CMS
AstraZeneca Pharmaceuticals LP $27.23 06/03/2024 Food and Beverage Undisputed 01/23/2026 1104640567 CMS
AstraZeneca Pharmaceuticals LP $18.80 06/10/2024 Food and Beverage Undisputed 01/23/2026 1105700570 CMS
AstraZeneca Pharmaceuticals LP $23.97 07/09/2024 Food and Beverage Undisputed 01/23/2026 1104251113 CMS
AstraZeneca Pharmaceuticals LP $17.24 07/10/2024 Food and Beverage Undisputed 01/23/2026 1104476778 CMS
AstraZeneca Pharmaceuticals LP $58.19 07/10/2024 Food and Beverage Undisputed 01/23/2026 1105489603 CMS
AstraZeneca Pharmaceuticals LP $2,550.00 07/16/2024 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 1105689117 CMS
AstraZeneca Pharmaceuticals LP $15.75 07/22/2024 Food and Beverage Undisputed 01/23/2026 1105745330 CMS
AstraZeneca Pharmaceuticals LP $103.86 07/30/2024 Food and Beverage Undisputed 01/23/2026 1104404035 CMS
AstraZeneca Pharmaceuticals LP $112.29 07/31/2024 Food and Beverage Undisputed 01/23/2026 1104656465 CMS
AstraZeneca Pharmaceuticals LP $2,550.00 08/06/2024 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 1105635700 CMS
AstraZeneca Pharmaceuticals LP $24.76 09/11/2024 Food and Beverage Undisputed 01/23/2026 1105397130 CMS
AstraZeneca Pharmaceuticals LP $18.24 10/23/2024 Food and Beverage Undisputed 01/23/2026 1105361667 CMS
AstraZeneca Pharmaceuticals LP $14.33 11/04/2024 Food and Beverage Undisputed 01/23/2026 1105782372 CMS
AstraZeneca Pharmaceuticals LP $23.29 11/13/2024 Food and Beverage Undisputed 01/23/2026 1104470204 CMS
AstraZeneca Pharmaceuticals LP $99.05 11/14/2024 Food and Beverage Undisputed 01/23/2026 1105465245 CMS
AstraZeneca Pharmaceuticals LP $20.97 11/14/2024 Food and Beverage Undisputed 01/23/2026 1105819149 CMS
AstraZeneca Pharmaceuticals LP $19.66 12/18/2024 Food and Beverage Undisputed 01/23/2026 1104298930 CMS
BioCryst US Sales Co., LLC $27.90 04/30/2024 Food and Beverage Undisputed 01/23/2026 1117469785 CMS
BioCryst US Sales Co., LLC $15.67 04/30/2024 Food and Beverage Undisputed 01/23/2026 1117480800 CMS
BioCryst US Sales Co., LLC $33.08 05/08/2024 Food and Beverage Undisputed 01/23/2026 1117471498 CMS
BioCryst US Sales Co., LLC $35.54 07/31/2024 Food and Beverage Undisputed 01/23/2026 1117475094 CMS
CSL Behring $35.08 04/16/2024 Food and Beverage Undisputed 01/23/2026 1134619273 CMS
GENZYME CORPORATION $10.66 01/05/2024 Food and Beverage Undisputed 01/23/2026 1139726966 CMS
GENZYME CORPORATION $8.40 01/08/2024 Food and Beverage Undisputed 01/23/2026 1139726968 CMS
GENZYME CORPORATION $30.06 03/05/2024 Food and Beverage Undisputed 01/23/2026 1139726978 CMS
GENZYME CORPORATION $16.18 05/16/2024 Food and Beverage Undisputed 01/23/2026 1139727016 CMS
GENZYME CORPORATION $43.26 05/21/2024 Food and Beverage Undisputed 01/23/2026 1139727008 CMS
GENZYME CORPORATION $23.11 05/28/2024 Food and Beverage Undisputed 01/23/2026 1139727018 CMS
GENZYME CORPORATION $14.88 07/12/2024 Food and Beverage Undisputed 01/23/2026 1139727034 CMS
GENZYME CORPORATION $28.67 07/17/2024 Food and Beverage Undisputed 01/23/2026 1139727024 CMS
GENZYME CORPORATION $25.22 08/22/2024 Food and Beverage Undisputed 01/23/2026 1139727040 CMS
GENZYME CORPORATION $20.61 09/19/2024 Food and Beverage Undisputed 01/23/2026 1139727044 CMS
GENZYME CORPORATION $32.43 10/22/2024 Food and Beverage Undisputed 01/23/2026 1139727062 CMS
GENZYME CORPORATION $21.95 11/12/2024 Food and Beverage Undisputed 01/23/2026 1139727076 CMS
GENZYME CORPORATION $11.90 11/27/2024 Food and Beverage Undisputed 01/23/2026 1139727100 CMS
GlaxoSmithKline, LLC. $22.32 02/29/2024 Food and Beverage Undisputed 01/23/2026 1115971896 CMS
GlaxoSmithKline, LLC. $27.52 10/01/2024 Food and Beverage Undisputed 01/23/2026 1116612854 CMS
Grifols USA, LLC $22.23 09/18/2024 Food and Beverage Undisputed 01/23/2026 1124729581 CMS
Grifols USA, LLC $20.12 11/20/2024 Food and Beverage Undisputed 01/23/2026 1124729579 CMS
kaleo, Inc. $21.10 02/16/2024 Food and Beverage Undisputed 01/23/2026 1126631288 CMS
kaleo, Inc. $24.92 02/28/2024 Food and Beverage Undisputed 01/23/2026 1126631290 CMS
Novartis Pharmaceuticals Corporation $26.32 02/27/2024 Food and Beverage Undisputed 01/23/2026 1087007964 CMS
Novartis Pharmaceuticals Corporation $13.22 09/11/2024 Food and Beverage Undisputed 01/23/2026 1087007992 CMS
Octapharma USA, Inc. $22.55 08/05/2024 Food and Beverage Undisputed 01/23/2026 1142317435 CMS
PFIZER INC. $34.70 05/29/2024 Food and Beverage Undisputed 01/23/2026 1131433612 CMS
PFIZER INC. $33.65 06/25/2024 Food and Beverage Undisputed 01/23/2026 1131605359 CMS
PFIZER INC. $27.98 12/11/2024 Food and Beverage Undisputed 01/23/2026 1131166236 CMS
Pharming Healthcare, Inc. $24.29 06/19/2024 Food and Beverage Undisputed 01/23/2026 1132158640 CMS
Pharming Healthcare, Inc. $26.22 10/29/2024 Food and Beverage Undisputed 01/23/2026 1132158645 CMS
Phathom Pharmaceuticals, Inc. $19.34 07/02/2024 Food and Beverage Undisputed 01/23/2026 1151102715 CMS
Regeneron Healthcare Solutions, Inc. $23.57 02/15/2024 Food and Beverage Undisputed 01/23/2026 1114124798 CMS
Regeneron Healthcare Solutions, Inc. $20.26 02/23/2024 Food and Beverage Undisputed 01/23/2026 1114124800 CMS
Regeneron Healthcare Solutions, Inc. $37.37 03/26/2024 Food and Beverage Undisputed 01/23/2026 1114124802 CMS
Regeneron Healthcare Solutions, Inc. $32.50 04/18/2024 Food and Beverage Undisputed 01/23/2026 1114124804 CMS
Regeneron Healthcare Solutions, Inc. $35.36 06/10/2024 Food and Beverage Undisputed 01/23/2026 1114124806 CMS
Regeneron Healthcare Solutions, Inc. $20.08 06/12/2024 Food and Beverage Undisputed 01/23/2026 1114124808 CMS
Regeneron Healthcare Solutions, Inc. $20.21 06/20/2024 Food and Beverage Undisputed 01/23/2026 1114124810 CMS
Regeneron Healthcare Solutions, Inc. $12.77 08/02/2024 Food and Beverage Undisputed 01/23/2026 1114124812 CMS
Regeneron Healthcare Solutions, Inc. $24.81 08/22/2024 Food and Beverage Undisputed 01/23/2026 1114124814 CMS
Regeneron Healthcare Solutions, Inc. $15.27 08/28/2024 Food and Beverage Undisputed 01/23/2026 1114124816 CMS
Regeneron Healthcare Solutions, Inc. $19.67 08/31/2024 Food and Beverage Undisputed 01/23/2026 1114124818 CMS
Regeneron Healthcare Solutions, Inc. $58.88 09/03/2024 Education Undisputed 01/23/2026 1114124820 CMS
Regeneron Healthcare Solutions, Inc. $28.26 10/16/2024 Food and Beverage Undisputed 01/23/2026 1114124822 CMS
Takeda Pharmaceuticals U.S.A., Inc. $20.11 02/26/2024 Food and Beverage Undisputed 01/23/2026 1137643734 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.38 03/13/2024 Food and Beverage Undisputed 01/23/2026 1137643736 CMS
Takeda Pharmaceuticals U.S.A., Inc. $27.75 06/17/2024 Food and Beverage Undisputed 01/23/2026 1137643738 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.52 07/03/2024 Food and Beverage Undisputed 01/23/2026 1137643740 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.71 08/07/2024 Food and Beverage Undisputed 01/23/2026 1137643742 CMS
Takeda Pharmaceuticals U.S.A., Inc. $31.91 08/13/2024 Food and Beverage Undisputed 01/23/2026 1137643744 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.69 10/15/2024 Food and Beverage Undisputed 01/23/2026 1137643746 CMS
TerSera Therapeutics LLC $31.93 11/05/2024 Food and Beverage Undisputed 01/23/2026 1144719226 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.