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 T TSAI

Allopathic & Osteopathic Physicians Family Medicine

NPI
1285620443
CMS profile
13294
Location
UPLAND, CA

General Payments · PY2018–2024

$6,733.24

  • Reported across 370 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,291.06

52 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 $1,291.06 52

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,177.02 81
PY2019 $914.56 69
PY2020 $1,186.67 65
PY2021 $979.83 47
PY2022 $542.97 29
PY2023 $641.13 27
PY2024 $1,291.06 52

Payment records · PY2024 (52)

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. $19.18 06/25/2024 Food and Beverage Undisputed 01/23/2026 1117704862 CMS
Astellas Pharma US Inc $22.45 03/25/2024 Food and Beverage Undisputed 01/23/2026 1139325126 CMS
AstraZeneca Pharmaceuticals LP $16.37 01/17/2024 Food and Beverage Undisputed 01/23/2026 1105491567 CMS
AstraZeneca Pharmaceuticals LP $24.71 03/12/2024 Food and Beverage Undisputed 01/23/2026 1104409233 CMS
AstraZeneca Pharmaceuticals LP $19.16 07/03/2024 Food and Beverage Undisputed 01/23/2026 1104357671 CMS
Bayer Healthcare Pharmaceuticals Inc. $26.50 09/12/2024 Food and Beverage Undisputed 01/23/2026 1086112816 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $21.52 08/06/2024 Food and Beverage Undisputed 01/23/2026 1117948267 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $20.85 10/07/2024 Food and Beverage Undisputed 01/23/2026 1117948265 CMS
Exact Sciences Corporation $27.51 04/11/2024 Food and Beverage Undisputed 01/23/2026 1114935857 CMS
Exact Sciences Corporation $17.09 10/08/2024 Food and Beverage Undisputed 01/23/2026 1114935861 CMS
Hikma Pharmaceuticals USA $21.81 05/28/2024 Food and Beverage Undisputed 01/23/2026 1127506600 CMS
Hologic Sales and Service, LLC $27.26 10/01/2024 Food and Beverage Undisputed 01/23/2026 1084893541 CMS
Inari Medical, Inc. $176.73 04/11/2024 Food and Beverage Undisputed 01/23/2026 1140171326 CMS
Insmed, Inc. $24.92 04/10/2024 Food and Beverage Undisputed 01/23/2026 1089575126 CMS
Janssen Pharmaceuticals, Inc $19.07 05/15/2024 Food and Beverage Undisputed 01/23/2026 1077943944 CMS
Lilly USA, LLC $24.75 01/10/2024 Food and Beverage Undisputed 01/23/2026 1135514014 CMS
Lilly USA, LLC $17.82 03/06/2024 Food and Beverage Undisputed 01/23/2026 1135441757 CMS
Lilly USA, LLC $24.18 04/30/2024 Food and Beverage Undisputed 01/23/2026 1135514016 CMS
Lilly USA, LLC $23.68 05/08/2024 Food and Beverage Undisputed 01/23/2026 1135498356 CMS
Lilly USA, LLC $23.48 06/18/2024 Food and Beverage Undisputed 01/23/2026 1135479633 CMS
Lilly USA, LLC $11.93 07/24/2024 Food and Beverage Undisputed 01/23/2026 1135470335 CMS
Lilly USA, LLC $24.80 08/20/2024 Food and Beverage Undisputed 01/23/2026 1135504534 CMS
Lilly USA, LLC $23.16 10/21/2024 Food and Beverage Undisputed 01/23/2026 1135504532 CMS
Lundbeck LLC $18.03 08/12/2024 Food and Beverage Undisputed 01/23/2026 1145976637 CMS
Merck Sharp & Dohme LLC $19.23 08/14/2024 Food and Beverage Undisputed 01/23/2026 1141676453 CMS
Novartis Pharmaceuticals Corporation $6.48 02/07/2024 Food and Beverage Undisputed 01/23/2026 1087378008 CMS
Novartis Pharmaceuticals Corporation $33.25 02/27/2024 Food and Beverage Undisputed 01/23/2026 1087378014 CMS
Novartis Pharmaceuticals Corporation $7.92 03/15/2024 Food and Beverage Undisputed 01/23/2026 1087378010 CMS
Novartis Pharmaceuticals Corporation $19.98 05/02/2024 Food and Beverage Undisputed 01/23/2026 1087378020 CMS
Novartis Pharmaceuticals Corporation $29.46 05/14/2024 Food and Beverage Undisputed 01/23/2026 1087378022 CMS
Novartis Pharmaceuticals Corporation $0.60 06/28/2024 Food and Beverage Undisputed 01/23/2026 1087378026 CMS
Novartis Pharmaceuticals Corporation $6.12 06/28/2024 Food and Beverage Undisputed 01/23/2026 1087378028 CMS
Novartis Pharmaceuticals Corporation $23.37 07/03/2024 Food and Beverage Undisputed 01/23/2026 1087378024 CMS
Novartis Pharmaceuticals Corporation $23.04 09/03/2024 Food and Beverage Undisputed 01/23/2026 1087378030 CMS
Novartis Pharmaceuticals Corporation $30.14 10/24/2024 Food and Beverage Undisputed 01/23/2026 1087378032 CMS
Novo Nordisk Inc $22.53 01/30/2024 Food and Beverage Undisputed 01/23/2026 1096596550 CMS
Novo Nordisk Inc $22.82 05/22/2024 Food and Beverage Undisputed 01/23/2026 1096772493 CMS
Novo Nordisk Inc $21.47 08/23/2024 Food and Beverage Undisputed 01/23/2026 1097722793 CMS
Novo Nordisk Inc $20.25 11/12/2024 Food and Beverage Undisputed 01/23/2026 1097562860 CMS
Otsuka America Pharmaceutical, Inc. $24.51 01/22/2024 Food and Beverage Undisputed 01/23/2026 1118996093 CMS
Otsuka America Pharmaceutical, Inc. $19.53 06/11/2024 Food and Beverage Undisputed 01/23/2026 1118996095 CMS
Otsuka America Pharmaceutical, Inc. $25.89 11/11/2024 Food and Beverage Undisputed 01/23/2026 1118996097 CMS
PFIZER INC. $30.17 01/31/2024 Food and Beverage Undisputed 01/23/2026 1131456033 CMS
PFIZER INC. $18.85 10/29/2024 Food and Beverage Undisputed 01/23/2026 1131523161 CMS
PFIZER INC. $24.91 10/29/2024 Food and Beverage Undisputed 01/23/2026 1131553028 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $19.83 12/23/2024 Food and Beverage Undisputed 01/23/2026 1153606300 CMS
SHIELD THERAPEUTICS INC $24.68 12/04/2024 Food and Beverage Undisputed 01/23/2026 1150156475 CMS
Sumitomo Pharma America, Inc. $20.48 07/22/2024 Food and Beverage Undisputed 01/23/2026 1148929688 CMS
Sumitomo Pharma America, Inc. $18.75 10/02/2024 Food and Beverage Undisputed 01/23/2026 1148929690 CMS
Teva Pharmaceuticals USA, Inc. $34.78 03/04/2024 Food and Beverage Undisputed 01/23/2026 1151690023 CMS
Teva Pharmaceuticals USA, Inc. $34.42 04/08/2024 Food and Beverage Undisputed 01/23/2026 1151690049 CMS
Teva Pharmaceuticals USA, Inc. $30.64 05/01/2024 Food and Beverage Undisputed 01/23/2026 1151690060 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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