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

DAVID MICHAEL MCMAHON

Allopathic & Osteopathic Physicians Psychiatry & Neurology Psychiatry

NPI
1457662249
CMS profile
404454
Location
GREEN BAY, WI

General Payments · PY2018–2024

$4,803.34

  • Reported across 203 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,395.95

61 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 $1,395.95 61

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,107.55 55
PY2019 $1,421.56 68
PY2020 $271.10 10
PY2021 $59.19 2
PY2022 $345.93 3
PY2023 $202.06 4
PY2024 $1,395.95 61

Payment records · PY2024 (61)

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
ABBVIE INC. $12.49 01/19/2024 Food and Beverage Undisputed 01/23/2026 1105008467 CMS
ABBVIE INC. $13.35 05/10/2024 Food and Beverage Undisputed 01/23/2026 1105008469 CMS
ABBVIE INC. $18.18 07/19/2024 Food and Beverage Undisputed 01/23/2026 1105008471 CMS
ABBVIE INC. $17.27 08/27/2024 Food and Beverage Undisputed 01/23/2026 1105008473 CMS
ABBVIE INC. $29.66 09/25/2024 Food and Beverage Undisputed 01/23/2026 1105008475 CMS
ABBVIE INC. $17.06 10/21/2024 Food and Beverage Undisputed 01/23/2026 1105008477 CMS
ABBVIE INC. $21.42 11/27/2024 Food and Beverage Undisputed 01/23/2026 1105008479 CMS
ABBVIE INC. $13.02 12/09/2024 Food and Beverage Undisputed 01/23/2026 1105008481 CMS
ABBVIE INC. $17.57 12/20/2024 Food and Beverage Undisputed 01/23/2026 1105008483 CMS
Alkermes, Inc. $119.66 01/08/2024 Food and Beverage Undisputed 01/23/2026 1120552144 CMS
Alkermes, Inc. $28.46 09/09/2024 Food and Beverage Undisputed 01/23/2026 1120552146 CMS
Alkermes, Inc. $10.97 10/07/2024 Food and Beverage Undisputed 01/23/2026 1120552148 CMS
Alkermes, Inc. $22.82 10/28/2024 Food and Beverage Undisputed 01/23/2026 1120552150 CMS
Alkermes, Inc. $29.89 11/04/2024 Food and Beverage Undisputed 01/23/2026 1120552152 CMS
Axsome Therapeutics, Inc. $23.96 03/01/2024 Food and Beverage Undisputed 01/23/2026 1148275678 CMS
Axsome Therapeutics, Inc. $29.64 04/26/2024 Food and Beverage Undisputed 01/23/2026 1148275680 CMS
Axsome Therapeutics, Inc. $23.55 10/07/2024 Food and Beverage Undisputed 01/23/2026 1148275682 CMS
Corium, LLC $20.92 02/01/2024 Food and Beverage Undisputed 01/23/2026 1100094715 CMS
Corium, LLC $22.79 06/20/2024 Food and Beverage Undisputed 01/23/2026 1100185791 CMS
Indivior Inc. $9.61 04/24/2024 Food and Beverage Undisputed 01/23/2026 1144533317 CMS
Indivior Inc. $38.98 05/23/2024 Food and Beverage Undisputed 01/23/2026 1144533319 CMS
Indivior Inc. $37.62 06/18/2024 Food and Beverage Undisputed 01/23/2026 1144533321 CMS
Indivior Inc. $34.65 07/23/2024 Food and Beverage Undisputed 01/23/2026 1144533323 CMS
Indivior Inc. $38.85 09/03/2024 Food and Beverage Undisputed 01/23/2026 1144533325 CMS
Indivior Inc. $29.14 10/15/2024 Food and Beverage Undisputed 01/23/2026 1144533327 CMS
Indivior Inc. $39.04 10/22/2024 Food and Beverage Undisputed 01/23/2026 1144533329 CMS
Indivior Inc. $18.22 11/20/2024 Food and Beverage Undisputed 01/23/2026 1144533331 CMS
IRONSHORE PHARMACEUTICALS INC. $22.04 05/20/2024 Food and Beverage Undisputed 01/23/2026 1146280414 CMS
IRONSHORE PHARMACEUTICALS INC. $20.49 07/01/2024 Food and Beverage Undisputed 01/23/2026 1146280460 CMS
IRONSHORE PHARMACEUTICALS INC. $22.52 07/31/2024 Food and Beverage Undisputed 01/23/2026 1146298302 CMS
IRONSHORE PHARMACEUTICALS INC. $20.01 09/25/2024 Food and Beverage Undisputed 01/23/2026 1146294584 CMS
IRONSHORE PHARMACEUTICALS INC. $21.07 10/09/2024 Food and Beverage Undisputed 01/23/2026 1146294598 CMS
IRONSHORE PHARMACEUTICALS INC. $16.26 11/12/2024 Food and Beverage Undisputed 01/23/2026 1146321375 CMS
IRONSHORE PHARMACEUTICALS INC. $16.71 12/03/2024 Food and Beverage Undisputed 01/23/2026 1146306035 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $24.81 02/02/2024 Food and Beverage Undisputed 01/23/2026 1143275498 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $24.22 03/15/2024 Food and Beverage Undisputed 01/23/2026 1143275501 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $24.88 06/21/2024 Food and Beverage Undisputed 01/23/2026 1143275505 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $22.49 12/03/2024 Food and Beverage Undisputed 01/23/2026 1143275508 CMS
Janssen Pharmaceuticals, Inc $22.74 02/15/2024 Food and Beverage Undisputed 01/23/2026 1078247669 CMS
Janssen Pharmaceuticals, Inc $24.13 08/26/2024 Food and Beverage Undisputed 01/23/2026 1078247689 CMS
Janssen Pharmaceuticals, Inc $21.40 09/12/2024 Food and Beverage Undisputed 01/23/2026 1078247671 CMS
Janssen Pharmaceuticals, Inc $20.48 12/16/2024 Food and Beverage Undisputed 01/23/2026 1078247667 CMS
Lundbeck LLC $10.16 02/19/2024 Food and Beverage Undisputed 01/23/2026 1145945068 CMS
Lundbeck LLC $18.21 04/13/2024 Food and Beverage Undisputed 01/23/2026 1145945070 CMS
Lundbeck LLC $27.06 04/25/2024 Food and Beverage Undisputed 01/23/2026 1145945072 CMS
Lundbeck LLC $12.05 05/02/2024 Food and Beverage Undisputed 01/23/2026 1145945074 CMS
Lundbeck LLC $22.34 05/09/2024 Food and Beverage Undisputed 01/23/2026 1145945076 CMS
Lundbeck LLC $0.58 08/15/2024 Food and Beverage Undisputed 01/23/2026 1145945078 CMS
Lundbeck LLC $25.00 08/15/2024 Food and Beverage Undisputed 01/23/2026 1145945080 CMS
Lundbeck LLC $21.03 09/17/2024 Food and Beverage Undisputed 01/23/2026 1145945082 CMS
Lundbeck LLC $12.87 10/08/2024 Food and Beverage Undisputed 01/23/2026 1145945084 CMS
Lundbeck LLC $0.20 10/08/2024 Food and Beverage Undisputed 01/23/2026 1145945086 CMS
Lundbeck LLC $31.06 11/18/2024 Food and Beverage Undisputed 01/23/2026 1145945088 CMS
Neurocrine Biosciences, Inc. $13.99 09/23/2024 Food and Beverage Undisputed 01/23/2026 1150877518 CMS
Noven Therapeutics, LLC $17.16 07/18/2024 Food and Beverage Undisputed 01/23/2026 1084819876 CMS
Otsuka America Pharmaceutical, Inc. $18.36 08/13/2024 Food and Beverage Undisputed 01/23/2026 1118939962 CMS
Otsuka America Pharmaceutical, Inc. $22.50 11/14/2024 Food and Beverage Undisputed 01/23/2026 1118939964 CMS
Otsuka America Pharmaceutical, Inc. $21.77 12/12/2024 Food and Beverage Undisputed 01/23/2026 1118939966 CMS
Supernus Pharmaceuticals, Inc. $20.03 11/04/2024 Food and Beverage Undisputed 01/23/2026 1147890927 CMS
Takeda Pharmaceuticals U.S.A., Inc. $14.82 11/19/2024 Food and Beverage Undisputed 01/23/2026 1137633373 CMS
Tris Pharma Inc $23.72 10/26/2024 Food and Beverage Undisputed 01/23/2026 1147199961 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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