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

JUSTIN L CHAN

Allopathic & Osteopathic Physicians Family Medicine

NPI
1003818501
CMS profile
317606
Location
ALHAMBRA, CA

General Payments · PY2018–2024

$15,822.23

  • Reported across 302 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,669.84

44 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 $1,656.30 43
Travel and Lodging $13.54 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $4,433.23 57
PY2019 $4,052.92 75
PY2020 $956.05 26
PY2021 $1,951.48 35
PY2022 $1,426.17 27
PY2023 $1,332.54 38
PY2024 $1,669.84 44

Payment records · PY2024 (44)

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 $16.46 04/08/2024 Food and Beverage Undisputed 01/23/2026 1124790069 CMS
Abbott Laboratories $14.36 05/07/2024 Food and Beverage Undisputed 01/23/2026 1124790071 CMS
ALK-Abello, Inc $18.86 02/21/2024 Food and Beverage Undisputed 01/23/2026 1099889615 CMS
Amgen Inc. $124.99 02/01/2024 Food and Beverage Undisputed 01/23/2026 1111545485 CMS
Ardelyx, Inc. $30.88 06/21/2024 Food and Beverage Undisputed 01/23/2026 1146674454 CMS
AstraZeneca Pharmaceuticals LP $16.17 07/17/2024 Food and Beverage Undisputed 01/23/2026 1104741511 CMS
AstraZeneca Pharmaceuticals LP $0.88 07/17/2024 Food and Beverage Undisputed 01/23/2026 1105515347 CMS
AstraZeneca Pharmaceuticals LP $18.60 08/15/2024 Food and Beverage Undisputed 01/23/2026 1104305848 CMS
AstraZeneca Pharmaceuticals LP $125.00 08/20/2024 Food and Beverage Undisputed 01/23/2026 1104703827 CMS
AstraZeneca Pharmaceuticals LP $123.55 09/26/2024 Food and Beverage Undisputed 01/23/2026 1104269729 CMS
AstraZeneca Pharmaceuticals LP $23.00 10/11/2024 Food and Beverage Undisputed 01/23/2026 1104573496 CMS
Bayer Healthcare Pharmaceuticals Inc. $24.00 08/05/2024 Food and Beverage Undisputed 01/23/2026 1086221517 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.15 08/16/2024 Food and Beverage Undisputed 01/23/2026 1086197286 CMS
Bayer Healthcare Pharmaceuticals Inc. $30.55 08/27/2024 Food and Beverage Undisputed 01/23/2026 1086176404 CMS
Bayer Healthcare Pharmaceuticals Inc. $18.78 10/17/2024 Food and Beverage Undisputed 01/23/2026 1086172924 CMS
Bayer Healthcare Pharmaceuticals Inc. $21.64 11/21/2024 Food and Beverage Undisputed 01/23/2026 1086116028 CMS
Exact Sciences Corporation $20.36 10/22/2024 Food and Beverage Undisputed 01/23/2026 1114611870 CMS
GENZYME CORPORATION $29.53 05/15/2024 Food and Beverage Undisputed 01/23/2026 1139645956 CMS
Gilead Sciences, Inc. $10.78 02/07/2024 Food and Beverage Undisputed 01/23/2026 1133747812 CMS
Gilead Sciences, Inc. $125.00 04/10/2024 Food and Beverage Undisputed 01/23/2026 1133747814 CMS
Gilead Sciences, Inc. $5.00 07/09/2024 Food and Beverage Undisputed 01/23/2026 1133747816 CMS
Gilead Sciences, Inc. $125.00 11/05/2024 Food and Beverage Undisputed 01/23/2026 1133747818 CMS
Gilead Sciences, Inc. $6.86 12/09/2024 Food and Beverage Undisputed 01/23/2026 1133747820 CMS
GlaxoSmithKline, LLC. $31.66 10/15/2024 Food and Beverage Undisputed 01/23/2026 1116119116 CMS
Kowa Pharmaceuticals America, Inc. $23.48 11/11/2024 Food and Beverage Undisputed 01/23/2026 1113464873 CMS
Kowa Pharmaceuticals America, Inc. $20.50 12/17/2024 Food and Beverage Undisputed 01/23/2026 1113464875 CMS
Lexicon Pharmaceuticals, Inc. $125.00 04/24/2024 Food and Beverage Undisputed 01/23/2026 1081728157 CMS
Lexicon Pharmaceuticals, Inc. $25.81 06/11/2024 Food and Beverage Undisputed 01/23/2026 1081728153 CMS
Lexicon Pharmaceuticals, Inc. $25.79 07/31/2024 Food and Beverage Undisputed 01/23/2026 1081728151 CMS
Lexicon Pharmaceuticals, Inc. $33.03 08/14/2024 Food and Beverage Undisputed 01/23/2026 1081728155 CMS
Lilly USA, LLC $21.14 01/11/2024 Food and Beverage Undisputed 01/23/2026 1135113366 CMS
Lilly USA, LLC $33.99 02/01/2024 Food and Beverage Undisputed 01/23/2026 1135102355 CMS
Lilly USA, LLC $122.11 02/20/2024 Food and Beverage Undisputed 01/23/2026 1135116203 CMS
Lilly USA, LLC $13.54 02/20/2024 Travel and Lodging Undisputed 01/23/2026 1135116205 CMS
Lilly USA, LLC $33.58 05/23/2024 Food and Beverage Undisputed 01/23/2026 1135088191 CMS
Lilly USA, LLC $34.94 07/11/2024 Food and Beverage Undisputed 01/23/2026 1135115739 CMS
Merck Sharp & Dohme LLC $17.79 01/31/2024 Food and Beverage Undisputed 01/23/2026 1141645847 CMS
Merck Sharp & Dohme LLC $30.40 07/15/2024 Food and Beverage Undisputed 01/23/2026 1141956107 CMS
Novartis Pharmaceuticals Corporation $19.02 07/10/2024 Food and Beverage Undisputed 01/23/2026 1086651715 CMS
Novo Nordisk Inc $16.50 08/14/2024 Food and Beverage Undisputed 01/23/2026 1097231460 CMS
Regeneron Healthcare Solutions, Inc. $21.92 01/23/2024 Food and Beverage Undisputed 01/23/2026 1114021288 CMS
SANOFI-AVENTIS U.S. LLC $23.28 10/29/2024 Food and Beverage Undisputed 01/23/2026 1139646068 CMS
SANOFI-AVENTIS U.S. LLC $28.85 12/16/2024 Food and Beverage Undisputed 01/23/2026 1139646074 CMS
Seqirus USA Inc $18.11 07/25/2024 Food and Beverage Undisputed 01/23/2026 1125636681 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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