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

ZACHARY CHADNICK

Allopathic & Osteopathic Physicians Surgery Vascular Surgery

NPI
1366977415
CMS profile
11312070
Location
SUMTER, SC

General Payments · PY2022–2024

$11,403.19

  • Reported across 73 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$6,435.09

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
Food and Beverage $2,603.18 35
Travel and Lodging $1,924.33 6
Grant $1,703.58 1
Education $204.00 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Medtronic, Inc. $2,102.47 4
Inari Medical, Inc. $1,262.01 5
Cook Medical LLC $1,200.60 22
Cook Incorporated $812.47 2
Endologix LLC $362.30 3
W. L. Gore & Associates, Inc. $240.09 3
Silk Road Medical, Inc. $157.71 1
ShockWave Medical, Inc $118.58 1
Solventum Corporation $102.84 1
Terumo Medical Corporation $76.02 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $2,383.66 11
PY2023 $2,584.44 19
PY2024 $6,435.09 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
Cook Incorporated $568.52 11/26/2024 Travel and Lodging Undisputed 01/23/2026 1118323941 CMS
Cook Incorporated $243.95 11/26/2024 Travel and Lodging Undisputed 01/23/2026 1118324195 CMS
Cook Medical LLC $144.50 07/19/2024 Food and Beverage Undisputed 01/23/2026 1118332271 CMS
Cook Medical LLC $118.56 08/14/2024 Food and Beverage Undisputed 01/23/2026 1118332273 CMS
Cook Medical LLC $112.25 10/01/2024 Food and Beverage Undisputed 01/23/2026 1118343989 CMS
Cook Medical LLC $9.15 10/10/2024 Food and Beverage Undisputed 01/23/2026 1118329096 CMS
Cook Medical LLC $10.88 10/14/2024 Food and Beverage Undisputed 01/23/2026 1118342539 CMS
Cook Medical LLC $122.79 10/15/2024 Food and Beverage Undisputed 01/23/2026 1118342939 CMS
Cook Medical LLC $6.22 10/17/2024 Food and Beverage Undisputed 01/23/2026 1118332975 CMS
Cook Medical LLC $22.66 10/19/2024 Food and Beverage Undisputed 01/23/2026 1118339831 CMS
Cook Medical LLC $14.19 10/26/2024 Food and Beverage Undisputed 01/23/2026 1118334251 CMS
Cook Medical LLC $121.96 10/27/2024 Food and Beverage Undisputed 01/23/2026 1118330560 CMS
Cook Medical LLC $49.01 10/27/2024 Travel and Lodging Undisputed 01/23/2026 1118330562 CMS
Cook Medical LLC $7.39 10/28/2024 Food and Beverage Undisputed 01/23/2026 1118326891 CMS
Cook Medical LLC $239.57 10/28/2024 Travel and Lodging Undisputed 01/23/2026 1118330558 CMS
Cook Medical LLC $17.21 10/28/2024 Food and Beverage Undisputed 01/23/2026 1118334247 CMS
Cook Medical LLC $21.31 10/29/2024 Food and Beverage Undisputed 01/23/2026 1118326887 CMS
Cook Medical LLC $8.59 10/31/2024 Food and Beverage Undisputed 01/23/2026 1118334249 CMS
Cook Medical LLC $11.83 11/05/2024 Food and Beverage Undisputed 01/23/2026 1118325030 CMS
Cook Medical LLC $16.65 11/07/2024 Food and Beverage Undisputed 01/23/2026 1118325034 CMS
Cook Medical LLC $12.55 11/11/2024 Food and Beverage Undisputed 01/23/2026 1118325032 CMS
Cook Medical LLC $3.67 11/11/2024 Food and Beverage Undisputed 01/23/2026 1118334201 CMS
Cook Medical LLC $9.24 11/12/2024 Food and Beverage Undisputed 01/23/2026 1118325028 CMS
Cook Medical LLC $120.42 11/13/2024 Food and Beverage Undisputed 01/23/2026 1118329954 CMS
Endologix LLC $150.00 04/09/2024 Food and Beverage Undisputed 01/23/2026 1116756428 CMS
Endologix LLC $91.40 10/17/2024 Food and Beverage Undisputed 01/23/2026 1116756534 CMS
Endologix LLC $120.90 12/10/2024 Food and Beverage Undisputed 01/23/2026 1116756560 CMS
Inari Medical, Inc. $141.90 02/21/2024 Food and Beverage Undisputed 01/23/2026 1140068656 CMS
Inari Medical, Inc. $348.96 10/21/2024 Travel and Lodging Undisputed 01/23/2026 1140068658 CMS
Inari Medical, Inc. $114.81 11/14/2024 Food and Beverage Undisputed 01/23/2026 1140068660 CMS
Inari Medical, Inc. $182.02 12/13/2024 Food and Beverage Undisputed 01/23/2026 1140068662 CMS
Inari Medical, Inc. $474.32 12/13/2024 Travel and Lodging Undisputed 01/23/2026 1140068664 CMS
Medtronic, Inc. $204.00 01/02/2024 Education Undisputed 01/23/2026 1119289292 CMS
Medtronic, Inc. $179.49 02/07/2024 Food and Beverage Undisputed 01/23/2026 1119289294 CMS
Medtronic, Inc. $1,703.58 03/22/2024 Grant Undisputed 01/23/2026 1112074993 CMS
Medtronic, Inc. $15.40 10/09/2024 Food and Beverage Undisputed 01/23/2026 1119289296 CMS
ShockWave Medical, Inc $118.58 11/06/2024 Food and Beverage Undisputed 01/23/2026 1152994269 CMS
Silk Road Medical, Inc. $157.71 05/23/2024 Food and Beverage Undisputed 01/23/2026 1082273946 CMS
Solventum Corporation $102.84 11/12/2024 Food and Beverage Undisputed 01/23/2026 1144097394 CMS
Terumo Medical Corporation $76.02 09/09/2024 Food and Beverage Undisputed 01/23/2026 1151760884 CMS
W. L. Gore & Associates, Inc. $103.51 08/20/2024 Food and Beverage Undisputed 01/23/2026 1148135926 CMS
W. L. Gore & Associates, Inc. $47.10 08/21/2024 Food and Beverage Undisputed 01/23/2026 1148135922 CMS
W. L. Gore & Associates, Inc. $89.48 09/12/2024 Food and Beverage Undisputed 01/23/2026 1148135998 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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