Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

MADISON WALKER

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI
1164173811
CMS profile
11358921
Location
GRAND RAPIDS, MI

General Payments · PY2022–2025

$1,570.80

  • Reported across 29 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$807.63

11 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $807.63 11

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $242.41 2
Medtronic, Inc. $213.52 3
Abbott Laboratories $122.33 1
UCB, Inc. $103.86 3
Route 92 Medical, Inc. $96.57 1
CATALYST PHARMACEUTICALS, INC. $28.94 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $53.26 2
PY2023 $404.07 10
PY2024 $305.84 6
PY2025 $807.63 11

Payment records · PY2025 (11)

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

Program year 2025 202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Abbott Laboratories $122.33 04/01/2025 Food and Beverage Undisputed 06/30/2026 1240720558 CMS
AstraZeneca Pharmaceuticals LP $119.66 03/10/2025 Food and Beverage Undisputed 06/30/2026 1206487902 CMS
AstraZeneca Pharmaceuticals LP $122.75 05/08/2025 Food and Beverage Undisputed 06/30/2026 1207235082 CMS
CATALYST PHARMACEUTICALS, INC. $28.94 06/25/2025 Food and Beverage Undisputed 06/30/2026 1253217721 CMS
Medtronic, Inc. $138.36 03/19/2025 Food and Beverage Undisputed 06/30/2026 1219755669 CMS
Medtronic, Inc. $41.43 07/16/2025 Food and Beverage Undisputed 06/30/2026 1219755671 CMS
Medtronic, Inc. $33.73 10/10/2025 Food and Beverage Undisputed 06/30/2026 1219755673 CMS
Route 92 Medical, Inc. $96.57 04/15/2025 Food and Beverage Undisputed 06/30/2026 1223245101 CMS
UCB, Inc. $38.47 02/20/2025 Food and Beverage Undisputed 06/30/2026 1224788520 CMS
UCB, Inc. $34.27 04/16/2025 Food and Beverage Undisputed 06/30/2026 1224788522 CMS
UCB, Inc. $31.12 10/20/2025 Food and Beverage Undisputed 06/30/2026 1224788524 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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

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