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 A PARKER

Allopathic & Osteopathic Physicians Allergy & Immunology

NPI
1780665430
CMS profile
584904
Location
BEAVERCREEK, OH

General Payments · PY2018–2024

$17,233.54

  • Reported across 197 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,071.85

36 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 $1,071.85 36

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $9,151.00 40
PY2019 $4,232.68 33
PY2020 $537.25 17
PY2021 $409.00 13
PY2022 $803.96 26
PY2023 $1,027.80 32
PY2024 $1,071.85 36

Payment records · PY2024 (36)

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
AstraZeneca Pharmaceuticals LP $121.83 03/05/2024 Food and Beverage Undisputed 01/23/2026 1104200519 CMS
AstraZeneca Pharmaceuticals LP $21.61 03/05/2024 Food and Beverage Undisputed 01/23/2026 1104500764 CMS
AstraZeneca Pharmaceuticals LP $13.27 04/23/2024 Food and Beverage Undisputed 01/23/2026 1104449529 CMS
AstraZeneca Pharmaceuticals LP $18.45 05/22/2024 Food and Beverage Undisputed 01/23/2026 1104780992 CMS
AstraZeneca Pharmaceuticals LP $13.96 09/24/2024 Food and Beverage Undisputed 01/23/2026 1104712133 CMS
AstraZeneca Pharmaceuticals LP $124.52 10/24/2024 Food and Beverage Undisputed 01/23/2026 1105294233 CMS
AstraZeneca Pharmaceuticals LP $13.20 11/05/2024 Food and Beverage Undisputed 01/23/2026 1105469211 CMS
Blueprint Medicines Corporation $28.19 08/06/2024 Food and Beverage Undisputed 01/23/2026 1147446446 CMS
Genentech USA, Inc. $17.98 04/30/2024 Food and Beverage Undisputed 01/23/2026 1133133609 CMS
Genentech USA, Inc. $27.49 12/10/2024 Food and Beverage Undisputed 01/23/2026 1133133613 CMS
GENZYME CORPORATION $27.54 01/23/2024 Food and Beverage Undisputed 01/23/2026 1139700351 CMS
GENZYME CORPORATION $120.61 02/15/2024 Food and Beverage Undisputed 01/23/2026 1139700407 CMS
GENZYME CORPORATION $4.09 02/27/2024 Food and Beverage Undisputed 01/23/2026 1139700363 CMS
GENZYME CORPORATION $23.40 04/09/2024 Food and Beverage Undisputed 01/23/2026 1139700373 CMS
GENZYME CORPORATION $7.06 04/23/2024 Food and Beverage Undisputed 01/23/2026 1139700377 CMS
GENZYME CORPORATION $18.13 05/07/2024 Food and Beverage Undisputed 01/23/2026 1139700379 CMS
GENZYME CORPORATION $28.06 07/29/2024 Food and Beverage Undisputed 01/23/2026 1139700439 CMS
GENZYME CORPORATION $20.27 08/27/2024 Food and Beverage Undisputed 01/23/2026 1139700419 CMS
GENZYME CORPORATION $15.58 10/03/2024 Food and Beverage Undisputed 01/23/2026 1139700435 CMS
GENZYME CORPORATION $31.87 11/07/2024 Food and Beverage Undisputed 01/23/2026 1139700487 CMS
GENZYME CORPORATION $26.67 11/12/2024 Food and Beverage Undisputed 01/23/2026 1139700473 CMS
GlaxoSmithKline, LLC. $3.17 05/13/2024 Food and Beverage Undisputed 01/23/2026 1116477422 CMS
GlaxoSmithKline, LLC. $122.62 10/10/2024 Food and Beverage Undisputed 01/23/2026 1116135766 CMS
GlaxoSmithKline, LLC. $23.11 10/10/2024 Food and Beverage Undisputed 01/23/2026 1116647539 CMS
GlaxoSmithKline, LLC. $2.62 12/12/2024 Food and Beverage Undisputed 01/23/2026 1116705170 CMS
Grifols USA, LLC $15.85 10/22/2024 Food and Beverage Undisputed 01/23/2026 1124753580 CMS
kaleo, Inc. $17.69 03/19/2024 Food and Beverage Undisputed 01/23/2026 1126631294 CMS
kaleo, Inc. $17.18 07/16/2024 Food and Beverage Undisputed 01/23/2026 1126631296 CMS
Novartis Pharmaceuticals Corporation $28.98 07/30/2024 Food and Beverage Undisputed 01/23/2026 1087301133 CMS
Optinose US, Inc. $17.03 03/12/2024 Food and Beverage Undisputed 01/23/2026 1142176696 CMS
Optinose US, Inc. $14.15 10/08/2024 Food and Beverage Undisputed 01/23/2026 1142176766 CMS
PFIZER INC. $15.81 07/09/2024 Food and Beverage Undisputed 01/23/2026 1131774077 CMS
PFIZER INC. $15.13 10/29/2024 Food and Beverage Undisputed 01/23/2026 1132123303 CMS
Regeneron Healthcare Solutions, Inc. $24.88 02/20/2024 Food and Beverage Undisputed 01/23/2026 1114131229 CMS
Regeneron Healthcare Solutions, Inc. $13.91 05/14/2024 Food and Beverage Undisputed 01/23/2026 1114131231 CMS
Regeneron Healthcare Solutions, Inc. $15.94 09/17/2024 Food and Beverage Undisputed 01/23/2026 1114131233 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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