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

WEIYAN TAN

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1174511000
CMS profile
189562
Location
BROOKLYN, NY

General Payments · PY2018–2024

$25,317.03

  • Reported across 617 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,792.44

78 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 $2,792.44 78

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $7,581.90 112
PY2019 $6,136.31 110
PY2020 $1,448.63 74
PY2021 $2,525.41 95
PY2022 $2,673.17 80
PY2023 $2,159.17 68
PY2024 $2,792.44 78

Payment records · PY2024 (78)

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
ABBVIE INC. $24.38 03/07/2024 Food and Beverage Undisputed 01/23/2026 1106198900 CMS
ABBVIE INC. $22.50 04/09/2024 Food and Beverage Undisputed 01/23/2026 1106198902 CMS
ABBVIE INC. $25.00 05/14/2024 Food and Beverage Undisputed 01/23/2026 1106198904 CMS
ABBVIE INC. $18.18 09/05/2024 Food and Beverage Undisputed 01/23/2026 1106198906 CMS
ABBVIE INC. $27.78 11/05/2024 Food and Beverage Undisputed 01/23/2026 1106198908 CMS
Amgen Inc. $22.73 07/08/2024 Food and Beverage Undisputed 01/23/2026 1116169168 CMS
Amgen Inc. $19.31 08/14/2024 Food and Beverage Undisputed 01/23/2026 1117697496 CMS
Amgen Inc. $15.10 09/12/2024 Food and Beverage Undisputed 01/23/2026 1117697498 CMS
Amgen Inc. $139.19 10/16/2024 Food and Beverage Undisputed 01/23/2026 1116169161 CMS
Amgen Inc. $19.09 11/18/2024 Food and Beverage Undisputed 01/23/2026 1117697500 CMS
Amgen Inc. $125.00 11/19/2024 Food and Beverage Undisputed 01/23/2026 1116169175 CMS
Ardelyx, Inc. $25.00 05/13/2024 Food and Beverage Undisputed 01/23/2026 1146710653 CMS
Ardelyx, Inc. $17.27 06/04/2024 Food and Beverage Undisputed 01/23/2026 1146710655 CMS
AstraZeneca Pharmaceuticals LP $20.56 01/03/2024 Food and Beverage Undisputed 01/23/2026 1104350910 CMS
AstraZeneca Pharmaceuticals LP $18.33 01/23/2024 Food and Beverage Undisputed 01/23/2026 1105711660 CMS
AstraZeneca Pharmaceuticals LP $19.17 02/28/2024 Food and Beverage Undisputed 01/23/2026 1105650386 CMS
AstraZeneca Pharmaceuticals LP $3.24 03/19/2024 Food and Beverage Undisputed 01/23/2026 1104341062 CMS
AstraZeneca Pharmaceuticals LP $20.83 03/26/2024 Food and Beverage Undisputed 01/23/2026 1104633731 CMS
AstraZeneca Pharmaceuticals LP $17.86 04/08/2024 Food and Beverage Undisputed 01/23/2026 1105751381 CMS
AstraZeneca Pharmaceuticals LP $19.28 05/06/2024 Food and Beverage Undisputed 01/23/2026 1105401743 CMS
AstraZeneca Pharmaceuticals LP $119.85 05/07/2024 Food and Beverage Undisputed 01/23/2026 1105861576 CMS
AstraZeneca Pharmaceuticals LP $18.18 06/26/2024 Food and Beverage Undisputed 01/23/2026 1105254757 CMS
AstraZeneca Pharmaceuticals LP $21.46 07/01/2024 Food and Beverage Undisputed 01/23/2026 1105637504 CMS
AstraZeneca Pharmaceuticals LP $22.92 07/17/2024 Food and Beverage Undisputed 01/23/2026 1104703397 CMS
AstraZeneca Pharmaceuticals LP $20.54 08/22/2024 Food and Beverage Undisputed 01/23/2026 1105886735 CMS
AstraZeneca Pharmaceuticals LP $15.40 08/28/2024 Food and Beverage Undisputed 01/23/2026 1104484468 CMS
AstraZeneca Pharmaceuticals LP $22.73 10/23/2024 Food and Beverage Undisputed 01/23/2026 1104606760 CMS
Bayer Healthcare Pharmaceuticals Inc. $124.99 06/27/2024 Food and Beverage Undisputed 01/23/2026 1086262692 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $21.79 01/10/2024 Food and Beverage Undisputed 01/23/2026 1117901824 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $30.56 02/07/2024 Food and Beverage Undisputed 01/23/2026 1117901828 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $123.24 03/07/2024 Food and Beverage Undisputed 01/23/2026 1117901830 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $125.00 04/18/2024 Food and Beverage Undisputed 01/23/2026 1117901832 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $27.78 05/08/2024 Food and Beverage Undisputed 01/23/2026 1117901826 CMS
Exact Sciences Corporation $27.50 08/21/2024 Food and Beverage Undisputed 01/23/2026 1114927757 CMS
Exact Sciences Corporation $21.56 09/24/2024 Food and Beverage Undisputed 01/23/2026 1114927761 CMS
Gilead Sciences, Inc. $7.65 01/03/2024 Food and Beverage Undisputed 01/23/2026 1133754156 CMS
Gilead Sciences, Inc. $14.29 02/15/2024 Food and Beverage Undisputed 01/23/2026 1133754158 CMS
Gilead Sciences, Inc. $13.32 02/27/2024 Food and Beverage Undisputed 01/23/2026 1133754160 CMS
Gilead Sciences, Inc. $23.00 03/14/2024 Food and Beverage Undisputed 01/23/2026 1133754162 CMS
Gilead Sciences, Inc. $18.31 03/21/2024 Food and Beverage Undisputed 01/23/2026 1133754164 CMS
Gilead Sciences, Inc. $13.31 04/05/2024 Food and Beverage Undisputed 01/23/2026 1133754166 CMS
Gilead Sciences, Inc. $25.00 06/04/2024 Food and Beverage Undisputed 01/23/2026 1133754168 CMS
Gilead Sciences, Inc. $25.00 06/19/2024 Food and Beverage Undisputed 01/23/2026 1133754170 CMS
Gilead Sciences, Inc. $27.52 06/28/2024 Food and Beverage Undisputed 01/23/2026 1133754172 CMS
Gilead Sciences, Inc. $135.00 07/23/2024 Food and Beverage Undisputed 01/23/2026 1133754174 CMS
Gilead Sciences, Inc. $13.05 12/03/2024 Food and Beverage Undisputed 01/23/2026 1133754176 CMS
Gilead Sciences, Inc. $23.22 12/17/2024 Food and Beverage Undisputed 01/23/2026 1133754178 CMS
GlaxoSmithKline, LLC. $30.00 01/22/2024 Food and Beverage Undisputed 01/23/2026 1116703214 CMS
GlaxoSmithKline, LLC. $125.00 04/16/2024 Food and Beverage Undisputed 01/23/2026 1116230843 CMS
GlaxoSmithKline, LLC. $24.55 05/28/2024 Food and Beverage Undisputed 01/23/2026 1116336763 CMS
GlaxoSmithKline, LLC. $20.83 07/15/2024 Food and Beverage Undisputed 01/23/2026 1116698519 CMS
GlaxoSmithKline, LLC. $17.76 08/16/2024 Food and Beverage Undisputed 01/23/2026 1116170959 CMS
GlaxoSmithKline, LLC. $125.00 08/26/2024 Food and Beverage Undisputed 01/23/2026 1116658630 CMS
GlaxoSmithKline, LLC. $16.67 09/17/2024 Food and Beverage Undisputed 01/23/2026 1116432969 CMS
GlaxoSmithKline, LLC. $20.83 09/23/2024 Food and Beverage Undisputed 01/23/2026 1116155771 CMS
GlaxoSmithKline, LLC. $16.67 11/14/2024 Food and Beverage Undisputed 01/23/2026 1116365937 CMS
GlaxoSmithKline, LLC. $26.66 11/19/2024 Food and Beverage Undisputed 01/23/2026 1116728518 CMS
Insmed, Inc. $21.29 10/17/2024 Food and Beverage Undisputed 01/23/2026 1089561520 CMS
Merck Sharp & Dohme LLC $22.39 01/24/2024 Food and Beverage Undisputed 01/23/2026 1141658994 CMS
Merck Sharp & Dohme LLC $25.03 01/31/2024 Food and Beverage Undisputed 01/23/2026 1141857806 CMS
Merck Sharp & Dohme LLC $24.00 03/19/2024 Food and Beverage Undisputed 01/23/2026 1141658992 CMS
Merck Sharp & Dohme LLC $20.83 07/10/2024 Food and Beverage Undisputed 01/23/2026 1141924804 CMS
Merck Sharp & Dohme LLC $27.00 09/04/2024 Food and Beverage Undisputed 01/23/2026 1141857808 CMS
Novo Nordisk Inc $17.22 02/22/2024 Food and Beverage Undisputed 01/23/2026 1097639845 CMS
Novo Nordisk Inc $3.11 03/27/2024 Food and Beverage Undisputed 01/23/2026 1096664982 CMS
Novo Nordisk Inc $15.78 03/27/2024 Food and Beverage Undisputed 01/23/2026 1097826450 CMS
Novo Nordisk Inc $15.00 07/18/2024 Food and Beverage Undisputed 01/23/2026 1096862133 CMS
Novo Nordisk Inc $13.33 08/12/2024 Food and Beverage Undisputed 01/23/2026 1096681188 CMS
Novo Nordisk Inc $124.39 09/18/2024 Food and Beverage Undisputed 01/23/2026 1096613500 CMS
PFIZER INC. $18.75 03/20/2024 Food and Beverage Undisputed 01/23/2026 1131232058 CMS
PFIZER INC. $18.46 11/04/2024 Food and Beverage Undisputed 01/23/2026 1131006397 CMS
Phathom Pharmaceuticals, Inc. $150.00 11/12/2024 Food and Beverage Undisputed 01/23/2026 1151131893 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.00 11/25/2024 Food and Beverage Undisputed 01/23/2026 1153636894 CMS
UROGEN PHARMA, INC. $25.16 02/14/2024 Food and Beverage Undisputed 01/23/2026 1137919839 CMS
UROGEN PHARMA, INC. $24.96 05/22/2024 Food and Beverage Undisputed 01/23/2026 1137920919 CMS
UROGEN PHARMA, INC. $26.60 07/23/2024 Food and Beverage Undisputed 01/23/2026 1137933360 CMS
UROGEN PHARMA, INC. $26.60 09/05/2024 Food and Beverage Undisputed 01/23/2026 1137923955 CMS
UROGEN PHARMA, INC. $26.60 10/15/2024 Food and Beverage Undisputed 01/23/2026 1137929499 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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