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

GERARD CHAAYA

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1508270778
CMS profile
4216640
Location
HOUSTON, TX

General Payments · PY2018–2024

$21,462.95

  • Reported across 821 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$788.29

32 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 $788.29 32

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,115.30 95
PY2019 $1,487.58 66
PY2020 $2,032.67 92
PY2021 $4,152.40 203
PY2022 $6,023.50 190
PY2023 $4,863.21 143
PY2024 $788.29 32

Payment records · PY2024 (32)

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
ARRAY BIOPHARMA INC $21.47 04/11/2024 Food and Beverage Undisputed 01/23/2026 1130930687 CMS
Astellas Pharma US Inc $20.00 01/10/2024 Food and Beverage Undisputed 01/23/2026 1139289156 CMS
Astellas Pharma US Inc $21.00 02/22/2024 Food and Beverage Undisputed 01/23/2026 1139313244 CMS
Astellas Pharma US Inc $21.00 03/21/2024 Food and Beverage Undisputed 01/23/2026 1139297536 CMS
Bayer Healthcare Pharmaceuticals Inc. $24.60 08/23/2024 Food and Beverage Undisputed 01/23/2026 1086208093 CMS
Celgene Corporation $31.74 01/09/2024 Food and Beverage Undisputed 01/23/2026 1101142926 CMS
Celgene Corporation $32.01 05/08/2024 Food and Beverage Undisputed 01/23/2026 1101142950 CMS
Celgene Corporation $31.57 06/12/2024 Food and Beverage Undisputed 01/23/2026 1101142946 CMS
Celgene Corporation $25.83 07/17/2024 Food and Beverage Undisputed 01/23/2026 1101142956 CMS
Celgene Corporation $32.18 07/24/2024 Food and Beverage Undisputed 01/23/2026 1101142960 CMS
E.R. Squibb & Sons, L.L.C. $19.93 03/15/2024 Food and Beverage Undisputed 01/23/2026 1101465171 CMS
Eisai Inc. $20.67 03/21/2024 Food and Beverage Undisputed 01/23/2026 1110746850 CMS
Eisai Inc. $23.23 06/14/2024 Food and Beverage Undisputed 01/23/2026 1110746852 CMS
GENZYME CORPORATION $30.91 05/15/2024 Food and Beverage Undisputed 01/23/2026 1139917677 CMS
GlaxoSmithKline, LLC. $19.99 09/25/2024 Food and Beverage Undisputed 01/23/2026 1115757834 CMS
Janssen Biotech, Inc. $20.11 04/19/2024 Food and Beverage Undisputed 01/23/2026 1078721041 CMS
Novartis Pharmaceuticals Corporation $30.77 03/11/2024 Food and Beverage Undisputed 01/23/2026 1086642005 CMS
Novartis Pharmaceuticals Corporation $21.57 05/21/2024 Food and Beverage Undisputed 01/23/2026 1086642011 CMS
PFIZER INC. $23.19 01/19/2024 Food and Beverage Undisputed 01/23/2026 1130934835 CMS
PFIZER INC. $15.99 04/18/2024 Food and Beverage Undisputed 01/23/2026 1131312359 CMS
PFIZER INC. $24.39 05/02/2024 Food and Beverage Undisputed 01/23/2026 1131333244 CMS
PFIZER INC. $22.67 07/18/2024 Food and Beverage Undisputed 01/23/2026 1131344302 CMS
PharmaEssentia USA Corporation $27.73 02/22/2024 Food and Beverage Undisputed 01/23/2026 1137307904 CMS
PharmaEssentia USA Corporation $29.85 04/10/2024 Food and Beverage Undisputed 01/23/2026 1137307910 CMS
PUMA BIOTECHNOLOGY, INC. $18.92 02/08/2024 Food and Beverage Undisputed 01/23/2026 1113855396 CMS
PUMA BIOTECHNOLOGY, INC. $20.50 05/11/2024 Food and Beverage Undisputed 01/23/2026 1113837604 CMS
PUMA BIOTECHNOLOGY, INC. $14.86 08/16/2024 Food and Beverage Undisputed 01/23/2026 1113849208 CMS
Regeneron Healthcare Solutions, Inc. $38.37 02/20/2024 Food and Beverage Undisputed 01/23/2026 1114020778 CMS
TAIHO ONCOLOGY, INC. $19.17 02/16/2024 Food and Beverage Undisputed 01/23/2026 1137944648 CMS
Tempus AI, Inc $29.63 08/22/2024 Food and Beverage Undisputed 01/23/2026 1150162229 CMS
Tempus AI, Inc $29.63 09/12/2024 Food and Beverage Undisputed 01/23/2026 1150162231 CMS
Tempus AI, Inc $24.81 10/16/2024 Food and Beverage Undisputed 01/23/2026 1150162233 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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