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 W CHOW

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1457409211
CMS profile
156848
Location
LOS ANGELES, CA

General Payments · PY2018–2024

$12,560.69

  • Reported across 520 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,702.08

77 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 $1,688.97 76
Education $13.11 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,295.07 75
PY2019 $1,411.77 77
PY2020 $721.10 39
PY2021 $3,378.27 79
PY2022 $2,070.05 95
PY2023 $1,982.35 78
PY2024 $1,702.08 77

Payment records · PY2024 (77)

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
Abbott Laboratories $23.60 10/16/2024 Food and Beverage Undisputed 01/23/2026 1125074512 CMS
ACADIA Pharmaceuticals Inc $15.49 03/25/2024 Food and Beverage Undisputed 01/23/2026 1147966448 CMS
ACADIA Pharmaceuticals Inc $26.44 12/20/2024 Food and Beverage Undisputed 01/23/2026 1147966450 CMS
Alexion Pharmaceuticals, Inc. $28.15 03/20/2024 Food and Beverage Undisputed 01/23/2026 1094022031 CMS
Alexion Pharmaceuticals, Inc. $21.34 07/17/2024 Food and Beverage Undisputed 01/23/2026 1094006457 CMS
Alexion Pharmaceuticals, Inc. $32.65 12/11/2024 Food and Beverage Undisputed 01/23/2026 1093922077 CMS
Amgen Inc. $13.11 04/15/2024 Education Undisputed 01/23/2026 1115507080 CMS
ARGENX US, INC. $28.71 01/24/2024 Food and Beverage Undisputed 01/23/2026 1142102608 CMS
ARGENX US, INC. $28.62 03/14/2024 Food and Beverage Undisputed 01/23/2026 1142104399 CMS
ARGENX US, INC. $27.69 06/04/2024 Food and Beverage Undisputed 01/23/2026 1142102042 CMS
ARGENX US, INC. $31.64 09/05/2024 Food and Beverage Undisputed 01/23/2026 1142123913 CMS
ARGENX US, INC. $19.00 09/30/2024 Food and Beverage Undisputed 01/23/2026 1142123253 CMS
ARGENX US, INC. $29.35 12/17/2024 Food and Beverage Undisputed 01/23/2026 1142125911 CMS
Bausch Health US, LLC $22.85 12/09/2024 Food and Beverage Undisputed 01/23/2026 1148025736 CMS
Biogen, Inc. $28.23 01/10/2024 Food and Beverage Undisputed 01/23/2026 1104810935 CMS
Biogen, Inc. $26.13 04/08/2024 Food and Beverage Undisputed 01/23/2026 1104831204 CMS
Eisai Inc. $20.31 06/17/2024 Food and Beverage Undisputed 01/23/2026 1110788793 CMS
Eisai Inc. $24.72 11/15/2024 Food and Beverage Undisputed 01/23/2026 1110788795 CMS
Kyowa Kirin, Inc. $21.44 01/18/2024 Food and Beverage Undisputed 01/23/2026 1127045501 CMS
Lilly USA, LLC $31.91 02/26/2024 Food and Beverage Undisputed 01/23/2026 1135442449 CMS
Lilly USA, LLC $23.90 04/24/2024 Food and Beverage Undisputed 01/23/2026 1135454729 CMS
Lilly USA, LLC $21.11 05/20/2024 Food and Beverage Undisputed 01/23/2026 1135517726 CMS
Lilly USA, LLC $25.45 08/22/2024 Food and Beverage Undisputed 01/23/2026 1135501828 CMS
Lilly USA, LLC $28.12 10/23/2024 Food and Beverage Undisputed 01/23/2026 1135501830 CMS
Lilly USA, LLC $28.83 11/18/2024 Food and Beverage Undisputed 01/23/2026 1135473241 CMS
Lundbeck LLC $32.11 01/08/2024 Food and Beverage Undisputed 01/23/2026 1145905173 CMS
Lundbeck LLC $32.78 03/08/2024 Food and Beverage Undisputed 01/23/2026 1145905175 CMS
Lundbeck LLC $28.47 05/06/2024 Food and Beverage Undisputed 01/23/2026 1145905177 CMS
Lundbeck LLC $7.36 05/23/2024 Food and Beverage Undisputed 01/23/2026 1145905179 CMS
Lundbeck LLC $28.11 08/14/2024 Food and Beverage Undisputed 01/23/2026 1145905181 CMS
Lundbeck LLC $27.14 11/20/2024 Food and Beverage Undisputed 01/23/2026 1145905183 CMS
Neurelis, Inc. $31.84 09/09/2024 Food and Beverage Undisputed 01/23/2026 1145637869 CMS
Neurelis, Inc. $34.74 12/04/2024 Food and Beverage Undisputed 01/23/2026 1145637873 CMS
Novartis Pharmaceuticals Corporation $3.40 01/10/2024 Food and Beverage Undisputed 01/23/2026 1086681029 CMS
Novartis Pharmaceuticals Corporation $32.52 01/12/2024 Food and Beverage Undisputed 01/23/2026 1086681027 CMS
Novartis Pharmaceuticals Corporation $3.00 02/02/2024 Food and Beverage Undisputed 01/23/2026 1086681031 CMS
Novartis Pharmaceuticals Corporation $14.17 02/16/2024 Food and Beverage Undisputed 01/23/2026 1086681033 CMS
Novartis Pharmaceuticals Corporation $10.64 03/11/2024 Food and Beverage Undisputed 01/23/2026 1086681035 CMS
Novartis Pharmaceuticals Corporation $25.15 06/26/2024 Food and Beverage Undisputed 01/23/2026 1086681043 CMS
Novartis Pharmaceuticals Corporation $15.80 07/01/2024 Food and Beverage Undisputed 01/23/2026 1086681049 CMS
Novartis Pharmaceuticals Corporation $18.20 07/29/2024 Food and Beverage Undisputed 01/23/2026 1086681053 CMS
Novartis Pharmaceuticals Corporation $6.55 08/01/2024 Food and Beverage Undisputed 01/23/2026 1086681051 CMS
Novartis Pharmaceuticals Corporation $13.51 08/28/2024 Food and Beverage Undisputed 01/23/2026 1086681055 CMS
Novartis Pharmaceuticals Corporation $25.55 11/22/2024 Food and Beverage Undisputed 01/23/2026 1086681063 CMS
PFIZER INC. $27.39 01/29/2024 Food and Beverage Undisputed 01/23/2026 1131033484 CMS
PFIZER INC. $28.77 04/03/2024 Food and Beverage Undisputed 01/23/2026 1131214924 CMS
PFIZER INC. $27.27 05/29/2024 Food and Beverage Undisputed 01/23/2026 1131438898 CMS
PFIZER INC. $25.25 07/19/2024 Food and Beverage Undisputed 01/23/2026 1131786864 CMS
PFIZER INC. $28.20 09/06/2024 Food and Beverage Undisputed 01/23/2026 1131981781 CMS
PFIZER INC. $28.93 11/25/2024 Food and Beverage Undisputed 01/23/2026 1131049626 CMS
Sumitomo Pharma America, Inc. $27.49 01/26/2024 Food and Beverage Undisputed 01/23/2026 1148838107 CMS
Sumitomo Pharma America, Inc. $22.47 03/04/2024 Food and Beverage Undisputed 01/23/2026 1148838109 CMS
Teva Pharmaceuticals USA, Inc. $23.76 03/27/2024 Food and Beverage Undisputed 01/23/2026 1151627731 CMS
Teva Pharmaceuticals USA, Inc. $22.39 05/03/2024 Food and Beverage Undisputed 01/23/2026 1151627751 CMS
UCB, Inc. $28.69 01/23/2024 Food and Beverage Undisputed 01/23/2026 1143496076 CMS
UCB, Inc. $9.52 02/24/2024 Food and Beverage Undisputed 01/23/2026 1143496083 CMS
UCB, Inc. $47.35 02/28/2024 Food and Beverage Undisputed 01/23/2026 1143496090 CMS
UCB, Inc. $16.68 05/23/2024 Food and Beverage Undisputed 01/23/2026 1143496096 CMS
UCB, Inc. $30.41 05/24/2024 Food and Beverage Undisputed 01/23/2026 1143496102 CMS
UCB, Inc. $31.95 06/21/2024 Food and Beverage Undisputed 01/23/2026 1143496110 CMS
UCB, Inc. $2.60 06/27/2024 Food and Beverage Undisputed 01/23/2026 1143496116 CMS
UCB, Inc. $2.59 06/28/2024 Food and Beverage Undisputed 01/23/2026 1143496123 CMS
UCB, Inc. $4.26 06/28/2024 Food and Beverage Undisputed 01/23/2026 1143496129 CMS
UCB, Inc. $7.14 06/28/2024 Food and Beverage Undisputed 01/23/2026 1143496137 CMS
UCB, Inc. $24.73 06/28/2024 Food and Beverage Undisputed 01/23/2026 1143496143 CMS
UCB, Inc. $3.16 08/09/2024 Food and Beverage Undisputed 01/23/2026 1143496148 CMS
UCB, Inc. $3.28 08/09/2024 Food and Beverage Undisputed 01/23/2026 1143496155 CMS
UCB, Inc. $18.87 08/09/2024 Food and Beverage Undisputed 01/23/2026 1143496162 CMS
UCB, Inc. $15.51 08/15/2024 Food and Beverage Undisputed 01/23/2026 1143496168 CMS
UCB, Inc. $31.13 08/16/2024 Food and Beverage Undisputed 01/23/2026 1143496175 CMS
UCB, Inc. $2.69 08/17/2024 Food and Beverage Undisputed 01/23/2026 1143514902 CMS
UCB, Inc. $26.74 10/05/2024 Food and Beverage Undisputed 01/23/2026 1143514907 CMS
UCB, Inc. $3.51 10/24/2024 Food and Beverage Undisputed 01/23/2026 1143514911 CMS
UCB, Inc. $33.25 10/25/2024 Food and Beverage Undisputed 01/23/2026 1143514915 CMS
UCB, Inc. $32.74 11/13/2024 Food and Beverage Undisputed 01/23/2026 1143514920 CMS
UCB, Inc. $2.65 11/19/2024 Food and Beverage Undisputed 01/23/2026 1143514923 CMS
UCB, Inc. $40.88 12/18/2024 Food and Beverage Undisputed 01/23/2026 1143514928 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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