Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record

Covered recipient · General Payments record

LEONID KLEYNBERG

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1891750212
CMS profile
40494
Location
LOS ANGELES, CA

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.

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General Payments · PY2019 · Entire year

$1,683.39

100 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.

Provider summaries generated . 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

PY2019 · entire year · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,683.39 100

By paying entity

PY2019 · entire year · sorted by reported total

Page 2 of 2; records 51–100 of 100 matching records. This page contains 50 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

LEONID KLEYNBERG

NPI 1891750212 · CMS profile ID 40494

Allopathic & Osteopathic Physicians / Internal Medicine / Hematology & Oncology

LOS ANGELES, CA

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.

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.

General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types

Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00

Page 2 of 2; records 51–100 of 100 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/provider/npi-1891750212?year=2019&recipient=provider&page=2#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e

Cite these filtered records

The citation includes this program year, filters, data edition, and page of results.

Plain
LEONID KLEYNBERG, NPI 1891750212, CMS profile ID 40494. General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 2 of 2; records 51–100 of 100 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/provider/npi-1891750212?year=2019&recipient=provider&page=2#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
APA 7
IndustryPayments. (2026). LEONID KLEYNBERG, NPI 1891750212, CMS profile ID 40494. General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 2 of 2; records 51–100 of 100 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/provider/npi-1891750212?year=2019&recipient=provider&page=2#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
Bluebook
LEONID KLEYNBERG, NPI 1891750212, CMS profile ID 40494, IndustryPayments, General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types (Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00). Page 2 of 2; records 51–100 of 100 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e. https://industrypayments.org/provider/npi-1891750212?year=2019&recipient=provider&page=2#records-h.

Centers for Medicare & Medicaid Services, Open Payments

Citation formats are provided for reference; check the requirements of your publication.

Payment records · PY2019

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

General Payments · PY2019 · Physicians and non-physician practitioners · CMS publication 2026-06-30

100 matching records · $1,683.39 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 100 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 51–100 of 100.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Amgen Inc. $30.2608/06/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 662636527 CMS
E.R. Squibb & Sons, L.L.C. $16.5208/02/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651428955 CMS
Amgen Inc. $18.6708/01/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 662636519 CMS
Merck Sharp & Dohme Corporation $19.9407/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 695684095 CMS
E.R. Squibb & Sons, L.L.C. $13.5407/29/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651428947 CMS
E.R. Squibb & Sons, L.L.C. $19.0207/24/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651428945 CMS
AstraZeneca Pharmaceuticals LP $14.6107/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685711629 CMS
Merck Sharp & Dohme Corporation $17.6807/17/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 695688473 CMS
Genentech USA, Inc. $24.0307/16/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 681375263 CMS
E.R. Squibb & Sons, L.L.C. $19.9707/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651428943 CMS
Incyte Corporation $15.1007/11/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 666254371 CMS
Incyte Corporation $3.0407/11/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 666254375 CMS
Alexion Pharmaceuticals, Inc. $20.0107/09/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 695613177 CMS
Exelixis Inc. $24.5307/02/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 686553847 CMS
Janssen Biotech, Inc. $2.0507/01/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658530703 CMS
Merck Sharp & Dohme Corporation $19.2206/27/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 695650873 CMS
AstraZeneca Pharmaceuticals LP $25.9806/26/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685038321 CMS
AstraZeneca Pharmaceuticals LP $12.5806/26/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685981275 CMS
EMD Serono, Inc. $25.0006/21/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 702966499 CMS
Pharmacyclics LLC, An AbbVie Company $14.7906/20/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 665707053 CMS
E.R. Squibb & Sons, L.L.C. $19.0206/19/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651428931 CMS
Novartis Pharmaceuticals Corporation $14.9006/14/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 659646187 CMS
Merck Sharp & Dohme Corporation $17.6906/05/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 695645063 CMS
JAZZ PHARMACEUTICALS INC. $14.1406/04/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 684178353 CMS
Teva Pharmaceuticals USA, Inc. $17.2406/03/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697720415 CMS
Bayer HealthCare Pharmaceuticals Inc. $16.3005/24/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 628421249 CMS
Puma Biotechnology, Inc. $20.5905/21/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 706021467 CMS
E.R. Squibb & Sons, L.L.C. $0.8705/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651428903 CMS
E.R. Squibb & Sons, L.L.C. $16.5105/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651428905 CMS
Janssen Biotech, Inc. $20.9005/14/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658530699 CMS
Amgen Inc. $22.0305/10/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 662636511 CMS
Merck Sharp & Dohme Corporation $18.9205/02/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 695635357 CMS
JAZZ PHARMACEUTICALS INC. $17.7003/26/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 684178351 CMS
Teva Pharmaceuticals USA, Inc. $16.0203/21/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697696049 CMS
Janssen Biotech, Inc. $4.0903/12/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658530691 CMS
Janssen Biotech, Inc. $3.3702/28/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658530687 CMS
Clovis Oncology, Inc. $18.1102/05/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 688685623 CMS
Amgen Inc. $28.6601/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 662636531 CMS
Merck Sharp & Dohme Corporation $18.9701/25/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 695254559 CMS
E.R. Squibb & Sons, L.L.C. $1.7201/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651428881 CMS
E.R. Squibb & Sons, L.L.C. $13.7301/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651428883 CMS
Teva Pharmaceuticals USA, Inc. $17.8301/22/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697775217 CMS
AstraZeneca Pharmaceuticals LP $19.6801/18/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685220389 CMS
Amgen Inc. $28.7101/17/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 662636515 CMS
JAZZ PHARMACEUTICALS INC. $22.1701/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 684179221 CMS
Incyte Corporation $19.2301/14/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 666254333 CMS
Puma Biotechnology, Inc. $13.0601/11/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 706021465 CMS
Partner Therapeutics, Inc. $19.7501/10/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 706330813 CMS
Janssen Biotech, Inc. $21.1101/07/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658530683 CMS
Lilly USA, LLC $21.9401/04/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 657968725 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
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
PY2025 $1,554.16 62

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
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.