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

MATTHEW D MCELVEEN

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1245395573
CMS profile
146901
Location
SLIDELL, LA

General Payments · PY2018–2024

$2,241.90

  • Reported across 132 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$482.52

26 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 $482.52 26

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $203.00 15
PY2019 $352.72 23
PY2020 $232.27 8
PY2021 $415.09 27
PY2022 $367.21 22
PY2023 $189.09 11
PY2024 $482.52 26

Payment records · PY2024 (26)

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
ABBVIE INC. $17.42 04/15/2024 Food and Beverage Undisputed 01/23/2026 1105000845 CMS
ABBVIE INC. $15.88 12/10/2024 Food and Beverage Undisputed 01/23/2026 1105000847 CMS
Apellis Pharmaceuticals, Inc. $15.40 10/30/2024 Food and Beverage Undisputed 01/23/2026 1154025907 CMS
ARRAY BIOPHARMA INC $14.37 12/10/2024 Food and Beverage Undisputed 01/23/2026 1131264336 CMS
Astellas Pharma US Inc $25.45 02/14/2024 Food and Beverage Undisputed 01/23/2026 1139309318 CMS
Astellas Pharma US Inc $27.76 11/22/2024 Food and Beverage Undisputed 01/23/2026 1139443160 CMS
Celgene Corporation $15.77 03/20/2024 Food and Beverage Undisputed 01/23/2026 1101116016 CMS
Celgene Corporation $16.37 05/08/2024 Food and Beverage Undisputed 01/23/2026 1101116020 CMS
Celgene Corporation $15.90 07/29/2024 Food and Beverage Undisputed 01/23/2026 1101116024 CMS
Daiichi Sankyo Inc. $19.59 12/04/2024 Food and Beverage Undisputed 01/23/2026 1089454736 CMS
Eisai Inc. $23.38 12/23/2024 Food and Beverage Undisputed 01/23/2026 1110764577 CMS
EMD Serono, Inc. $14.94 05/29/2024 Food and Beverage Undisputed 01/23/2026 1120228880 CMS
Genentech USA, Inc. $20.01 10/23/2024 Food and Beverage Undisputed 01/23/2026 1133066164 CMS
Genentech USA, Inc. $19.44 11/25/2024 Food and Beverage Undisputed 01/23/2026 1133066160 CMS
Gilead Sciences, Inc. $13.64 10/13/2024 Food and Beverage Undisputed 01/23/2026 1133801880 CMS
GlaxoSmithKline, LLC. $16.45 12/18/2024 Food and Beverage Undisputed 01/23/2026 1116351684 CMS
Janssen Biotech, Inc. $32.33 04/16/2024 Food and Beverage Undisputed 01/23/2026 1078685001 CMS
Lilly USA, LLC $22.05 06/19/2024 Food and Beverage Undisputed 01/23/2026 1135170340 CMS
Lilly USA, LLC $15.74 11/06/2024 Food and Beverage Undisputed 01/23/2026 1135183649 CMS
Novartis Pharmaceuticals Corporation $14.22 01/04/2024 Food and Beverage Undisputed 01/23/2026 1087126234 CMS
Novartis Pharmaceuticals Corporation $16.68 05/22/2024 Food and Beverage Undisputed 01/23/2026 1087126240 CMS
Novartis Pharmaceuticals Corporation $16.57 06/05/2024 Food and Beverage Undisputed 01/23/2026 1087126242 CMS
PFIZER INC. $21.45 04/29/2024 Food and Beverage Undisputed 01/23/2026 1131305744 CMS
PROGENICS PHARMACEUTICALS, INC. $18.82 07/25/2024 Food and Beverage Undisputed 01/23/2026 1128508474 CMS
SHIELD THERAPEUTICS INC $15.59 11/18/2024 Food and Beverage Undisputed 01/23/2026 1150154600 CMS
Tempus AI, Inc $17.30 01/16/2024 Food and Beverage Undisputed 01/23/2026 1150169594 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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