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

WILLIAM DANIEL CHAPMAN

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1184129512
CMS profile
11328715
Location
CINCINNATI, OH

General Payments · PY2023–2024

$11,649.24

  • Reported across 72 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$10,777.44

60 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

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
ABBVIE INC. $5,113.61 4
EMD Serono, Inc. $3,422.07 4
NOVARTIS PHARMACEUTICALS CORPORATION $599.83 33
Alexion Pharmaceuticals, Inc. $554.66 6
GENZYME CORPORATION $242.34 2
Amgen Inc. $239.70 3
Biogen, Inc. $220.07 3
Genentech USA, Inc. $175.27 3
TG THERAPEUTICS, INC. $123.97 1
E.R. Squibb & Sons, L.L.C. $85.92 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2023 $871.80 12
PY2024 $10,777.44 60

Payment records · PY2024 (60)

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

Program year 2024 2023 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. $7.27 05/15/2024 Food and Beverage Undisputed 01/23/2026 1103444738 CMS
ABBVIE INC. $10.00 05/15/2024 Food and Beverage Undisputed 01/23/2026 1103444740 CMS
ABBVIE INC. $336.34 05/15/2024 Travel and Lodging Undisputed 01/23/2026 1104179992 CMS
ABBVIE INC. $4,760.00 06/04/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1103144567 CMS
Alexion Pharmaceuticals, Inc. $126.81 04/25/2024 Food and Beverage Undisputed 01/23/2026 1093907154 CMS
Alexion Pharmaceuticals, Inc. $100.00 04/26/2024 Education Undisputed 01/23/2026 1093926368 CMS
Alexion Pharmaceuticals, Inc. $50.00 04/26/2024 Education Undisputed 01/23/2026 1093945961 CMS
Alexion Pharmaceuticals, Inc. $127.85 05/29/2024 Food and Beverage Undisputed 01/23/2026 1093986018 CMS
Alexion Pharmaceuticals, Inc. $100.00 06/11/2024 Education Undisputed 01/23/2026 1094020375 CMS
Alexion Pharmaceuticals, Inc. $50.00 06/11/2024 Education Undisputed 01/23/2026 1094022926 CMS
Amgen Inc. $78.77 10/30/2024 Food and Beverage Undisputed 01/23/2026 1115491894 CMS
Amgen Inc. $140.58 12/12/2024 Food and Beverage Undisputed 01/23/2026 1115491897 CMS
Amgen Inc. $20.35 12/13/2024 Food and Beverage Undisputed 01/23/2026 1117524583 CMS
Biogen, Inc. $25.49 03/20/2024 Food and Beverage Undisputed 01/23/2026 1104807017 CMS
Biogen, Inc. $152.78 09/19/2024 Food and Beverage Undisputed 01/23/2026 1104827122 CMS
Biogen, Inc. $41.80 09/19/2024 Food and Beverage Undisputed 01/23/2026 1104869746 CMS
E.R. Squibb & Sons, L.L.C. $85.92 05/08/2024 Food and Beverage Undisputed 01/23/2026 1101290862 CMS
EMD Serono, Inc. $127.08 05/31/2024 Food and Beverage Undisputed 01/23/2026 1120274996 CMS
EMD Serono, Inc. $39.58 08/09/2024 Food and Beverage Undisputed 01/23/2026 1120275016 CMS
EMD Serono, Inc. $3,194.94 10/14/2024 Consulting Fee Undisputed 01/23/2026 1120279786 CMS
EMD Serono, Inc. $60.47 12/03/2024 Food and Beverage Undisputed 01/23/2026 1120275048 CMS
Genentech USA, Inc. $52.39 06/01/2024 Food and Beverage Undisputed 01/23/2026 1133132754 CMS
Genentech USA, Inc. $95.67 09/18/2024 Food and Beverage Undisputed 01/23/2026 1133132762 CMS
Genentech USA, Inc. $27.21 11/08/2024 Food and Beverage Undisputed 01/23/2026 1133132758 CMS
GENZYME CORPORATION $121.17 03/14/2024 Food and Beverage Undisputed 01/23/2026 1139994263 CMS
GENZYME CORPORATION $121.17 10/03/2024 Food and Beverage Undisputed 01/23/2026 1139994337 CMS
Novartis Pharmaceuticals Corporation $17.78 01/16/2024 Food and Beverage Undisputed 01/23/2026 1086740401 CMS
Novartis Pharmaceuticals Corporation $4.93 01/18/2024 Food and Beverage Undisputed 01/23/2026 1086740413 CMS
Novartis Pharmaceuticals Corporation $103.18 01/29/2024 Food and Beverage Undisputed 01/23/2026 1086740407 CMS
Novartis Pharmaceuticals Corporation $9.18 02/01/2024 Food and Beverage Undisputed 01/23/2026 1086740409 CMS
Novartis Pharmaceuticals Corporation $4.88 02/08/2024 Food and Beverage Undisputed 01/23/2026 1086740411 CMS
Novartis Pharmaceuticals Corporation $18.79 02/20/2024 Food and Beverage Undisputed 01/23/2026 1086740415 CMS
Novartis Pharmaceuticals Corporation $7.05 02/29/2024 Food and Beverage Undisputed 01/23/2026 1086740421 CMS
Novartis Pharmaceuticals Corporation $7.95 04/11/2024 Food and Beverage Undisputed 01/23/2026 1086740427 CMS
Novartis Pharmaceuticals Corporation $14.09 04/16/2024 Food and Beverage Undisputed 01/23/2026 1086740423 CMS
Novartis Pharmaceuticals Corporation $10.68 04/18/2024 Food and Beverage Undisputed 01/23/2026 1086740429 CMS
Novartis Pharmaceuticals Corporation $13.29 05/07/2024 Food and Beverage Undisputed 01/23/2026 1086740425 CMS
Novartis Pharmaceuticals Corporation $51.37 05/07/2024 Food and Beverage Undisputed 01/23/2026 1086740495 CMS
Novartis Pharmaceuticals Corporation $6.37 06/05/2024 Food and Beverage Undisputed 01/23/2026 1086740433 CMS
Novartis Pharmaceuticals Corporation $7.80 06/06/2024 Food and Beverage Undisputed 01/23/2026 1086740431 CMS
Novartis Pharmaceuticals Corporation $8.83 07/11/2024 Food and Beverage Undisputed 01/23/2026 1086740439 CMS
Novartis Pharmaceuticals Corporation $21.06 07/30/2024 Food and Beverage Undisputed 01/23/2026 1086740441 CMS
Novartis Pharmaceuticals Corporation $6.29 08/08/2024 Food and Beverage Undisputed 01/23/2026 1086740443 CMS
Novartis Pharmaceuticals Corporation $7.72 08/15/2024 Food and Beverage Undisputed 01/23/2026 1086740455 CMS
Novartis Pharmaceuticals Corporation $11.74 08/20/2024 Food and Beverage Undisputed 01/23/2026 1086740449 CMS
Novartis Pharmaceuticals Corporation $7.86 09/05/2024 Food and Beverage Undisputed 01/23/2026 1086740451 CMS
Novartis Pharmaceuticals Corporation $13.81 10/01/2024 Food and Beverage Undisputed 01/23/2026 1086740453 CMS
Novartis Pharmaceuticals Corporation $7.49 10/03/2024 Food and Beverage Undisputed 01/23/2026 1086740457 CMS
Novartis Pharmaceuticals Corporation $9.32 10/10/2024 Food and Beverage Undisputed 01/23/2026 1086740459 CMS
Novartis Pharmaceuticals Corporation $22.40 10/15/2024 Food and Beverage Undisputed 01/23/2026 1086740461 CMS
Novartis Pharmaceuticals Corporation $128.95 10/23/2024 Food and Beverage Undisputed 01/23/2026 1086740499 CMS
Novartis Pharmaceuticals Corporation $6.40 10/24/2024 Food and Beverage Undisputed 01/23/2026 1086740469 CMS
Novartis Pharmaceuticals Corporation $12.48 10/28/2024 Food and Beverage Undisputed 01/23/2026 1086740467 CMS
Novartis Pharmaceuticals Corporation $6.40 11/07/2024 Food and Beverage Undisputed 01/23/2026 1086740471 CMS
Novartis Pharmaceuticals Corporation $6.48 11/14/2024 Food and Beverage Undisputed 01/23/2026 1086740475 CMS
Novartis Pharmaceuticals Corporation $7.98 12/05/2024 Food and Beverage Undisputed 01/23/2026 1086740477 CMS
Novartis Pharmaceuticals Corporation $6.61 12/12/2024 Food and Beverage Undisputed 01/23/2026 1086740479 CMS
Novartis Pharmaceuticals Corporation $24.19 12/17/2024 Food and Beverage Undisputed 01/23/2026 1086740481 CMS
Novartis Pharmaceuticals Corporation $6.48 12/19/2024 Food and Beverage Undisputed 01/23/2026 1086740483 CMS
TG Therapeutics, Inc. $123.97 07/11/2024 Food and Beverage Undisputed 01/23/2026 1136884058 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
2023, 2024
Source files
Dataset page · Bulk file · PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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