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

LEONID KLEYNBERG

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1891750212
CMS profile
40494
Location
LOS ANGELES, CA

General Payments · PY2018–2024

$13,681.20

  • Reported across 707 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,036.33

45 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 $1,010.61 44
Education $25.72 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,837.38 169
PY2019 $1,683.39 100
PY2020 $1,794.31 109
PY2021 $2,859.58 133
PY2022 $2,127.26 89
PY2023 $1,342.95 62
PY2024 $1,036.33 45

Payment records · PY2024 (45)

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
ADC Therapeutics America, Inc. $23.76 02/02/2024 Food and Beverage Undisputed 01/23/2026 1121185874 CMS
Amneal Pharmaceuticals LLC $24.98 06/24/2024 Food and Beverage Undisputed 01/23/2026 1139191682 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.12 10/18/2024 Food and Beverage Undisputed 01/23/2026 1086150997 CMS
Celgene Corporation $15.67 07/12/2024 Food and Beverage Undisputed 01/23/2026 1101191061 CMS
Celgene Corporation $23.16 09/27/2024 Food and Beverage Undisputed 01/23/2026 1101191067 CMS
Daiichi Sankyo Inc. $17.78 02/20/2024 Food and Beverage Undisputed 01/23/2026 1089443291 CMS
Daiichi Sankyo Inc. $24.76 05/10/2024 Food and Beverage Undisputed 01/23/2026 1089443297 CMS
E.R. Squibb & Sons, L.L.C. $25.98 08/30/2024 Food and Beverage Undisputed 01/23/2026 1101817969 CMS
Genmab U.S., Inc. $26.32 03/05/2024 Food and Beverage Undisputed 01/23/2026 1126828852 CMS
Incyte Corporation $23.98 01/25/2024 Food and Beverage Undisputed 01/23/2026 1141189291 CMS
Incyte Corporation $19.23 02/22/2024 Food and Beverage Undisputed 01/23/2026 1141189545 CMS
Incyte Corporation $22.91 03/20/2024 Food and Beverage Undisputed 01/23/2026 1141310403 CMS
Incyte Corporation $25.23 04/19/2024 Food and Beverage Undisputed 01/23/2026 1141265917 CMS
Ipsen Biopharmaceuticals, Inc $29.97 10/02/2024 Food and Beverage Undisputed 01/23/2026 1091956711 CMS
Janssen Biotech, Inc. $8.07 01/11/2024 Food and Beverage Undisputed 01/23/2026 1078307628 CMS
Janssen Biotech, Inc. $8.92 02/07/2024 Food and Beverage Undisputed 01/23/2026 1078307684 CMS
Janssen Biotech, Inc. $4.15 02/14/2024 Food and Beverage Undisputed 01/23/2026 1078308568 CMS
Janssen Biotech, Inc. $7.83 03/25/2024 Food and Beverage Undisputed 01/23/2026 1078309552 CMS
Janssen Biotech, Inc. $22.94 03/27/2024 Food and Beverage Undisputed 01/23/2026 1078307096 CMS
Janssen Biotech, Inc. $28.19 04/25/2024 Food and Beverage Undisputed 01/23/2026 1078305756 CMS
Janssen Biotech, Inc. $14.09 05/22/2024 Food and Beverage Undisputed 01/23/2026 1078306420 CMS
Janssen Biotech, Inc. $22.73 05/24/2024 Food and Beverage Undisputed 01/23/2026 1078308998 CMS
Janssen Biotech, Inc. $34.99 08/14/2024 Food and Beverage Undisputed 01/23/2026 1078308540 CMS
Janssen Biotech, Inc. $19.01 08/20/2024 Food and Beverage Undisputed 01/23/2026 1078307956 CMS
Janssen Biotech, Inc. $19.09 09/24/2024 Food and Beverage Undisputed 01/23/2026 1078309138 CMS
Janssen Biotech, Inc. $21.75 10/31/2024 Food and Beverage Undisputed 01/23/2026 1078308572 CMS
Janssen Biotech, Inc. $23.87 12/10/2024 Food and Beverage Undisputed 01/23/2026 1078309078 CMS
Janssen Pharmaceuticals, Inc $26.72 03/11/2024 Food and Beverage Undisputed 01/23/2026 1077929815 CMS
Janssen Pharmaceuticals, Inc $25.72 08/20/2024 Education Undisputed 01/23/2026 1077929423 CMS
JAZZ PHARMACEUTICALS INC. $33.10 05/14/2024 Food and Beverage Undisputed 01/23/2026 1150237048 CMS
Novartis Pharmaceuticals Corporation $21.62 04/03/2024 Food and Beverage Undisputed 01/23/2026 1087105172 CMS
Novartis Pharmaceuticals Corporation $23.84 05/21/2024 Food and Beverage Undisputed 01/23/2026 1087105180 CMS
PFIZER INC. $36.91 08/30/2024 Food and Beverage Undisputed 01/23/2026 1131863099 CMS
PharmaEssentia USA Corporation $23.22 01/30/2024 Food and Beverage Undisputed 01/23/2026 1137302474 CMS
PharmaEssentia USA Corporation $23.82 10/16/2024 Food and Beverage Undisputed 01/23/2026 1137302588 CMS
SOBI, INC $23.81 02/06/2024 Food and Beverage Undisputed 01/23/2026 1141417658 CMS
SOBI, INC $23.50 12/20/2024 Food and Beverage Undisputed 01/23/2026 1141411894 CMS
Spectrum Pharmaceuticals Inc. $21.33 06/05/2024 Food and Beverage Undisputed 01/23/2026 1150655863 CMS
Spectrum Pharmaceuticals Inc. $28.57 06/28/2024 Food and Beverage Undisputed 01/23/2026 1150655438 CMS
Spectrum Pharmaceuticals Inc. $28.61 07/30/2024 Food and Beverage Undisputed 01/23/2026 1150656626 CMS
Spectrum Pharmaceuticals Inc. $28.64 08/26/2024 Food and Beverage Undisputed 01/23/2026 1150655442 CMS
Spectrum Pharmaceuticals Inc. $28.57 09/26/2024 Food and Beverage Undisputed 01/23/2026 1150655434 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $23.71 04/05/2024 Food and Beverage Undisputed 01/23/2026 1152174158 CMS
Takeda Pharmaceuticals U.S.A., Inc. $30.11 03/26/2024 Food and Beverage Undisputed 01/23/2026 1137604294 CMS
TerSera Therapeutics LLC $25.05 10/02/2024 Food and Beverage Undisputed 01/23/2026 1144716517 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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