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

LYDIA DZ-YUN CHOW

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1770087314
CMS profile
11259569
Location
WEST COVINA, CA

General Payments · PY2021–2024

$8,603.03

  • Reported across 240 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,376.16

39 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 $1,354.46 38
Education $21.70 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $1,020.70 19
PY2022 $3,168.95 94
PY2023 $3,037.22 88
PY2024 $1,376.16 39

Payment records · PY2024 (39)

Sorted by paying entity, then date · as published by CMS

Program year 2024 202120222023 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
Aadi Bioscience, Inc. $23.93 06/26/2024 Food and Beverage Undisputed 01/23/2026 1119596773 CMS
ABBVIE INC. $21.70 02/22/2024 Food and Beverage Undisputed 01/23/2026 1103468263 CMS
ABBVIE INC. $24.44 03/13/2024 Food and Beverage Undisputed 01/23/2026 1103468265 CMS
ABBVIE INC. $127.50 05/16/2024 Food and Beverage Undisputed 01/23/2026 1103468267 CMS
BeiGene USA, Inc. $22.81 03/29/2024 Food and Beverage Undisputed 01/23/2026 1120853043 CMS
BeiGene USA, Inc. $20.55 05/31/2024 Food and Beverage Undisputed 01/23/2026 1120853041 CMS
Blueprint Medicines Corporation $41.53 02/27/2024 Food and Beverage Undisputed 01/23/2026 1147455719 CMS
Blueprint Medicines Corporation $27.86 05/02/2024 Food and Beverage Undisputed 01/23/2026 1147455761 CMS
BTG International, Inc. $18.04 01/03/2024 Food and Beverage Undisputed 01/23/2026 1134497729 CMS
Celgene Corporation $26.50 01/11/2024 Food and Beverage Undisputed 01/23/2026 1101088357 CMS
Celgene Corporation $23.58 03/07/2024 Food and Beverage Undisputed 01/23/2026 1101088359 CMS
Celgene Corporation $22.68 04/11/2024 Food and Beverage Undisputed 01/23/2026 1101088363 CMS
Celgene Corporation $30.08 05/16/2024 Food and Beverage Undisputed 01/23/2026 1101088365 CMS
Eisai Inc. $24.46 05/21/2024 Food and Beverage Undisputed 01/23/2026 1110761597 CMS
EMD Serono, Inc. $127.31 05/02/2024 Food and Beverage Undisputed 01/23/2026 1120235494 CMS
EMD Serono, Inc. $24.63 06/03/2024 Food and Beverage Undisputed 01/23/2026 1120229420 CMS
EMD Serono, Inc. $1.24 06/03/2024 Food and Beverage Undisputed 01/23/2026 1120229428 CMS
EMD Serono, Inc. $6.86 06/04/2024 Food and Beverage Undisputed 01/23/2026 1120229180 CMS
Exelixis Inc. $28.26 05/28/2024 Food and Beverage Undisputed 01/23/2026 1138561210 CMS
Genentech USA, Inc. $27.87 04/16/2024 Food and Beverage Undisputed 01/23/2026 1133057300 CMS
Genentech USA, Inc. $23.33 06/11/2024 Food and Beverage Undisputed 01/23/2026 1133057296 CMS
GENZYME CORPORATION $25.28 03/28/2024 Food and Beverage Undisputed 01/23/2026 1139579592 CMS
GENZYME CORPORATION $24.70 04/24/2024 Food and Beverage Undisputed 01/23/2026 1139579604 CMS
GENZYME CORPORATION $95.73 05/31/2024 Food and Beverage Undisputed 01/23/2026 1139579618 CMS
Incyte Corporation $26.16 03/28/2024 Food and Beverage Undisputed 01/23/2026 1141229253 CMS
Incyte Corporation $26.11 04/04/2024 Food and Beverage Undisputed 01/23/2026 1141321231 CMS
Janssen Biotech, Inc. $139.33 04/17/2024 Food and Beverage Undisputed 01/23/2026 1078355675 CMS
Janssen Pharmaceuticals, Inc $21.70 10/08/2024 Education Undisputed 01/23/2026 1077945092 CMS
Merck Sharp & Dohme LLC $31.71 04/02/2024 Food and Beverage Undisputed 01/23/2026 1141604576 CMS
Merck Sharp & Dohme LLC $27.25 05/07/2024 Food and Beverage Undisputed 01/23/2026 1141604556 CMS
Novartis Pharmaceuticals Corporation $28.70 06/06/2024 Food and Beverage Undisputed 01/23/2026 1086781701 CMS
Novartis Pharmaceuticals Corporation $30.45 06/27/2024 Food and Beverage Undisputed 01/23/2026 1086781703 CMS
Novartis Pharmaceuticals Corporation $24.26 07/08/2024 Food and Beverage Undisputed 01/23/2026 1086781707 CMS
Novartis Pharmaceuticals Corporation $28.31 09/05/2024 Food and Beverage Undisputed 01/23/2026 1086781715 CMS
Novartis Pharmaceuticals Corporation $33.66 11/21/2024 Food and Beverage Undisputed 01/23/2026 1086781729 CMS
PFIZER INC. $29.76 05/15/2024 Food and Beverage Undisputed 01/23/2026 1131531805 CMS
PROGENICS PHARMACEUTICALS, INC. $29.98 04/23/2024 Food and Beverage Undisputed 01/23/2026 1128513499 CMS
Regeneron Healthcare Solutions, Inc. $34.41 01/19/2024 Food and Beverage Undisputed 01/23/2026 1114025520 CMS
SERVIER PHARMACEUTICALS LLC $23.50 03/12/2024 Food and Beverage Undisputed 01/23/2026 1147261542 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
2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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