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

RICHARD T MAHON

Allopathic & Osteopathic Physicians Internal Medicine Pulmonary Disease

NPI
1538237730
CMS profile
976511
Location
GAITHERSBURG, MD

General Payments · PY2018–2024

$14,890.98

  • Reported across 719 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,487.92

103 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 $2,487.92 103

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,804.69 97
PY2019 $1,813.68 101
PY2020 $1,786.07 88
PY2021 $2,100.61 104
PY2022 $2,218.50 108
PY2023 $2,679.51 118
PY2024 $2,487.92 103

Payment records · PY2024 (103)

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
Actelion Pharmaceuticals US, Inc. $24.69 01/26/2024 Food and Beverage Undisputed 01/23/2026 1078892355 CMS
Actelion Pharmaceuticals US, Inc. $31.82 07/11/2024 Food and Beverage Undisputed 01/23/2026 1078892345 CMS
Actelion Pharmaceuticals US, Inc. $19.18 10/18/2024 Food and Beverage Undisputed 01/23/2026 1078892357 CMS
Actelion Pharmaceuticals US, Inc. $20.78 11/07/2024 Food and Beverage Undisputed 01/23/2026 1078892369 CMS
Amgen Inc. $30.16 07/19/2024 Food and Beverage Undisputed 01/23/2026 1117617592 CMS
Amgen Inc. $20.50 10/02/2024 Food and Beverage Undisputed 01/23/2026 1115892462 CMS
Amgen Inc. $22.50 12/11/2024 Food and Beverage Undisputed 01/23/2026 1115892466 CMS
ANI Pharmaceuticals, Inc. $31.16 04/30/2024 Food and Beverage Undisputed 01/23/2026 1091155624 CMS
AstraZeneca Pharmaceuticals LP $50.93 03/13/2024 Food and Beverage Undisputed 01/23/2026 1105530986 CMS
AstraZeneca Pharmaceuticals LP $23.98 05/01/2024 Food and Beverage Undisputed 01/23/2026 1105722566 CMS
AstraZeneca Pharmaceuticals LP $31.63 06/13/2024 Food and Beverage Undisputed 01/23/2026 1104721787 CMS
AstraZeneca Pharmaceuticals LP $30.57 07/12/2024 Food and Beverage Undisputed 01/23/2026 1105492947 CMS
AstraZeneca Pharmaceuticals LP $26.19 07/17/2024 Food and Beverage Undisputed 01/23/2026 1105353434 CMS
AstraZeneca Pharmaceuticals LP $26.00 07/26/2024 Food and Beverage Undisputed 01/23/2026 1105832071 CMS
AstraZeneca Pharmaceuticals LP $23.56 08/14/2024 Food and Beverage Undisputed 01/23/2026 1104286722 CMS
AstraZeneca Pharmaceuticals LP $25.07 09/04/2024 Food and Beverage Undisputed 01/23/2026 1104653181 CMS
AstraZeneca Pharmaceuticals LP $23.94 09/18/2024 Food and Beverage Undisputed 01/23/2026 1104586508 CMS
AstraZeneca Pharmaceuticals LP $27.83 11/13/2024 Food and Beverage Undisputed 01/23/2026 1104355096 CMS
AstraZeneca Pharmaceuticals LP $27.83 12/18/2024 Food and Beverage Undisputed 01/23/2026 1105575790 CMS
Baxter Healthcare $15.91 02/01/2024 Food and Beverage Undisputed 01/23/2026 1120632164 CMS
Baxter Healthcare $14.94 02/29/2024 Food and Beverage Undisputed 01/23/2026 1120632160 CMS
Baxter Healthcare $15.68 03/09/2024 Food and Beverage Undisputed 01/23/2026 1120632162 CMS
Baxter Healthcare $20.63 05/07/2024 Food and Beverage Undisputed 01/23/2026 1120632158 CMS
Baxter Healthcare $18.68 11/19/2024 Food and Beverage Undisputed 01/23/2026 1120632156 CMS
Bayer Healthcare Pharmaceuticals Inc. $25.36 08/30/2024 Food and Beverage Undisputed 01/23/2026 1086122856 CMS
Bayer Healthcare Pharmaceuticals Inc. $30.68 12/06/2024 Food and Beverage Undisputed 01/23/2026 1086111554 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $20.13 02/16/2024 Food and Beverage Undisputed 01/23/2026 1118049354 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $21.70 03/15/2024 Food and Beverage Undisputed 01/23/2026 1118049360 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $21.35 03/28/2024 Food and Beverage Undisputed 01/23/2026 1118049358 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $17.73 04/12/2024 Food and Beverage Undisputed 01/23/2026 1118049344 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $20.64 05/16/2024 Food and Beverage Undisputed 01/23/2026 1118049356 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.32 06/14/2024 Food and Beverage Undisputed 01/23/2026 1118049348 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $19.06 08/08/2024 Food and Beverage Undisputed 01/23/2026 1118049350 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $27.02 09/20/2024 Food and Beverage Undisputed 01/23/2026 1118049362 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.28 10/10/2024 Food and Beverage Undisputed 01/23/2026 1118049346 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $20.05 11/08/2024 Food and Beverage Undisputed 01/23/2026 1118049352 CMS
Electromed, Inc. $15.85 05/02/2024 Food and Beverage Undisputed 01/23/2026 1137902060 CMS
GENZYME CORPORATION $25.24 06/17/2024 Food and Beverage Undisputed 01/23/2026 1139639799 CMS
GENZYME CORPORATION $32.93 08/07/2024 Food and Beverage Undisputed 01/23/2026 1139639803 CMS
GENZYME CORPORATION $30.03 09/11/2024 Food and Beverage Undisputed 01/23/2026 1139639811 CMS
GENZYME CORPORATION $24.07 10/09/2024 Food and Beverage Undisputed 01/23/2026 1139639829 CMS
GENZYME CORPORATION $21.98 11/04/2024 Food and Beverage Undisputed 01/23/2026 1139639843 CMS
GENZYME CORPORATION $28.35 11/25/2024 Food and Beverage Undisputed 01/23/2026 1139639851 CMS
GlaxoSmithKline, LLC. $22.42 01/02/2024 Food and Beverage Undisputed 01/23/2026 1116513869 CMS
GlaxoSmithKline, LLC. $22.07 01/11/2024 Food and Beverage Undisputed 01/23/2026 1116255382 CMS
GlaxoSmithKline, LLC. $21.96 02/15/2024 Food and Beverage Undisputed 01/23/2026 1116524414 CMS
GlaxoSmithKline, LLC. $19.75 02/19/2024 Food and Beverage Undisputed 01/23/2026 1116420549 CMS
GlaxoSmithKline, LLC. $22.34 03/21/2024 Food and Beverage Undisputed 01/23/2026 1116090780 CMS
GlaxoSmithKline, LLC. $26.61 04/24/2024 Food and Beverage Undisputed 01/23/2026 1116463565 CMS
GlaxoSmithKline, LLC. $22.05 04/25/2024 Food and Beverage Undisputed 01/23/2026 1116563174 CMS
GlaxoSmithKline, LLC. $22.05 05/22/2024 Food and Beverage Undisputed 01/23/2026 1116567068 CMS
GlaxoSmithKline, LLC. $23.32 05/23/2024 Food and Beverage Undisputed 01/23/2026 1115954500 CMS
GlaxoSmithKline, LLC. $23.46 06/13/2024 Food and Beverage Undisputed 01/23/2026 1116651041 CMS
GlaxoSmithKline, LLC. $22.87 06/20/2024 Food and Beverage Undisputed 01/23/2026 1116562824 CMS
GlaxoSmithKline, LLC. $22.13 07/24/2024 Food and Beverage Undisputed 01/23/2026 1116642850 CMS
GlaxoSmithKline, LLC. $22.87 08/09/2024 Food and Beverage Undisputed 01/23/2026 1116403197 CMS
GlaxoSmithKline, LLC. $23.80 09/19/2024 Food and Beverage Undisputed 01/23/2026 1116532876 CMS
GlaxoSmithKline, LLC. $23.91 10/23/2024 Food and Beverage Undisputed 01/23/2026 1115786077 CMS
GlaxoSmithKline, LLC. $20.39 10/23/2024 Food and Beverage Undisputed 01/23/2026 1116586787 CMS
GlaxoSmithKline, LLC. $22.30 11/21/2024 Food and Beverage Undisputed 01/23/2026 1115927749 CMS
GlaxoSmithKline, LLC. $26.23 11/21/2024 Food and Beverage Undisputed 01/23/2026 1116649861 CMS
Grifols USA, LLC $22.46 01/13/2024 Food and Beverage Undisputed 01/23/2026 1124749915 CMS
Grifols USA, LLC $22.23 03/28/2024 Food and Beverage Undisputed 01/23/2026 1124749917 CMS
Grifols USA, LLC $24.33 05/04/2024 Food and Beverage Undisputed 01/23/2026 1124749903 CMS
Grifols USA, LLC $23.89 05/29/2024 Food and Beverage Undisputed 01/23/2026 1124749905 CMS
Grifols USA, LLC $24.72 06/27/2024 Food and Beverage Undisputed 01/23/2026 1124749907 CMS
Grifols USA, LLC $15.32 07/31/2024 Food and Beverage Undisputed 01/23/2026 1124749911 CMS
Grifols USA, LLC $16.40 08/21/2024 Food and Beverage Undisputed 01/23/2026 1124749909 CMS
Grifols USA, LLC $17.47 09/27/2024 Food and Beverage Undisputed 01/23/2026 1124749913 CMS
Grifols USA, LLC $23.77 11/22/2024 Food and Beverage Undisputed 01/23/2026 1124749921 CMS
Grifols USA, LLC $23.67 12/19/2024 Food and Beverage Undisputed 01/23/2026 1124749919 CMS
Insmed, Inc. $21.54 02/05/2024 Food and Beverage Undisputed 01/23/2026 1089580512 CMS
Insmed, Inc. $25.49 03/14/2024 Food and Beverage Undisputed 01/23/2026 1089580942 CMS
Insmed, Inc. $16.96 05/24/2024 Food and Beverage Undisputed 01/23/2026 1089565093 CMS
Insmed, Inc. $14.89 08/23/2024 Food and Beverage Undisputed 01/23/2026 1089567931 CMS
Insmed, Inc. $22.56 10/18/2024 Food and Beverage Undisputed 01/23/2026 1089561774 CMS
Mallinckrodt Hospital Products Inc. $27.64 06/05/2024 Food and Beverage Undisputed 01/23/2026 1145102471 CMS
Mylan Specialty L.P. $23.19 03/26/2024 Food and Beverage Undisputed 01/23/2026 1147289409 CMS
Mylan Specialty L.P. $14.46 10/04/2024 Food and Beverage Undisputed 01/23/2026 1147354912 CMS
PFIZER INC. $27.85 01/22/2024 Food and Beverage Undisputed 01/23/2026 1131464181 CMS
PFIZER INC. $30.29 02/29/2024 Food and Beverage Undisputed 01/23/2026 1131539067 CMS
PFIZER INC. $29.40 12/04/2024 Food and Beverage Undisputed 01/23/2026 1131514527 CMS
Pulmonx Corporation $17.63 03/01/2024 Food and Beverage Undisputed 01/23/2026 1087849321 CMS
Regeneron Healthcare Solutions, Inc. $21.13 03/08/2024 Food and Beverage Undisputed 01/23/2026 1114105909 CMS
Regeneron Healthcare Solutions, Inc. $30.14 04/05/2024 Food and Beverage Undisputed 01/23/2026 1114105911 CMS
Regeneron Healthcare Solutions, Inc. $30.67 05/16/2024 Food and Beverage Undisputed 01/23/2026 1114105913 CMS
Regeneron Healthcare Solutions, Inc. $27.71 07/18/2024 Food and Beverage Undisputed 01/23/2026 1114105915 CMS
Regeneron Healthcare Solutions, Inc. $24.52 08/28/2024 Food and Beverage Undisputed 01/23/2026 1114105917 CMS
Regeneron Healthcare Solutions, Inc. $30.34 09/26/2024 Food and Beverage Undisputed 01/23/2026 1114105919 CMS
Regeneron Healthcare Solutions, Inc. $33.13 11/20/2024 Food and Beverage Undisputed 01/23/2026 1114105921 CMS
Regeneron Healthcare Solutions, Inc. $28.75 12/11/2024 Food and Beverage Undisputed 01/23/2026 1114105923 CMS
Takeda Pharmaceuticals U.S.A., Inc. $25.35 02/08/2024 Food and Beverage Undisputed 01/23/2026 1137627618 CMS
Takeda Pharmaceuticals U.S.A., Inc. $27.65 04/05/2024 Food and Beverage Undisputed 01/23/2026 1137627620 CMS
Takeda Pharmaceuticals U.S.A., Inc. $32.44 07/10/2024 Food and Beverage Undisputed 01/23/2026 1137627622 CMS
Takeda Pharmaceuticals U.S.A., Inc. $34.64 10/31/2024 Food and Beverage Undisputed 01/23/2026 1137627624 CMS
Takeda Pharmaceuticals U.S.A., Inc. $34.28 11/15/2024 Food and Beverage Undisputed 01/23/2026 1137627626 CMS
United Therapeutics Corporation $22.52 03/06/2024 Food and Beverage Undisputed 01/23/2026 1149452080 CMS
United Therapeutics Corporation $22.94 04/10/2024 Food and Beverage Undisputed 01/23/2026 1149452960 CMS
United Therapeutics Corporation $26.65 05/30/2024 Food and Beverage Undisputed 01/23/2026 1149453748 CMS
United Therapeutics Corporation $27.53 09/12/2024 Food and Beverage Undisputed 01/23/2026 1149457566 CMS
United Therapeutics Corporation $21.55 10/02/2024 Food and Beverage Undisputed 01/23/2026 1149447332 CMS
Vifor Pharma, Inc. $22.86 04/26/2024 Food and Beverage Undisputed 01/23/2026 1124045613 CMS
Vifor Pharma, Inc. $23.50 09/06/2024 Food and Beverage Undisputed 01/23/2026 1124055587 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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