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

ARUN S VARADHACHARY

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1801002779
CMS profile
528555
Location
SAINT LOUIS, MO

General Payments · PY2018–2024

$373,279.45

  • Reported across 341 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$53,857.75

54 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

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Biogen, Inc. $33,146.40 30
ARGENX US, INC. $12,952.78 18
NOVARTIS PHARMACEUTICALS CORPORATION $7,743.09 5
PFIZER INC. $15.48 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $107,411.25 95
PY2019 $104,090.58 113
PY2020 $23,320.79 12
PY2021 $34,320.66 25
PY2022 $34,159.84 31
PY2023 $16,118.58 11
PY2024 $53,857.75 54

Payment records · PY2024 (54)

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
ARGENX US, INC. $42.00 01/26/2024 Food and Beverage Undisputed 01/23/2026 1142113399 CMS
ARGENX US, INC. $31.95 01/26/2024 Food and Beverage Undisputed 01/23/2026 1142114163 CMS
ARGENX US, INC. $328.13 01/26/2024 Travel and Lodging Undisputed 01/23/2026 1142114449 CMS
ARGENX US, INC. $216.45 01/26/2024 Travel and Lodging Undisputed 01/23/2026 1142114453 CMS
ARGENX US, INC. $65.00 01/26/2024 Consulting Fee Undisputed 01/23/2026 1142115159 CMS
ARGENX US, INC. $5,750.00 02/01/2024 Consulting Fee Undisputed 01/23/2026 1142114451 CMS
ARGENX US, INC. $72.01 02/08/2024 Food and Beverage Undisputed 01/23/2026 1142114077 CMS
ARGENX US, INC. $14.83 02/08/2024 Food and Beverage Undisputed 01/23/2026 1142114083 CMS
ARGENX US, INC. $2,025.09 06/19/2024 Travel and Lodging Undisputed 01/23/2026 1142114743 CMS
ARGENX US, INC. $66.15 06/20/2024 Food and Beverage Undisputed 01/23/2026 1142114669 CMS
ARGENX US, INC. $50.00 06/21/2024 Food and Beverage Undisputed 01/23/2026 1142114707 CMS
ARGENX US, INC. $75.00 06/21/2024 Food and Beverage Undisputed 01/23/2026 1142114715 CMS
ARGENX US, INC. $243.75 06/21/2024 Travel and Lodging Undisputed 01/23/2026 1142114747 CMS
ARGENX US, INC. $299.91 06/21/2024 Travel and Lodging Undisputed 01/23/2026 1142114761 CMS
ARGENX US, INC. $17.79 06/21/2024 Food and Beverage Undisputed 01/23/2026 1142115005 CMS
ARGENX US, INC. $118.59 07/10/2024 Food and Beverage Undisputed 01/23/2026 1142108455 CMS
ARGENX US, INC. $3,500.00 07/18/2024 Consulting Fee Undisputed 01/23/2026 1142114663 CMS
ARGENX US, INC. $36.13 07/18/2024 Travel and Lodging Undisputed 01/23/2026 1142114923 CMS
Biogen, Inc. $171.00 01/12/2024 Consulting Fee Undisputed 01/23/2026 1104846740 CMS
Biogen, Inc. $21.43 01/22/2024 Food and Beverage Undisputed 01/23/2026 1104835921 CMS
Biogen, Inc. $451.00 01/24/2024 Travel and Lodging Undisputed 01/23/2026 1104851360 CMS
Biogen, Inc. $74.76 02/28/2024 Food and Beverage Undisputed 01/23/2026 1104806891 CMS
Biogen, Inc. $1,144.00 02/28/2024 Consulting Fee Undisputed 01/23/2026 1104814635 CMS
Biogen, Inc. $13.00 02/28/2024 Travel and Lodging Undisputed 01/23/2026 1104843818 CMS
Biogen, Inc. $40.00 02/28/2024 Travel and Lodging Undisputed 01/23/2026 1104853612 CMS
Biogen, Inc. $8,220.00 02/28/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1104859258 CMS
Biogen, Inc. $176.00 02/28/2024 Travel and Lodging Undisputed 01/23/2026 1104864016 CMS
Biogen, Inc. $12.00 02/28/2024 Travel and Lodging Undisputed 01/23/2026 1104871208 CMS
Biogen, Inc. $61.00 02/28/2024 Travel and Lodging Undisputed 01/23/2026 1104874166 CMS
Biogen, Inc. $25.00 02/29/2024 Travel and Lodging Undisputed 01/23/2026 1104812451 CMS
Biogen, Inc. $13.00 06/04/2024 Food and Beverage Undisputed 01/23/2026 1104818426 CMS
Biogen, Inc. $578.00 06/04/2024 Travel and Lodging Undisputed 01/23/2026 1104823548 CMS
Biogen, Inc. $97.43 06/04/2024 Food and Beverage Undisputed 01/23/2026 1104832654 CMS
Biogen, Inc. $36.00 06/04/2024 Travel and Lodging Undisputed 01/23/2026 1104845554 CMS
Biogen, Inc. $168.00 06/04/2024 Travel and Lodging Undisputed 01/23/2026 1104858108 CMS
Biogen, Inc. $32.00 06/05/2024 Travel and Lodging Undisputed 01/23/2026 1104878912 CMS
Biogen, Inc. $8,220.00 06/06/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1104858106 CMS
Biogen, Inc. $19.00 10/08/2024 Food and Beverage Undisputed 01/23/2026 1104813543 CMS
Biogen, Inc. $12.00 10/08/2024 Travel and Lodging Undisputed 01/23/2026 1104819566 CMS
Biogen, Inc. $13.00 10/08/2024 Travel and Lodging Undisputed 01/23/2026 1104832018 CMS
Biogen, Inc. $122.00 10/08/2024 Travel and Lodging Undisputed 01/23/2026 1104833773 CMS
Biogen, Inc. $45.00 10/08/2024 Travel and Lodging Undisputed 01/23/2026 1104839960 CMS
Biogen, Inc. $82.78 10/08/2024 Food and Beverage Undisputed 01/23/2026 1104851362 CMS
Biogen, Inc. $8,220.00 10/08/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1104869614 CMS
Biogen, Inc. $45.00 10/09/2024 Travel and Lodging Undisputed 01/23/2026 1104805753 CMS
Biogen, Inc. $58.00 10/09/2024 Travel and Lodging Undisputed 01/23/2026 1104809041 CMS
Biogen, Inc. $181.00 12/18/2024 Travel and Lodging Undisputed 01/23/2026 1104808011 CMS
Biogen, Inc. $4,795.00 12/18/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1104865098 CMS
Novartis Pharmaceuticals Corporation $124.98 10/18/2024 Food and Beverage Undisputed 01/23/2026 1087442110 CMS
Novartis Pharmaceuticals Corporation $149.93 10/19/2024 Food and Beverage Undisputed 01/23/2026 1087442112 CMS
Novartis Pharmaceuticals Corporation $303.97 10/19/2024 Travel and Lodging Undisputed 01/23/2026 1087442114 CMS
Novartis Pharmaceuticals Corporation $7,085.00 10/19/2024 Consulting Fee Undisputed 01/23/2026 1087442116 CMS
Novartis Pharmaceuticals Corporation $79.21 10/19/2024 Travel and Lodging Undisputed 01/23/2026 1087442118 CMS
PFIZER INC. $15.48 08/07/2024 Food and Beverage Undisputed 01/23/2026 1131858173 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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