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 P GIANAKOPOULOS

Allopathic & Osteopathic Physicians Urology

NPI
1841239142
CMS profile
265391
Location
LONDON, OH

General Payments · PY2018–2024

$4,828.50

  • Reported across 187 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$647.31

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 $607.32 25
Education $39.99 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,035.61 40
PY2019 $580.79 23
PY2020 $384.88 14
PY2021 $503.60 17
PY2022 $930.09 31
PY2023 $746.22 36
PY2024 $647.31 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. $30.42 09/04/2024 Food and Beverage Undisputed 01/23/2026 1103794309 CMS
Antares Pharma, Inc. $32.08 04/03/2024 Food and Beverage Undisputed 01/23/2026 1146459785 CMS
Antares Pharma, Inc. $23.91 05/29/2024 Food and Beverage Undisputed 01/23/2026 1146459790 CMS
Antares Pharma, Inc. $19.02 07/10/2024 Food and Beverage Undisputed 01/23/2026 1146459794 CMS
Antares Pharma, Inc. $20.65 10/16/2024 Food and Beverage Undisputed 01/23/2026 1146459798 CMS
Astellas Pharma US Inc $23.43 02/24/2024 Food and Beverage Undisputed 01/23/2026 1139319996 CMS
Astellas Pharma US Inc $20.69 03/29/2024 Food and Beverage Undisputed 01/23/2026 1139303886 CMS
Bayer Healthcare Pharmaceuticals Inc. $29.50 03/22/2024 Food and Beverage Undisputed 01/23/2026 1086148225 CMS
Bayer Healthcare Pharmaceuticals Inc. $27.45 10/25/2024 Food and Beverage Undisputed 01/23/2026 1086219015 CMS
Dendreon Pharmaceuticals LLC $16.87 04/10/2024 Food and Beverage Undisputed 01/23/2026 1149316224 CMS
Dendreon Pharmaceuticals LLC $13.30 09/04/2024 Food and Beverage Undisputed 01/23/2026 1149316226 CMS
Endo USA, Inc. $14.74 10/10/2024 Food and Beverage Undisputed 01/23/2026 1138580899 CMS
Janssen Biotech, Inc. $20.76 03/13/2024 Food and Beverage Undisputed 01/23/2026 1078506471 CMS
Janssen Biotech, Inc. $15.79 11/13/2024 Food and Beverage Undisputed 01/23/2026 1078506467 CMS
Merck Sharp & Dohme LLC $109.61 07/23/2024 Food and Beverage Undisputed 01/23/2026 1141764153 CMS
PFIZER INC. $39.99 02/28/2024 Education Undisputed 01/23/2026 1131520483 CMS
PFIZER INC. $19.91 03/20/2024 Food and Beverage Undisputed 01/23/2026 1131458149 CMS
PFIZER INC. $26.21 05/22/2024 Food and Beverage Undisputed 01/23/2026 1131583813 CMS
PROGENICS PHARMACEUTICALS, INC. $17.20 01/24/2024 Food and Beverage Undisputed 01/23/2026 1128514535 CMS
PROGENICS PHARMACEUTICALS, INC. $16.80 09/11/2024 Food and Beverage Undisputed 01/23/2026 1128504582 CMS
Sumitomo Pharma America, Inc. $17.61 03/14/2024 Food and Beverage Undisputed 01/23/2026 1148855721 CMS
Sumitomo Pharma America, Inc. $16.05 03/23/2024 Food and Beverage Undisputed 01/23/2026 1148855723 CMS
Sumitomo Pharma America, Inc. $18.85 06/27/2024 Food and Beverage Undisputed 01/23/2026 1148855725 CMS
Sumitomo Pharma America, Inc. $18.89 10/23/2024 Food and Beverage Undisputed 01/23/2026 1148855727 CMS
UROGEN PHARMA, INC. $17.74 03/20/2024 Food and Beverage Undisputed 01/23/2026 1137927040 CMS
VERTEX PHARMACEUTICALS INCORPORATED $19.84 11/14/2024 Food and Beverage Undisputed 01/23/2026 1105905613 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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