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

NICHOLAS E WALKER

Allopathic & Osteopathic Physicians Internal Medicine Interventional Cardiology

NPI
1437241221
CMS profile
156267
Location
CORALVILLE, IA

General Payments · PY2019–2025

$2,270.01

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

Latest program year · PY2025

$1,887.09

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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Travel and Lodging $1,548.57 11
Food and Beverage $338.52 7

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Medtronic, Inc. $1,803.75 14
ShockWave Medical, Inc $41.95 2
ABIOMED $21.26 1
BOSTON SCIENTIFIC CORPORATION $20.13 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $118.60 4
PY2020 $119.90 1
PY2022 $23.80 1
PY2023 $20.61 1
PY2024 $100.01 4
PY2025 $1,887.09 18

Payment records · PY2025 (18)

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

Program year 2025 20192020202220232024 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
ABIOMED $21.26 07/10/2025 Food and Beverage Undisputed 06/30/2026 1174587080 CMS
Boston Scientific Corporation $20.13 05/22/2025 Food and Beverage Undisputed 06/30/2026 1181221696 CMS
Medtronic, Inc. $344.87 06/02/2025 Travel and Lodging Undisputed 06/30/2026 1218880654 CMS
Medtronic, Inc. $262.54 06/02/2025 Travel and Lodging Undisputed 06/30/2026 1218880656 CMS
Medtronic, Inc. $35.07 06/02/2025 Travel and Lodging Undisputed 06/30/2026 1218880658 CMS
Medtronic, Inc. $35.07 06/02/2025 Travel and Lodging Undisputed 06/30/2026 1218880660 CMS
Medtronic, Inc. $36.02 07/10/2025 Food and Beverage Undisputed 06/30/2026 1218880662 CMS
Medtronic, Inc. $199.62 07/13/2025 Food and Beverage Undisputed 06/30/2026 1218880664 CMS
Medtronic, Inc. $290.00 07/13/2025 Travel and Lodging Undisputed 06/30/2026 1218880676 CMS
Medtronic, Inc. $47.71 07/13/2025 Travel and Lodging Undisputed 06/30/2026 1218880678 CMS
Medtronic, Inc. $145.16 07/13/2025 Travel and Lodging Undisputed 06/30/2026 1218880680 CMS
Medtronic, Inc. $14.09 07/14/2025 Travel and Lodging Undisputed 06/30/2026 1218880666 CMS
Medtronic, Inc. $14.22 07/14/2025 Travel and Lodging Undisputed 06/30/2026 1218880668 CMS
Medtronic, Inc. $309.00 07/14/2025 Travel and Lodging Undisputed 06/30/2026 1218880672 CMS
Medtronic, Inc. $50.84 07/14/2025 Travel and Lodging Undisputed 06/30/2026 1218880674 CMS
Medtronic, Inc. $19.54 07/15/2025 Food and Beverage Undisputed 06/30/2026 1218880670 CMS
Shockwave Medical, Inc $24.59 05/01/2025 Food and Beverage Undisputed 06/30/2026 1173897609 CMS
Shockwave Medical, Inc $17.36 09/15/2025 Food and Beverage Undisputed 06/30/2026 1173897612 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
2019, 2020, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , 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.

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.