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

MARK A WELNICK

Allopathic & Osteopathic Physicians Radiology Diagnostic Radiology

NPI
1255698221
CMS profile
2788866
Location
GREEN BAY, WI

This page merges CMS profile IDs 2788866, 5701215 — associated profiles published by CMS for the same covered recipient. See the colophon below.

General Payments · PY2018–2024

$35,828.52

  • Reported across 160 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$8,397.45

30 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
Penumbra, Inc. $7,569.79 11
Inari Medical, Inc. $418.93 13
W. L. Gore & Associates, Inc. $366.38 4
BOSTON SCIENTIFIC CORPORATION $24.39 1
Surmodics, Inc. $17.96 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,131.97 18
PY2019 $719.25 13
PY2020 $1,022.61 12
PY2021 $394.66 8
PY2022 $10,221.17 33
PY2023 $12,941.41 46
PY2024 $8,397.45 30

Payment records · PY2024 (30)

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
Boston Scientific Corporation $24.39 04/12/2024 Food and Beverage Undisputed 01/23/2026 1092539696 CMS
Inari Medical, Inc. $262.50 01/23/2024 Food and Beverage Undisputed 01/23/2026 1140174010 CMS
Inari Medical, Inc. $19.53 01/23/2024 Food and Beverage Undisputed 01/23/2026 1140174012 CMS
Inari Medical, Inc. $11.05 02/13/2024 Food and Beverage Undisputed 01/23/2026 1140174014 CMS
Inari Medical, Inc. $5.84 02/28/2024 Food and Beverage Undisputed 01/23/2026 1140174016 CMS
Inari Medical, Inc. $16.21 04/03/2024 Food and Beverage Undisputed 01/23/2026 1140174018 CMS
Inari Medical, Inc. $14.69 05/09/2024 Food and Beverage Undisputed 01/23/2026 1140174020 CMS
Inari Medical, Inc. $17.03 05/29/2024 Food and Beverage Undisputed 01/23/2026 1140174022 CMS
Inari Medical, Inc. $14.64 06/25/2024 Food and Beverage Undisputed 01/23/2026 1140174024 CMS
Inari Medical, Inc. $1.15 08/30/2024 Food and Beverage Undisputed 01/23/2026 1140174026 CMS
Inari Medical, Inc. $13.71 09/11/2024 Food and Beverage Undisputed 01/23/2026 1140174028 CMS
Inari Medical, Inc. $11.40 10/16/2024 Food and Beverage Undisputed 01/23/2026 1140174030 CMS
Inari Medical, Inc. $14.13 10/30/2024 Food and Beverage Undisputed 01/23/2026 1140174032 CMS
Inari Medical, Inc. $17.05 11/05/2024 Food and Beverage Undisputed 01/23/2026 1140174034 CMS
Penumbra, Inc. $153.47 01/22/2024 Food and Beverage Undisputed 01/23/2026 1076207954 CMS
Penumbra, Inc. $96.71 02/13/2024 Food and Beverage Undisputed 01/23/2026 1076207956 CMS
Penumbra, Inc. $136.73 02/15/2024 Food and Beverage Undisputed 01/23/2026 1076207958 CMS
Penumbra, Inc. $36.01 02/16/2024 Food and Beverage Undisputed 01/23/2026 1076207960 CMS
Penumbra, Inc. $709.52 06/29/2024 Travel and Lodging Undisputed 01/23/2026 1076207962 CMS
Penumbra, Inc. $987.95 07/29/2024 Travel and Lodging Undisputed 01/23/2026 1076234560 CMS
Penumbra, Inc. $207.63 07/29/2024 Travel and Lodging Undisputed 01/23/2026 1076234684 CMS
Penumbra, Inc. $161.05 07/29/2024 Food and Beverage Undisputed 01/23/2026 1125865403 CMS
Penumbra, Inc. $229.72 07/31/2024 Travel and Lodging Undisputed 01/23/2026 1076234696 CMS
Penumbra, Inc. $4,800.00 08/19/2024 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 1076226778 CMS
Penumbra, Inc. $51.00 08/19/2024 Travel and Lodging Undisputed 01/23/2026 1076226780 CMS
Surmodics, Inc. $17.96 12/11/2024 Food and Beverage Undisputed 01/23/2026 1128530642 CMS
W. L. Gore & Associates, Inc. $15.38 02/03/2024 Food and Beverage Undisputed 01/23/2026 1148123266 CMS
W. L. Gore & Associates, Inc. $167.93 02/14/2024 Food and Beverage Undisputed 01/23/2026 1148123234 CMS
W. L. Gore & Associates, Inc. $96.41 02/14/2024 Food and Beverage Undisputed 01/23/2026 1148123277 CMS
W. L. Gore & Associates, Inc. $86.66 06/17/2024 Food and Beverage Undisputed 01/23/2026 1148123348 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
Merged CMS profile IDs
2788866, 5701215

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

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.