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

ADAM WESTON

Allopathic & Osteopathic Physicians Internal Medicine Infectious Disease

NPI
1477729598
CMS profile
157465
Location
LOWELL, MA

General Payments · PY2019–2025

$11,556.64

  • Reported across 512 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$1,646.75

68 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 $1,606.80 67
Education $39.95 1

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Gilead Sciences, Inc. $421.20 18
Insmed, Inc. $331.09 12
ViiV Healthcare Company $255.52 12
ABBVIE INC. $228.82 9
Paratek Pharmaceuticals, Inc. $178.92 8
Astellas Pharma US Inc $91.69 3
AIMMUNE THERAPEUTICS, INC. $62.52 3
Shionogi Inc $58.18 2
PFIZER INC. $18.81 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $1,510.70 79
PY2020 $1,218.85 57
PY2021 $1,729.67 85
PY2022 $1,568.95 67
PY2023 $1,952.15 78
PY2024 $1,929.57 78
PY2025 $1,646.75 68

Payment records · PY2025 (68)

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. $20.82 01/23/2025 Food and Beverage Undisputed 06/30/2026 1204730777 CMS
ABBVIE INC. $30.41 03/18/2025 Food and Beverage Undisputed 06/30/2026 1204730784 CMS
ABBVIE INC. $28.15 03/19/2025 Food and Beverage Undisputed 06/30/2026 1204730787 CMS
ABBVIE INC. $29.21 05/28/2025 Food and Beverage Undisputed 06/30/2026 1204730790 CMS
ABBVIE INC. $27.23 07/09/2025 Food and Beverage Undisputed 06/30/2026 1204730794 CMS
ABBVIE INC. $6.05 07/23/2025 Food and Beverage Undisputed 06/30/2026 1204730798 CMS
ABBVIE INC. $29.25 08/06/2025 Food and Beverage Undisputed 06/30/2026 1204730801 CMS
ABBVIE INC. $31.46 09/10/2025 Food and Beverage Undisputed 06/30/2026 1204730805 CMS
ABBVIE INC. $26.24 10/22/2025 Food and Beverage Undisputed 06/30/2026 1204730811 CMS
Aimmune Therapeutics, Inc. $21.08 05/27/2025 Food and Beverage Undisputed 06/30/2026 1249692741 CMS
Aimmune Therapeutics, Inc. $25.11 08/27/2025 Food and Beverage Undisputed 06/30/2026 1249692743 CMS
Aimmune Therapeutics, Inc. $16.33 10/08/2025 Food and Beverage Undisputed 06/30/2026 1249692739 CMS
Astellas Pharma US Inc $34.99 09/03/2025 Food and Beverage Undisputed 06/30/2026 1238657124 CMS
Astellas Pharma US Inc $25.68 10/29/2025 Food and Beverage Undisputed 06/30/2026 1238594474 CMS
Astellas Pharma US Inc $31.02 12/17/2025 Food and Beverage Undisputed 06/30/2026 1238599558 CMS
Gilead Sciences, Inc. $19.94 01/08/2025 Food and Beverage Undisputed 06/30/2026 1234528951 CMS
Gilead Sciences, Inc. $34.78 01/14/2025 Food and Beverage Undisputed 06/30/2026 1234417433 CMS
Gilead Sciences, Inc. $6.10 01/22/2025 Food and Beverage Undisputed 06/30/2026 1234598460 CMS
Gilead Sciences, Inc. $28.03 02/26/2025 Food and Beverage Undisputed 06/30/2026 1234451162 CMS
Gilead Sciences, Inc. $28.27 03/05/2025 Food and Beverage Undisputed 06/30/2026 1234449497 CMS
Gilead Sciences, Inc. $20.47 03/11/2025 Food and Beverage Undisputed 06/30/2026 1234523495 CMS
Gilead Sciences, Inc. $26.98 03/12/2025 Food and Beverage Undisputed 06/30/2026 1234458646 CMS
Gilead Sciences, Inc. $23.54 05/07/2025 Food and Beverage Undisputed 06/30/2026 1234489054 CMS
Gilead Sciences, Inc. $32.56 05/21/2025 Food and Beverage Undisputed 06/30/2026 1234425962 CMS
Gilead Sciences, Inc. $25.57 06/24/2025 Food and Beverage Undisputed 06/30/2026 1234469617 CMS
Gilead Sciences, Inc. $22.32 06/25/2025 Food and Beverage Undisputed 06/30/2026 1234501635 CMS
Gilead Sciences, Inc. $30.01 07/22/2025 Food and Beverage Undisputed 06/30/2026 1234437666 CMS
Gilead Sciences, Inc. $32.03 08/05/2025 Food and Beverage Undisputed 06/30/2026 1234428048 CMS
Gilead Sciences, Inc. $4.02 08/26/2025 Food and Beverage Undisputed 06/30/2026 1234605353 CMS
Gilead Sciences, Inc. $23.95 09/23/2025 Food and Beverage Undisputed 06/30/2026 1234484896 CMS
Gilead Sciences, Inc. $24.19 10/01/2025 Food and Beverage Undisputed 06/30/2026 1234482522 CMS
Gilead Sciences, Inc. $18.11 10/21/2025 Food and Beverage Undisputed 06/30/2026 1234547855 CMS
Gilead Sciences, Inc. $20.33 12/02/2025 Food and Beverage Undisputed 06/30/2026 1234524991 CMS
Insmed, Inc. $28.58 01/21/2025 Food and Beverage Undisputed 06/30/2026 1186297523 CMS
Insmed, Inc. $29.44 02/11/2025 Food and Beverage Undisputed 06/30/2026 1186299764 CMS
Insmed, Inc. $33.76 03/11/2025 Food and Beverage Undisputed 06/30/2026 1186297708 CMS
Insmed, Inc. $29.09 04/15/2025 Food and Beverage Undisputed 06/30/2026 1186299414 CMS
Insmed, Inc. $29.07 05/13/2025 Food and Beverage Undisputed 06/30/2026 1186291068 CMS
Insmed, Inc. $27.48 06/11/2025 Food and Beverage Undisputed 06/30/2026 1186299818 CMS
Insmed, Inc. $30.70 07/15/2025 Food and Beverage Undisputed 06/30/2026 1186299832 CMS
Insmed, Inc. $32.03 09/16/2025 Food and Beverage Undisputed 06/30/2026 1186299872 CMS
Insmed, Inc. $29.21 10/15/2025 Food and Beverage Undisputed 06/30/2026 1186281946 CMS
Insmed, Inc. $1.81 10/15/2025 Food and Beverage Undisputed 06/30/2026 1186281984 CMS
Insmed, Inc. $33.77 11/12/2025 Food and Beverage Undisputed 06/30/2026 1186303052 CMS
Insmed, Inc. $26.15 12/16/2025 Food and Beverage Undisputed 06/30/2026 1186301780 CMS
Paratek Pharmaceuticals, Inc. $20.72 01/08/2025 Food and Beverage Undisputed 06/30/2026 1181769717 CMS
Paratek Pharmaceuticals, Inc. $19.06 02/03/2025 Food and Beverage Undisputed 06/30/2026 1181769719 CMS
Paratek Pharmaceuticals, Inc. $18.82 03/03/2025 Food and Beverage Undisputed 06/30/2026 1181769721 CMS
Paratek Pharmaceuticals, Inc. $19.99 04/07/2025 Food and Beverage Undisputed 06/30/2026 1181769723 CMS
Paratek Pharmaceuticals, Inc. $20.40 05/07/2025 Food and Beverage Undisputed 06/30/2026 1181769725 CMS
Paratek Pharmaceuticals, Inc. $39.95 06/10/2025 Education Undisputed 06/30/2026 1181769727 CMS
Paratek Pharmaceuticals, Inc. $19.99 06/11/2025 Food and Beverage Undisputed 06/30/2026 1181769729 CMS
Paratek Pharmaceuticals, Inc. $19.99 07/09/2025 Food and Beverage Undisputed 06/30/2026 1181769731 CMS
PFIZER INC. $18.81 04/16/2025 Food and Beverage Undisputed 06/30/2026 1228971277 CMS
Shionogi Inc $29.76 09/17/2025 Food and Beverage Undisputed 06/30/2026 1250721159 CMS
Shionogi Inc $28.42 11/04/2025 Food and Beverage Undisputed 06/30/2026 1250721187 CMS
ViiV Healthcare Company $23.79 01/29/2025 Food and Beverage Undisputed 06/30/2026 1189561386 CMS
ViiV Healthcare Company $23.22 02/25/2025 Food and Beverage Undisputed 06/30/2026 1189624228 CMS
ViiV Healthcare Company $19.18 04/08/2025 Food and Beverage Undisputed 06/30/2026 1189536618 CMS
ViiV Healthcare Company $25.27 04/10/2025 Food and Beverage Undisputed 06/30/2026 1189586051 CMS
ViiV Healthcare Company $34.38 04/23/2025 Food and Beverage Undisputed 06/30/2026 1189600608 CMS
ViiV Healthcare Company $10.27 06/17/2025 Food and Beverage Undisputed 06/30/2026 1189608037 CMS
ViiV Healthcare Company $20.20 07/16/2025 Food and Beverage Undisputed 06/30/2026 1189521152 CMS
ViiV Healthcare Company $25.25 08/13/2025 Food and Beverage Undisputed 06/30/2026 1189511408 CMS
ViiV Healthcare Company $25.40 08/26/2025 Food and Beverage Undisputed 06/30/2026 1189567491 CMS
ViiV Healthcare Company $18.44 09/30/2025 Food and Beverage Undisputed 06/30/2026 1189552882 CMS
ViiV Healthcare Company $18.45 10/28/2025 Food and Beverage Undisputed 06/30/2026 1189622448 CMS
ViiV Healthcare Company $11.67 11/24/2025 Food and Beverage Undisputed 06/30/2026 1189596304 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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