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

MARK L KELDAHL

Allopathic & Osteopathic Physicians Surgery

NPI
1114181658
CMS profile
277593
Location
CHICAGO, IL

General Payments · PY2018–2024

$712,094.54

  • Reported across 251 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$132,924.56

45 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
Consulting Fee $129,704.00 13
Food and Beverage $1,975.15 29
Travel and Lodging $1,245.41 3

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
LeMaitre Vascular, Inc. $128,088.57 14
AngioDynamics, Inc. $2,451.63 10
Inari Medical, Inc. $2,010.07 13
Stryker Corporation $96.80 1
Silk Road Medical, Inc. $77.98 1
Penumbra, Inc. $67.84 1
ORGANOGENESIS INC. $42.40 2
DAVOL INC. $35.45 1
Philips Electronics North America Corporation $33.93 1
Teleflex LLC $19.89 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $84,570.89 33
PY2019 $93,542.24 40
PY2020 $77,443.71 33
PY2021 $94,475.36 18
PY2022 $110,346.09 47
PY2023 $118,791.69 35
PY2024 $132,924.56 45

Payment records · PY2024 (45)

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
AngioDynamics, Inc. $6.23 02/01/2024 Food and Beverage Undisputed 01/23/2026 1095080991 CMS
AngioDynamics, Inc. $7.84 02/08/2024 Food and Beverage Undisputed 01/23/2026 1095080995 CMS
AngioDynamics, Inc. $134.11 04/24/2024 Food and Beverage Undisputed 01/23/2026 1095080997 CMS
AngioDynamics, Inc. $43.75 07/18/2024 Food and Beverage Undisputed 01/23/2026 1095081001 CMS
AngioDynamics, Inc. $242.48 08/16/2024 Food and Beverage Undisputed 01/23/2026 1095081005 CMS
AngioDynamics, Inc. $39.99 08/16/2024 Food and Beverage Undisputed 01/23/2026 1095081008 CMS
AngioDynamics, Inc. $39.18 08/16/2024 Food and Beverage Undisputed 01/23/2026 1095081013 CMS
AngioDynamics, Inc. $62.50 09/23/2024 Food and Beverage Undisputed 01/23/2026 1095081017 CMS
AngioDynamics, Inc. $167.55 09/26/2024 Food and Beverage Undisputed 01/23/2026 1095081022 CMS
AngioDynamics, Inc. $1,708.00 12/03/2024 Consulting Fee Undisputed 01/23/2026 1095081025 CMS
Davol Inc. $35.45 11/06/2024 Food and Beverage Undisputed 01/23/2026 1127655016 CMS
Inari Medical, Inc. $160.93 01/11/2024 Food and Beverage Undisputed 01/23/2026 1140118409 CMS
Inari Medical, Inc. $712.19 02/20/2024 Travel and Lodging Undisputed 01/23/2026 1140118412 CMS
Inari Medical, Inc. $84.98 04/08/2024 Food and Beverage Undisputed 01/23/2026 1140118416 CMS
Inari Medical, Inc. $9.48 04/08/2024 Food and Beverage Undisputed 01/23/2026 1140118420 CMS
Inari Medical, Inc. $40.18 04/08/2024 Food and Beverage Undisputed 01/23/2026 1140118424 CMS
Inari Medical, Inc. $137.02 04/11/2024 Food and Beverage Undisputed 01/23/2026 1140118427 CMS
Inari Medical, Inc. $26.26 04/12/2024 Food and Beverage Undisputed 01/23/2026 1140118431 CMS
Inari Medical, Inc. $232.63 04/12/2024 Food and Beverage Undisputed 01/23/2026 1140118435 CMS
Inari Medical, Inc. $113.07 04/13/2024 Travel and Lodging Undisputed 01/23/2026 1140118439 CMS
Inari Medical, Inc. $27.96 04/13/2024 Food and Beverage Undisputed 01/23/2026 1140118443 CMS
Inari Medical, Inc. $420.15 04/13/2024 Travel and Lodging Undisputed 01/23/2026 1140118446 CMS
Inari Medical, Inc. $11.25 04/20/2024 Food and Beverage Undisputed 01/23/2026 1140118450 CMS
Inari Medical, Inc. $33.97 07/02/2024 Food and Beverage Undisputed 01/23/2026 1140118454 CMS
LeMaitre Vascular, Inc. $10,752.00 01/16/2024 Consulting Fee Undisputed 01/23/2026 1138057724 CMS
LeMaitre Vascular, Inc. $70.99 01/17/2024 Food and Beverage Undisputed 01/23/2026 1138050600 CMS
LeMaitre Vascular, Inc. $9,752.00 02/29/2024 Consulting Fee Undisputed 01/23/2026 1138057836 CMS
LeMaitre Vascular, Inc. $10,239.00 03/21/2024 Consulting Fee Undisputed 01/23/2026 1138057728 CMS
LeMaitre Vascular, Inc. $11,239.00 04/15/2024 Consulting Fee Undisputed 01/23/2026 1138057732 CMS
LeMaitre Vascular, Inc. $10,239.00 06/03/2024 Consulting Fee Undisputed 01/23/2026 1138057736 CMS
LeMaitre Vascular, Inc. $10,239.00 07/09/2024 Consulting Fee Undisputed 01/23/2026 1138057740 CMS
LeMaitre Vascular, Inc. $21.58 07/10/2024 Food and Beverage Undisputed 01/23/2026 1138054136 CMS
LeMaitre Vascular, Inc. $10,239.00 08/13/2024 Consulting Fee Undisputed 01/23/2026 1138059518 CMS
LeMaitre Vascular, Inc. $10,239.00 09/11/2024 Consulting Fee Undisputed 01/23/2026 1138057744 CMS
LeMaitre Vascular, Inc. $10,239.00 09/20/2024 Consulting Fee Undisputed 01/23/2026 1138057748 CMS
LeMaitre Vascular, Inc. $13,341.00 10/23/2024 Consulting Fee Undisputed 01/23/2026 1138059522 CMS
LeMaitre Vascular, Inc. $10,239.00 11/11/2024 Consulting Fee Undisputed 01/23/2026 1138057752 CMS
LeMaitre Vascular, Inc. $11,239.00 12/22/2024 Consulting Fee Undisputed 01/23/2026 1138057756 CMS
Organogenesis Inc. $13.33 04/23/2024 Food and Beverage Undisputed 01/23/2026 1145433970 CMS
Organogenesis Inc. $29.07 08/19/2024 Food and Beverage Undisputed 01/23/2026 1145433972 CMS
Penumbra, Inc. $67.84 04/03/2024 Food and Beverage Undisputed 01/23/2026 1076204298 CMS
Philips North America LLC $33.93 06/12/2024 Food and Beverage Undisputed 01/23/2026 1146892581 CMS
Silk Road Medical, Inc. $77.98 10/15/2024 Food and Beverage Undisputed 01/23/2026 1082260692 CMS
Stryker Corporation $96.80 04/03/2024 Food and Beverage Undisputed 01/23/2026 1119874471 CMS
Teleflex LLC $19.89 11/14/2024 Food and Beverage Undisputed 01/23/2026 1142076539 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.