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 NATHAN BELKIN

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1023499498
CMS profile
1318531
Location
CHICAGO, IL

General Payments · PY2018–2024

$18,858.76

  • Reported across 174 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,407.50

19 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 $1,182.50 17
Consulting Fee $200.00 1
Travel and Lodging $25.00 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $475.52 16
PY2019 $1,333.49 38
PY2020 $459.92 18
PY2021 $12,349.20 27
PY2022 $1,110.72 23
PY2023 $1,722.41 33
PY2024 $1,407.50 19

Payment records · PY2024 (19)

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 $105.67 03/13/2024 Food and Beverage Undisputed 01/23/2026 1124802544 CMS
Abbott Laboratories $144.77 03/14/2024 Food and Beverage Undisputed 01/23/2026 1124802546 CMS
Abbott Laboratories $163.50 04/18/2024 Food and Beverage Undisputed 01/23/2026 1124802548 CMS
Abbott Laboratories $111.41 08/07/2024 Food and Beverage Undisputed 01/23/2026 1124802550 CMS
Abbott Laboratories $130.67 12/02/2024 Food and Beverage Undisputed 01/23/2026 1124802552 CMS
AstraZeneca Pharmaceuticals LP $16.64 10/02/2024 Food and Beverage Undisputed 01/23/2026 1104460498 CMS
AstraZeneca Pharmaceuticals LP $19.87 12/10/2024 Food and Beverage Undisputed 01/23/2026 1105888825 CMS
Bayer Healthcare Pharmaceuticals Inc. $200.00 09/23/2024 Consulting Fee Undisputed 01/23/2026 1086129236 CMS
CVRx, Inc. $123.07 08/05/2024 Food and Beverage Undisputed 01/23/2026 1127676302 CMS
E.R. Squibb & Sons, L.L.C. $21.21 11/06/2024 Food and Beverage Undisputed 01/23/2026 1101358600 CMS
Medtronic, Inc. $30.00 08/22/2024 Food and Beverage Undisputed 01/23/2026 1117032364 CMS
Medtronic, Inc. $25.00 08/22/2024 Travel and Lodging Undisputed 01/23/2026 1117032366 CMS
Medtronic, Inc. $109.52 08/22/2024 Food and Beverage Undisputed 01/23/2026 1117032368 CMS
Paragonix Technologies, Inc. $51.85 02/25/2024 Food and Beverage Undisputed 01/23/2026 1101026082 CMS
Paragonix Technologies, Inc. $86.26 03/19/2024 Food and Beverage Undisputed 01/23/2026 1101026084 CMS
PFIZER INC. $17.14 09/10/2024 Food and Beverage Undisputed 01/23/2026 1131982819 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $14.44 03/25/2024 Food and Beverage Undisputed 01/23/2026 1080656507 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $9.99 06/05/2024 Food and Beverage Undisputed 01/23/2026 1080656621 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $26.49 06/25/2024 Food and Beverage Undisputed 01/23/2026 1080656641 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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