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

TIMOTHY RAYMOND LARSEN

Allopathic & Osteopathic Physicians Internal Medicine Clinical Cardiac Electrophysiology

NPI
1477845337
CMS profile
1382823
Location
CHICAGO, IL

General Payments · PY2018–2024

$47,323.21

  • Reported across 440 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$8,040.39

116 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

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Medtronic, Inc. $4,588.96 84
Cook Incorporated $1,960.00 1
BOSTON SCIENTIFIC CORPORATION $363.94 6
Biosense Webster, Inc. $347.00 9
ATRICURE, INC. $276.27 3
Abbott Laboratories $252.86 9
BIOTRONIK INC. $104.98 1
Volta Medical Inc $83.33 1
CardioFocus, Inc. $36.92 1
PFIZER INC. $26.13 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $4,654.07 40
PY2019 $4,257.02 26
PY2020 $10,114.07 58
PY2021 $8,927.00 53
PY2022 $5,941.11 73
PY2023 $5,389.55 74
PY2024 $8,040.39 116

Payment records · PY2024 (116)

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
Abbott Laboratories $25.45 02/26/2024 Food and Beverage Undisputed 01/23/2026 1125086009 CMS
Abbott Laboratories $7.88 03/07/2024 Food and Beverage Undisputed 01/23/2026 1125086011 CMS
Abbott Laboratories $101.19 04/15/2024 Food and Beverage Undisputed 01/23/2026 1125086021 CMS
Abbott Laboratories $27.94 04/15/2024 Food and Beverage Undisputed 01/23/2026 1125086023 CMS
Abbott Laboratories $27.59 04/23/2024 Food and Beverage Undisputed 01/23/2026 1125086013 CMS
Abbott Laboratories $7.07 06/04/2024 Food and Beverage Undisputed 01/23/2026 1125086015 CMS
Abbott Laboratories $8.03 08/16/2024 Food and Beverage Undisputed 01/23/2026 1125086025 CMS
Abbott Laboratories $23.59 09/11/2024 Food and Beverage Undisputed 01/23/2026 1125086019 CMS
Abbott Laboratories $24.12 12/03/2024 Food and Beverage Undisputed 01/23/2026 1125086017 CMS
ATRICURE, INC. $56.70 01/11/2024 Food and Beverage Undisputed 01/23/2026 1132887444 CMS
ATRICURE, INC. $182.22 02/27/2024 Food and Beverage Undisputed 01/23/2026 1132869832 CMS
ATRICURE, INC. $37.35 07/22/2024 Food and Beverage Undisputed 01/23/2026 1132842616 CMS
Biosense Webster, Inc. $43.34 02/02/2024 Food and Beverage Undisputed 01/23/2026 1077677115 CMS
Biosense Webster, Inc. $41.02 03/21/2024 Food and Beverage Undisputed 01/23/2026 1077677157 CMS
Biosense Webster, Inc. $174.93 05/17/2024 Food and Beverage Undisputed 01/23/2026 1077676954 CMS
Biosense Webster, Inc. $6.37 06/28/2024 Food and Beverage Undisputed 01/23/2026 1077677430 CMS
Biosense Webster, Inc. $12.49 07/08/2024 Food and Beverage Undisputed 01/23/2026 1077677174 CMS
Biosense Webster, Inc. $14.06 07/25/2024 Food and Beverage Undisputed 01/23/2026 1077677258 CMS
Biosense Webster, Inc. $7.47 08/27/2024 Food and Beverage Undisputed 01/23/2026 1077676563 CMS
Biosense Webster, Inc. $39.69 09/17/2024 Food and Beverage Undisputed 01/23/2026 1077676781 CMS
Biosense Webster, Inc. $7.63 12/10/2024 Food and Beverage Undisputed 01/23/2026 1077676797 CMS
BIOTRONIK INC. $104.98 11/07/2024 Food and Beverage Undisputed 01/23/2026 1145795977 CMS
Boston Scientific Corporation $14.90 01/19/2024 Food and Beverage Undisputed 01/23/2026 1092559656 CMS
Boston Scientific Corporation $24.00 05/09/2024 Food and Beverage Undisputed 01/23/2026 1092559660 CMS
Boston Scientific Corporation $128.19 05/10/2024 Food and Beverage Undisputed 01/23/2026 1092559666 CMS
Boston Scientific Corporation $20.08 08/05/2024 Food and Beverage Undisputed 01/23/2026 1092559658 CMS
Boston Scientific Corporation $61.44 08/30/2024 Food and Beverage Undisputed 01/23/2026 1092559662 CMS
Boston Scientific Corporation $115.33 12/12/2024 Food and Beverage Undisputed 01/23/2026 1092559664 CMS
CardioFocus, Inc. $36.92 01/31/2024 Food and Beverage Undisputed 01/23/2026 1153256934 CMS
Cook Incorporated $1,960.00 08/02/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1117467868 CMS
Medtronic, Inc. $19.88 01/03/2024 Food and Beverage Undisputed 01/23/2026 1119337750 CMS
Medtronic, Inc. $12.27 01/08/2024 Food and Beverage Undisputed 01/23/2026 1119337748 CMS
Medtronic, Inc. $3.73 01/17/2024 Food and Beverage Undisputed 01/23/2026 1119337746 CMS
Medtronic, Inc. $231.20 01/19/2024 Travel and Lodging Undisputed 01/23/2026 1119337754 CMS
Medtronic, Inc. $20.02 01/26/2024 Food and Beverage Undisputed 01/23/2026 1119337752 CMS
Medtronic, Inc. $143.34 01/30/2024 Food and Beverage Undisputed 01/23/2026 1119337756 CMS
Medtronic, Inc. $109.17 02/06/2024 Food and Beverage Undisputed 01/23/2026 1119337792 CMS
Medtronic, Inc. $59.34 02/07/2024 Travel and Lodging Undisputed 01/23/2026 1119337764 CMS
Medtronic, Inc. $4.17 02/07/2024 Travel and Lodging Undisputed 01/23/2026 1119337766 CMS
Medtronic, Inc. $13.40 02/07/2024 Food and Beverage Undisputed 01/23/2026 1119337794 CMS
Medtronic, Inc. $31.33 02/07/2024 Food and Beverage Undisputed 01/23/2026 1119337812 CMS
Medtronic, Inc. $118.39 02/07/2024 Food and Beverage Undisputed 01/23/2026 1119337814 CMS
Medtronic, Inc. $328.00 02/07/2024 Travel and Lodging Undisputed 01/23/2026 1119337844 CMS
Medtronic, Inc. $29.52 02/07/2024 Travel and Lodging Undisputed 01/23/2026 1119337846 CMS
Medtronic, Inc. $9.92 02/08/2024 Travel and Lodging Undisputed 01/23/2026 1119337768 CMS
Medtronic, Inc. $7.42 02/08/2024 Travel and Lodging Undisputed 01/23/2026 1119337770 CMS
Medtronic, Inc. $127.97 02/08/2024 Food and Beverage Undisputed 01/23/2026 1119337796 CMS
Medtronic, Inc. $21.31 02/08/2024 Food and Beverage Undisputed 01/23/2026 1119337834 CMS
Medtronic, Inc. $328.00 02/08/2024 Travel and Lodging Undisputed 01/23/2026 1119337848 CMS
Medtronic, Inc. $29.52 02/08/2024 Travel and Lodging Undisputed 01/23/2026 1119337850 CMS
Medtronic, Inc. $5.22 02/09/2024 Travel and Lodging Undisputed 01/23/2026 1119337774 CMS
Medtronic, Inc. $9.47 02/09/2024 Food and Beverage Undisputed 01/23/2026 1119337798 CMS
Medtronic, Inc. $31.60 02/09/2024 Food and Beverage Undisputed 01/23/2026 1119337800 CMS
Medtronic, Inc. $70.80 02/09/2024 Food and Beverage Undisputed 01/23/2026 1119337836 CMS
Medtronic, Inc. $54.84 02/09/2024 Food and Beverage Undisputed 01/23/2026 1119337838 CMS
Medtronic, Inc. $52.82 02/10/2024 Food and Beverage Undisputed 01/23/2026 1119337802 CMS
Medtronic, Inc. $26.65 02/10/2024 Food and Beverage Undisputed 01/23/2026 1119337816 CMS
Medtronic, Inc. $154.45 02/10/2024 Food and Beverage Undisputed 01/23/2026 1119337828 CMS
Medtronic, Inc. $32.26 02/10/2024 Travel and Lodging Undisputed 01/23/2026 1119337840 CMS
Medtronic, Inc. $67.28 02/10/2024 Travel and Lodging Undisputed 01/23/2026 1119337842 CMS
Medtronic, Inc. $12.87 02/11/2024 Travel and Lodging Undisputed 01/23/2026 1119337772 CMS
Medtronic, Inc. $46.22 02/11/2024 Travel and Lodging Undisputed 01/23/2026 1119337776 CMS
Medtronic, Inc. $22.12 02/11/2024 Travel and Lodging Undisputed 01/23/2026 1119337804 CMS
Medtronic, Inc. $66.74 02/11/2024 Food and Beverage Undisputed 01/23/2026 1119337806 CMS
Medtronic, Inc. $4.37 02/11/2024 Food and Beverage Undisputed 01/23/2026 1119337808 CMS
Medtronic, Inc. $40.22 02/11/2024 Food and Beverage Undisputed 01/23/2026 1119337810 CMS
Medtronic, Inc. $37.45 02/16/2024 Food and Beverage Undisputed 01/23/2026 1119337830 CMS
Medtronic, Inc. $48.15 02/16/2024 Food and Beverage Undisputed 01/23/2026 1119337832 CMS
Medtronic, Inc. $139.00 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1119337788 CMS
Medtronic, Inc. $20.88 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1119337790 CMS
Medtronic, Inc. $40.41 02/22/2024 Food and Beverage Undisputed 01/23/2026 1119337818 CMS
Medtronic, Inc. $14.00 02/22/2024 Food and Beverage Undisputed 01/23/2026 1119337820 CMS
Medtronic, Inc. $72.68 02/22/2024 Food and Beverage Undisputed 01/23/2026 1119337822 CMS
Medtronic, Inc. $67.32 02/23/2024 Travel and Lodging Undisputed 01/23/2026 1119337778 CMS
Medtronic, Inc. $60.68 02/23/2024 Travel and Lodging Undisputed 01/23/2026 1119337780 CMS
Medtronic, Inc. $60.68 02/23/2024 Travel and Lodging Undisputed 01/23/2026 1119337782 CMS
Medtronic, Inc. $4.98 02/23/2024 Food and Beverage Undisputed 01/23/2026 1119337824 CMS
Medtronic, Inc. $45.15 02/26/2024 Food and Beverage Undisputed 01/23/2026 1119337784 CMS
Medtronic, Inc. $47.46 02/26/2024 Food and Beverage Undisputed 01/23/2026 1119337786 CMS
Medtronic, Inc. $51.98 02/29/2024 Food and Beverage Undisputed 01/23/2026 1119337826 CMS
Medtronic, Inc. $10.60 03/05/2024 Food and Beverage Undisputed 01/23/2026 1119337758 CMS
Medtronic, Inc. $3.82 03/05/2024 Food and Beverage Undisputed 01/23/2026 1119337762 CMS
Medtronic, Inc. $20.07 03/06/2024 Food and Beverage Undisputed 01/23/2026 1119337760 CMS
Medtronic, Inc. $24.74 03/19/2024 Food and Beverage Undisputed 01/23/2026 1119337858 CMS
Medtronic, Inc. $11.50 04/18/2024 Food and Beverage Undisputed 01/23/2026 1119337852 CMS
Medtronic, Inc. $175.00 04/20/2024 Food and Beverage Undisputed 01/23/2026 1119337854 CMS
Medtronic, Inc. $26.40 04/20/2024 Travel and Lodging Undisputed 01/23/2026 1119337856 CMS
Medtronic, Inc. $4.55 05/08/2024 Food and Beverage Undisputed 01/23/2026 1119337862 CMS
Medtronic, Inc. $5.64 05/08/2024 Food and Beverage Undisputed 01/23/2026 1119337864 CMS
Medtronic, Inc. $5.23 05/08/2024 Food and Beverage Undisputed 01/23/2026 1119337866 CMS
Medtronic, Inc. $148.57 05/16/2024 Food and Beverage Undisputed 01/23/2026 1119337868 CMS
Medtronic, Inc. $23.30 05/17/2024 Food and Beverage Undisputed 01/23/2026 1119337870 CMS
Medtronic, Inc. $27.81 05/17/2024 Food and Beverage Undisputed 01/23/2026 1119337872 CMS
Medtronic, Inc. $105.61 05/18/2024 Food and Beverage Undisputed 01/23/2026 1119337860 CMS
Medtronic, Inc. $16.12 06/04/2024 Food and Beverage Undisputed 01/23/2026 1119337874 CMS
Medtronic, Inc. $134.00 06/08/2024 Food and Beverage Undisputed 01/23/2026 1119337876 CMS
Medtronic, Inc. $12.80 06/17/2024 Travel and Lodging Undisputed 01/23/2026 1119337880 CMS
Medtronic, Inc. $9.27 06/17/2024 Food and Beverage Undisputed 01/23/2026 1119337882 CMS
Medtronic, Inc. $79.10 06/22/2024 Food and Beverage Undisputed 01/23/2026 1119337878 CMS
Medtronic, Inc. $26.59 07/03/2024 Food and Beverage Undisputed 01/23/2026 1119337884 CMS
Medtronic, Inc. $37.60 07/23/2024 Food and Beverage Undisputed 01/23/2026 1119337886 CMS
Medtronic, Inc. $39.88 08/12/2024 Food and Beverage Undisputed 01/23/2026 1119337888 CMS
Medtronic, Inc. $13.94 08/13/2024 Food and Beverage Undisputed 01/23/2026 1119337890 CMS
Medtronic, Inc. $92.51 08/13/2024 Food and Beverage Undisputed 01/23/2026 1119337900 CMS
Medtronic, Inc. $2.24 08/28/2024 Food and Beverage Undisputed 01/23/2026 1119337892 CMS
Medtronic, Inc. $18.19 09/03/2024 Food and Beverage Undisputed 01/23/2026 1119337894 CMS
Medtronic, Inc. $15.75 09/24/2024 Food and Beverage Undisputed 01/23/2026 1119337896 CMS
Medtronic, Inc. $24.42 09/27/2024 Food and Beverage Undisputed 01/23/2026 1119337898 CMS
Medtronic, Inc. $113.89 11/13/2024 Food and Beverage Undisputed 01/23/2026 1119337902 CMS
Medtronic, Inc. $164.30 12/10/2024 Food and Beverage Undisputed 01/23/2026 1119337908 CMS
Medtronic, Inc. $20.00 12/11/2024 Travel and Lodging Undisputed 01/23/2026 1119337910 CMS
Medtronic, Inc. $86.72 12/11/2024 Food and Beverage Undisputed 01/23/2026 1119337912 CMS
Medtronic, Inc. $23.76 12/16/2024 Food and Beverage Undisputed 01/23/2026 1119337904 CMS
Medtronic, Inc. $8.39 12/31/2024 Food and Beverage Undisputed 01/23/2026 1119337906 CMS
PFIZER INC. $26.13 08/08/2024 Food and Beverage Undisputed 01/23/2026 1131879997 CMS
Volta Medical Inc $83.33 12/02/2024 Food and Beverage Undisputed 01/23/2026 1119252329 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

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.