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

KLAUS DIETER K LESSNAU

Allopathic & Osteopathic Physicians Internal Medicine Sleep Medicine

NPI
1083684708
CMS profile
49198
Location
NEW YORK, NY

General Payments · PY2018–2024

$12,556.35

  • Reported across 459 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,227.97

119 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 $3,227.97 119

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,049.27 41
PY2019 $1,495.08 48
PY2020 $662.56 34
PY2021 $1,693.23 67
PY2022 $2,044.35 67
PY2023 $2,383.89 83
PY2024 $3,227.97 119

Payment records · PY2024 (119)

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. $16.85 02/23/2024 Food and Beverage Undisputed 01/23/2026 1111633242 CMS
AstraZeneca Pharmaceuticals LP $57.95 01/05/2024 Food and Beverage Undisputed 01/23/2026 1105539939 CMS
AstraZeneca Pharmaceuticals LP $16.18 01/06/2024 Food and Beverage Undisputed 01/23/2026 1104646443 CMS
AstraZeneca Pharmaceuticals LP $25.59 01/12/2024 Food and Beverage Undisputed 01/23/2026 1104780038 CMS
AstraZeneca Pharmaceuticals LP $27.47 01/26/2024 Food and Beverage Undisputed 01/23/2026 1104399305 CMS
AstraZeneca Pharmaceuticals LP $26.47 03/01/2024 Food and Beverage Undisputed 01/23/2026 1104578882 CMS
AstraZeneca Pharmaceuticals LP $23.64 03/01/2024 Food and Beverage Undisputed 01/23/2026 1105864858 CMS
AstraZeneca Pharmaceuticals LP $22.32 03/15/2024 Food and Beverage Undisputed 01/23/2026 1104375957 CMS
AstraZeneca Pharmaceuticals LP $122.31 03/21/2024 Food and Beverage Undisputed 01/23/2026 1105745736 CMS
AstraZeneca Pharmaceuticals LP $23.44 03/22/2024 Food and Beverage Undisputed 01/23/2026 1104452862 CMS
AstraZeneca Pharmaceuticals LP $17.58 03/29/2024 Food and Beverage Undisputed 01/23/2026 1104712669 CMS
AstraZeneca Pharmaceuticals LP $18.20 04/05/2024 Food and Beverage Undisputed 01/23/2026 1104561706 CMS
AstraZeneca Pharmaceuticals LP $16.56 04/11/2024 Food and Beverage Undisputed 01/23/2026 1104291032 CMS
AstraZeneca Pharmaceuticals LP $30.74 04/26/2024 Food and Beverage Undisputed 01/23/2026 1104235679 CMS
AstraZeneca Pharmaceuticals LP $26.22 05/03/2024 Food and Beverage Undisputed 01/23/2026 1104247015 CMS
AstraZeneca Pharmaceuticals LP $14.28 05/03/2024 Food and Beverage Undisputed 01/23/2026 1104356140 CMS
AstraZeneca Pharmaceuticals LP $24.91 05/22/2024 Food and Beverage Undisputed 01/23/2026 1104717439 CMS
AstraZeneca Pharmaceuticals LP $26.22 06/07/2024 Food and Beverage Undisputed 01/23/2026 1104445560 CMS
AstraZeneca Pharmaceuticals LP $16.13 06/08/2024 Food and Beverage Undisputed 01/23/2026 1105281678 CMS
AstraZeneca Pharmaceuticals LP $24.97 06/28/2024 Food and Beverage Undisputed 01/23/2026 1104744189 CMS
AstraZeneca Pharmaceuticals LP $24.60 07/12/2024 Food and Beverage Undisputed 01/23/2026 1105756395 CMS
AstraZeneca Pharmaceuticals LP $27.67 08/02/2024 Food and Beverage Undisputed 01/23/2026 1105799787 CMS
AstraZeneca Pharmaceuticals LP $20.62 08/09/2024 Food and Beverage Undisputed 01/23/2026 1104523458 CMS
AstraZeneca Pharmaceuticals LP $27.18 09/11/2024 Food and Beverage Undisputed 01/23/2026 1104581704 CMS
AstraZeneca Pharmaceuticals LP $24.72 09/14/2024 Food and Beverage Undisputed 01/23/2026 1104211717 CMS
AstraZeneca Pharmaceuticals LP $29.93 09/25/2024 Food and Beverage Undisputed 01/23/2026 1104558844 CMS
AstraZeneca Pharmaceuticals LP $18.61 09/26/2024 Food and Beverage Undisputed 01/23/2026 1105730411 CMS
AstraZeneca Pharmaceuticals LP $24.96 10/04/2024 Food and Beverage Undisputed 01/23/2026 1104622130 CMS
AstraZeneca Pharmaceuticals LP $20.99 10/11/2024 Food and Beverage Undisputed 01/23/2026 1105454809 CMS
AstraZeneca Pharmaceuticals LP $26.61 10/16/2024 Food and Beverage Undisputed 01/23/2026 1104684453 CMS
AstraZeneca Pharmaceuticals LP $18.85 10/19/2024 Food and Beverage Undisputed 01/23/2026 1104713897 CMS
AstraZeneca Pharmaceuticals LP $24.48 10/25/2024 Food and Beverage Undisputed 01/23/2026 1105773830 CMS
AstraZeneca Pharmaceuticals LP $22.34 11/02/2024 Food and Beverage Undisputed 01/23/2026 1105890083 CMS
AstraZeneca Pharmaceuticals LP $29.54 11/06/2024 Food and Beverage Undisputed 01/23/2026 1104277151 CMS
AstraZeneca Pharmaceuticals LP $21.75 11/15/2024 Food and Beverage Undisputed 01/23/2026 1105539209 CMS
AstraZeneca Pharmaceuticals LP $16.25 11/22/2024 Food and Beverage Undisputed 01/23/2026 1104763492 CMS
AstraZeneca Pharmaceuticals LP $24.72 12/06/2024 Food and Beverage Undisputed 01/23/2026 1104517052 CMS
AstraZeneca Pharmaceuticals LP $22.67 12/14/2024 Food and Beverage Undisputed 01/23/2026 1105577612 CMS
Avadel CNS Pharmaceuticals, LLC $118.77 07/02/2024 Food and Beverage Undisputed 01/23/2026 1123384058 CMS
Avadel CNS Pharmaceuticals, LLC $125.00 12/05/2024 Food and Beverage Undisputed 01/23/2026 1123384060 CMS
Axsome Therapeutics, Inc. $113.72 12/18/2024 Food and Beverage Undisputed 01/23/2026 1148296848 CMS
Baxter Healthcare $38.93 01/12/2024 Food and Beverage Undisputed 01/23/2026 1120650907 CMS
Baxter Healthcare $34.92 02/17/2024 Food and Beverage Undisputed 01/23/2026 1120650905 CMS
Baxter Healthcare $44.33 03/08/2024 Food and Beverage Undisputed 01/23/2026 1120650909 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $33.34 01/19/2024 Food and Beverage Undisputed 01/23/2026 1117866501 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $34.84 11/22/2024 Food and Beverage Undisputed 01/23/2026 1117866499 CMS
GlaxoSmithKline, LLC. $33.26 01/17/2024 Food and Beverage Undisputed 01/23/2026 1116592119 CMS
GlaxoSmithKline, LLC. $17.31 01/19/2024 Food and Beverage Undisputed 01/23/2026 1116350820 CMS
GlaxoSmithKline, LLC. $1.24 01/19/2024 Food and Beverage Undisputed 01/23/2026 1116637516 CMS
GlaxoSmithKline, LLC. $26.10 02/09/2024 Food and Beverage Undisputed 01/23/2026 1116640268 CMS
GlaxoSmithKline, LLC. $31.09 02/14/2024 Food and Beverage Undisputed 01/23/2026 1116481773 CMS
GlaxoSmithKline, LLC. $11.44 02/15/2024 Food and Beverage Undisputed 01/23/2026 1116375618 CMS
GlaxoSmithKline, LLC. $2.68 02/16/2024 Food and Beverage Undisputed 01/23/2026 1116405199 CMS
GlaxoSmithKline, LLC. $3.27 02/16/2024 Food and Beverage Undisputed 01/23/2026 1116448983 CMS
GlaxoSmithKline, LLC. $12.30 02/21/2024 Food and Beverage Undisputed 01/23/2026 1116303367 CMS
GlaxoSmithKline, LLC. $14.80 03/14/2024 Food and Beverage Undisputed 01/23/2026 1116325568 CMS
GlaxoSmithKline, LLC. $0.69 03/15/2024 Food and Beverage Undisputed 01/23/2026 1116718295 CMS
GlaxoSmithKline, LLC. $13.49 03/27/2024 Food and Beverage Undisputed 01/23/2026 1116627452 CMS
GlaxoSmithKline, LLC. $32.51 03/29/2024 Food and Beverage Undisputed 01/23/2026 1116709205 CMS
GlaxoSmithKline, LLC. $1.02 04/19/2024 Food and Beverage Undisputed 01/23/2026 1115982898 CMS
GlaxoSmithKline, LLC. $20.04 04/19/2024 Food and Beverage Undisputed 01/23/2026 1116671160 CMS
GlaxoSmithKline, LLC. $11.80 05/09/2024 Food and Beverage Undisputed 01/23/2026 1115883738 CMS
GlaxoSmithKline, LLC. $8.41 05/10/2024 Food and Beverage Undisputed 01/23/2026 1116391142 CMS
GlaxoSmithKline, LLC. $32.82 05/10/2024 Food and Beverage Undisputed 01/23/2026 1116408463 CMS
GlaxoSmithKline, LLC. $2.00 05/17/2024 Food and Beverage Undisputed 01/23/2026 1116098999 CMS
GlaxoSmithKline, LLC. $18.21 05/17/2024 Food and Beverage Undisputed 01/23/2026 1116226646 CMS
GlaxoSmithKline, LLC. $3.63 05/17/2024 Food and Beverage Undisputed 01/23/2026 1116317234 CMS
GlaxoSmithKline, LLC. $6.60 06/03/2024 Food and Beverage Undisputed 01/23/2026 1116334213 CMS
GlaxoSmithKline, LLC. $16.55 06/20/2024 Food and Beverage Undisputed 01/23/2026 1116548917 CMS
GlaxoSmithKline, LLC. $2.68 06/21/2024 Food and Beverage Undisputed 01/23/2026 1116250412 CMS
GlaxoSmithKline, LLC. $13.29 06/26/2024 Food and Beverage Undisputed 01/23/2026 1116613906 CMS
GlaxoSmithKline, LLC. $13.74 08/08/2024 Food and Beverage Undisputed 01/23/2026 1115797556 CMS
GlaxoSmithKline, LLC. $13.14 08/08/2024 Food and Beverage Undisputed 01/23/2026 1116590371 CMS
GlaxoSmithKline, LLC. $28.82 08/09/2024 Food and Beverage Undisputed 01/23/2026 1116389894 CMS
GlaxoSmithKline, LLC. $3.11 08/16/2024 Food and Beverage Undisputed 01/23/2026 1116244512 CMS
GlaxoSmithKline, LLC. $22.26 08/16/2024 Food and Beverage Undisputed 01/23/2026 1116468738 CMS
GlaxoSmithKline, LLC. $0.43 08/17/2024 Food and Beverage Undisputed 01/23/2026 1116595717 CMS
GlaxoSmithKline, LLC. $17.39 08/21/2024 Food and Beverage Undisputed 01/23/2026 1116233740 CMS
GlaxoSmithKline, LLC. $118.73 09/10/2024 Food and Beverage Undisputed 01/23/2026 1116240616 CMS
GlaxoSmithKline, LLC. $33.12 09/13/2024 Food and Beverage Undisputed 01/23/2026 1116142356 CMS
GlaxoSmithKline, LLC. $18.93 09/17/2024 Food and Beverage Undisputed 01/23/2026 1116449165 CMS
GlaxoSmithKline, LLC. $23.10 09/17/2024 Food and Beverage Undisputed 01/23/2026 1116536826 CMS
GlaxoSmithKline, LLC. $3.10 09/17/2024 Food and Beverage Undisputed 01/23/2026 1116598847 CMS
GlaxoSmithKline, LLC. $26.77 09/19/2024 Food and Beverage Undisputed 01/23/2026 1116019077 CMS
GlaxoSmithKline, LLC. $28.83 10/04/2024 Food and Beverage Undisputed 01/23/2026 1115922172 CMS
GlaxoSmithKline, LLC. $3.42 10/17/2024 Food and Beverage Undisputed 01/23/2026 1116310721 CMS
GlaxoSmithKline, LLC. $22.13 10/17/2024 Food and Beverage Undisputed 01/23/2026 1116575792 CMS
GlaxoSmithKline, LLC. $3.59 10/18/2024 Food and Beverage Undisputed 01/23/2026 1116157602 CMS
GlaxoSmithKline, LLC. $29.58 10/30/2024 Food and Beverage Undisputed 01/23/2026 1116706341 CMS
GlaxoSmithKline, LLC. $15.82 10/31/2024 Food and Beverage Undisputed 01/23/2026 1116429909 CMS
GlaxoSmithKline, LLC. $22.08 11/14/2024 Food and Beverage Undisputed 01/23/2026 1116408473 CMS
GlaxoSmithKline, LLC. $2.03 11/15/2024 Food and Beverage Undisputed 01/23/2026 1116162067 CMS
GlaxoSmithKline, LLC. $3.11 11/15/2024 Food and Beverage Undisputed 01/23/2026 1116725744 CMS
GlaxoSmithKline, LLC. $25.54 12/06/2024 Food and Beverage Undisputed 01/23/2026 1116641798 CMS
GlaxoSmithKline, LLC. $16.11 12/12/2024 Food and Beverage Undisputed 01/23/2026 1116078267 CMS
GlaxoSmithKline, LLC. $25.05 12/12/2024 Food and Beverage Undisputed 01/23/2026 1116501179 CMS
GlaxoSmithKline, LLC. $5.53 12/13/2024 Food and Beverage Undisputed 01/23/2026 1116288598 CMS
Harmony Biosciences Llc $5.80 10/23/2024 Food and Beverage Undisputed 01/23/2026 1141471404 CMS
Harmony Biosciences Llc $11.86 11/14/2024 Food and Beverage Undisputed 01/23/2026 1141473182 CMS
Harmony Biosciences Llc $3.09 12/04/2024 Food and Beverage Undisputed 01/23/2026 1141470270 CMS
Harmony Biosciences Llc $4.46 12/04/2024 Food and Beverage Undisputed 01/23/2026 1141470754 CMS
HARMONY BIOSCIENCES LLC $24.71 01/31/2024 Food and Beverage Undisputed 01/23/2026 1126082933 CMS
HARMONY BIOSCIENCES LLC $2.21 01/31/2024 Food and Beverage Undisputed 01/23/2026 1126082937 CMS
HARMONY BIOSCIENCES LLC $120.44 02/15/2024 Food and Beverage Undisputed 01/23/2026 1126082929 CMS
HARMONY BIOSCIENCES LLC $3.27 03/27/2024 Food and Beverage Undisputed 01/23/2026 1126082935 CMS
HARMONY BIOSCIENCES LLC $1.60 03/27/2024 Food and Beverage Undisputed 01/23/2026 1126082939 CMS
HARMONY BIOSCIENCES LLC $123.15 04/10/2024 Food and Beverage Undisputed 01/23/2026 1126082927 CMS
HARMONY BIOSCIENCES LLC $27.05 04/17/2024 Food and Beverage Undisputed 01/23/2026 1126082931 CMS
Insmed, Inc. $30.93 01/04/2024 Food and Beverage Undisputed 01/23/2026 1089575748 CMS
Insmed, Inc. $24.84 04/26/2024 Food and Beverage Undisputed 01/23/2026 1089580636 CMS
Insmed, Inc. $26.64 05/09/2024 Food and Beverage Undisputed 01/23/2026 1089572632 CMS
Insmed, Inc. $26.39 09/06/2024 Food and Beverage Undisputed 01/23/2026 1089566109 CMS
Insmed, Inc. $29.49 12/05/2024 Food and Beverage Undisputed 01/23/2026 1089568789 CMS
JAZZ PHARMACEUTICALS INC. $132.00 01/19/2024 Food and Beverage Undisputed 01/23/2026 1150198567 CMS
JAZZ PHARMACEUTICALS INC. $125.00 11/21/2024 Food and Beverage Undisputed 01/23/2026 1150198565 CMS
Novo Nordisk Inc $18.68 04/19/2024 Food and Beverage Undisputed 01/23/2026 1097174938 CMS
Paratek Pharmaceuticals, Inc. $20.11 02/24/2024 Food and Beverage Undisputed 01/23/2026 1113908076 CMS
Takeda Pharmaceuticals U.S.A., Inc. $32.85 02/02/2024 Food and Beverage Undisputed 01/23/2026 1137618319 CMS
United Therapeutics Corporation $22.34 09/27/2024 Food and Beverage Undisputed 01/23/2026 1149471218 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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