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

STEFAN G KANTROWITZ

Allopathic & Osteopathic Physicians Internal Medicine Addiction Medicine

NPI
1518296078
CMS profile
68887
Location
NEW YORK, NY

General Payments · PY2019–2024

$22,592.54

  • Reported across 77 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$8,572.91

24 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
Alkermes, Inc. $8,417.72 18
Indivior Inc. $65.98 3
USWM, LLC $56.35 2
E.R. Squibb & Sons, L.L.C. $32.86 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $165.54 3
PY2020 $246.50 8
PY2021 $358.86 10
PY2022 $9,414.51 16
PY2023 $3,834.22 16
PY2024 $8,572.91 24

Payment records · PY2024 (24)

Sorted by paying entity, then date · as published by CMS

Program year 2024 20192020202120222023 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. $4.38 02/12/2024 Food and Beverage Undisputed 01/23/2026 1120527993 CMS
Alkermes, Inc. $28.05 02/22/2024 Food and Beverage Undisputed 01/23/2026 1120527995 CMS
Alkermes, Inc. $5.82 03/07/2024 Food and Beverage Undisputed 01/23/2026 1120527997 CMS
Alkermes, Inc. $29.99 03/11/2024 Food and Beverage Undisputed 01/23/2026 1120527999 CMS
Alkermes, Inc. $900.00 04/18/2024 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 1120528001 CMS
Alkermes, Inc. $5.39 05/03/2024 Food and Beverage Undisputed 01/23/2026 1120528003 CMS
Alkermes, Inc. $28.77 05/31/2024 Food and Beverage Undisputed 01/23/2026 1120528005 CMS
Alkermes, Inc. $114.19 06/27/2024 Food and Beverage Undisputed 01/23/2026 1120528007 CMS
Alkermes, Inc. $26.55 07/12/2024 Food and Beverage Undisputed 01/23/2026 1120528009 CMS
Alkermes, Inc. $2,880.00 07/17/2024 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 1120528011 CMS
Alkermes, Inc. $17.56 08/30/2024 Food and Beverage Undisputed 01/23/2026 1120528013 CMS
Alkermes, Inc. $1,260.00 09/13/2024 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 1120528015 CMS
Alkermes, Inc. $120.01 09/18/2024 Food and Beverage Undisputed 01/23/2026 1120528017 CMS
Alkermes, Inc. $24.75 09/26/2024 Travel and Lodging Undisputed 01/23/2026 1120528019 CMS
Alkermes, Inc. $2,880.00 10/04/2024 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 1120528021 CMS
Alkermes, Inc. $30.43 10/25/2024 Food and Beverage Undisputed 01/23/2026 1120528023 CMS
Alkermes, Inc. $34.48 11/07/2024 Food and Beverage Undisputed 01/23/2026 1120528025 CMS
Alkermes, Inc. $27.35 12/19/2024 Food and Beverage Undisputed 01/23/2026 1120528027 CMS
E.R. Squibb & Sons, L.L.C. $32.86 12/05/2024 Food and Beverage Undisputed 01/23/2026 1101380758 CMS
Indivior Inc. $19.11 09/05/2024 Food and Beverage Undisputed 01/23/2026 1144531054 CMS
Indivior Inc. $24.24 10/10/2024 Food and Beverage Undisputed 01/23/2026 1144531056 CMS
Indivior Inc. $22.63 12/12/2024 Food and Beverage Undisputed 01/23/2026 1144531058 CMS
USWM, LLC $25.29 07/24/2024 Food and Beverage Undisputed 01/23/2026 1152823221 CMS
USWM, LLC $31.06 09/18/2024 Food and Beverage Undisputed 01/23/2026 1152823231 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
2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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