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

LOK YUN SUNG

Allopathic & Osteopathic Physicians Radiology Vascular & Interventional Radiology

NPI
1720221369
CMS profile
867639
Location
STONY BROOK, NY

General Payments · PY2018–2024

$7,611.56

  • Reported across 97 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,660.69

34 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
Travel and Lodging $1,867.37 6
Food and Beverage $1,793.32 28

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Penumbra, Inc. $2,537.13 14
BOSTON SCIENTIFIC CORPORATION $562.41 7
Inari Medical, Inc. $200.10 6
Cook Medical LLC $171.15 4
Terumo Medical Corporation $166.98 2
Stryker Corporation $22.92 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $822.19 6
PY2019 $145.77 2
PY2020 $275.81 2
PY2021 $172.30 6
PY2022 $1,378.24 23
PY2023 $1,156.56 24
PY2024 $3,660.69 34

Payment records · PY2024 (34)

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
Boston Scientific Corporation $12.00 01/10/2024 Food and Beverage Undisputed 01/23/2026 1092292207 CMS
Boston Scientific Corporation $137.43 01/10/2024 Food and Beverage Undisputed 01/23/2026 1092292217 CMS
Boston Scientific Corporation $52.03 05/24/2024 Food and Beverage Undisputed 01/23/2026 1092292213 CMS
Boston Scientific Corporation $126.63 08/02/2024 Food and Beverage Undisputed 01/23/2026 1092292215 CMS
Boston Scientific Corporation $150.61 09/12/2024 Food and Beverage Undisputed 01/23/2026 1092292219 CMS
Boston Scientific Corporation $42.59 09/23/2024 Food and Beverage Undisputed 01/23/2026 1092292211 CMS
Boston Scientific Corporation $41.12 11/09/2024 Food and Beverage Undisputed 01/23/2026 1092292209 CMS
Cook Medical LLC $21.39 02/04/2024 Food and Beverage Undisputed 01/23/2026 1118338557 CMS
Cook Medical LLC $21.97 03/11/2024 Food and Beverage Undisputed 01/23/2026 1118331873 CMS
Cook Medical LLC $102.52 03/25/2024 Food and Beverage Undisputed 01/23/2026 1118342579 CMS
Cook Medical LLC $25.27 08/08/2024 Food and Beverage Undisputed 01/23/2026 1118329404 CMS
Inari Medical, Inc. $24.54 03/20/2024 Food and Beverage Undisputed 01/23/2026 1140168578 CMS
Inari Medical, Inc. $79.92 04/17/2024 Food and Beverage Undisputed 01/23/2026 1140168580 CMS
Inari Medical, Inc. $43.79 05/16/2024 Food and Beverage Undisputed 01/23/2026 1140168582 CMS
Inari Medical, Inc. $12.33 07/12/2024 Food and Beverage Undisputed 01/23/2026 1140168584 CMS
Inari Medical, Inc. $21.03 11/06/2024 Food and Beverage Undisputed 01/23/2026 1140168586 CMS
Inari Medical, Inc. $18.49 12/17/2024 Food and Beverage Undisputed 01/23/2026 1140168588 CMS
Penumbra, Inc. $81.11 01/19/2024 Food and Beverage Undisputed 01/23/2026 1076219610 CMS
Penumbra, Inc. $800.99 01/19/2024 Travel and Lodging Undisputed 01/23/2026 1076229962 CMS
Penumbra, Inc. $134.66 01/20/2024 Food and Beverage Undisputed 01/23/2026 1076219612 CMS
Penumbra, Inc. $840.72 01/20/2024 Travel and Lodging Undisputed 01/23/2026 1076228386 CMS
Penumbra, Inc. $293.10 01/20/2024 Food and Beverage Undisputed 01/23/2026 1076228892 CMS
Penumbra, Inc. $57.91 01/20/2024 Travel and Lodging Undisputed 01/23/2026 1076229234 CMS
Penumbra, Inc. $65.00 01/20/2024 Travel and Lodging Undisputed 01/23/2026 1076229300 CMS
Penumbra, Inc. $53.81 01/20/2024 Travel and Lodging Undisputed 01/23/2026 1076229444 CMS
Penumbra, Inc. $48.94 01/20/2024 Travel and Lodging Undisputed 01/23/2026 1076229464 CMS
Penumbra, Inc. $16.68 02/16/2024 Food and Beverage Undisputed 01/23/2026 1076219614 CMS
Penumbra, Inc. $92.42 03/25/2024 Food and Beverage Undisputed 01/23/2026 1076219616 CMS
Penumbra, Inc. $12.91 04/10/2024 Food and Beverage Undisputed 01/23/2026 1076219618 CMS
Penumbra, Inc. $15.65 05/03/2024 Food and Beverage Undisputed 01/23/2026 1076219620 CMS
Penumbra, Inc. $23.23 10/14/2024 Food and Beverage Undisputed 01/23/2026 1125866417 CMS
Stryker Corporation $22.92 06/04/2024 Food and Beverage Undisputed 01/23/2026 1119992801 CMS
Terumo Medical Corporation $42.21 10/25/2024 Food and Beverage Undisputed 01/23/2026 1151770708 CMS
Terumo Medical Corporation $124.77 10/25/2024 Food and Beverage Undisputed 01/23/2026 1151770710 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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