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

JOHN FRANCIS GREHAN

Allopathic & Osteopathic Physicians Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI
1275549784
CMS profile
238932
Location
SIOUX FALLS, SD

General Payments · PY2018–2024

$152,385.13

  • Reported across 210 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$46,072.59

32 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
Royalty or License $43,056.69 4
Travel and Lodging $1,694.75 4
Food and Beverage $1,321.15 24

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Zimmer Biomet Holdings, Inc. $43,299.89 7
ATRICURE, INC. $2,546.32 17
ABIOMED $93.58 3
BECTON, DICKINSON AND COMPANY $33.96 1
Smith & Nephew, Inc. $33.70 1
LSI SOLUTIONS INC $25.91 1
Edwards Lifesciences Corporation $22.85 1
Amgen Inc. $16.38 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $6,245.71 45
PY2019 $16,223.57 36
PY2020 $35,639.12 42
PY2021 $14,005.95 19
PY2022 $512.55 11
PY2023 $33,685.64 25
PY2024 $46,072.59 32

Payment records · PY2024 (32)

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
ABIOMED $28.20 04/04/2024 Food and Beverage Undisputed 01/23/2026 1142262867 CMS
ABIOMED $30.35 04/24/2024 Food and Beverage Undisputed 01/23/2026 1142262851 CMS
ABIOMED $35.03 06/12/2024 Food and Beverage Undisputed 01/23/2026 1142262899 CMS
Amgen Inc. $16.38 09/16/2024 Food and Beverage Undisputed 01/23/2026 1111589440 CMS
ATRICURE, INC. $52.61 01/02/2024 Food and Beverage Undisputed 01/23/2026 1132876287 CMS
ATRICURE, INC. $19.77 04/04/2024 Food and Beverage Undisputed 01/23/2026 1132880765 CMS
ATRICURE, INC. $88.73 05/30/2024 Food and Beverage Undisputed 01/23/2026 1132879353 CMS
ATRICURE, INC. $83.68 07/31/2024 Food and Beverage Undisputed 01/23/2026 1132891089 CMS
ATRICURE, INC. $31.32 08/26/2024 Food and Beverage Undisputed 01/23/2026 1132897858 CMS
ATRICURE, INC. $122.66 09/24/2024 Food and Beverage Undisputed 01/23/2026 1132895504 CMS
ATRICURE, INC. $38.74 11/06/2024 Food and Beverage Undisputed 01/23/2026 1132889488 CMS
ATRICURE, INC. $604.00 11/12/2024 Travel and Lodging Undisputed 01/23/2026 1132854578 CMS
ATRICURE, INC. $604.00 11/12/2024 Travel and Lodging Undisputed 01/23/2026 1132903190 CMS
ATRICURE, INC. $197.24 12/06/2024 Food and Beverage Undisputed 01/23/2026 1132882352 CMS
ATRICURE, INC. $23.05 12/06/2024 Food and Beverage Undisputed 01/23/2026 1132899822 CMS
ATRICURE, INC. $66.52 12/07/2024 Food and Beverage Undisputed 01/23/2026 1132890482 CMS
ATRICURE, INC. $24.06 12/07/2024 Food and Beverage Undisputed 01/23/2026 1132890652 CMS
ATRICURE, INC. $79.71 12/07/2024 Food and Beverage Undisputed 01/23/2026 1132891037 CMS
ATRICURE, INC. $326.57 12/07/2024 Travel and Lodging Undisputed 01/23/2026 1132891701 CMS
ATRICURE, INC. $23.48 12/08/2024 Food and Beverage Undisputed 01/23/2026 1132899754 CMS
ATRICURE, INC. $160.18 12/10/2024 Travel and Lodging Undisputed 01/23/2026 1132829556 CMS
Becton, Dickinson and Company $33.96 02/26/2024 Food and Beverage Undisputed 01/23/2026 1127616977 CMS
Edwards Lifesciences Corporation $22.85 09/19/2024 Food and Beverage Undisputed 01/23/2026 1138771073 CMS
LSI SOLUTIONS INC $25.91 06/11/2024 Food and Beverage Undisputed 01/23/2026 1147466870 CMS
Smith+Nephew, Inc. $33.70 06/11/2024 Food and Beverage Undisputed 01/23/2026 1149614554 CMS
Zimmer Biomet Holdings, Inc. $9,602.87 01/03/2024 Royalty or License Undisputed 01/23/2026 1155029467 CMS
Zimmer Biomet Holdings, Inc. $21.38 01/23/2024 Food and Beverage Undisputed 01/23/2026 1155029324 CMS
Zimmer Biomet Holdings, Inc. $10,121.96 04/03/2024 Royalty or License Undisputed 01/23/2026 1155029471 CMS
Zimmer Biomet Holdings, Inc. $138.75 04/10/2024 Food and Beverage Undisputed 01/23/2026 1155029346 CMS
Zimmer Biomet Holdings, Inc. $11,251.02 07/03/2024 Royalty or License Undisputed 01/23/2026 1155029475 CMS
Zimmer Biomet Holdings, Inc. $12,080.84 10/03/2024 Royalty or License Undisputed 01/23/2026 1155029479 CMS
Zimmer Biomet Holdings, Inc. $83.07 11/03/2024 Food and Beverage Undisputed 01/23/2026 1155029429 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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