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

KAMMAN CHAN

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI
1073766259
CMS profile
10493381
Location
NEW YORK, NY

General Payments · PY2021–2024

$2,671.66

  • Reported across 110 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$640.80

33 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 $640.80 33

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $1,194.83 40
PY2022 $195.39 10
PY2023 $640.64 27
PY2024 $640.80 33

Payment records · PY2024 (33)

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
Abbott Laboratories $21.74 03/11/2024 Food and Beverage Undisputed 01/23/2026 1124827574 CMS
Abbott Laboratories $22.94 05/02/2024 Food and Beverage Undisputed 01/23/2026 1124827576 CMS
ABIOMED $38.08 10/17/2024 Food and Beverage Undisputed 01/23/2026 1142299815 CMS
Amgen Inc. $18.88 06/21/2024 Food and Beverage Undisputed 01/23/2026 1117221202 CMS
Amgen Inc. $20.21 08/19/2024 Food and Beverage Undisputed 01/23/2026 1117221204 CMS
AstraZeneca Pharmaceuticals LP $15.81 02/15/2024 Food and Beverage Undisputed 01/23/2026 1105535218 CMS
AstraZeneca Pharmaceuticals LP $20.73 04/10/2024 Food and Beverage Undisputed 01/23/2026 1104368719 CMS
AstraZeneca Pharmaceuticals LP $20.70 05/09/2024 Food and Beverage Undisputed 01/23/2026 1105843737 CMS
AstraZeneca Pharmaceuticals LP $21.47 07/29/2024 Food and Beverage Undisputed 01/23/2026 1104402131 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $14.61 02/28/2024 Food and Beverage Undisputed 01/23/2026 1117863012 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $15.97 12/09/2024 Food and Beverage Undisputed 01/23/2026 1117863014 CMS
Chiesi USA, Inc. $18.93 03/01/2024 Food and Beverage Undisputed 01/23/2026 1151828096 CMS
Chiesi USA, Inc. $18.69 09/17/2024 Food and Beverage Undisputed 01/23/2026 1151828101 CMS
Chiesi USA, Inc. $16.90 10/07/2024 Food and Beverage Undisputed 01/23/2026 1151828105 CMS
E.R. Squibb & Sons, L.L.C. $19.90 06/24/2024 Food and Beverage Undisputed 01/23/2026 1101366884 CMS
E.R. Squibb & Sons, L.L.C. $31.18 11/15/2024 Food and Beverage Undisputed 01/23/2026 1101366898 CMS
Janssen Pharmaceuticals, Inc $16.28 01/31/2024 Food and Beverage Undisputed 01/23/2026 1078115814 CMS
Janssen Pharmaceuticals, Inc $20.82 04/02/2024 Food and Beverage Undisputed 01/23/2026 1078115254 CMS
Janssen Pharmaceuticals, Inc $20.74 08/20/2024 Food and Beverage Undisputed 01/23/2026 1078114510 CMS
Kiniksa Pharmaceuticals International, plc $18.34 09/26/2024 Food and Beverage Undisputed 01/23/2026 1154878174 CMS
Medtronic, Inc. $23.80 03/21/2024 Food and Beverage Undisputed 01/23/2026 1116901608 CMS
Medtronic, Inc. $21.03 05/09/2024 Food and Beverage Undisputed 01/23/2026 1116901610 CMS
Novartis Pharmaceuticals Corporation $13.34 06/22/2024 Food and Beverage Undisputed 01/23/2026 1086731219 CMS
Novartis Pharmaceuticals Corporation $21.18 07/12/2024 Food and Beverage Undisputed 01/23/2026 1086731217 CMS
Novartis Pharmaceuticals Corporation $14.10 08/06/2024 Food and Beverage Undisputed 01/23/2026 1086731221 CMS
Novartis Pharmaceuticals Corporation $15.27 09/12/2024 Food and Beverage Undisputed 01/23/2026 1086731223 CMS
Novartis Pharmaceuticals Corporation $15.06 10/11/2024 Food and Beverage Undisputed 01/23/2026 1086731225 CMS
Novartis Pharmaceuticals Corporation $17.57 11/15/2024 Food and Beverage Undisputed 01/23/2026 1086731227 CMS
Novartis Pharmaceuticals Corporation $19.31 12/14/2024 Food and Beverage Undisputed 01/23/2026 1086731229 CMS
PFIZER INC. $16.61 04/29/2024 Food and Beverage Undisputed 01/23/2026 1131710867 CMS
PFIZER INC. $14.85 06/03/2024 Food and Beverage Undisputed 01/23/2026 1131622994 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $12.55 05/09/2024 Food and Beverage Undisputed 01/23/2026 1080637272 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $23.21 11/06/2024 Food and Beverage Undisputed 01/23/2026 1080637274 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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