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

WEIJING SUN

Allopathic & Osteopathic Physicians Internal Medicine Medical Oncology

NPI
1811925316
CMS profile
173356
Location
WESTWOOD, KS

General Payments · PY2018–2024

$162,966.25

  • Reported across 151 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$37,294.52

31 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
Ipsen Biopharmaceuticals, Inc $22,528.26 16
Astellas Pharma US Inc $13,832.00 11
Acerta Pharma LLC $660.00 2
BeiGene USA, Inc. $274.26 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $46,398.07 49
PY2019 $25,818.10 24
PY2020 $1,593.08 3
PY2021 $2,185.86 3
PY2022 $16,940.23 10
PY2023 $32,736.39 31
PY2024 $37,294.52 31

Payment records · PY2024 (31)

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
Astellas Pharma US Inc $149.18 01/19/2024 Food and Beverage Undisputed 01/23/2026 1139376642 CMS
Astellas Pharma US Inc $118.99 02/22/2024 Food and Beverage Undisputed 01/23/2026 1139378826 CMS
Astellas Pharma US Inc $1,214.24 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1139386908 CMS
Astellas Pharma US Inc $4,500.00 02/22/2024 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 1139386910 CMS
Astellas Pharma US Inc $18.59 03/21/2024 Food and Beverage Undisputed 01/23/2026 1139378828 CMS
Astellas Pharma US Inc $94.61 03/21/2024 Food and Beverage Undisputed 01/23/2026 1139378830 CMS
Astellas Pharma US Inc $5,250.00 03/21/2024 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 1139386902 CMS
Astellas Pharma US Inc $938.30 03/21/2024 Travel and Lodging Undisputed 01/23/2026 1139386904 CMS
Astellas Pharma US Inc $541.44 03/21/2024 Travel and Lodging Undisputed 01/23/2026 1139386906 CMS
Astellas Pharma US Inc $608.67 03/21/2024 Travel and Lodging Undisputed 01/23/2026 1139386912 CMS
Astellas Pharma US Inc $397.98 03/21/2024 Travel and Lodging Undisputed 01/23/2026 1139386914 CMS
AstraZeneca Pharmaceuticals LP $135.00 01/19/2024 Food and Beverage Undisputed 01/23/2026 1104668883 CMS
AstraZeneca Pharmaceuticals LP $525.00 03/06/2024 Consulting Fee Undisputed 01/23/2026 1105749275 CMS
BeiGene USA, Inc. $140.76 06/02/2024 Food and Beverage Undisputed 01/23/2026 1120866494 CMS
BeiGene USA, Inc. $133.50 08/23/2024 Food and Beverage Undisputed 01/23/2026 1120866496 CMS
Ipsen Biopharmaceuticals, Inc $295.00 02/13/2024 Food and Beverage Undisputed 01/23/2026 1091979430 CMS
Ipsen Biopharmaceuticals, Inc $95.56 02/13/2024 Travel and Lodging Undisputed 01/23/2026 1091979434 CMS
Ipsen Biopharmaceuticals, Inc $5,220.00 02/13/2024 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 1091979436 CMS
Ipsen Biopharmaceuticals, Inc $125.00 03/01/2024 Food and Beverage Undisputed 01/23/2026 1091979408 CMS
Ipsen Biopharmaceuticals, Inc $650.19 03/01/2024 Travel and Lodging Undisputed 01/23/2026 1091979416 CMS
Ipsen Biopharmaceuticals, Inc $206.41 03/02/2024 Travel and Lodging Undisputed 01/23/2026 1091979406 CMS
Ipsen Biopharmaceuticals, Inc $40.00 03/02/2024 Food and Beverage Undisputed 01/23/2026 1091979410 CMS
Ipsen Biopharmaceuticals, Inc $65.00 03/02/2024 Food and Beverage Undisputed 01/23/2026 1091979412 CMS
Ipsen Biopharmaceuticals, Inc $65.00 03/02/2024 Food and Beverage Undisputed 01/23/2026 1091979414 CMS
Ipsen Biopharmaceuticals, Inc $5,220.00 05/21/2024 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 1091979418 CMS
Ipsen Biopharmaceuticals, Inc $149.15 05/21/2024 Food and Beverage Undisputed 01/23/2026 1091979420 CMS
Ipsen Biopharmaceuticals, Inc $120.35 06/21/2024 Food and Beverage Undisputed 01/23/2026 1091979422 CMS
Ipsen Biopharmaceuticals, Inc $3,915.00 06/21/2024 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 1091979426 CMS
Ipsen Biopharmaceuticals, Inc $128.69 10/06/2024 Food and Beverage Undisputed 01/23/2026 1091979424 CMS
Ipsen Biopharmaceuticals, Inc $6,090.00 10/06/2024 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 1091979428 CMS
Ipsen Biopharmaceuticals, Inc $142.91 10/06/2024 Travel and Lodging Undisputed 01/23/2026 1091979432 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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