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

DONALD R WESTERHAUSEN

Allopathic & Osteopathic Physicians Internal Medicine Pulmonary Disease

NPI
1437491974
CMS profile
603278
Location
MISHAWAKA, IN

General Payments · PY2019–2025

$11,352.28

  • Reported across 210 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$3,426.98

77 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 $1,744.49 74
Education $1,500.00 1
Travel and Lodging $182.49 2

By paying entity

PY2025 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $138.30 9
PY2020 $149.17 9
PY2021 $23.64 2
PY2023 $718.30 34
PY2024 $6,895.89 79
PY2025 $3,426.98 77

Payment records · PY2025 (77)

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

Program year 2025 20192020202120232024 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
Amgen Inc. $17.50 01/09/2025 Food and Beverage Undisputed 06/30/2026 1228423007 CMS
Amgen Inc. $17.47 02/27/2025 Food and Beverage Undisputed 06/30/2026 1228422999 CMS
Amgen Inc. $22.78 05/27/2025 Food and Beverage Undisputed 06/30/2026 1228423005 CMS
Amgen Inc. $23.39 11/26/2025 Food and Beverage Undisputed 06/30/2026 1228423003 CMS
Amgen Inc. $24.32 12/17/2025 Food and Beverage Undisputed 06/30/2026 1228423001 CMS
AstraZeneca Pharmaceuticals LP $14.40 01/08/2025 Food and Beverage Undisputed 06/30/2026 1207179032 CMS
AstraZeneca Pharmaceuticals LP $94.46 01/23/2025 Food and Beverage Undisputed 06/30/2026 1206550879 CMS
AstraZeneca Pharmaceuticals LP $18.26 02/17/2025 Food and Beverage Undisputed 06/30/2026 1206158216 CMS
AstraZeneca Pharmaceuticals LP $21.77 03/03/2025 Food and Beverage Undisputed 06/30/2026 1207117624 CMS
AstraZeneca Pharmaceuticals LP $16.87 03/20/2025 Food and Beverage Undisputed 06/30/2026 1206231544 CMS
AstraZeneca Pharmaceuticals LP $15.12 04/03/2025 Food and Beverage Undisputed 06/30/2026 1206432692 CMS
AstraZeneca Pharmaceuticals LP $13.46 04/22/2025 Food and Beverage Undisputed 06/30/2026 1206880461 CMS
AstraZeneca Pharmaceuticals LP $123.06 05/08/2025 Food and Beverage Undisputed 06/30/2026 1206400445 CMS
AstraZeneca Pharmaceuticals LP $16.35 05/12/2025 Food and Beverage Undisputed 06/30/2026 1207296420 CMS
AstraZeneca Pharmaceuticals LP $15.69 06/11/2025 Food and Beverage Undisputed 06/30/2026 1206144248 CMS
AstraZeneca Pharmaceuticals LP $15.26 07/22/2025 Food and Beverage Undisputed 06/30/2026 1206783633 CMS
AstraZeneca Pharmaceuticals LP $21.92 08/25/2025 Food and Beverage Undisputed 06/30/2026 1207232510 CMS
AstraZeneca Pharmaceuticals LP $24.11 09/24/2025 Food and Beverage Undisputed 06/30/2026 1206164426 CMS
AstraZeneca Pharmaceuticals LP $16.27 12/23/2025 Food and Beverage Undisputed 06/30/2026 1206209696 CMS
Baxter Healthcare $24.59 06/04/2025 Food and Beverage Undisputed 06/30/2026 1181548870 CMS
EMD Serono, Inc. $20.91 09/10/2025 Food and Beverage Undisputed 06/30/2026 1236885740 CMS
Genentech USA, Inc. $31.28 03/31/2025 Food and Beverage Undisputed 06/30/2026 1211509592 CMS
Genentech USA, Inc. $23.25 09/25/2025 Food and Beverage Undisputed 06/30/2026 1211509594 CMS
GENZYME CORPORATION $42.56 03/05/2025 Food and Beverage Undisputed 06/30/2026 1233676734 CMS
GENZYME CORPORATION $43.86 04/08/2025 Food and Beverage Undisputed 06/30/2026 1233676746 CMS
GENZYME CORPORATION $25.38 10/27/2025 Food and Beverage Undisputed 06/30/2026 1233676832 CMS
GlaxoSmithKline, LLC. $17.03 01/16/2025 Food and Beverage Undisputed 06/30/2026 1190692952 CMS
GlaxoSmithKline, LLC. $11.37 02/26/2025 Food and Beverage Undisputed 06/30/2026 1191468629 CMS
GlaxoSmithKline, LLC. $9.79 03/18/2025 Food and Beverage Undisputed 06/30/2026 1190620422 CMS
GlaxoSmithKline, LLC. $8.42 04/11/2025 Food and Beverage Undisputed 06/30/2026 1190916677 CMS
GlaxoSmithKline, LLC. $16.03 04/17/2025 Food and Beverage Undisputed 06/30/2026 1190696380 CMS
GlaxoSmithKline, LLC. $17.72 05/21/2025 Food and Beverage Undisputed 06/30/2026 1190711059 CMS
GlaxoSmithKline, LLC. $2.21 05/29/2025 Food and Beverage Undisputed 06/30/2026 1190395230 CMS
GlaxoSmithKline, LLC. $5.70 06/16/2025 Food and Beverage Undisputed 06/30/2026 1190858495 CMS
GlaxoSmithKline, LLC. $15.38 06/24/2025 Food and Beverage Undisputed 06/30/2026 1191285766 CMS
GlaxoSmithKline, LLC. $10.89 06/30/2025 Food and Beverage Undisputed 06/30/2026 1190576010 CMS
GlaxoSmithKline, LLC. $14.74 07/23/2025 Food and Beverage Undisputed 06/30/2026 1191649724 CMS
GlaxoSmithKline, LLC. $11.67 07/28/2025 Food and Beverage Undisputed 06/30/2026 1190733616 CMS
GlaxoSmithKline, LLC. $16.17 08/13/2025 Food and Beverage Undisputed 06/30/2026 1190577606 CMS
GlaxoSmithKline, LLC. $5.49 09/10/2025 Food and Beverage Undisputed 06/30/2026 1191441216 CMS
GlaxoSmithKline, LLC. $13.60 09/23/2025 Food and Beverage Undisputed 06/30/2026 1190383543 CMS
GlaxoSmithKline, LLC. $14.16 10/22/2025 Food and Beverage Undisputed 06/30/2026 1191634484 CMS
GlaxoSmithKline, LLC. $10.16 11/05/2025 Food and Beverage Undisputed 06/30/2026 1190380669 CMS
GlaxoSmithKline, LLC. $14.68 11/18/2025 Food and Beverage Undisputed 06/30/2026 1190628484 CMS
GlaxoSmithKline, LLC. $16.47 11/18/2025 Food and Beverage Undisputed 06/30/2026 1190872630 CMS
GlaxoSmithKline, LLC. $9.77 12/03/2025 Food and Beverage Undisputed 06/30/2026 1190737678 CMS
GlaxoSmithKline, LLC. $14.16 12/10/2025 Food and Beverage Undisputed 06/30/2026 1190352590 CMS
Grifols USA, LLC $15.79 03/12/2025 Food and Beverage Undisputed 06/30/2026 1249582108 CMS
Grifols USA, LLC $24.33 06/12/2025 Food and Beverage Undisputed 06/30/2026 1249582106 CMS
Grifols USA, LLC $22.96 08/22/2025 Food and Beverage Undisputed 06/30/2026 1249582104 CMS
INOGEN, INC. $20.43 11/13/2025 Food and Beverage Undisputed 06/30/2026 1253658419 CMS
INTUITIVE SURGICAL, INC. $6.00 05/23/2025 Travel and Lodging Undisputed 06/30/2026 1236510327 CMS
INTUITIVE SURGICAL, INC. $176.49 05/28/2025 Travel and Lodging Undisputed 06/30/2026 1236510329 CMS
INTUITIVE SURGICAL, INC. $134.74 07/15/2025 Food and Beverage Undisputed 06/30/2026 1236510323 CMS
INTUITIVE SURGICAL, INC. $1,500.00 10/07/2025 Education Undisputed 06/30/2026 1236510325 CMS
Mallinckrodt Hospital Products Inc. $17.39 10/07/2025 Food and Beverage Undisputed 06/30/2026 1212007445 CMS
Merck Sharp & Dohme LLC $27.21 07/02/2025 Food and Beverage Undisputed 06/30/2026 1238243651 CMS
Merck Sharp & Dohme LLC $19.34 09/08/2025 Food and Beverage Undisputed 06/30/2026 1238319854 CMS
Philips North America LLC $39.93 11/30/2025 Food and Beverage Undisputed 06/30/2026 1232619880 CMS
Pulmonx Corporation $14.59 10/07/2025 Food and Beverage Undisputed 06/30/2026 1199550003 CMS
Regeneron Healthcare Solutions, Inc. $38.91 02/10/2025 Food and Beverage Undisputed 06/30/2026 1213070446 CMS
Regeneron Healthcare Solutions, Inc. $39.20 07/07/2025 Food and Beverage Undisputed 06/30/2026 1213070448 CMS
Regeneron Healthcare Solutions, Inc. $37.62 09/18/2025 Food and Beverage Undisputed 06/30/2026 1213070450 CMS
Siemens Medical Solutions USA, Inc. $33.22 09/09/2025 Food and Beverage Undisputed 06/30/2026 1211434235 CMS
Takeda Pharmaceuticals U.S.A., Inc. $23.08 07/03/2025 Food and Beverage Undisputed 06/30/2026 1223882413 CMS
Takeda Pharmaceuticals U.S.A., Inc. $16.95 08/26/2025 Food and Beverage Undisputed 06/30/2026 1223832487 CMS
Takeda Pharmaceuticals U.S.A., Inc. $13.48 10/23/2025 Food and Beverage Undisputed 06/30/2026 1223810175 CMS
Verona Pharma, Inc. $21.36 01/28/2025 Food and Beverage Undisputed 06/30/2026 1233796578 CMS
Verona Pharma, Inc. $21.55 02/18/2025 Food and Beverage Undisputed 06/30/2026 1233796564 CMS
Verona Pharma, Inc. $16.75 03/26/2025 Food and Beverage Undisputed 06/30/2026 1233796522 CMS
Verona Pharma, Inc. $21.63 04/30/2025 Food and Beverage Undisputed 06/30/2026 1233796516 CMS
Verona Pharma, Inc. $28.12 05/28/2025 Food and Beverage Undisputed 06/30/2026 1233796448 CMS
Viatris Specialty LLC $17.79 01/07/2025 Food and Beverage Undisputed 06/30/2026 1238491187 CMS
Viatris Specialty LLC $29.11 02/12/2025 Food and Beverage Undisputed 06/30/2026 1238510589 CMS
Viatris Specialty LLC $17.81 06/09/2025 Food and Beverage Undisputed 06/30/2026 1238513863 CMS
Viatris Specialty LLC $13.82 07/14/2025 Food and Beverage Undisputed 06/30/2026 1238513877 CMS
Viatris Specialty LLC $17.48 09/23/2025 Food and Beverage Undisputed 06/30/2026 1238465287 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, 2021, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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