IndustryPayments
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

KENNETH G HALLIWELL

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1639338429
CMS profile
74836
Location
WILLIAMSVILLE, NY

General Payments · PY2018–2024

$196,682.66

  • Reported across 331 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$33,426.35

86 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.

Related groups: Neurology NY All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Honoraria $28,200.00 10
Travel and Lodging $2,536.55 10
Food and Beverage $1,928.55 65
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $761.25 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Avadel CNS Pharmaceuticals, LLC $31,902.73 49
IDORSIA PHARMACEUTICALS US INC $951.08 10
JAZZ PHARMACEUTICALS INC. $186.85 15
LivaNova USA, Inc. $151.43 2
Inspire Medical Systems, Inc. $92.04 3
Axsome Therapeutics, Inc. $60.76 3
Fisher & Paykel Healthcare Inc $49.55 2
Azurity Pharmaceuticals, Inc. $18.74 1
GE HEALTHCARE $13.17 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $406.97 15
PY2019 $1,670.08 13
PY2020 $20.43 1
PY2021 $16,490.10 22
PY2022 $44,806.99 66
PY2023 $99,861.74 128
PY2024 $33,426.35 86

Payment records · PY2024 (86)

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
Avadel CNS Pharmaceuticals, LLC $5.58 01/04/2024 Food and Beverage Undisputed 01/23/2026 1123382050 CMS
Avadel CNS Pharmaceuticals, LLC $125.00 02/07/2024 Food and Beverage Undisputed 01/23/2026 1123382052 CMS
Avadel CNS Pharmaceuticals, LLC $2,500.00 02/07/2024 Honoraria Undisputed 01/23/2026 1123382054 CMS
Avadel CNS Pharmaceuticals, LLC $153.27 02/07/2024 Travel and Lodging Undisputed 01/23/2026 1123382056 CMS
Avadel CNS Pharmaceuticals, LLC $10.81 02/14/2024 Food and Beverage Undisputed 01/23/2026 1123382058 CMS
Avadel CNS Pharmaceuticals, LLC $10.84 03/07/2024 Food and Beverage Undisputed 01/23/2026 1123382060 CMS
Avadel CNS Pharmaceuticals, LLC $99.67 03/07/2024 Food and Beverage Undisputed 01/23/2026 1123382062 CMS
Avadel CNS Pharmaceuticals, LLC $2,500.00 03/07/2024 Honoraria Undisputed 01/23/2026 1123382064 CMS
Avadel CNS Pharmaceuticals, LLC $8.16 03/20/2024 Food and Beverage Undisputed 01/23/2026 1123382066 CMS
Avadel CNS Pharmaceuticals, LLC $118.74 03/25/2024 Food and Beverage Undisputed 01/23/2026 1123382068 CMS
Avadel CNS Pharmaceuticals, LLC $3,500.00 03/25/2024 Honoraria Undisputed 01/23/2026 1123382070 CMS
Avadel CNS Pharmaceuticals, LLC $638.08 03/25/2024 Travel and Lodging Undisputed 01/23/2026 1123382072 CMS
Avadel CNS Pharmaceuticals, LLC $15.38 04/04/2024 Food and Beverage Undisputed 01/23/2026 1123382074 CMS
Avadel CNS Pharmaceuticals, LLC $15.15 04/19/2024 Food and Beverage Undisputed 01/23/2026 1123382076 CMS
Avadel CNS Pharmaceuticals, LLC $116.92 04/19/2024 Food and Beverage Undisputed 01/23/2026 1123382078 CMS
Avadel CNS Pharmaceuticals, LLC $104.35 04/23/2024 Food and Beverage Undisputed 01/23/2026 1123382080 CMS
Avadel CNS Pharmaceuticals, LLC $2,500.00 04/23/2024 Honoraria Undisputed 01/23/2026 1123382082 CMS
Avadel CNS Pharmaceuticals, LLC $176.52 04/23/2024 Travel and Lodging Undisputed 01/23/2026 1123382084 CMS
Avadel CNS Pharmaceuticals, LLC $358.94 04/23/2024 Travel and Lodging Undisputed 01/23/2026 1123382086 CMS
Avadel CNS Pharmaceuticals, LLC $8.21 05/10/2024 Food and Beverage Undisputed 01/23/2026 1123382088 CMS
Avadel CNS Pharmaceuticals, LLC $333.35 05/22/2024 Travel and Lodging Undisputed 01/23/2026 1123382090 CMS
Avadel CNS Pharmaceuticals, LLC $3,500.00 05/22/2024 Honoraria Undisputed 01/23/2026 1123382092 CMS
Avadel CNS Pharmaceuticals, LLC $109.10 05/22/2024 Food and Beverage Undisputed 01/23/2026 1123382094 CMS
Avadel CNS Pharmaceuticals, LLC $272.48 05/22/2024 Travel and Lodging Undisputed 01/23/2026 1123382096 CMS
Avadel CNS Pharmaceuticals, LLC $15.64 05/23/2024 Food and Beverage Undisputed 01/23/2026 1123382098 CMS
Avadel CNS Pharmaceuticals, LLC $15.15 06/13/2024 Food and Beverage Undisputed 01/23/2026 1123382100 CMS
Avadel CNS Pharmaceuticals, LLC $11.19 06/20/2024 Food and Beverage Undisputed 01/23/2026 1123382102 CMS
Avadel CNS Pharmaceuticals, LLC $2,500.00 08/01/2024 Honoraria Undisputed 01/23/2026 1123382104 CMS
Avadel CNS Pharmaceuticals, LLC $180.78 08/01/2024 Travel and Lodging Undisputed 01/23/2026 1123382106 CMS
Avadel CNS Pharmaceuticals, LLC $13.99 08/08/2024 Food and Beverage Undisputed 01/23/2026 1123382108 CMS
Avadel CNS Pharmaceuticals, LLC $15.53 08/22/2024 Food and Beverage Undisputed 01/23/2026 1123382110 CMS
Avadel CNS Pharmaceuticals, LLC $15.83 09/05/2024 Food and Beverage Undisputed 01/23/2026 1123382112 CMS
Avadel CNS Pharmaceuticals, LLC $124.95 09/25/2024 Food and Beverage Undisputed 01/23/2026 1123382114 CMS
Avadel CNS Pharmaceuticals, LLC $2,800.00 09/25/2024 Honoraria Undisputed 01/23/2026 1123382116 CMS
Avadel CNS Pharmaceuticals, LLC $81.22 09/25/2024 Travel and Lodging Undisputed 01/23/2026 1123382118 CMS
Avadel CNS Pharmaceuticals, LLC $13.76 09/25/2024 Food and Beverage Undisputed 01/23/2026 1123382120 CMS
Avadel CNS Pharmaceuticals, LLC $83.89 09/30/2024 Food and Beverage Undisputed 01/23/2026 1123382122 CMS
Avadel CNS Pharmaceuticals, LLC $2,800.00 09/30/2024 Honoraria Undisputed 01/23/2026 1123382124 CMS
Avadel CNS Pharmaceuticals, LLC $188.64 09/30/2024 Travel and Lodging Undisputed 01/23/2026 1123382126 CMS
Avadel CNS Pharmaceuticals, LLC $2,800.00 10/02/2024 Honoraria Undisputed 01/23/2026 1123382128 CMS
Avadel CNS Pharmaceuticals, LLC $153.27 10/02/2024 Travel and Lodging Undisputed 01/23/2026 1123382130 CMS
Avadel CNS Pharmaceuticals, LLC $17.48 10/17/2024 Food and Beverage Undisputed 01/23/2026 1123382132 CMS
Avadel CNS Pharmaceuticals, LLC $2,800.00 10/24/2024 Honoraria Undisputed 01/23/2026 1123382134 CMS
Avadel CNS Pharmaceuticals, LLC $16.82 10/31/2024 Food and Beverage Undisputed 01/23/2026 1123382136 CMS
Avadel CNS Pharmaceuticals, LLC $14.43 11/14/2024 Food and Beverage Undisputed 01/23/2026 1123382138 CMS
Avadel CNS Pharmaceuticals, LLC $14.55 11/21/2024 Food and Beverage Undisputed 01/23/2026 1123382140 CMS
Avadel CNS Pharmaceuticals, LLC $16.41 12/05/2024 Food and Beverage Undisputed 01/23/2026 1123382142 CMS
Avadel CNS Pharmaceuticals, LLC $15.92 12/16/2024 Food and Beverage Undisputed 01/23/2026 1123382144 CMS
Avadel CNS Pharmaceuticals, LLC $12.73 12/19/2024 Food and Beverage Undisputed 01/23/2026 1123382146 CMS
Axsome Therapeutics, Inc. $18.21 06/06/2024 Food and Beverage Undisputed 01/23/2026 1148295840 CMS
Axsome Therapeutics, Inc. $16.80 07/23/2024 Food and Beverage Undisputed 01/23/2026 1148295842 CMS
Axsome Therapeutics, Inc. $25.75 12/11/2024 Food and Beverage Undisputed 01/23/2026 1148295844 CMS
Azurity Pharmaceuticals, Inc. $18.74 10/31/2024 Food and Beverage Undisputed 01/23/2026 1134006635 CMS
Fisher & Paykel Healthcare Inc $25.69 05/24/2024 Food and Beverage Undisputed 01/23/2026 1143836823 CMS
Fisher & Paykel Healthcare Inc $23.86 10/22/2024 Food and Beverage Undisputed 01/23/2026 1143844264 CMS
GE HEALTHCARE $13.17 03/06/2024 Food and Beverage Undisputed 01/23/2026 1144681662 CMS
IDORSIA PHARMACEUTICALS US INC $24.41 03/15/2024 Food and Beverage Undisputed 01/23/2026 1146773878 CMS
IDORSIA PHARMACEUTICALS US INC $761.25 03/25/2024 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 1146781205 CMS
IDORSIA PHARMACEUTICALS US INC $18.48 04/03/2024 Food and Beverage Undisputed 01/23/2026 1146774328 CMS
IDORSIA PHARMACEUTICALS US INC $22.36 05/01/2024 Food and Beverage Undisputed 01/23/2026 1146777344 CMS
IDORSIA PHARMACEUTICALS US INC $22.35 05/29/2024 Food and Beverage Undisputed 01/23/2026 1146779509 CMS
IDORSIA PHARMACEUTICALS US INC $22.35 06/26/2024 Food and Beverage Undisputed 01/23/2026 1146780799 CMS
IDORSIA PHARMACEUTICALS US INC $16.68 08/08/2024 Food and Beverage Undisputed 01/23/2026 1146789047 CMS
IDORSIA PHARMACEUTICALS US INC $19.94 10/03/2024 Food and Beverage Undisputed 01/23/2026 1146759838 CMS
IDORSIA PHARMACEUTICALS US INC $18.29 11/07/2024 Food and Beverage Undisputed 01/23/2026 1146792498 CMS
IDORSIA PHARMACEUTICALS US INC $24.97 12/05/2024 Food and Beverage Undisputed 01/23/2026 1146786017 CMS
Inspire Medical Systems, Inc. $30.85 07/25/2024 Food and Beverage Undisputed 01/23/2026 1148058644 CMS
Inspire Medical Systems, Inc. $30.39 09/09/2024 Food and Beverage Undisputed 01/23/2026 1148058646 CMS
Inspire Medical Systems, Inc. $30.80 09/12/2024 Food and Beverage Undisputed 01/23/2026 1148058648 CMS
JAZZ PHARMACEUTICALS INC. $14.84 02/29/2024 Food and Beverage Undisputed 01/23/2026 1150224642 CMS
JAZZ PHARMACEUTICALS INC. $1.84 02/29/2024 Food and Beverage Undisputed 01/23/2026 1150224648 CMS
JAZZ PHARMACEUTICALS INC. $6.20 03/07/2024 Food and Beverage Undisputed 01/23/2026 1150224658 CMS
JAZZ PHARMACEUTICALS INC. $30.80 03/28/2024 Food and Beverage Undisputed 01/23/2026 1150224656 CMS
JAZZ PHARMACEUTICALS INC. $13.41 05/01/2024 Food and Beverage Undisputed 01/23/2026 1150224660 CMS
JAZZ PHARMACEUTICALS INC. $23.54 05/14/2024 Food and Beverage Undisputed 01/23/2026 1150224662 CMS
JAZZ PHARMACEUTICALS INC. $8.58 06/23/2024 Food and Beverage Undisputed 01/23/2026 1150224664 CMS
JAZZ PHARMACEUTICALS INC. $9.56 08/06/2024 Food and Beverage Undisputed 01/23/2026 1150224652 CMS
JAZZ PHARMACEUTICALS INC. $16.16 08/27/2024 Food and Beverage Undisputed 01/23/2026 1150224640 CMS
JAZZ PHARMACEUTICALS INC. $6.37 09/04/2024 Food and Beverage Undisputed 01/23/2026 1150224638 CMS
JAZZ PHARMACEUTICALS INC. $10.47 09/19/2024 Food and Beverage Undisputed 01/23/2026 1150224654 CMS
JAZZ PHARMACEUTICALS INC. $9.95 10/02/2024 Food and Beverage Undisputed 01/23/2026 1150224646 CMS
JAZZ PHARMACEUTICALS INC. $8.09 10/09/2024 Food and Beverage Undisputed 01/23/2026 1150224636 CMS
JAZZ PHARMACEUTICALS INC. $8.71 10/09/2024 Food and Beverage Undisputed 01/23/2026 1150224644 CMS
JAZZ PHARMACEUTICALS INC. $18.33 10/29/2024 Food and Beverage Undisputed 01/23/2026 1150224650 CMS
LivaNova USA, Inc. $35.30 03/02/2024 Food and Beverage Undisputed 01/23/2026 1152801065 CMS
LivaNova USA, Inc. $116.13 11/19/2024 Food and Beverage Undisputed 01/23/2026 1152801185 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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