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

DON A BUKSTEIN

Allopathic & Osteopathic Physicians Allergy & Immunology

NPI
1174572861
CMS profile
1165341
Location
FITCHBURG, WI

General Payments · PY2018–2024

$447,106.09

  • Reported across 544 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$26,347.42

35 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
Regeneron Healthcare Solutions, Inc. $26,048.98 31
Acerta Pharma LLC $139.75 2
Genentech USA, Inc. $101.64 1
GENZYME CORPORATION $57.05 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $195,784.08 203
PY2019 $118,911.01 152
PY2020 $11,798.07 15
PY2021 $20,244.15 20
PY2022 $22,943.12 35
PY2023 $51,078.24 84
PY2024 $26,347.42 35

Payment records · PY2024 (35)

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 $125.01 03/27/2024 Food and Beverage Undisputed 01/23/2026 1105857074 CMS
AstraZeneca Pharmaceuticals LP $14.74 06/27/2024 Food and Beverage Undisputed 01/23/2026 1105620999 CMS
Genentech USA, Inc. $101.64 01/06/2024 Food and Beverage Undisputed 01/23/2026 1133002674 CMS
GENZYME CORPORATION $57.05 06/01/2024 Food and Beverage Undisputed 01/23/2026 1139572430 CMS
Regeneron Healthcare Solutions, Inc. $33.00 01/04/2024 Travel and Lodging Undisputed 01/23/2026 1114016360 CMS
Regeneron Healthcare Solutions, Inc. $18.00 01/04/2024 Travel and Lodging Undisputed 01/23/2026 1114016362 CMS
Regeneron Healthcare Solutions, Inc. $9.52 01/04/2024 Food and Beverage Undisputed 01/23/2026 1114016364 CMS
Regeneron Healthcare Solutions, Inc. $15.27 01/04/2024 Food and Beverage Undisputed 01/23/2026 1114016366 CMS
Regeneron Healthcare Solutions, Inc. $16.90 01/16/2024 Food and Beverage Undisputed 01/23/2026 1114016368 CMS
Regeneron Healthcare Solutions, Inc. $7.71 01/16/2024 Food and Beverage Undisputed 01/23/2026 1114016370 CMS
Regeneron Healthcare Solutions, Inc. $45.66 01/16/2024 Food and Beverage Undisputed 01/23/2026 1114016372 CMS
Regeneron Healthcare Solutions, Inc. $19.65 01/16/2024 Travel and Lodging Undisputed 01/23/2026 1114016374 CMS
Regeneron Healthcare Solutions, Inc. $19.65 01/16/2024 Travel and Lodging Undisputed 01/23/2026 1114016376 CMS
Regeneron Healthcare Solutions, Inc. $29.28 02/01/2024 Food and Beverage Undisputed 01/23/2026 1114016378 CMS
Regeneron Healthcare Solutions, Inc. $6,663.00 02/20/2024 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 1114016380 CMS
Regeneron Healthcare Solutions, Inc. $37.74 02/27/2024 Travel and Lodging Undisputed 01/23/2026 1114016382 CMS
Regeneron Healthcare Solutions, Inc. $72.56 02/27/2024 Travel and Lodging Undisputed 01/23/2026 1114016384 CMS
Regeneron Healthcare Solutions, Inc. $11.00 02/27/2024 Travel and Lodging Undisputed 01/23/2026 1114016386 CMS
Regeneron Healthcare Solutions, Inc. $6.38 02/27/2024 Food and Beverage Undisputed 01/23/2026 1114016388 CMS
Regeneron Healthcare Solutions, Inc. $1,865.50 04/04/2024 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 1114016390 CMS
Regeneron Healthcare Solutions, Inc. $799.50 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 1114016392 CMS
Regeneron Healthcare Solutions, Inc. $1,447.96 08/17/2024 Travel and Lodging Undisputed 01/23/2026 1114016394 CMS
Regeneron Healthcare Solutions, Inc. $35.64 09/13/2024 Food and Beverage Undisputed 01/23/2026 1114016396 CMS
Regeneron Healthcare Solutions, Inc. $119.84 09/26/2024 Food and Beverage Undisputed 01/23/2026 1114016398 CMS
Regeneron Healthcare Solutions, Inc. $237.89 09/27/2024 Travel and Lodging Undisputed 01/23/2026 1114016400 CMS
Regeneron Healthcare Solutions, Inc. $832.20 10/01/2024 Travel and Lodging Undisputed 01/23/2026 1114016402 CMS
Regeneron Healthcare Solutions, Inc. $902.95 10/16/2024 Travel and Lodging Undisputed 01/23/2026 1114016404 CMS
Regeneron Healthcare Solutions, Inc. $6,663.00 10/24/2024 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 1114016406 CMS
Regeneron Healthcare Solutions, Inc. $284.70 11/09/2024 Travel and Lodging Undisputed 01/23/2026 1114016408 CMS
Regeneron Healthcare Solutions, Inc. $186.03 11/09/2024 Travel and Lodging Undisputed 01/23/2026 1114016410 CMS
Regeneron Healthcare Solutions, Inc. $20.00 11/12/2024 Travel and Lodging Undisputed 01/23/2026 1114016412 CMS
Regeneron Healthcare Solutions, Inc. $18.59 11/12/2024 Food and Beverage Undisputed 01/23/2026 1114016414 CMS
Regeneron Healthcare Solutions, Inc. $13.88 11/12/2024 Food and Beverage Undisputed 01/23/2026 1114016416 CMS
Regeneron Healthcare Solutions, Inc. $18.98 11/12/2024 Food and Beverage Undisputed 01/23/2026 1114016418 CMS
Regeneron Healthcare Solutions, Inc. $5,597.00 11/14/2024 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 1114016420 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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