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 GREISNER

Allopathic & Osteopathic Physicians Allergy & Immunology

NPI
1720095334
CMS profile
259552
Location
LEXINGTON, KY

General Payments · PY2018–2024

$25,855.28

  • Reported across 610 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$8,001.13

93 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
Consulting Fee $4,625.00 1
Food and Beverage $2,514.46 88
Travel and Lodging $762.68 3
Education $98.99 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $920.28 43
PY2019 $4,384.49 67
PY2020 $1,859.75 65
PY2021 $2,403.42 103
PY2022 $2,755.27 121
PY2023 $5,530.94 118
PY2024 $8,001.13 93

Payment records · PY2024 (93)

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
ALK-Abello, Inc $16.12 10/30/2024 Food and Beverage Undisputed 01/23/2026 1099891195 CMS
Amgen Inc. $21.20 06/14/2024 Food and Beverage Undisputed 01/23/2026 1115679807 CMS
Amgen Inc. $23.84 07/17/2024 Food and Beverage Undisputed 01/23/2026 1115679815 CMS
Amgen Inc. $23.05 10/12/2024 Food and Beverage Undisputed 01/23/2026 1115679823 CMS
Amgen Inc. $15.86 10/23/2024 Food and Beverage Undisputed 01/23/2026 1115679831 CMS
Amgen Inc. $22.52 11/20/2024 Food and Beverage Undisputed 01/23/2026 1115679839 CMS
Amgen Inc. $21.18 12/12/2024 Food and Beverage Undisputed 01/23/2026 1115679848 CMS
AstraZeneca Pharmaceuticals LP $15.68 01/18/2024 Food and Beverage Undisputed 01/23/2026 1110552250 CMS
AstraZeneca Pharmaceuticals LP $181.76 02/01/2024 Food and Beverage Undisputed 01/23/2026 1110534592 CMS
AstraZeneca Pharmaceuticals LP $25.23 02/03/2024 Food and Beverage Undisputed 01/23/2026 1110548928 CMS
AstraZeneca Pharmaceuticals LP $46.38 04/13/2024 Food and Beverage Undisputed 01/23/2026 1110546807 CMS
AstraZeneca Pharmaceuticals LP $21.74 08/12/2024 Food and Beverage Undisputed 01/23/2026 1110546673 CMS
AstraZeneca Pharmaceuticals LP $13.91 11/18/2024 Food and Beverage Undisputed 01/23/2026 1110542745 CMS
Blueprint Medicines Corporation $22.26 03/01/2024 Food and Beverage Undisputed 01/23/2026 1147451547 CMS
Blueprint Medicines Corporation $19.11 05/28/2024 Food and Beverage Undisputed 01/23/2026 1147451587 CMS
Blueprint Medicines Corporation $107.39 07/17/2024 Food and Beverage Undisputed 01/23/2026 1147451691 CMS
Blueprint Medicines Corporation $20.67 11/08/2024 Food and Beverage Undisputed 01/23/2026 1147451663 CMS
CSL Behring $16.82 01/16/2024 Food and Beverage Undisputed 01/23/2026 1134652499 CMS
CSL Behring $13.93 01/17/2024 Food and Beverage Undisputed 01/23/2026 1134652501 CMS
CSL Behring $23.94 10/29/2024 Food and Beverage Undisputed 01/23/2026 1134652617 CMS
CSL Behring $42.33 11/22/2024 Food and Beverage Undisputed 01/23/2026 1134652625 CMS
Genentech USA, Inc. $23.75 02/26/2024 Food and Beverage Undisputed 01/23/2026 1133133110 CMS
Genentech USA, Inc. $50.00 09/28/2024 Food and Beverage Undisputed 01/23/2026 1133133069 CMS
Genentech USA, Inc. $50.00 09/28/2024 Food and Beverage Undisputed 01/23/2026 1133133073 CMS
Genentech USA, Inc. $60.01 09/28/2024 Food and Beverage Undisputed 01/23/2026 1133133077 CMS
Genentech USA, Inc. $4,625.00 09/28/2024 Consulting Fee Undisputed 01/23/2026 1133133081 CMS
Genentech USA, Inc. $249.66 09/28/2024 Travel and Lodging Undisputed 01/23/2026 1133133085 CMS
Genentech USA, Inc. $467.92 09/28/2024 Travel and Lodging Undisputed 01/23/2026 1133133089 CMS
Genentech USA, Inc. $81.89 09/28/2024 Food and Beverage Undisputed 01/23/2026 1133133094 CMS
Genentech USA, Inc. $45.10 09/28/2024 Travel and Lodging Undisputed 01/23/2026 1133133098 CMS
Genentech USA, Inc. $103.21 10/30/2024 Food and Beverage Undisputed 01/23/2026 1133133102 CMS
Genentech USA, Inc. $14.08 12/19/2024 Food and Beverage Undisputed 01/23/2026 1133133106 CMS
Genentech, Inc. $19.39 04/12/2024 Food and Beverage Undisputed 01/23/2026 1133133113 CMS
GENZYME CORPORATION $51.36 01/05/2024 Food and Beverage Undisputed 01/23/2026 1139643234 CMS
GENZYME CORPORATION $27.50 01/11/2024 Food and Beverage Undisputed 01/23/2026 1139643244 CMS
GENZYME CORPORATION $16.71 01/30/2024 Food and Beverage Undisputed 01/23/2026 1139643398 CMS
GENZYME CORPORATION $42.17 02/15/2024 Food and Beverage Undisputed 01/23/2026 1139643430 CMS
GENZYME CORPORATION $34.92 03/06/2024 Food and Beverage Undisputed 01/23/2026 1139643422 CMS
GENZYME CORPORATION $38.09 03/07/2024 Food and Beverage Undisputed 01/23/2026 1139643408 CMS
GENZYME CORPORATION $17.91 03/07/2024 Food and Beverage Undisputed 01/23/2026 1139643426 CMS
GENZYME CORPORATION $8.80 03/27/2024 Food and Beverage Undisputed 01/23/2026 1139643432 CMS
GENZYME CORPORATION $27.88 04/03/2024 Food and Beverage Undisputed 01/23/2026 1139643438 CMS
GENZYME CORPORATION $15.68 05/02/2024 Food and Beverage Undisputed 01/23/2026 1139643464 CMS
GENZYME CORPORATION $27.74 05/16/2024 Food and Beverage Undisputed 01/23/2026 1139643466 CMS
GENZYME CORPORATION $7.97 05/21/2024 Food and Beverage Undisputed 01/23/2026 1139643468 CMS
GENZYME CORPORATION $17.81 06/13/2024 Food and Beverage Undisputed 01/23/2026 1139643488 CMS
GENZYME CORPORATION $8.61 07/12/2024 Food and Beverage Undisputed 01/23/2026 1139643492 CMS
GENZYME CORPORATION $40.51 07/23/2024 Food and Beverage Undisputed 01/23/2026 1139643478 CMS
GENZYME CORPORATION $43.67 08/09/2024 Food and Beverage Undisputed 01/23/2026 1139643494 CMS
GENZYME CORPORATION $30.29 08/15/2024 Food and Beverage Undisputed 01/23/2026 1139643496 CMS
GENZYME CORPORATION $15.53 09/19/2024 Food and Beverage Undisputed 01/23/2026 1139643514 CMS
GENZYME CORPORATION $28.70 09/25/2024 Food and Beverage Undisputed 01/23/2026 1139643506 CMS
GENZYME CORPORATION $26.60 10/31/2024 Food and Beverage Undisputed 01/23/2026 1139643524 CMS
GENZYME CORPORATION $33.50 11/21/2024 Food and Beverage Undisputed 01/23/2026 1139643526 CMS
GENZYME CORPORATION $9.32 11/25/2024 Food and Beverage Undisputed 01/23/2026 1139643532 CMS
GlaxoSmithKline, LLC. $15.19 02/29/2024 Food and Beverage Undisputed 01/23/2026 1116733424 CMS
GlaxoSmithKline, LLC. $12.67 03/08/2024 Food and Beverage Undisputed 01/23/2026 1116588257 CMS
GlaxoSmithKline, LLC. $117.46 03/12/2024 Food and Beverage Undisputed 01/23/2026 1116527194 CMS
GlaxoSmithKline, LLC. $2.64 04/13/2024 Food and Beverage Undisputed 01/23/2026 1116420223 CMS
GlaxoSmithKline, LLC. $5.25 05/03/2024 Food and Beverage Undisputed 01/23/2026 1116119796 CMS
GlaxoSmithKline, LLC. $14.36 05/08/2024 Food and Beverage Undisputed 01/23/2026 1115981644 CMS
GlaxoSmithKline, LLC. $20.87 06/11/2024 Food and Beverage Undisputed 01/23/2026 1116243255 CMS
GlaxoSmithKline, LLC. $15.81 07/30/2024 Food and Beverage Undisputed 01/23/2026 1116375488 CMS
GlaxoSmithKline, LLC. $20.18 08/01/2024 Food and Beverage Undisputed 01/23/2026 1116178081 CMS
GlaxoSmithKline, LLC. $9.19 09/23/2024 Food and Beverage Undisputed 01/23/2026 1116585765 CMS
GlaxoSmithKline, LLC. $3.45 10/18/2024 Food and Beverage Undisputed 01/23/2026 1116161945 CMS
GlaxoSmithKline, LLC. $13.11 10/28/2024 Food and Beverage Undisputed 01/23/2026 1116421295 CMS
GlaxoSmithKline, LLC. $13.39 11/15/2024 Food and Beverage Undisputed 01/23/2026 1116149281 CMS
GlaxoSmithKline, LLC. $13.41 12/20/2024 Food and Beverage Undisputed 01/23/2026 1116487207 CMS
Grifols USA, LLC $18.00 04/17/2024 Food and Beverage Undisputed 01/23/2026 1124735755 CMS
kaleo, Inc. $25.66 02/14/2024 Food and Beverage Undisputed 01/23/2026 1126631264 CMS
kaleo, Inc. $28.14 05/13/2024 Food and Beverage Undisputed 01/23/2026 1126631266 CMS
LEO Pharma Inc. $30.42 08/20/2024 Food and Beverage Undisputed 01/23/2026 1152632207 CMS
LEO Pharma Inc. $22.21 11/26/2024 Food and Beverage Undisputed 01/23/2026 1152632209 CMS
Octapharma USA, Inc. $29.98 06/13/2024 Food and Beverage Undisputed 01/23/2026 1142315092 CMS
Optinose US, Inc. $29.43 05/03/2024 Food and Beverage Undisputed 01/23/2026 1142177342 CMS
PFIZER INC. $19.05 02/20/2024 Food and Beverage Undisputed 01/23/2026 1131087281 CMS
PFIZER INC. $20.72 06/24/2024 Food and Beverage Undisputed 01/23/2026 1131635263 CMS
PFIZER INC. $19.05 09/10/2024 Food and Beverage Undisputed 01/23/2026 1131961566 CMS
PFIZER INC. $21.13 11/04/2024 Food and Beverage Undisputed 01/23/2026 1131121716 CMS
PFIZER INC. $21.67 11/13/2024 Food and Beverage Undisputed 01/23/2026 1131263736 CMS
Pharming Healthcare, Inc. $25.34 01/22/2024 Food and Beverage Undisputed 01/23/2026 1132149221 CMS
Regeneron Healthcare Solutions, Inc. $13.61 02/07/2024 Food and Beverage Undisputed 01/23/2026 1114060084 CMS
Regeneron Healthcare Solutions, Inc. $18.47 03/11/2024 Food and Beverage Undisputed 01/23/2026 1114060086 CMS
Regeneron Healthcare Solutions, Inc. $21.00 04/15/2024 Food and Beverage Undisputed 01/23/2026 1114060088 CMS
Regeneron Healthcare Solutions, Inc. $32.36 06/22/2024 Food and Beverage Undisputed 01/23/2026 1114060090 CMS
Regeneron Healthcare Solutions, Inc. $23.76 10/18/2024 Food and Beverage Undisputed 01/23/2026 1114060092 CMS
Regeneron Healthcare Solutions, Inc. $21.71 11/11/2024 Food and Beverage Undisputed 01/23/2026 1114060094 CMS
Regeneron Healthcare Solutions, Inc. $23.76 12/06/2024 Food and Beverage Undisputed 01/23/2026 1114060096 CMS
SANOFI-AVENTIS U.S. LLC $98.99 10/11/2024 Education Undisputed 01/23/2026 1139643522 CMS
Takeda Pharmaceuticals U.S.A., Inc. $23.20 04/25/2024 Food and Beverage Undisputed 01/23/2026 1137563123 CMS
Takeda Pharmaceuticals U.S.A., Inc. $25.44 07/18/2024 Food and Beverage Undisputed 01/23/2026 1137563127 CMS
Takeda Pharmaceuticals U.S.A., Inc. $34.85 08/19/2024 Food and Beverage Undisputed 01/23/2026 1137563131 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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