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

WILLIAM FREDERICK DRESEN

Allopathic & Osteopathic Physicians Internal Medicine Clinical Cardiac Electrophysiology

NPI
1205152469
CMS profile
2782076
Location
BILLINGS, MT

General Payments · PY2019–2025

$8,422.09

  • Reported across 207 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$738.02

33 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 $738.02 33

By paying entity

PY2025 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $1,261.32 24
PY2020 $598.46 8
PY2021 $351.36 6
PY2022 $2,949.61 43
PY2023 $1,523.24 52
PY2024 $1,000.08 41
PY2025 $738.02 33

Payment records · PY2025 (33)

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

Program year 2025 201920202021202220232024 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 $47.58 02/28/2025 Food and Beverage Undisputed 06/30/2026 1240732893 CMS
Abbott Laboratories $14.00 06/16/2025 Food and Beverage Undisputed 06/30/2026 1240752971 CMS
Biosense Webster, Inc. $22.13 03/06/2025 Food and Beverage Undisputed 06/30/2026 1174090053 CMS
Biosense Webster, Inc. $14.29 12/17/2025 Food and Beverage Undisputed 06/30/2026 1174090041 CMS
Boston Scientific Corporation $23.43 01/09/2025 Food and Beverage Undisputed 06/30/2026 1181127894 CMS
Boston Scientific Corporation $13.90 02/03/2025 Food and Beverage Undisputed 06/30/2026 1181127896 CMS
Boston Scientific Corporation $24.44 02/06/2025 Food and Beverage Undisputed 06/30/2026 1181127898 CMS
Boston Scientific Corporation $22.14 03/13/2025 Food and Beverage Undisputed 06/30/2026 1181127900 CMS
Boston Scientific Corporation $19.79 03/25/2025 Food and Beverage Undisputed 06/30/2026 1181127902 CMS
Boston Scientific Corporation $25.35 04/17/2025 Food and Beverage Undisputed 06/30/2026 1181127904 CMS
Boston Scientific Corporation $23.01 04/22/2025 Food and Beverage Undisputed 06/30/2026 1181127908 CMS
Boston Scientific Corporation $16.04 05/08/2025 Food and Beverage Undisputed 06/30/2026 1181127906 CMS
Boston Scientific Corporation $35.50 05/15/2025 Food and Beverage Undisputed 06/30/2026 1181127910 CMS
Boston Scientific Corporation $21.43 05/29/2025 Food and Beverage Undisputed 06/30/2026 1181127912 CMS
Boston Scientific Corporation $16.06 06/05/2025 Food and Beverage Undisputed 06/30/2026 1181127922 CMS
Boston Scientific Corporation $25.12 06/19/2025 Food and Beverage Undisputed 06/30/2026 1181127916 CMS
Boston Scientific Corporation $11.09 07/03/2025 Food and Beverage Undisputed 06/30/2026 1181127920 CMS
Boston Scientific Corporation $26.30 07/10/2025 Food and Beverage Undisputed 06/30/2026 1181127918 CMS
Boston Scientific Corporation $12.61 07/14/2025 Food and Beverage Undisputed 06/30/2026 1181127914 CMS
Boston Scientific Corporation $22.50 07/24/2025 Food and Beverage Undisputed 06/30/2026 1181127924 CMS
Boston Scientific Corporation $22.25 08/21/2025 Food and Beverage Undisputed 06/30/2026 1181127926 CMS
Boston Scientific Corporation $19.79 09/18/2025 Food and Beverage Undisputed 06/30/2026 1181127928 CMS
Boston Scientific Corporation $21.43 09/25/2025 Food and Beverage Undisputed 06/30/2026 1181127930 CMS
Boston Scientific Corporation $15.20 10/09/2025 Food and Beverage Undisputed 06/30/2026 1181127932 CMS
Boston Scientific Corporation $23.00 10/23/2025 Food and Beverage Undisputed 06/30/2026 1181127940 CMS
Boston Scientific Corporation $27.88 11/06/2025 Food and Beverage Undisputed 06/30/2026 1181127938 CMS
Boston Scientific Corporation $13.43 11/19/2025 Food and Beverage Undisputed 06/30/2026 1181127934 CMS
Boston Scientific Corporation $43.30 12/02/2025 Food and Beverage Undisputed 06/30/2026 1181127942 CMS
Boston Scientific Corporation $26.00 12/11/2025 Food and Beverage Undisputed 06/30/2026 1181127936 CMS
Boston Scientific Corporation $22.03 12/16/2025 Food and Beverage Undisputed 06/30/2026 1181127944 CMS
Boston Scientific Corporation $20.80 12/18/2025 Food and Beverage Undisputed 06/30/2026 1181127946 CMS
Impulse Dynamics (USA) Inc. $23.53 09/03/2025 Food and Beverage Undisputed 06/30/2026 1223109972 CMS
Merit Medical Systems Inc $22.67 12/31/2025 Food and Beverage Undisputed 06/30/2026 1228354295 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, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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