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

DEMETRIUS K LOPES

Allopathic & Osteopathic Physicians Neurological Surgery

NPI
1184693244
CMS profile
53027
Location
PARK RIDGE, IL

General Payments · PY2018–2024

$347,174.49

  • Reported across 271 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,503.99

10 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
Travel and Lodging $1,302.71 6
Food and Beverage $201.28 4

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Siemens Medical Solutions USA, Inc. $1,458.96 9
Stryker Corporation $45.03 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $87,549.13 42
PY2019 $62,301.68 39
PY2020 $16,347.03 9
PY2021 $77,849.22 64
PY2022 $77,452.12 94
PY2023 $24,171.32 13
PY2024 $1,503.99 10

Payment records · PY2024 (10)

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
Siemens Medical Solutions USA, Inc. $459.53 04/08/2024 Travel and Lodging Undisputed 01/23/2026 1093686316 CMS
Siemens Medical Solutions USA, Inc. $65.00 04/16/2024 Travel and Lodging Undisputed 01/23/2026 1093686318 CMS
Siemens Medical Solutions USA, Inc. $60.03 04/26/2024 Food and Beverage Undisputed 01/23/2026 1093686320 CMS
Siemens Medical Solutions USA, Inc. $49.92 04/26/2024 Food and Beverage Undisputed 01/23/2026 1093686322 CMS
Siemens Medical Solutions USA, Inc. $481.18 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1093696554 CMS
Siemens Medical Solutions USA, Inc. $65.00 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1093696556 CMS
Siemens Medical Solutions USA, Inc. $116.00 10/13/2024 Travel and Lodging Undisputed 01/23/2026 1093696558 CMS
Siemens Medical Solutions USA, Inc. $116.00 10/14/2024 Travel and Lodging Undisputed 01/23/2026 1093696560 CMS
Siemens Medical Solutions USA, Inc. $46.30 10/16/2024 Food and Beverage Undisputed 01/23/2026 1093696562 CMS
Stryker Corporation $45.03 02/12/2024 Food and Beverage Undisputed 01/23/2026 1119897685 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.