Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

LEONARD GIANNONE

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1245297571
CMS profile
853889
Location
SPRINGFIELD, IL

General Payments · PY2019–2025

$346.81

  • Reported across 9 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$116.66

4 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $86.01 3
Education $30.65 1

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Daiichi Sankyo Inc. $39.38 1
PFIZER INC. $30.65 1
NOVARTIS PHARMACEUTICALS CORPORATION $24.31 1
Janssen Scientific Affairs, LLC $22.32 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $84.95 1
PY2021 $123.27 3
PY2024 $21.93 1
PY2025 $116.66 4

Payment records · PY2025 (4)

Sorted by paying entity, then date · as published by CMS

Program year 2025 201920212024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Daiichi Sankyo Inc. $39.38 01/17/2025 Food and Beverage Undisputed 06/30/2026 1197076463 CMS
Janssen Scientific Affairs, LLC $22.32 07/15/2025 Food and Beverage Undisputed 06/30/2026 1174166416 CMS
Novartis Pharmaceuticals Corporation $24.31 04/25/2025 Food and Beverage Undisputed 06/30/2026 1200380272 CMS
PFIZER INC. $30.65 08/29/2025 Education Undisputed 06/30/2026 1230191474 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2021, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2021 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.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.

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