IndustryPayments
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

LESTER S SIELSKI

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1669424081
CMS profile
257194
Location
AMHERST, NY

General Payments · PY2018–2020

$6,200.22

  • Reported across 286 records
  • CMS publication 2026-01-23

Latest program year · PY2020

$1,444.04

66 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.

Related groups: Internal Medicine NY All categories

By nature of payment

PY2020 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,444.04 66

By paying entity

PY2020 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $365.20 15
Amgen Inc. $136.24 3
SANOFI-AVENTIS U.S. LLC $124.99 1
Novo Nordisk AS $115.40 9
Lilly USA, LLC $114.34 8
E.R. Squibb & Sons, L.L.C. $110.80 2
Boehringer Ingelheim Pharmaceuticals, Inc. $105.47 4
Janssen Pharmaceuticals, Inc $99.01 7
Astellas Pharma US Inc $60.11 4
PFIZER INC. $56.48 3
Merck Sharp & Dohme Corporation $41.85 3
IRONWOOD PHARMACEUTICALS, INC $29.34 2
Kowa Pharmaceuticals America, Inc. $28.04 1
Esperion Therapeutics, Inc. $15.28 1
GlaxoSmithKline, LLC. $14.91 1
NOVARTIS PHARMACEUTICALS CORPORATION $14.28 1
Amarin Pharma Inc. $12.30 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,373.25 112
PY2019 $2,382.93 108
PY2020 $1,444.04 66

Payment records · PY2020 (66)

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

Program year 2020 20182019 Record-level detail is published for PY2020; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Amarin Pharma Inc. $12.30 01/27/2020 Food and Beverage Undisputed 01/23/2026 740074089 CMS
Amgen Inc. $6.83 07/29/2020 Food and Beverage Undisputed 01/23/2026 741197779 CMS
Amgen Inc. $5.92 08/26/2020 Food and Beverage Undisputed 01/23/2026 741197781 CMS
Amgen Inc. $123.49 10/27/2020 Food and Beverage Undisputed 01/23/2026 741197783 CMS
Astellas Pharma US Inc $16.00 01/09/2020 Food and Beverage Undisputed 01/23/2026 718383397 CMS
Astellas Pharma US Inc $15.45 08/20/2020 Food and Beverage Undisputed 01/23/2026 718383399 CMS
Astellas Pharma US Inc $13.81 09/15/2020 Food and Beverage Undisputed 01/23/2026 718383401 CMS
Astellas Pharma US Inc $14.85 10/22/2020 Food and Beverage Undisputed 01/23/2026 718383403 CMS
AstraZeneca Pharmaceuticals LP $14.33 01/13/2020 Food and Beverage Undisputed 01/23/2026 736335735 CMS
AstraZeneca Pharmaceuticals LP $42.27 01/22/2020 Food and Beverage Undisputed 01/23/2026 736250707 CMS
AstraZeneca Pharmaceuticals LP $123.76 02/26/2020 Food and Beverage Undisputed 01/23/2026 736442203 CMS
AstraZeneca Pharmaceuticals LP $14.03 03/05/2020 Food and Beverage Undisputed 01/23/2026 736045475 CMS
AstraZeneca Pharmaceuticals LP $12.31 04/20/2020 Food and Beverage Undisputed 01/23/2026 736173695 CMS
AstraZeneca Pharmaceuticals LP $16.12 05/18/2020 Food and Beverage Undisputed 01/23/2026 736090773 CMS
AstraZeneca Pharmaceuticals LP $12.07 05/28/2020 Food and Beverage Undisputed 01/23/2026 736363473 CMS
AstraZeneca Pharmaceuticals LP $17.34 06/16/2020 Food and Beverage Undisputed 01/23/2026 736426367 CMS
AstraZeneca Pharmaceuticals LP $21.39 06/18/2020 Food and Beverage Undisputed 01/23/2026 735827791 CMS
AstraZeneca Pharmaceuticals LP $15.16 07/31/2020 Food and Beverage Undisputed 01/23/2026 736188479 CMS
AstraZeneca Pharmaceuticals LP $17.74 08/03/2020 Food and Beverage Undisputed 01/23/2026 735921761 CMS
AstraZeneca Pharmaceuticals LP $11.55 08/10/2020 Food and Beverage Undisputed 01/23/2026 736428675 CMS
AstraZeneca Pharmaceuticals LP $13.15 08/21/2020 Food and Beverage Undisputed 01/23/2026 735832827 CMS
AstraZeneca Pharmaceuticals LP $20.50 10/15/2020 Food and Beverage Undisputed 01/23/2026 736190907 CMS
AstraZeneca Pharmaceuticals LP $13.48 10/27/2020 Food and Beverage Undisputed 01/23/2026 736305819 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $11.96 02/10/2020 Food and Beverage Undisputed 01/23/2026 720967217 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $31.44 05/18/2020 Food and Beverage Undisputed 01/23/2026 720967211 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $26.37 07/16/2020 Food and Beverage Undisputed 01/23/2026 720967207 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $35.70 09/10/2020 Food and Beverage Undisputed 01/23/2026 720967222 CMS
E.R. Squibb & Sons, L.L.C. $98.00 01/28/2020 Food and Beverage Undisputed 01/23/2026 727865349 CMS
E.R. Squibb & Sons, L.L.C. $12.80 02/03/2020 Food and Beverage Undisputed 01/23/2026 727865355 CMS
Esperion Therapeutics, Inc. $15.28 09/17/2020 Food and Beverage Undisputed 01/23/2026 737241189 CMS
GlaxoSmithKline, LLC. $14.91 03/09/2020 Food and Beverage Undisputed 01/23/2026 738623907 CMS
IRONWOOD PHARMACEUTICALS, INC $16.05 01/02/2020 Food and Beverage Undisputed 01/23/2026 749805257 CMS
IRONWOOD PHARMACEUTICALS, INC $13.29 11/17/2020 Food and Beverage Undisputed 01/23/2026 749787763 CMS
Janssen Pharmaceuticals, Inc $11.14 02/05/2020 Food and Beverage Undisputed 01/23/2026 719265747 CMS
Janssen Pharmaceuticals, Inc $13.41 02/24/2020 Food and Beverage Undisputed 01/23/2026 719265749 CMS
Janssen Pharmaceuticals, Inc $12.20 04/16/2020 Food and Beverage Undisputed 01/23/2026 719265753 CMS
Janssen Pharmaceuticals, Inc $15.41 06/01/2020 Food and Beverage Undisputed 01/23/2026 719265751 CMS
Janssen Pharmaceuticals, Inc $11.40 08/13/2020 Food and Beverage Undisputed 01/23/2026 719265757 CMS
Janssen Pharmaceuticals, Inc $13.95 09/22/2020 Food and Beverage Undisputed 01/23/2026 719265755 CMS
Janssen Pharmaceuticals, Inc $21.50 10/08/2020 Food and Beverage Undisputed 01/23/2026 719265759 CMS
Kowa Pharmaceuticals America, Inc. $28.04 03/26/2020 Food and Beverage Undisputed 01/23/2026 716724037 CMS
Lilly USA, LLC $16.31 01/06/2020 Food and Beverage Undisputed 01/23/2026 728542243 CMS
Lilly USA, LLC $13.62 02/17/2020 Food and Beverage Undisputed 01/23/2026 728545629 CMS
Lilly USA, LLC $19.48 06/15/2020 Food and Beverage Undisputed 01/23/2026 728532061 CMS
Lilly USA, LLC $19.21 06/23/2020 Food and Beverage Undisputed 01/23/2026 728545631 CMS
Lilly USA, LLC $19.84 07/27/2020 Food and Beverage Undisputed 01/23/2026 728521771 CMS
Lilly USA, LLC $11.80 09/14/2020 Food and Beverage Undisputed 01/23/2026 728528677 CMS
Lilly USA, LLC $10.53 11/03/2020 Food and Beverage Undisputed 01/23/2026 728521773 CMS
Lilly USA, LLC $3.55 11/03/2020 Food and Beverage Undisputed 01/23/2026 728542245 CMS
Merck Sharp & Dohme Corporation $13.33 01/16/2020 Food and Beverage Undisputed 01/23/2026 747710835 CMS
Merck Sharp & Dohme Corporation $12.61 03/02/2020 Food and Beverage Undisputed 01/23/2026 747668835 CMS
Merck Sharp & Dohme Corporation $15.91 09/24/2020 Food and Beverage Undisputed 01/23/2026 747766845 CMS
Novartis Pharmaceuticals Corporation $14.28 02/06/2020 Food and Beverage Undisputed 01/23/2026 726130669 CMS
Novo Nordisk Inc $3.58 01/08/2020 Food and Beverage Undisputed 01/23/2026 744559293 CMS
Novo Nordisk Inc $3.78 01/08/2020 Food and Beverage Undisputed 01/23/2026 744559295 CMS
Novo Nordisk Inc $20.43 01/23/2020 Food and Beverage Undisputed 01/23/2026 744576099 CMS
Novo Nordisk Inc $23.29 02/20/2020 Food and Beverage Undisputed 01/23/2026 744736321 CMS
Novo Nordisk Inc $13.67 06/29/2020 Food and Beverage Undisputed 01/23/2026 744767681 CMS
Novo Nordisk Inc $13.21 09/03/2020 Food and Beverage Undisputed 01/23/2026 744857865 CMS
Novo Nordisk Inc $14.90 09/28/2020 Food and Beverage Undisputed 01/23/2026 744888179 CMS
Novo Nordisk Inc $4.49 09/28/2020 Food and Beverage Undisputed 01/23/2026 744888181 CMS
Novo Nordisk Inc $18.05 10/29/2020 Food and Beverage Undisputed 01/23/2026 744992277 CMS
PFIZER INC. $17.05 01/30/2020 Food and Beverage Undisputed 01/23/2026 743642007 CMS
PFIZER INC. $23.13 08/17/2020 Food and Beverage Undisputed 01/23/2026 743759631 CMS
PFIZER INC. $16.30 10/12/2020 Food and Beverage Undisputed 01/23/2026 743782527 CMS
SANOFI-AVENTIS U.S. LLC $124.99 03/10/2020 Food and Beverage Undisputed 01/23/2026 744018207 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
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020
Generated from
OP_DTL_GNRL_PGYR2020_P01232026_01102026.csv

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