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

WINSON TAM ONG

Eye and Vision Services Providers Optometrist

NPI
1821132143
CMS profile
614308
Location
BRENTWOOD, CA

General Payments · PY2018–2024

$28,239.41

  • Reported across 137 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$643.58

8 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 $597.38 7
Entertainment $46.20 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Alcon Laboratories Inc $295.91 3
Bausch & Lomb Americas Inc. $248.58 2
CooperVision Inc. $52.89 2
OPTOS, INC. $46.20 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,135.49 25
PY2019 $2,760.71 29
PY2020 $1,377.11 9
PY2021 $14,780.53 39
PY2022 $5,586.69 14
PY2023 $1,955.30 13
PY2024 $643.58 8

Payment records · PY2024 (8)

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
Alcon Vision LLC $33.15 01/11/2024 Food and Beverage Undisputed 01/23/2026 1110629474 CMS
Alcon Vision LLC $123.27 05/01/2024 Food and Beverage Undisputed 01/23/2026 1110629476 CMS
Alcon Vision LLC $139.49 06/20/2024 Food and Beverage Undisputed 01/23/2026 1110629478 CMS
Bausch & Lomb Americas Inc. $123.59 03/05/2024 Food and Beverage Undisputed 01/23/2026 1140468379 CMS
Bausch & Lomb Americas Inc. $124.99 06/26/2024 Food and Beverage Undisputed 01/23/2026 1140468377 CMS
CooperVision Inc. $36.45 03/12/2024 Food and Beverage Undisputed 01/23/2026 1145468987 CMS
CooperVision Inc. $16.44 12/19/2024 Food and Beverage Undisputed 01/23/2026 1145469039 CMS
Optos, Inc. $46.20 05/22/2024 Entertainment Undisputed 01/23/2026 1141504506 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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