Covered recipient · General Payments record

KARTHI NAMASIVAYAM

Allopathic & Osteopathic Physicians Psychiatry & Neurology Psychiatry

NPI: 1437145448
CMS profile: 19226
Location: KNOXVILLE, TN

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

General Payments · PY2025

$38,240.93

71 records · 0 disputed

Summary and payment records

CMS publication 2026-06-30

Read the payment records

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”
— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated

This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. 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.
Methodology & Data — sourcing, labeling, and limitations.

Data mirrored July 26, 2026. CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

By nature of payment

PY2025 · sorted by reported total

Nature of payment	Amount	Records
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$26,223.00	12
Consulting Fee	$6,230.00	2
Travel and Lodging	$4,207.15	18
Food and Beverage	$1,580.78	39

By paying entity

PY2025 · sorted by reported total

Paying entity	Amount	Records
E.R. Squibb & Sons, L.L.C.	$19,475.34	28
Alkermes, Inc.	$15,296.05	27
Otsuka Pharmaceutical Development & Commercialization, Inc.	$3,224.56	6
Janssen Pharmaceuticals, Inc	$88.10	3
Indivior Inc.	$80.11	3
ABBVIE INC.	$76.77	4

Payment records · PY2025 (71)

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

Paying entity	Amount	Date	Nature of payment	Dispute status	Published	Record ID	Source
ABBVIE INC.	$20.88	12/10/2025	Food and Beverage	No dispute reported	06/30/2026	1203228154	CMS
Otsuka Pharmaceutical Development & Commercialization, Inc.	$79.61	11/20/2025	Food and Beverage	No dispute reported	06/30/2026	1225324737	CMS
ABBVIE INC.	$17.34	11/19/2025	Food and Beverage	No dispute reported	06/30/2026	1203228147	CMS
E.R. Squibb & Sons, L.L.C.	$9.93	11/18/2025	Food and Beverage	No dispute reported	06/30/2026	1184871222	CMS
Janssen Pharmaceuticals, Inc	$25.41	11/13/2025	Food and Beverage	No dispute reported	06/30/2026	1174901657	CMS
Alkermes, Inc.	$25.26	11/12/2025	Food and Beverage	No dispute reported	06/30/2026	1222585399	CMS
E.R. Squibb & Sons, L.L.C.	$43.95	11/06/2025	Food and Beverage	No dispute reported	06/30/2026	1184871210	CMS
E.R. Squibb & Sons, L.L.C.	$54.79	11/05/2025	Food and Beverage	No dispute reported	06/30/2026	1184871206	CMS
E.R. Squibb & Sons, L.L.C.	$144.04	11/05/2025	Travel and Lodging	No dispute reported	06/30/2026	1184871208	CMS
ABBVIE INC.	$21.93	11/04/2025	Food and Beverage	No dispute reported	06/30/2026	1203228142	CMS
Indivior Inc.	$23.82	11/01/2025	Food and Beverage	No dispute reported	06/30/2026	1240493713	CMS
Janssen Pharmaceuticals, Inc	$33.49	10/16/2025	Food and Beverage	No dispute reported	06/30/2026	1174903734	CMS
E.R. Squibb & Sons, L.L.C.	$326.09	10/09/2025	Travel and Lodging	No dispute reported	06/30/2026	1184871216	CMS
E.R. Squibb & Sons, L.L.C.	$49.99	10/09/2025	Food and Beverage	No dispute reported	06/30/2026	1184871218	CMS
E.R. Squibb & Sons, L.L.C.	$1,034.48	10/09/2025	Travel and Lodging	No dispute reported	06/30/2026	1184871220	CMS
E.R. Squibb & Sons, L.L.C.	$29.99	10/09/2025	Food and Beverage	No dispute reported	06/30/2026	1184871224	CMS
E.R. Squibb & Sons, L.L.C.	$64.99	10/09/2025	Food and Beverage	No dispute reported	06/30/2026	1184871226	CMS
E.R. Squibb & Sons, L.L.C.	$29.99	10/09/2025	Food and Beverage	No dispute reported	06/30/2026	1184871228	CMS
E.R. Squibb & Sons, L.L.C.	$134.99	10/09/2025	Food and Beverage	No dispute reported	06/30/2026	1184871230	CMS
E.R. Squibb & Sons, L.L.C.	$51.73	10/09/2025	Travel and Lodging	No dispute reported	06/30/2026	1184871234	CMS
Alkermes, Inc.	$1,910.00	09/16/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1222585395	CMS
Janssen Pharmaceuticals, Inc	$29.20	09/11/2025	Food and Beverage	No dispute reported	06/30/2026	1174902984	CMS
Alkermes, Inc.	$33.07	09/08/2025	Food and Beverage	No dispute reported	06/30/2026	1222585391	CMS
ABBVIE INC.	$16.62	08/14/2025	Food and Beverage	No dispute reported	06/30/2026	1203228137	CMS
Alkermes, Inc.	$800.00	08/13/2025	Consulting Fee	No dispute reported	06/30/2026	1222585387	CMS
Indivior Inc.	$20.10	08/06/2025	Food and Beverage	No dispute reported	06/30/2026	1240493707	CMS
Otsuka Pharmaceutical Development & Commercialization, Inc.	$7.35	07/07/2025	Travel and Lodging	No dispute reported	06/30/2026	1225324733	CMS
Otsuka Pharmaceutical Development & Commercialization, Inc.	$137.20	07/07/2025	Travel and Lodging	No dispute reported	06/30/2026	1225324735	CMS
E.R. Squibb & Sons, L.L.C.	$24.66	07/03/2025	Food and Beverage	No dispute reported	06/30/2026	1184871186	CMS
Otsuka Pharmaceutical Development & Commercialization, Inc.	$2,546.00	07/02/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1225324731	CMS
E.R. Squibb & Sons, L.L.C.	$2,300.00	06/20/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1184871176	CMS
Otsuka Pharmaceutical Development & Commercialization, Inc.	$103.40	06/17/2025	Food and Beverage	No dispute reported	06/30/2026	1225324729	CMS
E.R. Squibb & Sons, L.L.C.	$3,680.00	06/16/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1184871168	CMS
E.R. Squibb & Sons, L.L.C.	$80.47	05/29/2025	Food and Beverage	No dispute reported	06/30/2026	1184871174	CMS
E.R. Squibb & Sons, L.L.C.	$992.16	05/22/2025	Travel and Lodging	No dispute reported	06/30/2026	1184871184	CMS
Alkermes, Inc.	$84.25	05/08/2025	Food and Beverage	No dispute reported	06/30/2026	1222585384	CMS
Alkermes, Inc.	$22.40	05/02/2025	Travel and Lodging	No dispute reported	06/30/2026	1222585367	CMS
Alkermes, Inc.	$44.00	05/02/2025	Travel and Lodging	No dispute reported	06/30/2026	1222585371	CMS
Alkermes, Inc.	$5.48	05/02/2025	Food and Beverage	No dispute reported	06/30/2026	1223443898	CMS
Alkermes, Inc.	$4.64	05/02/2025	Food and Beverage	No dispute reported	06/30/2026	1223443900	CMS
Alkermes, Inc.	$5,430.00	04/24/2025	Consulting Fee	No dispute reported	06/30/2026	1222585363	CMS
Alkermes, Inc.	$9.64	04/17/2025	Food and Beverage	No dispute reported	06/30/2026	1222585359	CMS
Otsuka Pharmaceutical Development & Commercialization, Inc.	$351.00	04/16/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1225324727	CMS
Alkermes, Inc.	$457.97	04/05/2025	Travel and Lodging	No dispute reported	06/30/2026	1222585327	CMS
Alkermes, Inc.	$238.26	04/05/2025	Travel and Lodging	No dispute reported	06/30/2026	1222585332	CMS
Alkermes, Inc.	$2.88	04/05/2025	Food and Beverage	No dispute reported	06/30/2026	1222585335	CMS
Alkermes, Inc.	$23.27	04/05/2025	Food and Beverage	No dispute reported	06/30/2026	1222585339	CMS
Alkermes, Inc.	$60.00	04/05/2025	Food and Beverage	No dispute reported	06/30/2026	1222585344	CMS
Alkermes, Inc.	$48.66	04/05/2025	Food and Beverage	No dispute reported	06/30/2026	1222585348	CMS
Alkermes, Inc.	$75.00	04/05/2025	Food and Beverage	No dispute reported	06/30/2026	1222585351	CMS
Alkermes, Inc.	$23.00	04/05/2025	Travel and Lodging	No dispute reported	06/30/2026	1222585355	CMS
Alkermes, Inc.	$23.27	04/04/2025	Food and Beverage	No dispute reported	06/30/2026	1222585316	CMS
Alkermes, Inc.	$125.00	04/04/2025	Food and Beverage	No dispute reported	06/30/2026	1222585319	CMS
Alkermes, Inc.	$24.95	04/04/2025	Travel and Lodging	No dispute reported	06/30/2026	1222585323	CMS
E.R. Squibb & Sons, L.L.C.	$78.40	04/02/2025	Travel and Lodging	No dispute reported	06/30/2026	1184871140	CMS
E.R. Squibb & Sons, L.L.C.	$17.16	04/02/2025	Food and Beverage	No dispute reported	06/30/2026	1184871146	CMS
E.R. Squibb & Sons, L.L.C.	$2,760.00	03/28/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1184871144	CMS
E.R. Squibb & Sons, L.L.C.	$2,576.00	03/28/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1184871148	CMS
Alkermes, Inc.	$1,910.00	03/19/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1222585311	CMS
E.R. Squibb & Sons, L.L.C.	$1,610.00	03/18/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1184871128	CMS
E.R. Squibb & Sons, L.L.C.	$28.11	03/11/2025	Food and Beverage	No dispute reported	06/30/2026	1184871136	CMS
E.R. Squibb & Sons, L.L.C.	$9.47	03/11/2025	Travel and Lodging	No dispute reported	06/30/2026	1184871138	CMS
E.R. Squibb & Sons, L.L.C.	$389.75	03/11/2025	Travel and Lodging	No dispute reported	06/30/2026	1184871142	CMS
Alkermes, Inc.	$29.95	03/05/2025	Food and Beverage	No dispute reported	06/30/2026	1222585307	CMS
Alkermes, Inc.	$1,910.00	02/27/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1222585299	CMS
Alkermes, Inc.	$65.10	02/27/2025	Travel and Lodging	No dispute reported	06/30/2026	1222585303	CMS
Indivior Inc.	$36.19	02/06/2025	Food and Beverage	No dispute reported	06/30/2026	1240493701	CMS
E.R. Squibb & Sons, L.L.C.	$33.40	02/05/2025	Food and Beverage	No dispute reported	06/30/2026	1184871112	CMS
Alkermes, Inc.	$1,910.00	01/22/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1222585296	CMS
E.R. Squibb & Sons, L.L.C.	$160.80	01/21/2025	Travel and Lodging	No dispute reported	06/30/2026	1184871096	CMS
E.R. Squibb & Sons, L.L.C.	$2,760.00	01/09/2025	Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	No dispute reported	06/30/2026	1184871098	CMS

By program year

All program years on this page · sorted by year

Program year	Amount	Records
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
PY2025	$38,240.93	71

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 and profile matching

Source files: Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from: OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.

Cite this record.

Permalink https://industrypayments.org/provider/npi-1437145448

Plain: KARTHI NAMASIVAYAM, NPI 1437145448. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1437145448.
APA 7: IndustryPayments. (2026). KARTHI NAMASIVAYAM, NPI 1437145448 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1437145448
Bluebook: KARTHI NAMASIVAYAM, NPI 1437145448, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1437145448.

Source: Centers for Medicare & Medicaid Services, Open Payments.