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

CHRISTOPHER DEMASSI

Allopathic & Osteopathic Physicians Neurological Surgery

NPI
1093926115
CMS profile
821375
Location
HOLLYWOOD, FL

General Payments · PY2018–2024

$14,475.78

  • Reported across 130 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,100.63

27 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 $3,080.63 26
Education $20.00 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Abbott Laboratories $1,140.78 9
Stryker Corporation $941.42 9
BAXTER HEALTHCARE $407.54 3
Intrinsic Therapeutics $139.42 1
Nalu Medical, Inc. $132.74 1
BOSTON SCIENTIFIC CORPORATION $113.99 1
Globus Medical, Inc. $107.95 1
Integra LifeSciences Corporation $96.79 1
CSL Behring $20.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,019.30 13
PY2019 $1,176.73 11
PY2020 $917.34 8
PY2021 $1,286.28 11
PY2022 $2,737.69 28
PY2023 $4,237.81 32
PY2024 $3,100.63 27

Payment records · PY2024 (27)

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 $105.02 02/27/2024 Food and Beverage Undisputed 01/23/2026 1124843644 CMS
Abbott Laboratories $131.71 06/21/2024 Food and Beverage Undisputed 01/23/2026 1124843648 CMS
Abbott Laboratories $160.68 08/13/2024 Food and Beverage Undisputed 01/23/2026 1124843673 CMS
Abbott Laboratories $148.80 10/09/2024 Food and Beverage Undisputed 01/23/2026 1124843651 CMS
Abbott Laboratories $157.48 11/19/2024 Food and Beverage Undisputed 01/23/2026 1124843655 CMS
Abbott Laboratories $151.39 11/20/2024 Food and Beverage Undisputed 01/23/2026 1124843659 CMS
Abbott Laboratories $108.41 11/22/2024 Food and Beverage Undisputed 01/23/2026 1124843662 CMS
Abbott Laboratories $150.27 11/22/2024 Food and Beverage Undisputed 01/23/2026 1124843666 CMS
Abbott Laboratories $27.02 12/31/2024 Food and Beverage Undisputed 01/23/2026 1124843669 CMS
Baxter Healthcare $145.25 04/02/2024 Food and Beverage Undisputed 01/23/2026 1120587209 CMS
Baxter Healthcare $137.76 07/16/2024 Food and Beverage Undisputed 01/23/2026 1120587201 CMS
Baxter Healthcare $124.53 08/13/2024 Food and Beverage Undisputed 01/23/2026 1120587205 CMS
Boston Scientific Corporation $113.99 04/30/2024 Food and Beverage Undisputed 01/23/2026 1092421303 CMS
CSL Behring $20.00 02/07/2024 Education Undisputed 01/23/2026 1134664851 CMS
Globus Medical, Inc. $107.95 05/14/2024 Food and Beverage Undisputed 01/23/2026 1145025690 CMS
Integra LifeSciences Corporation $96.79 05/21/2024 Food and Beverage Undisputed 01/23/2026 1140086465 CMS
Intrinsic Therapeutics $139.42 04/18/2024 Food and Beverage Undisputed 01/23/2026 1144701180 CMS
Nalu Medical, Inc. $132.74 05/28/2024 Food and Beverage Undisputed 01/23/2026 1133986131 CMS
Stryker Corporation $154.58 01/23/2024 Food and Beverage Undisputed 01/23/2026 1119812579 CMS
Stryker Corporation $132.96 03/26/2024 Food and Beverage Undisputed 01/23/2026 1119812581 CMS
Stryker Corporation $154.24 05/07/2024 Food and Beverage Undisputed 01/23/2026 1119812583 CMS
Stryker Corporation $136.56 06/08/2024 Food and Beverage Undisputed 01/23/2026 1119812585 CMS
Stryker Corporation $19.35 06/08/2024 Food and Beverage Undisputed 01/23/2026 1119812587 CMS
Stryker Corporation $15.54 06/08/2024 Food and Beverage Undisputed 01/23/2026 1119812589 CMS
Stryker Corporation $39.86 07/12/2024 Food and Beverage Undisputed 01/23/2026 1119812591 CMS
Stryker Corporation $133.86 07/23/2024 Food and Beverage Undisputed 01/23/2026 1119812593 CMS
Stryker Corporation $154.47 12/10/2024 Food and Beverage Undisputed 01/23/2026 1119812595 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.