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

KENNETH HASSLER

Allopathic & Osteopathic Physicians Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI
1659783348
CMS profile
8148520
Location
ANN ARBOR, MI

General Payments · PY2022–2024

$13,433.55

  • Reported across 70 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$10,711.65

43 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
Consulting Fee $5,937.50 1
Travel and Lodging $3,223.73 11
Food and Beverage $1,550.42 31

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Edwards Lifesciences Corporation $8,508.89 23
Artivion, Inc. $1,116.59 8
ATRICURE, INC. $853.56 6
Bolton Medical Inc $169.33 4
Medtronic, Inc. $63.28 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $1,565.78 10
PY2023 $1,156.12 17
PY2024 $10,711.65 43

Payment records · PY2024 (43)

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

Program year 2024 20222023 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
Artivion, Inc. $28.74 03/14/2024 Food and Beverage Undisputed 01/23/2026 1145789187 CMS
Artivion, Inc. $48.62 03/14/2024 Travel and Lodging Undisputed 01/23/2026 1145789189 CMS
Artivion, Inc. $456.46 03/14/2024 Travel and Lodging Undisputed 01/23/2026 1145791698 CMS
Artivion, Inc. $166.53 03/15/2024 Travel and Lodging Undisputed 01/23/2026 1145788863 CMS
Artivion, Inc. $1.11 03/15/2024 Food and Beverage Undisputed 01/23/2026 1145789311 CMS
Artivion, Inc. $202.93 03/15/2024 Food and Beverage Undisputed 01/23/2026 1145789313 CMS
Artivion, Inc. $34.24 03/18/2024 Food and Beverage Undisputed 01/23/2026 1145789433 CMS
Artivion, Inc. $177.96 03/28/2024 Travel and Lodging Undisputed 01/23/2026 1145791932 CMS
ATRICURE, INC. $141.89 04/29/2024 Food and Beverage Undisputed 01/23/2026 1132870799 CMS
ATRICURE, INC. $80.42 10/12/2024 Food and Beverage Undisputed 01/23/2026 1132882810 CMS
ATRICURE, INC. $105.16 10/12/2024 Food and Beverage Undisputed 01/23/2026 1132883040 CMS
ATRICURE, INC. $37.12 10/12/2024 Food and Beverage Undisputed 01/23/2026 1132883474 CMS
ATRICURE, INC. $85.00 10/12/2024 Travel and Lodging Undisputed 01/23/2026 1132883693 CMS
ATRICURE, INC. $403.97 11/11/2024 Travel and Lodging Undisputed 01/23/2026 1132883647 CMS
Bolton Medical Inc $84.98 02/01/2024 Travel and Lodging Undisputed 01/23/2026 1150743860 CMS
Bolton Medical Inc $28.84 02/07/2024 Food and Beverage Undisputed 01/23/2026 1150743864 CMS
Bolton Medical Inc $23.60 02/16/2024 Food and Beverage Undisputed 01/23/2026 1150743868 CMS
Bolton Medical Inc $31.91 04/25/2024 Food and Beverage Undisputed 01/23/2026 1150743872 CMS
Edwards Lifesciences Corporation $478.06 08/16/2024 Travel and Lodging Undisputed 01/23/2026 1138874299 CMS
Edwards Lifesciences Corporation $74.32 09/24/2024 Food and Beverage Undisputed 01/23/2026 1138874285 CMS
Edwards Lifesciences Corporation $89.55 09/26/2024 Food and Beverage Undisputed 01/23/2026 1138874279 CMS
Edwards Lifesciences Corporation $154.74 09/27/2024 Food and Beverage Undisputed 01/23/2026 1138874275 CMS
Edwards Lifesciences Corporation $9.59 10/07/2024 Food and Beverage Undisputed 01/23/2026 1138874341 CMS
Edwards Lifesciences Corporation $435.28 10/10/2024 Travel and Lodging Undisputed 01/23/2026 1138874287 CMS
Edwards Lifesciences Corporation $1.87 10/11/2024 Food and Beverage Undisputed 01/23/2026 1138874321 CMS
Edwards Lifesciences Corporation $2.85 10/11/2024 Food and Beverage Undisputed 01/23/2026 1138874323 CMS
Edwards Lifesciences Corporation $26.70 10/11/2024 Food and Beverage Undisputed 01/23/2026 1138874325 CMS
Edwards Lifesciences Corporation $14.85 10/11/2024 Food and Beverage Undisputed 01/23/2026 1138874327 CMS
Edwards Lifesciences Corporation $2.51 10/11/2024 Food and Beverage Undisputed 01/23/2026 1138874329 CMS
Edwards Lifesciences Corporation $2.18 10/11/2024 Food and Beverage Undisputed 01/23/2026 1138874331 CMS
Edwards Lifesciences Corporation $12.75 10/11/2024 Food and Beverage Undisputed 01/23/2026 1138874343 CMS
Edwards Lifesciences Corporation $21.50 10/11/2024 Food and Beverage Undisputed 01/23/2026 1138874345 CMS
Edwards Lifesciences Corporation $5,937.50 10/17/2024 Consulting Fee Undisputed 01/23/2026 1138874277 CMS
Edwards Lifesciences Corporation $3.77 10/17/2024 Food and Beverage Undisputed 01/23/2026 1138874333 CMS
Edwards Lifesciences Corporation $13.45 10/17/2024 Food and Beverage Undisputed 01/23/2026 1138874335 CMS
Edwards Lifesciences Corporation $26.24 10/17/2024 Food and Beverage Undisputed 01/23/2026 1138874337 CMS
Edwards Lifesciences Corporation $2.45 10/17/2024 Food and Beverage Undisputed 01/23/2026 1138874339 CMS
Edwards Lifesciences Corporation $95.47 11/25/2024 Travel and Lodging Undisputed 01/23/2026 1138874347 CMS
Edwards Lifesciences Corporation $173.80 12/06/2024 Food and Beverage Undisputed 01/23/2026 1138874319 CMS
Edwards Lifesciences Corporation $138.06 12/19/2024 Food and Beverage Undisputed 01/23/2026 1138874349 CMS
Edwards Lifesciences Corporation $791.40 12/19/2024 Travel and Lodging Undisputed 01/23/2026 1138874351 CMS
Medtronic, Inc. $22.94 05/24/2024 Food and Beverage Undisputed 01/23/2026 1119422137 CMS
Medtronic, Inc. $40.34 11/26/2024 Food and Beverage Undisputed 01/23/2026 1119422139 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
2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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