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

MELISSA M CHAN

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1417912031
CMS profile
18525
Location
NEW YORK, NY

General Payments · PY2018–2024

$10,054.44

  • Reported across 361 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,047.92

57 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 $2,031.39 56
Education $16.53 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,526.38 47
PY2019 $1,342.92 51
PY2020 $1,120.06 56
PY2021 $1,770.96 74
PY2022 $1,045.55 39
PY2023 $1,200.65 37
PY2024 $2,047.92 57

Payment records · PY2024 (57)

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. $24.90 01/26/2024 Food and Beverage Undisputed 01/23/2026 1103438074 CMS
ABBVIE INC. $27.34 03/19/2024 Food and Beverage Undisputed 01/23/2026 1103438076 CMS
ABBVIE INC. $24.16 04/29/2024 Food and Beverage Undisputed 01/23/2026 1103438078 CMS
ABBVIE INC. $27.71 06/03/2024 Food and Beverage Undisputed 01/23/2026 1103438080 CMS
ABBVIE INC. $24.08 06/06/2024 Food and Beverage Undisputed 01/23/2026 1103438082 CMS
ABBVIE INC. $24.63 07/15/2024 Food and Beverage Undisputed 01/23/2026 1103438084 CMS
ABBVIE INC. $25.16 08/01/2024 Food and Beverage Undisputed 01/23/2026 1103438086 CMS
ABBVIE INC. $4.32 08/22/2024 Food and Beverage Undisputed 01/23/2026 1103438088 CMS
ABBVIE INC. $24.25 09/09/2024 Food and Beverage Undisputed 01/23/2026 1103438090 CMS
ABBVIE INC. $30.00 10/10/2024 Food and Beverage Undisputed 01/23/2026 1103438092 CMS
ABBVIE INC. $150.00 11/26/2024 Food and Beverage Undisputed 01/23/2026 1103438094 CMS
Agios Pharmaceuticals, Inc. $16.53 10/02/2024 Education Undisputed 01/23/2026 1149644285 CMS
Amgen Inc. $19.64 03/28/2024 Food and Beverage Undisputed 01/23/2026 1115490049 CMS
Amgen Inc. $29.79 03/28/2024 Food and Beverage Undisputed 01/23/2026 1115490056 CMS
AngioDynamics, Inc. $135.48 04/25/2024 Food and Beverage Undisputed 01/23/2026 1095070284 CMS
AngioDynamics, Inc. $125.00 11/07/2024 Food and Beverage Undisputed 01/23/2026 1095070288 CMS
AstraZeneca Pharmaceuticals LP $24.49 01/16/2024 Food and Beverage Undisputed 01/23/2026 1104404077 CMS
AstraZeneca Pharmaceuticals LP $24.08 01/25/2024 Food and Beverage Undisputed 01/23/2026 1105837701 CMS
AstraZeneca Pharmaceuticals LP $125.00 01/31/2024 Food and Beverage Undisputed 01/23/2026 1105749197 CMS
AstraZeneca Pharmaceuticals LP $22.73 02/08/2024 Food and Beverage Undisputed 01/23/2026 1105683297 CMS
AstraZeneca Pharmaceuticals LP $21.35 02/13/2024 Food and Beverage Undisputed 01/23/2026 1104659823 CMS
AstraZeneca Pharmaceuticals LP $21.43 03/19/2024 Food and Beverage Undisputed 01/23/2026 1104576288 CMS
AstraZeneca Pharmaceuticals LP $22.61 03/26/2024 Food and Beverage Undisputed 01/23/2026 1104315136 CMS
AstraZeneca Pharmaceuticals LP $20.52 04/02/2024 Food and Beverage Undisputed 01/23/2026 1105895056 CMS
AstraZeneca Pharmaceuticals LP $24.12 04/09/2024 Food and Beverage Undisputed 01/23/2026 1104381827 CMS
AstraZeneca Pharmaceuticals LP $23.72 04/24/2024 Food and Beverage Undisputed 01/23/2026 1105612085 CMS
AstraZeneca Pharmaceuticals LP $24.20 04/25/2024 Food and Beverage Undisputed 01/23/2026 1104711175 CMS
AstraZeneca Pharmaceuticals LP $17.04 05/14/2024 Food and Beverage Undisputed 01/23/2026 1104666263 CMS
AstraZeneca Pharmaceuticals LP $23.97 05/16/2024 Food and Beverage Undisputed 01/23/2026 1104229053 CMS
AstraZeneca Pharmaceuticals LP $21.38 06/06/2024 Food and Beverage Undisputed 01/23/2026 1105545005 CMS
AstraZeneca Pharmaceuticals LP $23.81 06/11/2024 Food and Beverage Undisputed 01/23/2026 1104426539 CMS
AstraZeneca Pharmaceuticals LP $24.92 07/02/2024 Food and Beverage Undisputed 01/23/2026 1105548141 CMS
AstraZeneca Pharmaceuticals LP $22.55 07/12/2024 Food and Beverage Undisputed 01/23/2026 1104730843 CMS
AstraZeneca Pharmaceuticals LP $18.36 09/16/2024 Food and Beverage Undisputed 01/23/2026 1105821573 CMS
AstraZeneca Pharmaceuticals LP $21.33 09/23/2024 Food and Beverage Undisputed 01/23/2026 1105355346 CMS
AstraZeneca Pharmaceuticals LP $18.37 10/15/2024 Food and Beverage Undisputed 01/23/2026 1105707762 CMS
AstraZeneca Pharmaceuticals LP $24.92 10/22/2024 Food and Beverage Undisputed 01/23/2026 1105604943 CMS
AstraZeneca Pharmaceuticals LP $23.49 11/14/2024 Food and Beverage Undisputed 01/23/2026 1104371347 CMS
AstraZeneca Pharmaceuticals LP $19.33 12/05/2024 Food and Beverage Undisputed 01/23/2026 1104507418 CMS
Azurity Pharmaceuticals, Inc. $17.16 06/27/2024 Food and Beverage Undisputed 01/23/2026 1134004069 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $20.60 01/18/2024 Food and Beverage Undisputed 01/23/2026 1118001775 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $24.15 02/06/2024 Food and Beverage Undisputed 01/23/2026 1118001777 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $28.06 05/09/2024 Food and Beverage Undisputed 01/23/2026 1118001779 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $19.08 09/12/2024 Food and Beverage Undisputed 01/23/2026 1118001773 CMS
Gilead Sciences, Inc. $31.37 01/30/2024 Food and Beverage Undisputed 01/23/2026 1133752335 CMS
Gilead Sciences, Inc. $28.03 04/18/2024 Food and Beverage Undisputed 01/23/2026 1133752337 CMS
Gilead Sciences, Inc. $8.17 06/27/2024 Food and Beverage Undisputed 01/23/2026 1133752339 CMS
Gilead Sciences, Inc. $27.08 07/17/2024 Food and Beverage Undisputed 01/23/2026 1133752341 CMS
Gilead Sciences, Inc. $17.85 09/05/2024 Food and Beverage Undisputed 01/23/2026 1133752343 CMS
Gilead Sciences, Inc. $22.10 10/29/2024 Food and Beverage Undisputed 01/23/2026 1133752345 CMS
Gilead Sciences, Inc. $24.32 11/12/2024 Food and Beverage Undisputed 01/23/2026 1133752347 CMS
Gilead Sciences, Inc. $23.94 12/10/2024 Food and Beverage Undisputed 01/23/2026 1133752349 CMS
GlaxoSmithKline, LLC. $20.52 02/05/2024 Food and Beverage Undisputed 01/23/2026 1116321873 CMS
GlaxoSmithKline, LLC. $125.00 03/15/2024 Food and Beverage Undisputed 01/23/2026 1115885202 CMS
GlaxoSmithKline, LLC. $125.00 04/16/2024 Food and Beverage Undisputed 01/23/2026 1116255386 CMS
GlaxoSmithKline, LLC. $136.09 09/26/2024 Food and Beverage Undisputed 01/23/2026 1116661055 CMS
Phathom Pharmaceuticals, Inc. $22.69 11/18/2024 Food and Beverage Undisputed 01/23/2026 1151047536 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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