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

STEPHEN TSANG

Allopathic & Osteopathic Physicians Ophthalmology

NPI
1972648707
CMS profile
362005
Location
NEW YORK, NY

General Payments · PY2018–2024

$294,717.65

  • Reported across 45 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$9,149.27

7 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

Paying entityAmountRecords
Alcon Research LLC $5,687.61 2
Janssen Global Services, LLC $1,480.00 1
Alcon Laboratories Inc $1,401.66 3
Insmed, Inc. $580.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $250,715.03 5
PY2019 $5,131.70 3
PY2020 $12.57 1
PY2022 $19,256.75 18
PY2023 $10,452.33 11
PY2024 $9,149.27 7

Payment records · PY2024 (7)

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

Program year 2024 20182019202020222023 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
Alcon Research LLC $5,000.00 03/27/2024 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 1089700959 CMS
Alcon Research LLC $687.61 10/04/2024 Travel and Lodging Undisputed 01/23/2026 1089700957 CMS
Alcon Vision LLC $386.50 10/04/2024 Travel and Lodging Undisputed 01/23/2026 1110528129 CMS
Alcon Vision LLC $524.76 10/04/2024 Travel and Lodging Undisputed 01/23/2026 1110528131 CMS
Alcon Vision LLC $490.40 10/04/2024 Food and Beverage Undisputed 01/23/2026 1110677583 CMS
Insmed, Inc. $580.00 07/30/2024 Consulting Fee Undisputed 01/23/2026 1089567625 CMS
Janssen Global Services, LLC $1,480.00 08/09/2024 Consulting Fee Undisputed 01/23/2026 1077592015 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, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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