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

HAI SUN

Allopathic & Osteopathic Physicians Neurological Surgery

NPI
1952507774
CMS profile
361526
Location
NEW BRUNSWICK, NJ

General Payments · PY2018–2024

$7,168.24

  • Reported across 79 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,924.55

22 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 $1,989.96 19
Travel and Lodging $934.59 3

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
NEUROPACE, INC. $1,551.27 7
BOSTON SCIENTIFIC CORPORATION $264.94 2
Medtronic, Inc. $198.90 4
Acerta Pharma LLC $165.56 2
Imperative Care, INc $157.96 1
MicroVention, Inc. $148.22 1
DePuy Synthes Sales Inc. $132.23 2
Stryker Corporation $123.74 1
ClearPoint Neuro, Inc. $102.75 1
Penumbra, Inc. $78.98 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $661.47 16
PY2019 $2,408.13 25
PY2020 $122.51 3
PY2021 $29.25 2
PY2022 $228.26 3
PY2023 $794.07 8
PY2024 $2,924.55 22

Payment records · PY2024 (22)

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
AstraZeneca Pharmaceuticals LP $31.13 03/26/2024 Food and Beverage Undisputed 01/23/2026 1104440037 CMS
AstraZeneca Pharmaceuticals LP $134.43 07/17/2024 Food and Beverage Undisputed 01/23/2026 1105851566 CMS
Boston Scientific Corporation $139.94 09/03/2024 Food and Beverage Undisputed 01/23/2026 1092266808 CMS
Boston Scientific Corporation $125.00 09/06/2024 Food and Beverage Undisputed 01/23/2026 1092266806 CMS
ClearPoint Neuro, Inc. $102.75 11/05/2024 Food and Beverage Undisputed 01/23/2026 1144935836 CMS
DePuy Synthes Sales Inc. $20.45 01/29/2024 Food and Beverage Undisputed 01/23/2026 1077873131 CMS
DePuy Synthes Sales Inc. $111.78 02/12/2024 Food and Beverage Undisputed 01/23/2026 1077873128 CMS
Imperative Care, Inc $157.96 01/19/2024 Food and Beverage Undisputed 01/23/2026 1144209283 CMS
Medtronic, Inc. $16.67 01/09/2024 Food and Beverage Undisputed 01/23/2026 1119563854 CMS
Medtronic, Inc. $69.16 01/17/2024 Food and Beverage Undisputed 01/23/2026 1119563856 CMS
Medtronic, Inc. $89.67 01/24/2024 Food and Beverage Undisputed 01/23/2026 1119563852 CMS
Medtronic, Inc. $23.40 10/23/2024 Food and Beverage Undisputed 01/23/2026 1119563858 CMS
MicroVention, Inc. $148.22 08/15/2024 Food and Beverage Undisputed 01/23/2026 1153783031 CMS
NEUROPACE, INC. $501.20 03/05/2024 Travel and Lodging Undisputed 01/23/2026 1153273772 CMS
NEUROPACE, INC. $159.93 03/15/2024 Food and Beverage Undisputed 01/23/2026 1153273782 CMS
NEUROPACE, INC. $106.82 03/15/2024 Travel and Lodging Undisputed 01/23/2026 1153273812 CMS
NEUROPACE, INC. $326.57 03/16/2024 Travel and Lodging Undisputed 01/23/2026 1153273780 CMS
NEUROPACE, INC. $185.28 03/16/2024 Food and Beverage Undisputed 01/23/2026 1153273784 CMS
NEUROPACE, INC. $88.59 08/29/2024 Food and Beverage Undisputed 01/23/2026 1153273730 CMS
NEUROPACE, INC. $182.88 12/07/2024 Food and Beverage Undisputed 01/23/2026 1153273666 CMS
Penumbra, Inc. $78.98 01/05/2024 Food and Beverage Undisputed 01/23/2026 1076225206 CMS
Stryker Corporation $123.74 08/07/2024 Food and Beverage Undisputed 01/23/2026 1119992681 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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