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

MICHAEL MCMAHON

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant Medical

NPI
1629072442
CMS profile
10500561
Location
WALLINGFORD, CT

General Payments · PY2021–2024

$5,388.24

  • Reported across 162 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,902.77

59 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: Medical CT All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,902.77 59

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Abbott Laboratories $402.99 5
Boehringer Ingelheim Pharmaceuticals, Inc. $247.40 7
Novo Nordisk AS $189.52 8
PFIZER INC. $183.97 8
NOVARTIS PHARMACEUTICALS CORPORATION $145.48 6
Merck Sharp & Dohme Corporation $140.39 6
HEARTFLOW, INC. $128.92 3
Kiniksa Pharmaceuticals International, plc $107.42 4
Acerta Pharma LLC $93.42 4
IMPULSE DYNAMICS (USA) INC. $77.21 1
Medtronic, Inc. $38.70 1
ATRICURE, INC. $35.64 1
SCPHARMACEUTICALS INC. $35.45 2
BAXTER HEALTHCARE $31.54 1
E.R. Squibb & Sons, L.L.C. $25.13 1
BOSTON SCIENTIFIC CORPORATION $19.59 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $1,005.11 23
PY2022 $897.64 33
PY2023 $1,582.72 47
PY2024 $1,902.77 59

Payment records · PY2024 (59)

Sorted by paying entity, then date · as published by CMS

Program year 2024 202120222023 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
Abbott Laboratories $146.38 04/09/2024 Food and Beverage Undisputed 01/23/2026 1125158072 CMS
Abbott Laboratories $51.96 07/10/2024 Food and Beverage Undisputed 01/23/2026 1125158074 CMS
Abbott Laboratories $21.36 07/18/2024 Food and Beverage Undisputed 01/23/2026 1125158076 CMS
Abbott Laboratories $131.60 09/13/2024 Food and Beverage Undisputed 01/23/2026 1125158080 CMS
Abbott Laboratories $51.69 12/11/2024 Food and Beverage Undisputed 01/23/2026 1125158078 CMS
AstraZeneca Pharmaceuticals LP $15.78 01/30/2024 Food and Beverage Undisputed 01/23/2026 1104524298 CMS
AstraZeneca Pharmaceuticals LP $28.78 04/09/2024 Food and Beverage Undisputed 01/23/2026 1104550058 CMS
AstraZeneca Pharmaceuticals LP $29.18 05/14/2024 Food and Beverage Undisputed 01/23/2026 1105868373 CMS
AstraZeneca Pharmaceuticals LP $19.68 08/13/2024 Food and Beverage Undisputed 01/23/2026 1105770720 CMS
ATRICURE, INC. $35.64 04/24/2024 Food and Beverage Undisputed 01/23/2026 1132868872 CMS
Baxter Healthcare $31.54 01/31/2024 Food and Beverage Undisputed 01/23/2026 1118299278 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.39 02/01/2024 Food and Beverage Undisputed 01/23/2026 1118084932 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.05 03/05/2024 Food and Beverage Undisputed 01/23/2026 1118084938 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.89 04/25/2024 Food and Beverage Undisputed 01/23/2026 1118084934 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $124.74 04/30/2024 Food and Beverage Undisputed 01/23/2026 1118084942 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $23.39 09/24/2024 Food and Beverage Undisputed 01/23/2026 1118084936 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $9.75 09/26/2024 Food and Beverage Undisputed 01/23/2026 1118084930 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $27.19 11/11/2024 Food and Beverage Undisputed 01/23/2026 1118084940 CMS
Boston Scientific Corporation $19.59 05/08/2024 Food and Beverage Undisputed 01/23/2026 1092250278 CMS
E.R. Squibb & Sons, L.L.C. $25.13 10/17/2024 Food and Beverage Undisputed 01/23/2026 1101236353 CMS
HEARTFLOW, INC. $36.75 01/23/2024 Food and Beverage Undisputed 01/23/2026 1154177232 CMS
HEARTFLOW, INC. $47.77 05/03/2024 Food and Beverage Undisputed 01/23/2026 1154177234 CMS
HEARTFLOW, INC. $44.40 06/18/2024 Food and Beverage Undisputed 01/23/2026 1154177236 CMS
Impulse Dynamics (USA) Inc. $77.21 01/09/2024 Food and Beverage Undisputed 01/23/2026 1100424277 CMS
Kiniksa Pharmaceuticals International, plc $15.19 02/28/2024 Food and Beverage Undisputed 01/23/2026 1154891681 CMS
Kiniksa Pharmaceuticals International, plc $32.29 04/16/2024 Food and Beverage Undisputed 01/23/2026 1154891699 CMS
Kiniksa Pharmaceuticals International, plc $32.29 06/11/2024 Food and Beverage Undisputed 01/23/2026 1154891721 CMS
Kiniksa Pharmaceuticals International, plc $27.65 08/27/2024 Food and Beverage Undisputed 01/23/2026 1154891775 CMS
Medtronic, Inc. $38.70 12/17/2024 Food and Beverage Undisputed 01/23/2026 1116969927 CMS
Merck Sharp & Dohme LLC $22.79 04/02/2024 Food and Beverage Undisputed 01/23/2026 1141827286 CMS
Merck Sharp & Dohme LLC $24.26 06/04/2024 Food and Beverage Undisputed 01/23/2026 1141827284 CMS
Merck Sharp & Dohme LLC $22.25 08/06/2024 Food and Beverage Undisputed 01/23/2026 1141569140 CMS
Merck Sharp & Dohme LLC $22.35 09/03/2024 Food and Beverage Undisputed 01/23/2026 1141569446 CMS
Merck Sharp & Dohme LLC $23.14 10/08/2024 Food and Beverage Undisputed 01/23/2026 1141569444 CMS
Merck Sharp & Dohme LLC $25.60 12/03/2024 Food and Beverage Undisputed 01/23/2026 1141910728 CMS
Novartis Pharmaceuticals Corporation $24.78 01/24/2024 Food and Beverage Undisputed 01/23/2026 1087028458 CMS
Novartis Pharmaceuticals Corporation $0.58 01/24/2024 Food and Beverage Undisputed 01/23/2026 1087028460 CMS
Novartis Pharmaceuticals Corporation $27.16 04/17/2024 Food and Beverage Undisputed 01/23/2026 1087028462 CMS
Novartis Pharmaceuticals Corporation $30.27 06/26/2024 Food and Beverage Undisputed 01/23/2026 1087028464 CMS
Novartis Pharmaceuticals Corporation $32.13 08/20/2024 Food and Beverage Undisputed 01/23/2026 1087028466 CMS
Novartis Pharmaceuticals Corporation $30.56 11/12/2024 Food and Beverage Undisputed 01/23/2026 1087028468 CMS
Novo Nordisk Inc $21.77 01/09/2024 Food and Beverage Undisputed 01/23/2026 1100344682 CMS
Novo Nordisk Inc $22.21 02/06/2024 Food and Beverage Undisputed 01/23/2026 1100253936 CMS
Novo Nordisk Inc $26.05 03/19/2024 Food and Beverage Undisputed 01/23/2026 1100637083 CMS
Novo Nordisk Inc $21.12 05/07/2024 Food and Beverage Undisputed 01/23/2026 1100457450 CMS
Novo Nordisk Inc $23.49 07/16/2024 Food and Beverage Undisputed 01/23/2026 1100285424 CMS
Novo Nordisk Inc $24.64 09/10/2024 Food and Beverage Undisputed 01/23/2026 1100551928 CMS
Novo Nordisk Inc $26.02 10/22/2024 Food and Beverage Undisputed 01/23/2026 1100294150 CMS
Novo Nordisk Inc $24.22 12/01/2024 Food and Beverage Undisputed 01/23/2026 1100350088 CMS
PFIZER INC. $29.12 02/04/2024 Food and Beverage Undisputed 01/23/2026 1131025816 CMS
PFIZER INC. $28.32 04/02/2024 Food and Beverage Undisputed 01/23/2026 1131282631 CMS
PFIZER INC. $28.32 06/09/2024 Food and Beverage Undisputed 01/23/2026 1131616565 CMS
PFIZER INC. $22.72 08/14/2024 Food and Beverage Undisputed 01/23/2026 1131881235 CMS
PFIZER INC. $27.45 10/22/2024 Food and Beverage Undisputed 01/23/2026 1132113519 CMS
PFIZER INC. $24.35 12/17/2024 Food and Beverage Undisputed 01/23/2026 1131416379 CMS
PFIZER INC. $20.40 12/19/2024 Food and Beverage Undisputed 01/23/2026 1131216562 CMS
PFIZER INC. $3.29 12/31/2024 Food and Beverage Undisputed 01/23/2026 1131408695 CMS
SCPHARMACEUTICALS INC. $18.93 02/27/2024 Food and Beverage Undisputed 01/23/2026 1132255773 CMS
SCPHARMACEUTICALS INC. $16.52 08/22/2024 Food and Beverage Undisputed 01/23/2026 1132294834 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
2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · 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.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.