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

MICHAEL J WALKER

Allopathic & Osteopathic Physicians Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI
1871538611
CMS profile
129528
Location
BRYN MAWR, PA

General Payments · PY2018–2024

$114,477.37

  • Reported across 253 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,464.86

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

Nature of paymentAmountRecords
Food and Beverage $939.86 29
Consulting Fee $525.00 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $50,367.22 85
PY2019 $26,967.80 61
PY2020 $17,536.27 17
PY2021 $7,052.41 16
PY2022 $6,986.15 16
PY2023 $4,102.66 28
PY2024 $1,464.86 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
Alexion Pharmaceuticals, Inc. $30.46 02/29/2024 Food and Beverage Undisputed 01/23/2026 1093903661 CMS
Alexion Pharmaceuticals, Inc. $33.71 05/16/2024 Food and Beverage Undisputed 01/23/2026 1094045341 CMS
Alexion Pharmaceuticals, Inc. $18.81 10/24/2024 Food and Beverage Undisputed 01/23/2026 1093950246 CMS
AstraZeneca Pharmaceuticals LP $14.43 01/09/2024 Food and Beverage Undisputed 01/23/2026 1105502440 CMS
AstraZeneca Pharmaceuticals LP $525.00 02/14/2024 Consulting Fee Undisputed 01/23/2026 1104738137 CMS
AstraZeneca Pharmaceuticals LP $26.90 05/02/2024 Food and Beverage Undisputed 01/23/2026 1105733063 CMS
AstraZeneca Pharmaceuticals LP $24.65 06/20/2024 Food and Beverage Undisputed 01/23/2026 1105813713 CMS
AstraZeneca Pharmaceuticals LP $19.03 09/03/2024 Food and Beverage Undisputed 01/23/2026 1104473976 CMS
AstraZeneca Pharmaceuticals LP $12.44 11/07/2024 Food and Beverage Undisputed 01/23/2026 1105787886 CMS
AstraZeneca Pharmaceuticals LP $20.64 12/03/2024 Food and Beverage Undisputed 01/23/2026 1104476936 CMS
ATRICURE, INC. $151.05 09/18/2024 Food and Beverage Undisputed 01/23/2026 1132903314 CMS
Bayer Healthcare Pharmaceuticals Inc. $25.41 07/25/2024 Food and Beverage Undisputed 01/23/2026 1086236198 CMS
Daiichi Sankyo Inc. $24.26 12/18/2024 Food and Beverage Undisputed 01/23/2026 1089495932 CMS
Eisai Inc. $18.09 08/15/2024 Food and Beverage Undisputed 01/23/2026 1110766601 CMS
Genentech USA, Inc. $20.95 10/29/2024 Food and Beverage Undisputed 01/23/2026 1133071841 CMS
Incyte Corporation $29.79 12/12/2024 Food and Beverage Undisputed 01/23/2026 1141255346 CMS
Janssen Biotech, Inc. $24.31 07/30/2024 Food and Beverage Undisputed 01/23/2026 1078554860 CMS
Medtronic, Inc. $16.16 09/18/2024 Food and Beverage Undisputed 01/23/2026 1119524546 CMS
Medtronic, Inc. $94.12 09/18/2024 Food and Beverage Undisputed 01/23/2026 1119524550 CMS
Medtronic, Inc. $13.02 09/20/2024 Food and Beverage Undisputed 01/23/2026 1119524544 CMS
Medtronic, Inc. $110.92 09/21/2024 Food and Beverage Undisputed 01/23/2026 1119524548 CMS
Merck Sharp & Dohme LLC $17.37 02/06/2024 Food and Beverage Undisputed 01/23/2026 1141777001 CMS
Merck Sharp & Dohme LLC $31.93 11/05/2024 Food and Beverage Undisputed 01/23/2026 1141776999 CMS
Mirati Therapeutics, Inc. $18.57 01/16/2024 Food and Beverage Undisputed 01/23/2026 1117176834 CMS
Mirati Therapeutics, Inc. $24.60 04/16/2024 Food and Beverage Undisputed 01/23/2026 1117176838 CMS
Novartis Pharmaceuticals Corporation $28.31 02/01/2024 Food and Beverage Undisputed 01/23/2026 1087429978 CMS
Novartis Pharmaceuticals Corporation $13.81 03/07/2024 Food and Beverage Undisputed 01/23/2026 1087429982 CMS
Novartis Pharmaceuticals Corporation $24.87 09/19/2024 Food and Beverage Undisputed 01/23/2026 1087429988 CMS
Novartis Pharmaceuticals Corporation $30.33 11/14/2024 Food and Beverage Undisputed 01/23/2026 1087429990 CMS
SOBI, INC $20.92 08/22/2024 Food and Beverage Undisputed 01/23/2026 1141440327 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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