Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

JOHN ALAN MASSON

Allopathic & Osteopathic Physicians Internal Medicine Pulmonary Disease

NPI
1134100605
CMS profile
51441
Location
CLEARWATER, FL

General Payments · PY2019–2025

$5,089.29

  • Reported across 252 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$1,178.73

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.

By nature of payment

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,089.74 47
Education $88.99 1

By paying entity

PY2025 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $909.64 57
PY2020 $336.65 19
PY2021 $92.53 5
PY2022 $479.51 28
PY2023 $820.03 48
PY2024 $1,272.20 47
PY2025 $1,178.73 48

Payment records · PY2025 (48)

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

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $21.76 02/04/2025 Food and Beverage Undisputed 06/30/2026 1203032572 CMS
ABBVIE INC. $23.98 03/11/2025 Food and Beverage Undisputed 06/30/2026 1203032574 CMS
ABBVIE INC. $15.25 07/30/2025 Food and Beverage Undisputed 06/30/2026 1203032576 CMS
ABBVIE INC. $23.78 09/19/2025 Food and Beverage Undisputed 06/30/2026 1203032578 CMS
ABBVIE INC. $30.14 12/03/2025 Food and Beverage Undisputed 06/30/2026 1203032580 CMS
Actelion Pharmaceuticals US, Inc. $24.59 04/29/2025 Food and Beverage Undisputed 06/30/2026 1174198009 CMS
Actelion Pharmaceuticals US, Inc. $88.99 06/10/2025 Education Undisputed 06/30/2026 1174197967 CMS
Amgen Inc. $17.76 03/14/2025 Food and Beverage Undisputed 06/30/2026 1228379320 CMS
Amgen Inc. $20.70 05/13/2025 Food and Beverage Undisputed 06/30/2026 1228379318 CMS
AstraZeneca Pharmaceuticals LP $14.79 02/04/2025 Food and Beverage Undisputed 06/30/2026 1206543787 CMS
AstraZeneca Pharmaceuticals LP $15.33 02/06/2025 Food and Beverage Undisputed 06/30/2026 1206761627 CMS
AstraZeneca Pharmaceuticals LP $20.08 02/21/2025 Food and Beverage Undisputed 06/30/2026 1206481625 CMS
AstraZeneca Pharmaceuticals LP $55.19 04/28/2025 Food and Beverage Undisputed 06/30/2026 1206310622 CMS
AstraZeneca Pharmaceuticals LP $16.43 05/05/2025 Food and Beverage Undisputed 06/30/2026 1206465865 CMS
AstraZeneca Pharmaceuticals LP $14.77 07/30/2025 Food and Beverage Undisputed 06/30/2026 1206862389 CMS
AstraZeneca Pharmaceuticals LP $15.65 09/15/2025 Food and Beverage Undisputed 06/30/2026 1206820379 CMS
AstraZeneca Pharmaceuticals LP $24.99 12/13/2025 Food and Beverage Undisputed 06/30/2026 1206847312 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $7.18 08/01/2025 Food and Beverage Undisputed 06/30/2026 1222855632 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $125.00 11/18/2025 Food and Beverage Undisputed 06/30/2026 1222855610 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $5.18 12/12/2025 Food and Beverage Undisputed 06/30/2026 1222855598 CMS
Electromed, Inc. $15.15 06/23/2025 Food and Beverage Undisputed 06/30/2026 1224571554 CMS
Electromed, Inc. $13.92 07/21/2025 Food and Beverage Undisputed 06/30/2026 1224571558 CMS
GlaxoSmithKline, LLC. $4.25 03/03/2025 Food and Beverage Undisputed 06/30/2026 1190713739 CMS
GlaxoSmithKline, LLC. $6.31 03/03/2025 Food and Beverage Undisputed 06/30/2026 1191459056 CMS
GlaxoSmithKline, LLC. $15.48 05/09/2025 Food and Beverage Undisputed 06/30/2026 1191322677 CMS
GlaxoSmithKline, LLC. $10.68 05/12/2025 Food and Beverage Undisputed 06/30/2026 1191031584 CMS
GlaxoSmithKline, LLC. $21.15 05/29/2025 Food and Beverage Undisputed 06/30/2026 1191330646 CMS
GlaxoSmithKline, LLC. $14.82 07/31/2025 Food and Beverage Undisputed 06/30/2026 1191040587 CMS
GlaxoSmithKline, LLC. $19.29 09/16/2025 Food and Beverage Undisputed 06/30/2026 1190666956 CMS
GlaxoSmithKline, LLC. $15.47 10/06/2025 Food and Beverage Undisputed 06/30/2026 1190380919 CMS
GlaxoSmithKline, LLC. $23.20 10/07/2025 Food and Beverage Undisputed 06/30/2026 1190988631 CMS
GlaxoSmithKline, LLC. $26.18 12/04/2025 Food and Beverage Undisputed 06/30/2026 1191535079 CMS
Grifols USA, LLC $15.87 07/30/2025 Food and Beverage Undisputed 06/30/2026 1249542977 CMS
Grifols USA, LLC $28.55 10/01/2025 Food and Beverage Undisputed 06/30/2026 1249542983 CMS
Insmed, Inc. $25.96 05/14/2025 Food and Beverage Undisputed 06/30/2026 1186263791 CMS
Itamar Medical Inc $31.80 07/10/2025 Food and Beverage Undisputed 06/30/2026 1254932685 CMS
Merck Sharp & Dohme LLC $33.87 02/19/2025 Food and Beverage Undisputed 06/30/2026 1238048007 CMS
Merck Sharp & Dohme LLC $30.94 03/12/2025 Food and Beverage Undisputed 06/30/2026 1238048005 CMS
Merck Sharp & Dohme LLC $29.38 05/02/2025 Food and Beverage Undisputed 06/30/2026 1238309272 CMS
Merck Sharp & Dohme LLC $8.66 07/28/2025 Food and Beverage Undisputed 06/30/2026 1238048003 CMS
Merck Sharp & Dohme LLC $32.04 09/17/2025 Food and Beverage Undisputed 06/30/2026 1238092031 CMS
Regeneron Healthcare Solutions, Inc. $29.25 04/29/2025 Food and Beverage Undisputed 06/30/2026 1212984543 CMS
Shionogi Inc $17.62 09/05/2025 Food and Beverage Undisputed 06/30/2026 1250713057 CMS
United Therapeutics Corporation $24.08 07/10/2025 Food and Beverage Undisputed 06/30/2026 1242558555 CMS
United Therapeutics Corporation $15.76 08/14/2025 Food and Beverage Undisputed 06/30/2026 1242531418 CMS
United Therapeutics Corporation $32.42 09/03/2025 Food and Beverage Undisputed 06/30/2026 1242528828 CMS
United Therapeutics Corporation $31.82 11/20/2025 Food and Beverage Undisputed 06/30/2026 1242542262 CMS
Verona Pharma, Inc. $23.27 12/09/2025 Food and Beverage Undisputed 06/30/2026 1233764606 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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