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

LEON I KUPFERWASSER

Allopathic & Osteopathic Physicians Internal Medicine Cardiovascular Disease

NPI
1316067457
CMS profile
14584
Location
VAN NUYS, CA

General Payments · PY2018–2024

$6,812.87

  • Reported across 361 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,007.64

44 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
Food and Beverage $975.37 43
Education $32.27 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,163.56 67
PY2019 $978.47 60
PY2020 $373.87 14
PY2021 $895.42 47
PY2022 $1,174.32 64
PY2023 $1,219.59 65
PY2024 $1,007.64 44

Payment records · PY2024 (44)

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
Amgen Inc. $13.70 02/12/2024 Food and Beverage Undisputed 01/23/2026 1111625827 CMS
Amgen Inc. $24.31 06/05/2024 Food and Beverage Undisputed 01/23/2026 1111625829 CMS
Amgen Inc. $19.07 08/08/2024 Food and Beverage Undisputed 01/23/2026 1111625831 CMS
AstraZeneca Pharmaceuticals LP $22.63 04/13/2024 Food and Beverage Undisputed 01/23/2026 1104694010 CMS
AstraZeneca Pharmaceuticals LP $13.86 04/18/2024 Food and Beverage Undisputed 01/23/2026 1105845925 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $23.79 03/18/2024 Food and Beverage Undisputed 01/23/2026 1117958880 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $27.21 05/14/2024 Food and Beverage Undisputed 01/23/2026 1117958884 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $24.47 05/29/2024 Food and Beverage Undisputed 01/23/2026 1117958882 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.09 09/05/2024 Food and Beverage Undisputed 01/23/2026 1117958878 CMS
Boston Scientific Corporation $17.41 07/22/2024 Food and Beverage Undisputed 01/23/2026 1092705970 CMS
CVRx, Inc. $23.23 07/11/2024 Food and Beverage Undisputed 01/23/2026 1132816460 CMS
E.R. Squibb & Sons, L.L.C. $30.47 02/28/2024 Food and Beverage Undisputed 01/23/2026 1101790484 CMS
E.R. Squibb & Sons, L.L.C. $19.45 06/06/2024 Food and Beverage Undisputed 01/23/2026 1101790532 CMS
HEARTFLOW, INC. $13.71 11/18/2024 Food and Beverage Undisputed 01/23/2026 1154169146 CMS
Kiniksa Pharmaceuticals International, plc $36.50 02/14/2024 Food and Beverage Undisputed 01/23/2026 1154882115 CMS
Kiniksa Pharmaceuticals International, plc $23.34 05/07/2024 Food and Beverage Undisputed 01/23/2026 1154882121 CMS
Kiniksa Pharmaceuticals International, plc $35.40 06/24/2024 Food and Beverage Undisputed 01/23/2026 1154882129 CMS
Lexicon Pharmaceuticals, Inc. $19.59 04/17/2024 Food and Beverage Undisputed 01/23/2026 1081696339 CMS
Lexicon Pharmaceuticals, Inc. $17.19 05/30/2024 Food and Beverage Undisputed 01/23/2026 1081696337 CMS
Medtronic, Inc. $23.38 03/13/2024 Food and Beverage Undisputed 01/23/2026 1117155393 CMS
Medtronic, Inc. $25.51 07/22/2024 Food and Beverage Undisputed 01/23/2026 1117155395 CMS
Merck Sharp & Dohme LLC $28.67 04/01/2024 Food and Beverage Undisputed 01/23/2026 1141870959 CMS
Merck Sharp & Dohme LLC $20.83 05/31/2024 Food and Beverage Undisputed 01/23/2026 1141697856 CMS
Merck Sharp & Dohme LLC $15.53 08/14/2024 Food and Beverage Undisputed 01/23/2026 1141697848 CMS
Merck Sharp & Dohme LLC $30.72 09/19/2024 Food and Beverage Undisputed 01/23/2026 1141697846 CMS
Merck Sharp & Dohme LLC $24.90 11/06/2024 Food and Beverage Undisputed 01/23/2026 1141931573 CMS
Novartis Pharmaceuticals Corporation $24.82 01/11/2024 Food and Beverage Undisputed 01/23/2026 1087096190 CMS
Novartis Pharmaceuticals Corporation $20.32 05/16/2024 Food and Beverage Undisputed 01/23/2026 1087096216 CMS
Novartis Pharmaceuticals Corporation $16.97 10/16/2024 Food and Beverage Undisputed 01/23/2026 1087096242 CMS
Novartis Pharmaceuticals Corporation $19.42 12/09/2024 Food and Beverage Undisputed 01/23/2026 1087096248 CMS
Novo Nordisk Inc $32.27 02/14/2024 Education Undisputed 01/23/2026 1096884836 CMS
PFIZER INC. $19.75 01/22/2024 Food and Beverage Undisputed 01/23/2026 1130978325 CMS
PFIZER INC. $17.87 02/01/2024 Food and Beverage Undisputed 01/23/2026 1131070177 CMS
PFIZER INC. $2.81 02/02/2024 Food and Beverage Undisputed 01/23/2026 1131800081 CMS
PFIZER INC. $19.77 03/05/2024 Food and Beverage Undisputed 01/23/2026 1131270738 CMS
PFIZER INC. $24.48 04/16/2024 Food and Beverage Undisputed 01/23/2026 1131324700 CMS
PFIZER INC. $7.44 05/31/2024 Food and Beverage Undisputed 01/23/2026 1131795872 CMS
PFIZER INC. $24.15 07/29/2024 Food and Beverage Undisputed 01/23/2026 1131888039 CMS
PFIZER INC. $24.66 08/13/2024 Food and Beverage Undisputed 01/23/2026 1131839096 CMS
SCPHARMACEUTICALS INC. $33.31 02/08/2024 Food and Beverage Undisputed 01/23/2026 1132248611 CMS
SCPHARMACEUTICALS INC. $22.44 11/25/2024 Food and Beverage Undisputed 01/23/2026 1132315095 CMS
VivaQuant Inc, dba Rhythm Express $32.30 06/25/2024 Food and Beverage Undisputed 01/23/2026 1154304079 CMS
VivaQuant Inc, dba Rhythm Express $32.30 06/25/2024 Food and Beverage Undisputed 01/23/2026 1154304081 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $39.60 10/14/2024 Food and Beverage Undisputed 01/23/2026 1080649601 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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