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

DARREN P GANNUCH

Allopathic & Osteopathic Physicians Psychiatry & Neurology Sleep Medicine

NPI
1669401709
CMS profile
1037107
Location
HUNTSVILLE, AL

General Payments · PY2018–2024

$5,780.22

  • Reported across 342 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,132.98

48 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: Sleep Medicine AL All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,132.98 48

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
HARMONY BIOSCIENCES LLC $538.47 19
JAZZ PHARMACEUTICALS INC. $230.93 10
Avadel CNS Pharmaceuticals, LLC $172.63 11
Axsome Therapeutics, Inc. $152.49 6
IDORSIA PHARMACEUTICALS US INC $20.40 1
Inspire Medical Systems, Inc. $18.06 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $312.83 21
PY2019 $646.48 48
PY2020 $631.41 45
PY2021 $1,210.87 77
PY2022 $1,151.41 66
PY2023 $694.24 37
PY2024 $1,132.98 48

Payment records · PY2024 (48)

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 $21.99 01/18/2024 Food and Beverage Undisputed 01/23/2026 1123381324 CMS
Avadel CNS Pharmaceuticals, LLC $12.50 03/04/2024 Food and Beverage Undisputed 01/23/2026 1123381326 CMS
Avadel CNS Pharmaceuticals, LLC $13.75 04/04/2024 Food and Beverage Undisputed 01/23/2026 1123381328 CMS
Avadel CNS Pharmaceuticals, LLC $13.75 05/28/2024 Food and Beverage Undisputed 01/23/2026 1123381330 CMS
Avadel CNS Pharmaceuticals, LLC $15.40 06/18/2024 Food and Beverage Undisputed 01/23/2026 1123381332 CMS
Avadel CNS Pharmaceuticals, LLC $19.58 07/23/2024 Food and Beverage Undisputed 01/23/2026 1123381334 CMS
Avadel CNS Pharmaceuticals, LLC $11.46 08/19/2024 Food and Beverage Undisputed 01/23/2026 1123381336 CMS
Avadel CNS Pharmaceuticals, LLC $15.33 09/16/2024 Food and Beverage Undisputed 01/23/2026 1123381338 CMS
Avadel CNS Pharmaceuticals, LLC $17.23 10/21/2024 Food and Beverage Undisputed 01/23/2026 1123381340 CMS
Avadel CNS Pharmaceuticals, LLC $15.77 11/18/2024 Food and Beverage Undisputed 01/23/2026 1123381342 CMS
Avadel CNS Pharmaceuticals, LLC $15.87 12/16/2024 Food and Beverage Undisputed 01/23/2026 1123381344 CMS
Axsome Therapeutics, Inc. $21.30 02/08/2024 Food and Beverage Undisputed 01/23/2026 1148274758 CMS
Axsome Therapeutics, Inc. $65.21 03/07/2024 Food and Beverage Undisputed 01/23/2026 1148274760 CMS
Axsome Therapeutics, Inc. $19.12 04/11/2024 Food and Beverage Undisputed 01/23/2026 1148274762 CMS
Axsome Therapeutics, Inc. $15.55 06/12/2024 Food and Beverage Undisputed 01/23/2026 1148274764 CMS
Axsome Therapeutics, Inc. $10.64 10/24/2024 Food and Beverage Undisputed 01/23/2026 1148274766 CMS
Axsome Therapeutics, Inc. $20.67 12/10/2024 Food and Beverage Undisputed 01/23/2026 1148274768 CMS
Harmony Biosciences Llc $30.21 09/19/2024 Food and Beverage Undisputed 01/23/2026 1141475460 CMS
Harmony Biosciences Llc $32.00 10/15/2024 Food and Beverage Undisputed 01/23/2026 1141473766 CMS
Harmony Biosciences Llc $20.70 10/29/2024 Food and Beverage Undisputed 01/23/2026 1141474518 CMS
Harmony Biosciences Llc $23.63 11/20/2024 Food and Beverage Undisputed 01/23/2026 1141473848 CMS
Harmony Biosciences Llc $41.18 12/03/2024 Food and Beverage Undisputed 01/23/2026 1141476544 CMS
Harmony Biosciences Llc $19.50 12/17/2024 Food and Beverage Undisputed 01/23/2026 1141473306 CMS
HARMONY BIOSCIENCES LLC $27.95 02/02/2024 Food and Beverage Undisputed 01/23/2026 1126055222 CMS
HARMONY BIOSCIENCES LLC $42.52 02/22/2024 Food and Beverage Undisputed 01/23/2026 1126055214 CMS
HARMONY BIOSCIENCES LLC $32.03 03/15/2024 Food and Beverage Undisputed 01/23/2026 1126055218 CMS
HARMONY BIOSCIENCES LLC $48.64 04/02/2024 Food and Beverage Undisputed 01/23/2026 1126055210 CMS
HARMONY BIOSCIENCES LLC $25.60 04/30/2024 Food and Beverage Undisputed 01/23/2026 1126055228 CMS
HARMONY BIOSCIENCES LLC $26.15 05/16/2024 Food and Beverage Undisputed 01/23/2026 1126055226 CMS
HARMONY BIOSCIENCES LLC $10.97 05/16/2024 Food and Beverage Undisputed 01/23/2026 1126055232 CMS
HARMONY BIOSCIENCES LLC $29.33 06/04/2024 Food and Beverage Undisputed 01/23/2026 1126055220 CMS
HARMONY BIOSCIENCES LLC $34.36 06/27/2024 Food and Beverage Undisputed 01/23/2026 1126055216 CMS
HARMONY BIOSCIENCES LLC $45.07 07/09/2024 Food and Beverage Undisputed 01/23/2026 1126055212 CMS
HARMONY BIOSCIENCES LLC $1.31 07/30/2024 Food and Beverage Undisputed 01/23/2026 1126055234 CMS
HARMONY BIOSCIENCES LLC $26.84 07/31/2024 Food and Beverage Undisputed 01/23/2026 1126055224 CMS
HARMONY BIOSCIENCES LLC $20.48 08/28/2024 Food and Beverage Undisputed 01/23/2026 1126055230 CMS
IDORSIA PHARMACEUTICALS US INC $20.40 06/10/2024 Food and Beverage Undisputed 01/23/2026 1146780143 CMS
Inspire Medical Systems, Inc. $18.06 10/28/2024 Food and Beverage Undisputed 01/23/2026 1148055169 CMS
JAZZ PHARMACEUTICALS INC. $18.70 04/09/2024 Food and Beverage Undisputed 01/23/2026 1150226049 CMS
JAZZ PHARMACEUTICALS INC. $19.67 05/02/2024 Food and Beverage Undisputed 01/23/2026 1150226051 CMS
JAZZ PHARMACEUTICALS INC. $20.02 06/06/2024 Food and Beverage Undisputed 01/23/2026 1150226053 CMS
JAZZ PHARMACEUTICALS INC. $21.58 07/08/2024 Food and Beverage Undisputed 01/23/2026 1150226045 CMS
JAZZ PHARMACEUTICALS INC. $20.79 08/05/2024 Food and Beverage Undisputed 01/23/2026 1150226043 CMS
JAZZ PHARMACEUTICALS INC. $38.97 08/14/2024 Food and Beverage Undisputed 01/23/2026 1150226059 CMS
JAZZ PHARMACEUTICALS INC. $20.91 09/03/2024 Food and Beverage Undisputed 01/23/2026 1150226047 CMS
JAZZ PHARMACEUTICALS INC. $20.92 10/07/2024 Food and Beverage Undisputed 01/23/2026 1150226061 CMS
JAZZ PHARMACEUTICALS INC. $25.40 11/04/2024 Food and Beverage Undisputed 01/23/2026 1150226057 CMS
JAZZ PHARMACEUTICALS INC. $23.97 12/10/2024 Food and Beverage Undisputed 01/23/2026 1150226055 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

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

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