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 E MASON

Allopathic & Osteopathic Physicians Surgery

NPI
1275528580
CMS profile
193327
Location
CHESTERFIELD, MO

General Payments · PY2018–2024

$16,503.27

  • Reported across 173 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$904.17

18 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 $904.17 18

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
INTUITIVE SURGICAL, INC. $262.36 9
W. L. Gore & Associates, Inc. $206.34 3
DAVOL INC. $149.37 1
CONMED Corporation $131.23 1
Endologix LLC $70.34 1
PolyNovo North America LLC $44.44 1
Hologic Sales and Service, LLC $20.13 1
Medtronic, Inc. $19.96 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $430.58 13
PY2019 $10,255.93 39
PY2020 $640.50 23
PY2021 $1,802.22 30
PY2022 $1,701.22 31
PY2023 $768.65 19
PY2024 $904.17 18

Payment records · PY2024 (18)

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
CONMED Corporation $131.23 12/04/2024 Food and Beverage Undisputed 01/23/2026 1142399653 CMS
Davol Inc. $149.37 03/01/2024 Food and Beverage Undisputed 01/23/2026 1127661981 CMS
Endologix LLC $70.34 06/26/2024 Food and Beverage Undisputed 01/23/2026 1116750075 CMS
Hologic Sales and Service, LLC $20.13 11/13/2024 Food and Beverage Undisputed 01/23/2026 1084919750 CMS
INTUITIVE SURGICAL, INC. $5.92 01/02/2024 Food and Beverage Undisputed 01/23/2026 1137256363 CMS
INTUITIVE SURGICAL, INC. $19.79 02/20/2024 Food and Beverage Undisputed 01/23/2026 1137206719 CMS
INTUITIVE SURGICAL, INC. $41.21 02/20/2024 Food and Beverage Undisputed 01/23/2026 1137206849 CMS
INTUITIVE SURGICAL, INC. $26.73 07/16/2024 Food and Beverage Undisputed 01/23/2026 1137296643 CMS
INTUITIVE SURGICAL, INC. $131.17 08/06/2024 Food and Beverage Undisputed 01/23/2026 1137123609 CMS
INTUITIVE SURGICAL, INC. $5.94 10/29/2024 Food and Beverage Undisputed 01/23/2026 1137247852 CMS
INTUITIVE SURGICAL, INC. $19.81 10/29/2024 Food and Beverage Undisputed 01/23/2026 1137285079 CMS
INTUITIVE SURGICAL, INC. $6.78 11/19/2024 Food and Beverage Undisputed 01/23/2026 1137076437 CMS
INTUITIVE SURGICAL, INC. $5.01 12/24/2024 Food and Beverage Undisputed 01/23/2026 1137243528 CMS
Medtronic, Inc. $19.96 04/01/2024 Food and Beverage Undisputed 01/23/2026 1117139187 CMS
PolyNovo North America LLC $44.44 09/18/2024 Food and Beverage Undisputed 01/23/2026 1148182884 CMS
W. L. Gore & Associates, Inc. $148.97 01/19/2024 Food and Beverage Undisputed 01/23/2026 1148155062 CMS
W. L. Gore & Associates, Inc. $29.17 02/21/2024 Food and Beverage Undisputed 01/23/2026 1148155069 CMS
W. L. Gore & Associates, Inc. $28.20 10/29/2024 Food and Beverage Undisputed 01/23/2026 1148155199 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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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.