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

NICHOLAS H MAASSEN

Allopathic & Osteopathic Physicians Orthopaedic Surgery

NPI
1477718302
CMS profile
1380638
Location
CHICAGO, IL

General Payments · PY2018–2024

$4,658.90

  • Reported across 25 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,222.13

9 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 $732.33 3
Consulting Fee $250.00 1
Food and Beverage $239.80 5

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
restor3d, inc. $1,021.65 6
EXACTECH, INC. $154.74 1
Stryker Corporation $29.74 1
Medical Device Business Services, Inc. $16.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,397.92 5
PY2019 $106.65 1
PY2020 $25.79 1
PY2021 $1,444.08 3
PY2022 $356.22 4
PY2023 $106.11 2
PY2024 $1,222.13 9

Payment records · PY2024 (9)

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
EXACTECH, INC. $154.74 10/16/2024 Food and Beverage Undisputed 01/23/2026 1151236887 CMS
Medical Device Business Services, Inc. $16.00 02/27/2024 Food and Beverage Undisputed 01/23/2026 1077781036 CMS
restor3d, inc. $357.96 08/20/2024 Travel and Lodging Undisputed 01/23/2026 1076141639 CMS
restor3d, inc. $319.42 11/02/2024 Travel and Lodging Undisputed 01/23/2026 1074546067 CMS
restor3d, inc. $13.47 11/02/2024 Food and Beverage Undisputed 01/23/2026 1074546071 CMS
restor3d, inc. $25.85 11/02/2024 Food and Beverage Undisputed 01/23/2026 1074769057 CMS
restor3d, inc. $54.95 11/03/2024 Travel and Lodging Undisputed 01/23/2026 1075523344 CMS
restor3d, inc. $250.00 11/21/2024 Consulting Fee Undisputed 01/23/2026 1087635312 CMS
Stryker Corporation $29.74 07/08/2024 Food and Beverage Undisputed 01/23/2026 1119900547 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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