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

ADAM ANTON SASSOON

Allopathic & Osteopathic Physicians Orthopaedic Surgery Adult Reconstructive Orthopaedic Surgery

NPI
1750580882
CMS profile
351868
Location
LOS ANGELES, CA

General Payments · PY2018–2024

$240,923.86

  • Reported across 345 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$7,345.42

22 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 $5,500.00 7
Food and Beverage $1,845.42 15

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Zimmer Biomet Holdings, Inc. $4,349.50 14
BIOCOMPOSITES INC $2,416.96 3
Smith & Nephew, Inc. $365.04 3
ORTHALIGN INC $213.92 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $22,284.82 58
PY2019 $47,973.00 76
PY2020 $46,433.36 34
PY2021 $40,135.49 69
PY2022 $23,699.96 29
PY2023 $53,051.81 57
PY2024 $7,345.42 22

Payment records · PY2024 (22)

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
BIOCOMPOSITES INC $166.96 06/28/2024 Food and Beverage Undisputed 01/23/2026 1146432908 CMS
BIOCOMPOSITES INC $1,500.00 09/05/2024 Consulting Fee Undisputed 01/23/2026 1146435492 CMS
BIOCOMPOSITES INC $750.00 09/05/2024 Consulting Fee Undisputed 01/23/2026 1146435494 CMS
ORTHALIGN INC $59.62 10/07/2024 Food and Beverage Undisputed 01/23/2026 1126500970 CMS
ORTHALIGN INC $154.30 11/08/2024 Food and Beverage Undisputed 01/23/2026 1126500972 CMS
Smith+Nephew, Inc. $149.54 02/08/2024 Food and Beverage Undisputed 01/23/2026 1149503050 CMS
Smith+Nephew, Inc. $43.23 05/15/2024 Food and Beverage Undisputed 01/23/2026 1149503048 CMS
Smith+Nephew, Inc. $172.27 11/07/2024 Food and Beverage Undisputed 01/23/2026 1149503052 CMS
Zimmer Biomet Holdings, Inc. $1,250.00 01/31/2024 Consulting Fee Undisputed 01/23/2026 1155021971 CMS
Zimmer Biomet Holdings, Inc. $190.26 02/16/2024 Food and Beverage Undisputed 01/23/2026 1155021939 CMS
Zimmer Biomet Holdings, Inc. $192.69 02/21/2024 Food and Beverage Undisputed 01/23/2026 1155021943 CMS
Zimmer Biomet Holdings, Inc. $127.74 02/21/2024 Food and Beverage Undisputed 01/23/2026 1155021949 CMS
Zimmer Biomet Holdings, Inc. $250.00 03/28/2024 Consulting Fee Undisputed 01/23/2026 1155021967 CMS
Zimmer Biomet Holdings, Inc. $500.00 03/28/2024 Consulting Fee Undisputed 01/23/2026 1155021969 CMS
Zimmer Biomet Holdings, Inc. $500.00 03/28/2024 Consulting Fee Undisputed 01/23/2026 1155021977 CMS
Zimmer Biomet Holdings, Inc. $199.82 05/07/2024 Food and Beverage Undisputed 01/23/2026 1155021981 CMS
Zimmer Biomet Holdings, Inc. $50.05 05/08/2024 Food and Beverage Undisputed 01/23/2026 1155021983 CMS
Zimmer Biomet Holdings, Inc. $35.51 10/22/2024 Food and Beverage Undisputed 01/23/2026 1155022083 CMS
Zimmer Biomet Holdings, Inc. $150.00 11/07/2024 Food and Beverage Undisputed 01/23/2026 1155022111 CMS
Zimmer Biomet Holdings, Inc. $99.78 11/08/2024 Food and Beverage Undisputed 01/23/2026 1155022087 CMS
Zimmer Biomet Holdings, Inc. $53.65 11/15/2024 Food and Beverage Undisputed 01/23/2026 1155022107 CMS
Zimmer Biomet Holdings, Inc. $750.00 12/11/2024 Consulting Fee Undisputed 01/23/2026 1155022091 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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