IndustryPayments
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

KARTHI NAMASIVAYAM

Allopathic & Osteopathic Physicians Psychiatry & Neurology Psychiatry

NPI
1437145448
CMS profile
19226
Location
KNOXVILLE, TN

General Payments · PY2018–2024

$260,960.65

  • Reported across 426 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$35,924.07

61 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.

Related groups: Psychiatry TN All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $29,467.00 13
Travel and Lodging $5,137.10 23
Food and Beverage $1,319.97 25

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Alkermes, Inc. $21,060.49 31
E.R. Squibb & Sons, L.L.C. $14,430.76 27
Otsuka Pharmaceutical Development & Commercialization, Inc. $351.00 1
Axsome Therapeutics, Inc. $54.98 1
Indivior Inc. $26.84 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $73,777.83 116
PY2019 $48,865.64 98
PY2020 $28,578.07 44
PY2021 $11,471.75 13
PY2022 $25,999.06 45
PY2023 $36,344.23 49
PY2024 $35,924.07 61

Payment records · PY2024 (61)

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
Alkermes, Inc. $22.96 03/20/2024 Food and Beverage Undisputed 01/23/2026 1120561054 CMS
Alkermes, Inc. $128.64 03/25/2024 Travel and Lodging Undisputed 01/23/2026 1120561056 CMS
Alkermes, Inc. $1,910.00 03/25/2024 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 1120561058 CMS
Alkermes, Inc. $113.11 04/25/2024 Food and Beverage Undisputed 01/23/2026 1120561060 CMS
Alkermes, Inc. $1,755.00 05/06/2024 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 1120561062 CMS
Alkermes, Inc. $1,755.00 05/06/2024 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 1120561064 CMS
Alkermes, Inc. $49.58 05/08/2024 Travel and Lodging Undisputed 01/23/2026 1120561066 CMS
Alkermes, Inc. $51.59 05/08/2024 Travel and Lodging Undisputed 01/23/2026 1120561068 CMS
Alkermes, Inc. $117.92 05/29/2024 Travel and Lodging Undisputed 01/23/2026 1120561070 CMS
Alkermes, Inc. $121.20 06/07/2024 Food and Beverage Undisputed 01/23/2026 1124784953 CMS
Alkermes, Inc. $1,170.21 06/08/2024 Travel and Lodging Undisputed 01/23/2026 1120561090 CMS
Alkermes, Inc. $303.97 06/08/2024 Travel and Lodging Undisputed 01/23/2026 1120561092 CMS
Alkermes, Inc. $23.07 06/08/2024 Food and Beverage Undisputed 01/23/2026 1124784955 CMS
Alkermes, Inc. $29.50 06/08/2024 Food and Beverage Undisputed 01/23/2026 1124784957 CMS
Alkermes, Inc. $46.34 06/08/2024 Food and Beverage Undisputed 01/23/2026 1124784959 CMS
Alkermes, Inc. $69.46 06/08/2024 Food and Beverage Undisputed 01/23/2026 1124784961 CMS
Alkermes, Inc. $17.50 06/08/2024 Food and Beverage Undisputed 01/23/2026 1124784963 CMS
Alkermes, Inc. $23.07 06/08/2024 Food and Beverage Undisputed 01/23/2026 1124784965 CMS
Alkermes, Inc. $1,910.00 06/12/2024 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 1120561072 CMS
Alkermes, Inc. $1,910.00 06/12/2024 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 1120561074 CMS
Alkermes, Inc. $21.44 07/01/2024 Travel and Lodging Undisputed 01/23/2026 1120561076 CMS
Alkermes, Inc. $1,910.00 07/01/2024 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 1120561078 CMS
Alkermes, Inc. $5,430.00 07/10/2024 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 1120561106 CMS
Alkermes, Inc. $21.44 07/10/2024 Travel and Lodging Undisputed 01/23/2026 1120561108 CMS
Alkermes, Inc. $44.00 07/10/2024 Travel and Lodging Undisputed 01/23/2026 1120561110 CMS
Alkermes, Inc. $12.53 07/10/2024 Food and Beverage Undisputed 01/23/2026 1120561112 CMS
Alkermes, Inc. $24.27 07/10/2024 Food and Beverage Undisputed 01/23/2026 1120561114 CMS
Alkermes, Inc. $30.81 08/13/2024 Food and Beverage Undisputed 01/23/2026 1120561080 CMS
Alkermes, Inc. $49.58 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1120561082 CMS
Alkermes, Inc. $1,910.00 09/17/2024 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 1120561084 CMS
Alkermes, Inc. $78.30 12/02/2024 Food and Beverage Undisputed 01/23/2026 1120561086 CMS
Axsome Therapeutics, Inc. $54.98 05/30/2024 Food and Beverage Undisputed 01/23/2026 1148295182 CMS
E.R. Squibb & Sons, L.L.C. $124.99 10/04/2024 Food and Beverage Undisputed 01/23/2026 1101234491 CMS
E.R. Squibb & Sons, L.L.C. $29.86 10/04/2024 Food and Beverage Undisputed 01/23/2026 1101234493 CMS
E.R. Squibb & Sons, L.L.C. $29.86 10/04/2024 Food and Beverage Undisputed 01/23/2026 1101234495 CMS
E.R. Squibb & Sons, L.L.C. $49.75 10/04/2024 Food and Beverage Undisputed 01/23/2026 1101234497 CMS
E.R. Squibb & Sons, L.L.C. $49.75 10/04/2024 Food and Beverage Undisputed 01/23/2026 1101234499 CMS
E.R. Squibb & Sons, L.L.C. $506.25 10/04/2024 Travel and Lodging Undisputed 01/23/2026 1101234501 CMS
E.R. Squibb & Sons, L.L.C. $226.86 10/04/2024 Travel and Lodging Undisputed 01/23/2026 1101234503 CMS
E.R. Squibb & Sons, L.L.C. $58.33 10/04/2024 Travel and Lodging Undisputed 01/23/2026 1101234515 CMS
E.R. Squibb & Sons, L.L.C. $521.08 10/15/2024 Travel and Lodging Undisputed 01/23/2026 1101234523 CMS
E.R. Squibb & Sons, L.L.C. $118.88 10/15/2024 Food and Beverage Undisputed 01/23/2026 1101234525 CMS
E.R. Squibb & Sons, L.L.C. $807.77 10/15/2024 Travel and Lodging Undisputed 01/23/2026 1101234531 CMS
E.R. Squibb & Sons, L.L.C. $4,600.00 11/06/2024 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 1101234537 CMS
E.R. Squibb & Sons, L.L.C. $44.00 11/08/2024 Travel and Lodging Undisputed 01/23/2026 1101234527 CMS
E.R. Squibb & Sons, L.L.C. $21.44 11/08/2024 Travel and Lodging Undisputed 01/23/2026 1101234529 CMS
E.R. Squibb & Sons, L.L.C. $76.66 11/08/2024 Food and Beverage Undisputed 01/23/2026 1101234535 CMS
E.R. Squibb & Sons, L.L.C. $153.14 11/19/2024 Travel and Lodging Undisputed 01/23/2026 1101234533 CMS
E.R. Squibb & Sons, L.L.C. $101.60 11/21/2024 Food and Beverage Undisputed 01/23/2026 1101234539 CMS
E.R. Squibb & Sons, L.L.C. $405.37 11/21/2024 Travel and Lodging Undisputed 01/23/2026 1101234541 CMS
E.R. Squibb & Sons, L.L.C. $9.47 11/21/2024 Travel and Lodging Undisputed 01/23/2026 1101234549 CMS
E.R. Squibb & Sons, L.L.C. $1,610.00 11/25/2024 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 1101234513 CMS
E.R. Squibb & Sons, L.L.C. $5.48 12/18/2024 Food and Beverage Undisputed 01/23/2026 1101234509 CMS
E.R. Squibb & Sons, L.L.C. $85.33 12/18/2024 Travel and Lodging Undisputed 01/23/2026 1101234511 CMS
E.R. Squibb & Sons, L.L.C. $49.58 12/18/2024 Travel and Lodging Undisputed 01/23/2026 1101234519 CMS
E.R. Squibb & Sons, L.L.C. $290.11 12/18/2024 Travel and Lodging Undisputed 01/23/2026 1101234545 CMS
E.R. Squibb & Sons, L.L.C. $39.20 12/18/2024 Food and Beverage Undisputed 01/23/2026 1101234547 CMS
E.R. Squibb & Sons, L.L.C. $3,036.00 12/20/2024 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 1101234521 CMS
E.R. Squibb & Sons, L.L.C. $1,380.00 12/20/2024 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 1101234543 CMS
Indivior Inc. $26.84 10/10/2024 Food and Beverage Undisputed 01/23/2026 1144534187 CMS
Otsuka Pharmaceutical Development & Commercialization, Inc. $351.00 04/10/2024 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 1118838585 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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