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

ARTHUR DECILLIS

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1215202056
CMS profile
1138212
Location
MADISON, CT

General Payments · PY2018–2024

$887,874.13

  • Reported across 119 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$281,287.70

12 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
Consulting Fee $281,287.70 12

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Alnylam Pharmaceuticals Inc. $281,287.70 12

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $118,555.14 30
PY2019 $162,113.17 36
PY2020 $77,246.88 12
PY2021 $24,501.04 9
PY2022 $23,555.00 8
PY2023 $200,615.20 12
PY2024 $281,287.70 12

Payment records · PY2024 (12)

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
Alnylam Pharmaceuticals Inc. $19,030.20 02/01/2024 Consulting Fee Undisputed 01/23/2026 1125850245 CMS
Alnylam Pharmaceuticals Inc. $4,622.30 02/29/2024 Consulting Fee Undisputed 01/23/2026 1125850241 CMS
Alnylam Pharmaceuticals Inc. $6,015.20 02/29/2024 Consulting Fee Undisputed 01/23/2026 1125850243 CMS
Alnylam Pharmaceuticals Inc. $20,987.50 04/04/2024 Consulting Fee Undisputed 01/23/2026 1125850247 CMS
Alnylam Pharmaceuticals Inc. $32,430.00 04/25/2024 Consulting Fee Undisputed 01/23/2026 1125850249 CMS
Alnylam Pharmaceuticals Inc. $26,047.50 05/30/2024 Consulting Fee Undisputed 01/23/2026 1125850335 CMS
Alnylam Pharmaceuticals Inc. $33,465.00 06/27/2024 Consulting Fee Undisputed 01/23/2026 1125850337 CMS
Alnylam Pharmaceuticals Inc. $35,880.00 08/01/2024 Consulting Fee Undisputed 01/23/2026 1125850345 CMS
Alnylam Pharmaceuticals Inc. $25,472.50 08/22/2024 Consulting Fee Undisputed 01/23/2026 1125850347 CMS
Alnylam Pharmaceuticals Inc. $20,872.50 09/26/2024 Consulting Fee Undisputed 01/23/2026 1125850361 CMS
Alnylam Pharmaceuticals Inc. $32,315.00 11/07/2024 Consulting Fee Undisputed 01/23/2026 1125850367 CMS
Alnylam Pharmaceuticals Inc. $24,150.00 11/27/2024 Consulting Fee Undisputed 01/23/2026 1125850369 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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