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

GREGORY M COWAN

Allopathic & Osteopathic Physicians Allergy & Immunology

NPI
1164756904
CMS profile
279430
Location
PEORIA, AZ

General Payments · PY2018–2024

$4,694.83

  • Reported across 261 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$399.96

27 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 $355.83 24
Consulting Fee $28.86 2
Education $15.27 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,161.30 60
PY2019 $940.70 43
PY2020 $505.93 28
PY2021 $539.01 33
PY2022 $583.23 36
PY2023 $564.70 34
PY2024 $399.96 27

Payment records · PY2024 (27)

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
ADMA BioManufacturing LLC $10.44 11/21/2024 Consulting Fee Undisputed 01/23/2026 1149638630 CMS
ADMA BioManufacturing LLC $18.42 12/06/2024 Consulting Fee Undisputed 01/23/2026 1149638650 CMS
AstraZeneca Pharmaceuticals LP $15.37 02/26/2024 Food and Beverage Undisputed 01/23/2026 1105729887 CMS
CSL Behring $14.89 09/24/2024 Food and Beverage Undisputed 01/23/2026 1134633673 CMS
CSL Behring $24.85 10/11/2024 Food and Beverage Undisputed 01/23/2026 1134633677 CMS
CSL Behring $19.55 11/19/2024 Food and Beverage Undisputed 01/23/2026 1134633751 CMS
Genentech USA, Inc. $17.10 02/29/2024 Food and Beverage Undisputed 01/23/2026 1133016412 CMS
GENZYME CORPORATION $25.37 08/15/2024 Food and Beverage Undisputed 01/23/2026 1139818429 CMS
GENZYME CORPORATION $13.08 11/25/2024 Food and Beverage Undisputed 01/23/2026 1139818497 CMS
Hikma Pharmaceuticals USA $21.58 11/14/2024 Food and Beverage Undisputed 01/23/2026 1127505386 CMS
Novartis Pharmaceuticals Corporation $27.77 01/19/2024 Food and Beverage Undisputed 01/23/2026 1086737091 CMS
PFIZER INC. $15.27 10/24/2024 Education Undisputed 01/23/2026 1131988007 CMS
Takeda Pharmaceuticals U.S.A., Inc. $12.06 01/11/2024 Food and Beverage Undisputed 01/23/2026 1137519977 CMS
Takeda Pharmaceuticals U.S.A., Inc. $1.99 02/09/2024 Food and Beverage Undisputed 01/23/2026 1137519981 CMS
Takeda Pharmaceuticals U.S.A., Inc. $29.33 02/09/2024 Food and Beverage Undisputed 01/23/2026 1137519985 CMS
Takeda Pharmaceuticals U.S.A., Inc. $10.73 03/01/2024 Food and Beverage Undisputed 01/23/2026 1137519989 CMS
Takeda Pharmaceuticals U.S.A., Inc. $23.01 04/05/2024 Food and Beverage Undisputed 01/23/2026 1137519993 CMS
Takeda Pharmaceuticals U.S.A., Inc. $2.40 04/05/2024 Food and Beverage Undisputed 01/23/2026 1137519997 CMS
Takeda Pharmaceuticals U.S.A., Inc. $12.25 04/25/2024 Food and Beverage Undisputed 01/23/2026 1137520000 CMS
Takeda Pharmaceuticals U.S.A., Inc. $16.79 05/30/2024 Food and Beverage Undisputed 01/23/2026 1137520004 CMS
Takeda Pharmaceuticals U.S.A., Inc. $2.30 05/30/2024 Food and Beverage Undisputed 01/23/2026 1137520008 CMS
Takeda Pharmaceuticals U.S.A., Inc. $11.11 06/25/2024 Food and Beverage Undisputed 01/23/2026 1137520012 CMS
Takeda Pharmaceuticals U.S.A., Inc. $9.77 08/20/2024 Food and Beverage Undisputed 01/23/2026 1137520016 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.51 09/24/2024 Food and Beverage Undisputed 01/23/2026 1137520020 CMS
Takeda Pharmaceuticals U.S.A., Inc. $2.50 09/24/2024 Food and Beverage Undisputed 01/23/2026 1137520024 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.83 11/04/2024 Food and Beverage Undisputed 01/23/2026 1137520027 CMS
Takeda Pharmaceuticals U.S.A., Inc. $1.69 11/04/2024 Food and Beverage Undisputed 01/23/2026 1137520031 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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