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

MATTHEW J SIDEMAN

Allopathic & Osteopathic Physicians Surgery Vascular Surgery

NPI
1386614774
CMS profile
334537
Location
SAN ANTONIO, TX

General Payments · PY2018–2024

$9,291.86

  • Reported across 189 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,608.12

29 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 $1,028.80 25
Travel and Lodging $579.32 4

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
W. L. Gore & Associates, Inc. $718.66 13
Endologix LLC $274.22 3
Cook Medical LLC $173.31 7
Medtronic, Inc. $150.15 1
ORGANOGENESIS INC. $118.67 1
Baylis Medical Technologies Inc. $116.13 1
LeMaitre Vascular, Inc. $36.72 2
Shape Memory Medical Inc. $20.26 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $940.85 21
PY2019 $416.84 13
PY2020 $447.07 15
PY2021 $1,050.12 24
PY2022 $3,171.50 44
PY2023 $1,657.36 43
PY2024 $1,608.12 29

Payment records · PY2024 (29)

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
Baylis Medical Technologies Inc. $116.13 01/03/2024 Food and Beverage Undisputed 01/23/2026 1130860119 CMS
Cook Medical LLC $7.32 02/07/2024 Food and Beverage Undisputed 01/23/2026 1118340489 CMS
Cook Medical LLC $14.30 03/05/2024 Food and Beverage Undisputed 01/23/2026 1118334791 CMS
Cook Medical LLC $100.14 03/21/2024 Food and Beverage Undisputed 01/23/2026 1118342731 CMS
Cook Medical LLC $19.80 04/18/2024 Food and Beverage Undisputed 01/23/2026 1118326793 CMS
Cook Medical LLC $4.71 05/03/2024 Food and Beverage Undisputed 01/23/2026 1118325996 CMS
Cook Medical LLC $7.18 05/14/2024 Food and Beverage Undisputed 01/23/2026 1118343221 CMS
Cook Medical LLC $19.86 06/06/2024 Food and Beverage Undisputed 01/23/2026 1118332943 CMS
Endologix LLC $148.05 06/20/2024 Food and Beverage Undisputed 01/23/2026 1116754660 CMS
Endologix LLC $103.86 06/25/2024 Travel and Lodging Undisputed 01/23/2026 1116754662 CMS
Endologix LLC $22.31 08/20/2024 Food and Beverage Undisputed 01/23/2026 1116754690 CMS
LeMaitre Vascular, Inc. $14.27 09/17/2024 Food and Beverage Undisputed 01/23/2026 1138052475 CMS
LeMaitre Vascular, Inc. $22.45 11/15/2024 Food and Beverage Undisputed 01/23/2026 1138050851 CMS
Medtronic, Inc. $150.15 02/20/2024 Food and Beverage Undisputed 01/23/2026 1119294729 CMS
Organogenesis Inc. $118.67 08/14/2024 Food and Beverage Undisputed 01/23/2026 1145446728 CMS
Shape Memory Medical Inc. $20.26 07/11/2024 Food and Beverage Undisputed 01/23/2026 1154466560 CMS
W. L. Gore & Associates, Inc. $12.46 05/14/2024 Food and Beverage Undisputed 01/23/2026 1148138823 CMS
W. L. Gore & Associates, Inc. $38.88 06/06/2024 Food and Beverage Undisputed 01/23/2026 1148138902 CMS
W. L. Gore & Associates, Inc. $7.78 06/06/2024 Food and Beverage Undisputed 01/23/2026 1148138909 CMS
W. L. Gore & Associates, Inc. $11.10 06/06/2024 Food and Beverage Undisputed 01/23/2026 1148138917 CMS
W. L. Gore & Associates, Inc. $4.36 06/06/2024 Food and Beverage Undisputed 01/23/2026 1148138924 CMS
W. L. Gore & Associates, Inc. $11.87 06/06/2024 Food and Beverage Undisputed 01/23/2026 1148138928 CMS
W. L. Gore & Associates, Inc. $11.10 06/06/2024 Food and Beverage Undisputed 01/23/2026 1148138939 CMS
W. L. Gore & Associates, Inc. $22.21 06/06/2024 Food and Beverage Undisputed 01/23/2026 1148138946 CMS
W. L. Gore & Associates, Inc. $13.06 06/06/2024 Food and Beverage Undisputed 01/23/2026 1148138962 CMS
W. L. Gore & Associates, Inc. $110.38 06/10/2024 Food and Beverage Undisputed 01/23/2026 1148138886 CMS
W. L. Gore & Associates, Inc. $99.49 06/11/2024 Travel and Lodging Undisputed 01/23/2026 1148138864 CMS
W. L. Gore & Associates, Inc. $237.10 06/16/2024 Travel and Lodging Undisputed 01/23/2026 1148138958 CMS
W. L. Gore & Associates, Inc. $138.87 06/25/2024 Travel and Lodging Undisputed 01/23/2026 1148138894 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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