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

MAGGIE S CHAU

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1568576445
CMS profile
71040
Location
SAN JOSE, CA

General Payments · PY2018–2024

$16,780.03

  • Reported across 434 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,311.25

59 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: Internal Medicine CA All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $2,276.24 58
Education $35.01 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $838.62 16
GlaxoSmithKline, LLC. $406.51 8
Amgen Inc. $264.44 7
Novo Nordisk AS $242.26 11
EISAI INC. $164.06 4
E.R. Squibb & Sons, L.L.C. $132.84 2
Bayer HealthCare Pharmaceuticals Inc. $110.82 5
Boehringer Ingelheim Pharmaceuticals, Inc. $35.01 1
NOVARTIS PHARMACEUTICALS CORPORATION $28.76 1
Kiniksa Pharmaceuticals International, plc $28.01 1
Lilly USA, LLC $20.60 1
Xeris Pharmaceuticals, Inc. $20.60 1
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.72 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $3,697.97 85
PY2019 $2,566.21 97
PY2020 $982.16 32
PY2021 $2,148.43 51
PY2022 $2,639.53 61
PY2023 $2,434.48 49
PY2024 $2,311.25 59

Payment records · PY2024 (59)

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
Amgen Inc. $23.64 01/09/2024 Food and Beverage Undisputed 01/23/2026 1117222141 CMS
Amgen Inc. $124.43 02/07/2024 Food and Beverage Undisputed 01/23/2026 1117222149 CMS
Amgen Inc. $23.35 03/04/2024 Food and Beverage Undisputed 01/23/2026 1111546655 CMS
Amgen Inc. $21.52 07/11/2024 Food and Beverage Undisputed 01/23/2026 1117222143 CMS
Amgen Inc. $21.32 09/24/2024 Food and Beverage Undisputed 01/23/2026 1117222145 CMS
Amgen Inc. $29.06 11/13/2024 Food and Beverage Undisputed 01/23/2026 1111546653 CMS
Amgen Inc. $21.12 11/25/2024 Food and Beverage Undisputed 01/23/2026 1117222147 CMS
AstraZeneca Pharmaceuticals LP $17.80 01/26/2024 Food and Beverage Undisputed 01/23/2026 1104733689 CMS
AstraZeneca Pharmaceuticals LP $20.54 02/08/2024 Food and Beverage Undisputed 01/23/2026 1105394469 CMS
AstraZeneca Pharmaceuticals LP $127.66 02/13/2024 Food and Beverage Undisputed 01/23/2026 1104409063 CMS
AstraZeneca Pharmaceuticals LP $123.31 03/21/2024 Food and Beverage Undisputed 01/23/2026 1105703866 CMS
AstraZeneca Pharmaceuticals LP $30.09 04/08/2024 Food and Beverage Undisputed 01/23/2026 1104295734 CMS
AstraZeneca Pharmaceuticals LP $23.09 04/22/2024 Food and Beverage Undisputed 01/23/2026 1104455472 CMS
AstraZeneca Pharmaceuticals LP $96.08 05/22/2024 Food and Beverage Undisputed 01/23/2026 1105378956 CMS
AstraZeneca Pharmaceuticals LP $8.63 05/24/2024 Food and Beverage Undisputed 01/23/2026 1104525934 CMS
AstraZeneca Pharmaceuticals LP $22.46 05/28/2024 Food and Beverage Undisputed 01/23/2026 1105498192 CMS
AstraZeneca Pharmaceuticals LP $124.99 06/05/2024 Food and Beverage Undisputed 01/23/2026 1104286626 CMS
AstraZeneca Pharmaceuticals LP $23.00 07/16/2024 Food and Beverage Undisputed 01/23/2026 1105616699 CMS
AstraZeneca Pharmaceuticals LP $22.05 08/06/2024 Food and Beverage Undisputed 01/23/2026 1104270755 CMS
AstraZeneca Pharmaceuticals LP $20.65 09/27/2024 Food and Beverage Undisputed 01/23/2026 1104782224 CMS
AstraZeneca Pharmaceuticals LP $21.17 10/07/2024 Food and Beverage Undisputed 01/23/2026 1104284091 CMS
AstraZeneca Pharmaceuticals LP $133.69 10/09/2024 Food and Beverage Undisputed 01/23/2026 1105701934 CMS
AstraZeneca Pharmaceuticals LP $23.41 11/11/2024 Food and Beverage Undisputed 01/23/2026 1104730703 CMS
Bayer Healthcare Pharmaceuticals Inc. $25.81 01/19/2024 Food and Beverage Undisputed 01/23/2026 1086248146 CMS
Bayer Healthcare Pharmaceuticals Inc. $21.62 03/01/2024 Food and Beverage Undisputed 01/23/2026 1086160634 CMS
Bayer Healthcare Pharmaceuticals Inc. $18.36 06/03/2024 Food and Beverage Undisputed 01/23/2026 1086203989 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.30 09/05/2024 Food and Beverage Undisputed 01/23/2026 1086111192 CMS
Bayer Healthcare Pharmaceuticals Inc. $25.73 11/13/2024 Food and Beverage Undisputed 01/23/2026 1086259514 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $35.01 01/08/2024 Education Undisputed 01/23/2026 1118061983 CMS
E.R. Squibb & Sons, L.L.C. $6.86 07/30/2024 Food and Beverage Undisputed 01/23/2026 1101713506 CMS
E.R. Squibb & Sons, L.L.C. $125.98 08/08/2024 Food and Beverage Undisputed 01/23/2026 1101713527 CMS
Eisai Inc. $104.71 06/18/2024 Food and Beverage Undisputed 01/23/2026 1110761967 CMS
Eisai Inc. $17.10 07/26/2024 Food and Beverage Undisputed 01/23/2026 1110761971 CMS
Eisai Inc. $20.96 08/29/2024 Food and Beverage Undisputed 01/23/2026 1110761969 CMS
Eisai Inc. $21.29 12/09/2024 Food and Beverage Undisputed 01/23/2026 1110761973 CMS
GlaxoSmithKline, LLC. $22.68 02/06/2024 Food and Beverage Undisputed 01/23/2026 1116207474 CMS
GlaxoSmithKline, LLC. $121.84 02/29/2024 Food and Beverage Undisputed 01/23/2026 1116703198 CMS
GlaxoSmithKline, LLC. $23.34 04/15/2024 Food and Beverage Undisputed 01/23/2026 1116614848 CMS
GlaxoSmithKline, LLC. $28.81 06/13/2024 Food and Beverage Undisputed 01/23/2026 1116234807 CMS
GlaxoSmithKline, LLC. $24.43 08/12/2024 Food and Beverage Undisputed 01/23/2026 1115991660 CMS
GlaxoSmithKline, LLC. $30.45 09/12/2024 Food and Beverage Undisputed 01/23/2026 1116558319 CMS
GlaxoSmithKline, LLC. $121.82 10/02/2024 Food and Beverage Undisputed 01/23/2026 1116517142 CMS
GlaxoSmithKline, LLC. $33.14 12/05/2024 Food and Beverage Undisputed 01/23/2026 1115809127 CMS
Kiniksa Pharmaceuticals International, plc $28.01 02/16/2024 Food and Beverage Undisputed 01/23/2026 1154855401 CMS
Lilly USA, LLC $20.60 09/09/2024 Food and Beverage Undisputed 01/23/2026 1135162637 CMS
Novartis Pharmaceuticals Corporation $28.76 02/20/2024 Food and Beverage Undisputed 01/23/2026 1086735395 CMS
Novo Nordisk Inc $22.88 01/25/2024 Food and Beverage Undisputed 01/23/2026 1097225729 CMS
Novo Nordisk Inc $22.03 02/01/2024 Food and Beverage Undisputed 01/23/2026 1097483876 CMS
Novo Nordisk Inc $20.41 04/23/2024 Food and Beverage Undisputed 01/23/2026 1097787879 CMS
Novo Nordisk Inc $19.68 05/07/2024 Food and Beverage Undisputed 01/23/2026 1096617984 CMS
Novo Nordisk Inc $25.00 06/20/2024 Food and Beverage Undisputed 01/23/2026 1096671796 CMS
Novo Nordisk Inc $23.02 06/25/2024 Food and Beverage Undisputed 01/23/2026 1096613566 CMS
Novo Nordisk Inc $18.59 07/09/2024 Food and Beverage Undisputed 01/23/2026 1096882400 CMS
Novo Nordisk Inc $17.79 08/27/2024 Food and Beverage Undisputed 01/23/2026 1097603968 CMS
Novo Nordisk Inc $24.65 09/23/2024 Food and Beverage Undisputed 01/23/2026 1096589339 CMS
Novo Nordisk Inc $23.53 11/04/2024 Food and Beverage Undisputed 01/23/2026 1096588094 CMS
Novo Nordisk Inc $24.68 12/19/2024 Food and Beverage Undisputed 01/23/2026 1097062569 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.72 09/05/2024 Food and Beverage Undisputed 01/23/2026 1153596175 CMS
Xeris Pharmaceuticals, Inc. $20.60 04/30/2024 Food and Beverage Undisputed 01/23/2026 1144603584 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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