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

DONALD F BUSIEK

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1295783363
CMS profile
149813
Location
CHESTERFIELD, MO

General Payments · PY2018–2024

$2,899.43

  • Reported across 181 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$447.22

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 $447.22 22

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,165.90 71
PY2019 $1,039.12 77
PY2020 $134.54 4
PY2021 $74.62 5
PY2023 $38.03 2
PY2024 $447.22 22

Payment records · PY2024 (22)

Sorted by paying entity, then date · as published by CMS

Program year 2024 20182019202020212023 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
Amgen Inc. $13.18 10/22/2024 Food and Beverage Undisputed 01/23/2026 1111540307 CMS
AstraZeneca Pharmaceuticals LP $19.84 05/02/2024 Food and Beverage Undisputed 01/23/2026 1104333226 CMS
AstraZeneca Pharmaceuticals LP $20.38 05/18/2024 Food and Beverage Undisputed 01/23/2026 1104258763 CMS
Daiichi Sankyo Inc. $15.45 07/18/2024 Food and Beverage Undisputed 01/23/2026 1089404816 CMS
Eisai Inc. $20.31 04/23/2024 Food and Beverage Undisputed 01/23/2026 1110742203 CMS
Eisai Inc. $20.28 05/31/2024 Food and Beverage Undisputed 01/23/2026 1110742205 CMS
EMD Serono, Inc. $25.07 06/13/2024 Food and Beverage Undisputed 01/23/2026 1120242997 CMS
Gilead Sciences, Inc. $21.28 06/03/2024 Food and Beverage Undisputed 01/23/2026 1133801068 CMS
GlaxoSmithKline, LLC. $18.39 08/01/2024 Food and Beverage Undisputed 01/23/2026 1116201599 CMS
Incyte Corporation $20.43 06/07/2024 Food and Beverage Undisputed 01/23/2026 1141199267 CMS
Incyte Corporation $22.25 09/05/2024 Food and Beverage Undisputed 01/23/2026 1141200353 CMS
Janssen Biotech, Inc. $24.37 05/15/2024 Food and Beverage Undisputed 01/23/2026 1078781264 CMS
JAZZ PHARMACEUTICALS INC. $21.19 11/26/2024 Food and Beverage Undisputed 01/23/2026 1150208514 CMS
Karyopharm Therapeutics Inc. $26.81 12/05/2024 Food and Beverage Undisputed 01/23/2026 1145529237 CMS
Novartis Pharmaceuticals Corporation $21.92 04/18/2024 Food and Beverage Undisputed 01/23/2026 1086744391 CMS
Novartis Pharmaceuticals Corporation $21.54 11/08/2024 Food and Beverage Undisputed 01/23/2026 1086744399 CMS
PFIZER INC. $14.82 12/17/2024 Food and Beverage Undisputed 01/23/2026 1131264047 CMS
PUMA BIOTECHNOLOGY, INC. $14.95 05/14/2024 Food and Beverage Undisputed 01/23/2026 1113842400 CMS
Regeneron Healthcare Solutions, Inc. $17.14 09/03/2024 Food and Beverage Undisputed 01/23/2026 1114017276 CMS
Regeneron Healthcare Solutions, Inc. $21.99 12/06/2024 Food and Beverage Undisputed 01/23/2026 1114017278 CMS
TAIHO ONCOLOGY, INC. $17.51 12/13/2024 Food and Beverage Undisputed 01/23/2026 1137940144 CMS
Takeda Pharmaceuticals U.S.A., Inc. $28.12 05/21/2024 Food and Beverage Undisputed 01/23/2026 1144954431 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, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.