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

WILLIAM W BUSSE

Allopathic & Osteopathic Physicians Internal Medicine Allergy & Immunology

NPI
1881661486
CMS profile
1128649
Location
MADISON, WI

General Payments · PY2018–2024

$1,115,360.42

  • Reported across 616 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$88,039.09

50 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
GENZYME CORPORATION $38,392.31 14
Regeneron Healthcare Solutions, Inc. $33,990.78 26
Regeneron Pharmaceuticals, Inc. $10,426.00 7
Alnylam Pharmaceuticals Inc. $1,830.00 1
SANOFI US SERVICES INC. $1,800.00 1
Incyte Corporation $1,600.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $244,518.45 139
PY2019 $289,846.51 183
PY2020 $133,335.42 53
PY2021 $158,718.20 85
PY2022 $84,795.62 36
PY2023 $116,107.13 70
PY2024 $88,039.09 50

Payment records · PY2024 (50)

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
Alnylam Pharmaceuticals Inc. $1,830.00 03/07/2024 Consulting Fee Undisputed 01/23/2026 1125848884 CMS
GENZYME CORPORATION $1,750.00 02/01/2024 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 1139842179 CMS
GENZYME CORPORATION $250.00 02/04/2024 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 1139842169 CMS
GENZYME CORPORATION $125.00 04/10/2024 Food and Beverage Undisputed 01/23/2026 1139842247 CMS
GENZYME CORPORATION $8,738.00 04/10/2024 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 1139842249 CMS
GENZYME CORPORATION $698.21 04/10/2024 Travel and Lodging Undisputed 01/23/2026 1139842251 CMS
GENZYME CORPORATION $885.32 04/10/2024 Travel and Lodging Undisputed 01/23/2026 1139842253 CMS
GENZYME CORPORATION $97.50 04/10/2024 Travel and Lodging Undisputed 01/23/2026 1139842255 CMS
GENZYME CORPORATION $123.28 04/11/2024 Food and Beverage Undisputed 01/23/2026 1139842231 CMS
GENZYME CORPORATION $3,146.00 04/11/2024 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 1139842233 CMS
GENZYME CORPORATION $97.50 04/11/2024 Travel and Lodging Undisputed 01/23/2026 1139842235 CMS
GENZYME CORPORATION $3,481.50 05/30/2024 Consulting Fee Undisputed 01/23/2026 1139842275 CMS
GENZYME CORPORATION $500.00 05/31/2024 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 1139842259 CMS
GENZYME CORPORATION $18,000.00 08/12/2024 Consulting Fee Undisputed 01/23/2026 1139842299 CMS
GENZYME CORPORATION $500.00 09/09/2024 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 1139842287 CMS
Incyte Corporation $1,600.00 01/09/2024 Consulting Fee Undisputed 01/23/2026 1141217248 CMS
Regeneron Healthcare Solutions, Inc. $451.20 01/06/2024 Travel and Lodging Undisputed 01/23/2026 1114017288 CMS
Regeneron Healthcare Solutions, Inc. $120.15 01/30/2024 Food and Beverage Undisputed 01/23/2026 1114017290 CMS
Regeneron Healthcare Solutions, Inc. $8,738.00 02/06/2024 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 1114017292 CMS
Regeneron Healthcare Solutions, Inc. $117.65 02/08/2024 Travel and Lodging Undisputed 01/23/2026 1114017294 CMS
Regeneron Healthcare Solutions, Inc. $117.65 02/08/2024 Travel and Lodging Undisputed 01/23/2026 1114017296 CMS
Regeneron Healthcare Solutions, Inc. $609.39 02/24/2024 Travel and Lodging Undisputed 01/23/2026 1114017298 CMS
Regeneron Healthcare Solutions, Inc. $359.30 03/23/2024 Travel and Lodging Undisputed 01/23/2026 1114017300 CMS
Regeneron Healthcare Solutions, Inc. $536.80 03/26/2024 Travel and Lodging Undisputed 01/23/2026 1114017302 CMS
Regeneron Healthcare Solutions, Inc. $97.50 03/26/2024 Travel and Lodging Undisputed 01/23/2026 1114017304 CMS
Regeneron Healthcare Solutions, Inc. $359.30 03/26/2024 Travel and Lodging Undisputed 01/23/2026 1114017306 CMS
Regeneron Healthcare Solutions, Inc. $1,048.50 05/28/2024 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 1114017308 CMS
Regeneron Healthcare Solutions, Inc. $86.80 06/21/2024 Food and Beverage Undisputed 01/23/2026 1114017310 CMS
Regeneron Healthcare Solutions, Inc. $214.63 06/22/2024 Travel and Lodging Undisputed 01/23/2026 1114017312 CMS
Regeneron Healthcare Solutions, Inc. $201.10 06/25/2024 Travel and Lodging Undisputed 01/23/2026 1114017314 CMS
Regeneron Healthcare Solutions, Inc. $8,738.00 06/27/2024 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 1114017316 CMS
Regeneron Healthcare Solutions, Inc. $742.95 07/06/2024 Travel and Lodging Undisputed 01/23/2026 1114017318 CMS
Regeneron Healthcare Solutions, Inc. $652.40 08/13/2024 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 1114017320 CMS
Regeneron Healthcare Solutions, Inc. $359.15 08/16/2024 Travel and Lodging Undisputed 01/23/2026 1114017322 CMS
Regeneron Healthcare Solutions, Inc. $131.40 09/06/2024 Food and Beverage Undisputed 01/23/2026 1114017324 CMS
Regeneron Healthcare Solutions, Inc. $163.83 09/09/2024 Travel and Lodging Undisputed 01/23/2026 1114017326 CMS
Regeneron Healthcare Solutions, Inc. $314.88 09/10/2024 Travel and Lodging Undisputed 01/23/2026 1114017328 CMS
Regeneron Healthcare Solutions, Inc. $8,738.00 09/12/2024 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 1114017330 CMS
Regeneron Healthcare Solutions, Inc. $195.00 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1114017332 CMS
Regeneron Healthcare Solutions, Inc. $702.20 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1114017334 CMS
Regeneron Healthcare Solutions, Inc. $97.50 11/12/2024 Travel and Lodging Undisputed 01/23/2026 1114017336 CMS
Regeneron Healthcare Solutions, Inc. $97.50 11/12/2024 Travel and Lodging Undisputed 01/23/2026 1114017338 CMS
Regeneron Pharmaceuticals, Inc. $1,312.00 01/26/2024 Consulting Fee Undisputed 01/23/2026 1114397116 CMS
Regeneron Pharmaceuticals, Inc. $328.00 01/26/2024 Consulting Fee Undisputed 01/23/2026 1114397118 CMS
Regeneron Pharmaceuticals, Inc. $2,624.00 01/26/2024 Consulting Fee Undisputed 01/23/2026 1114397120 CMS
Regeneron Pharmaceuticals, Inc. $1,398.00 07/26/2024 Consulting Fee Undisputed 01/23/2026 1114397122 CMS
Regeneron Pharmaceuticals, Inc. $2,796.00 07/26/2024 Consulting Fee Undisputed 01/23/2026 1114397124 CMS
Regeneron Pharmaceuticals, Inc. $1,312.00 10/25/2024 Consulting Fee Undisputed 01/23/2026 1114397126 CMS
Regeneron Pharmaceuticals, Inc. $656.00 10/25/2024 Consulting Fee Undisputed 01/23/2026 1114397128 CMS
SANOFI US SERVICES INC. $1,800.00 08/14/2024 Consulting Fee Undisputed 01/23/2026 1139842205 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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