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

CHUN KIT CHAN

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1730284308
CMS profile
351509
Location
NEW YORK, NY

General Payments · PY2018–2024

$67,463.86

  • Reported across 597 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$9,188.25

92 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

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $16,518.49 96
PY2019 $17,350.78 90
PY2020 $2,984.40 72
PY2021 $7,364.60 81
PY2022 $5,846.18 83
PY2023 $8,211.16 83
PY2024 $9,188.25 92

Payment records · PY2024 (92)

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
ABBVIE INC. $29.06 09/05/2024 Food and Beverage Undisputed 01/23/2026 1103437220 CMS
Amgen Inc. $24.13 01/03/2024 Food and Beverage Undisputed 01/23/2026 1117221290 CMS
Amgen Inc. $25.73 02/13/2024 Food and Beverage Undisputed 01/23/2026 1117221292 CMS
Amgen Inc. $22.46 02/21/2024 Food and Beverage Undisputed 01/23/2026 1111545383 CMS
Amgen Inc. $26.88 03/04/2024 Food and Beverage Undisputed 01/23/2026 1117221294 CMS
Amgen Inc. $24.45 04/03/2024 Food and Beverage Undisputed 01/23/2026 1117221296 CMS
Amgen Inc. $27.28 05/22/2024 Food and Beverage Undisputed 01/23/2026 1117221298 CMS
Amgen Inc. $25.55 06/24/2024 Food and Beverage Undisputed 01/23/2026 1117221300 CMS
Amgen Inc. $24.91 07/12/2024 Food and Beverage Undisputed 01/23/2026 1117221302 CMS
Amgen Inc. $9.45 08/02/2024 Food and Beverage Undisputed 01/23/2026 1111545387 CMS
Amgen Inc. $23.10 09/09/2024 Food and Beverage Undisputed 01/23/2026 1111545385 CMS
AstraZeneca Pharmaceuticals LP $24.89 01/18/2024 Food and Beverage Undisputed 01/23/2026 1105744532 CMS
AstraZeneca Pharmaceuticals LP $13.34 03/06/2024 Food and Beverage Undisputed 01/23/2026 1104200091 CMS
AstraZeneca Pharmaceuticals LP $15.93 03/20/2024 Food and Beverage Undisputed 01/23/2026 1104573642 CMS
AstraZeneca Pharmaceuticals LP $18.29 04/29/2024 Food and Beverage Undisputed 01/23/2026 1105889945 CMS
AstraZeneca Pharmaceuticals LP $25.09 05/15/2024 Food and Beverage Undisputed 01/23/2026 1105327633 CMS
AstraZeneca Pharmaceuticals LP $24.87 06/12/2024 Food and Beverage Undisputed 01/23/2026 1104746159 CMS
Bayer Healthcare Pharmaceuticals Inc. $23.20 03/27/2024 Food and Beverage Undisputed 01/23/2026 1086253360 CMS
Bayer Healthcare Pharmaceuticals Inc. $26.02 07/31/2024 Food and Beverage Undisputed 01/23/2026 1086156582 CMS
Bayer Healthcare Pharmaceuticals Inc. $28.43 09/18/2024 Food and Beverage Undisputed 01/23/2026 1086222712 CMS
Bayer Healthcare Pharmaceuticals Inc. $24.90 11/13/2024 Food and Beverage Undisputed 01/23/2026 1086128298 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $23.90 02/07/2024 Food and Beverage Undisputed 01/23/2026 1118131291 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $20.00 09/25/2024 Food and Beverage Undisputed 01/23/2026 1118131289 CMS
Exact Sciences Corporation $21.07 03/07/2024 Food and Beverage Undisputed 01/23/2026 1114611764 CMS
Exact Sciences Corporation $23.08 04/18/2024 Food and Beverage Undisputed 01/23/2026 1114611768 CMS
Exact Sciences Corporation $27.86 07/17/2024 Food and Beverage Undisputed 01/23/2026 1114611772 CMS
Exact Sciences Corporation $29.16 08/29/2024 Food and Beverage Undisputed 01/23/2026 1114611776 CMS
Exact Sciences Corporation $13.26 11/07/2024 Food and Beverage Undisputed 01/23/2026 1114611780 CMS
Gilead Sciences, Inc. $32.58 01/30/2024 Food and Beverage Undisputed 01/23/2026 1133637361 CMS
Gilead Sciences, Inc. $32.18 02/27/2024 Food and Beverage Undisputed 01/23/2026 1133637363 CMS
Gilead Sciences, Inc. $35.00 03/05/2024 Food and Beverage Undisputed 01/23/2026 1133637365 CMS
Gilead Sciences, Inc. $29.99 03/15/2024 Food and Beverage Undisputed 01/23/2026 1133637367 CMS
Gilead Sciences, Inc. $37.32 03/15/2024 Food and Beverage Undisputed 01/23/2026 1133637369 CMS
Gilead Sciences, Inc. $42.85 03/15/2024 Food and Beverage Undisputed 01/23/2026 1133637371 CMS
Gilead Sciences, Inc. $30.22 03/20/2024 Food and Beverage Undisputed 01/23/2026 1133637373 CMS
Gilead Sciences, Inc. $31.38 04/04/2024 Food and Beverage Undisputed 01/23/2026 1133637375 CMS
Gilead Sciences, Inc. $3,240.00 04/10/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1133600554 CMS
Gilead Sciences, Inc. $35.00 04/16/2024 Food and Beverage Undisputed 01/23/2026 1133637377 CMS
Gilead Sciences, Inc. $271.70 04/28/2024 Travel and Lodging Undisputed 01/23/2026 1133857654 CMS
Gilead Sciences, Inc. $297.55 04/28/2024 Travel and Lodging Undisputed 01/23/2026 1133857656 CMS
Gilead Sciences, Inc. $20.00 04/30/2024 Food and Beverage Undisputed 01/23/2026 1133637379 CMS
Gilead Sciences, Inc. $1,630.00 05/02/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1133600556 CMS
Gilead Sciences, Inc. $35.00 06/06/2024 Food and Beverage Undisputed 01/23/2026 1133637381 CMS
Gilead Sciences, Inc. $33.47 06/20/2024 Food and Beverage Undisputed 01/23/2026 1133637383 CMS
Gilead Sciences, Inc. $16.09 07/18/2024 Food and Beverage Undisputed 01/23/2026 1133637385 CMS
Gilead Sciences, Inc. $10.05 07/19/2024 Food and Beverage Undisputed 01/23/2026 1133637387 CMS
Gilead Sciences, Inc. $1,630.00 07/23/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1133600558 CMS
Gilead Sciences, Inc. $46.65 07/31/2024 Food and Beverage Undisputed 01/23/2026 1133637389 CMS
Gilead Sciences, Inc. $10.00 07/31/2024 Travel and Lodging Undisputed 01/23/2026 1133857658 CMS
Gilead Sciences, Inc. $30.31 08/15/2024 Food and Beverage Undisputed 01/23/2026 1133637391 CMS
Gilead Sciences, Inc. $86.37 09/05/2024 Food and Beverage Undisputed 01/23/2026 1133637393 CMS
Gilead Sciences, Inc. $14.63 09/09/2024 Food and Beverage Undisputed 01/23/2026 1133637395 CMS
Gilead Sciences, Inc. $32.09 10/08/2024 Food and Beverage Undisputed 01/23/2026 1133637397 CMS
Gilead Sciences, Inc. $29.43 10/17/2024 Food and Beverage Undisputed 01/23/2026 1133637399 CMS
Gilead Sciences, Inc. $32.08 11/19/2024 Food and Beverage Undisputed 01/23/2026 1133637401 CMS
Gilead Sciences, Inc. $33.00 11/22/2024 Food and Beverage Undisputed 01/23/2026 1133637403 CMS
Gilead Sciences, Inc. $31.11 12/19/2024 Food and Beverage Undisputed 01/23/2026 1133637405 CMS
GlaxoSmithKline, LLC. $18.46 03/20/2024 Food and Beverage Undisputed 01/23/2026 1116632709 CMS
GlaxoSmithKline, LLC. $18.08 08/21/2024 Food and Beverage Undisputed 01/23/2026 1116293999 CMS
GlaxoSmithKline, LLC. $13.15 09/12/2024 Food and Beverage Undisputed 01/23/2026 1116703067 CMS
GlaxoSmithKline, LLC. $17.67 10/14/2024 Food and Beverage Undisputed 01/23/2026 1116357618 CMS
GlaxoSmithKline, LLC. $24.89 11/20/2024 Food and Beverage Undisputed 01/23/2026 1116473839 CMS
Kowa Pharmaceuticals America, Inc. $16.16 10/02/2024 Food and Beverage Undisputed 01/23/2026 1113464871 CMS
Lilly USA, LLC $29.84 02/14/2024 Food and Beverage Undisputed 01/23/2026 1136117147 CMS
Lilly USA, LLC $25.64 02/20/2024 Food and Beverage Undisputed 01/23/2026 1136103484 CMS
Lilly USA, LLC $7.42 04/10/2024 Food and Beverage Undisputed 01/23/2026 1136117149 CMS
Lilly USA, LLC $28.60 07/01/2024 Food and Beverage Undisputed 01/23/2026 1136124241 CMS
Lilly USA, LLC $18.17 10/23/2024 Food and Beverage Undisputed 01/23/2026 1136098928 CMS
Lilly USA, LLC $2.79 10/24/2024 Food and Beverage Undisputed 01/23/2026 1136103486 CMS
Lilly USA, LLC $20.73 10/24/2024 Food and Beverage Undisputed 01/23/2026 1136113818 CMS
Novo Nordisk Inc $20.46 01/04/2024 Food and Beverage Undisputed 01/23/2026 1097383477 CMS
Novo Nordisk Inc $24.03 02/14/2024 Food and Beverage Undisputed 01/23/2026 1096937029 CMS
Novo Nordisk Inc $21.80 03/20/2024 Food and Beverage Undisputed 01/23/2026 1096947651 CMS
Novo Nordisk Inc $23.78 04/10/2024 Food and Beverage Undisputed 01/23/2026 1097671268 CMS
Novo Nordisk Inc $21.58 05/22/2024 Food and Beverage Undisputed 01/23/2026 1097194444 CMS
Novo Nordisk Inc $18.74 06/18/2024 Food and Beverage Undisputed 01/23/2026 1097513885 CMS
Novo Nordisk Inc $21.80 07/18/2024 Food and Beverage Undisputed 01/23/2026 1097452806 CMS
Novo Nordisk Inc $20.00 08/07/2024 Food and Beverage Undisputed 01/23/2026 1097603302 CMS
Novo Nordisk Inc $29.86 09/17/2024 Food and Beverage Undisputed 01/23/2026 1096579437 CMS
Novo Nordisk Inc $5.64 10/02/2024 Food and Beverage Undisputed 01/23/2026 1097360974 CMS
Novo Nordisk Inc $16.67 10/16/2024 Food and Beverage Undisputed 01/23/2026 1097612959 CMS
Novo Nordisk Inc $21.94 11/13/2024 Food and Beverage Undisputed 01/23/2026 1096677692 CMS
PFIZER INC. $23.10 01/11/2024 Food and Beverage Undisputed 01/23/2026 1132028375 CMS
PFIZER INC. $25.00 04/03/2024 Food and Beverage Undisputed 01/23/2026 1132002751 CMS
PFIZER INC. $21.63 12/11/2024 Food and Beverage Undisputed 01/23/2026 1131418411 CMS
Seqirus USA Inc $16.33 10/16/2024 Food and Beverage Undisputed 01/23/2026 1125629020 CMS
Sumitomo Pharma America, Inc. $12.58 04/24/2024 Food and Beverage Undisputed 01/23/2026 1148836509 CMS
Sumitomo Pharma America, Inc. $23.79 04/24/2024 Food and Beverage Undisputed 01/23/2026 1148836511 CMS
Sumitomo Pharma America, Inc. $16.45 07/23/2024 Food and Beverage Undisputed 01/23/2026 1148836513 CMS
Sumitomo Pharma America, Inc. $27.56 07/24/2024 Food and Beverage Undisputed 01/23/2026 1148836515 CMS
Sumitomo Pharma America, Inc. $22.79 12/04/2024 Food and Beverage Undisputed 01/23/2026 1148836517 CMS
Sumitomo Pharma America, Inc. $28.78 12/18/2024 Food and Beverage Undisputed 01/23/2026 1148836519 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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