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

WEI-CHUNG CHEN

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1699066381
CMS profile
1297293
Location
LOS ANGELES, CA

General Payments · PY2018–2024

$3,726.40

  • Reported across 214 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$801.73

39 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 $801.73 39

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $154.00 10
PY2019 $287.61 26
PY2020 $315.46 18
PY2021 $582.85 31
PY2022 $862.67 48
PY2023 $722.08 42
PY2024 $801.73 39

Payment records · PY2024 (39)

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. $24.20 01/16/2024 Food and Beverage Undisputed 01/23/2026 1103453966 CMS
ABBVIE INC. $28.08 02/01/2024 Food and Beverage Undisputed 01/23/2026 1103453968 CMS
ABBVIE INC. $28.27 02/06/2024 Food and Beverage Undisputed 01/23/2026 1103453970 CMS
ABBVIE INC. $8.74 03/06/2024 Food and Beverage Undisputed 01/23/2026 1103453972 CMS
ABBVIE INC. $18.68 03/28/2024 Food and Beverage Undisputed 01/23/2026 1103453974 CMS
ABBVIE INC. $14.09 07/16/2024 Food and Beverage Undisputed 01/23/2026 1103453976 CMS
ABBVIE INC. $20.87 07/16/2024 Food and Beverage Undisputed 01/23/2026 1103453978 CMS
ABBVIE INC. $23.61 07/31/2024 Food and Beverage Undisputed 01/23/2026 1103453980 CMS
ABBVIE INC. $10.21 08/14/2024 Food and Beverage Undisputed 01/23/2026 1103453982 CMS
ABBVIE INC. $18.37 08/22/2024 Food and Beverage Undisputed 01/23/2026 1103453984 CMS
ABBVIE INC. $9.04 08/27/2024 Food and Beverage Undisputed 01/23/2026 1103453986 CMS
ABBVIE INC. $4.16 09/09/2024 Food and Beverage Undisputed 01/23/2026 1103453988 CMS
ABBVIE INC. $3.70 09/10/2024 Food and Beverage Undisputed 01/23/2026 1103453990 CMS
ABBVIE INC. $3.45 09/10/2024 Food and Beverage Undisputed 01/23/2026 1103453992 CMS
ABBVIE INC. $13.46 09/12/2024 Food and Beverage Undisputed 01/23/2026 1103453994 CMS
ABBVIE INC. $29.06 09/17/2024 Food and Beverage Undisputed 01/23/2026 1103453996 CMS
ABBVIE INC. $1.61 09/23/2024 Food and Beverage Undisputed 01/23/2026 1103453998 CMS
ABBVIE INC. $14.16 09/23/2024 Food and Beverage Undisputed 01/23/2026 1103454000 CMS
ABBVIE INC. $34.06 10/09/2024 Food and Beverage Undisputed 01/23/2026 1103454002 CMS
ABBVIE INC. $16.29 10/14/2024 Food and Beverage Undisputed 01/23/2026 1103454004 CMS
ABBVIE INC. $15.42 11/01/2024 Food and Beverage Undisputed 01/23/2026 1103454006 CMS
ABBVIE INC. $20.94 11/05/2024 Food and Beverage Undisputed 01/23/2026 1103454008 CMS
ABBVIE INC. $15.62 12/10/2024 Food and Beverage Undisputed 01/23/2026 1103454010 CMS
ABBVIE INC. $18.36 12/19/2024 Food and Beverage Undisputed 01/23/2026 1103454012 CMS
ABBVIE INC. $15.36 12/26/2024 Food and Beverage Undisputed 01/23/2026 1103454014 CMS
Ardelyx, Inc. $28.03 04/19/2024 Food and Beverage Undisputed 01/23/2026 1146675080 CMS
Celgene Corporation $20.44 07/23/2024 Food and Beverage Undisputed 01/23/2026 1101094496 CMS
GENZYME CORPORATION $30.36 10/30/2024 Food and Beverage Undisputed 01/23/2026 1139669600 CMS
IRONWOOD PHARMACEUTICALS, INC $20.43 08/28/2024 Food and Beverage Undisputed 01/23/2026 1153711726 CMS
Janssen Biotech, Inc. $15.07 02/27/2024 Food and Beverage Undisputed 01/23/2026 1078308580 CMS
Janssen Biotech, Inc. $19.93 05/14/2024 Food and Beverage Undisputed 01/23/2026 1078307730 CMS
Janssen Biotech, Inc. $17.15 06/20/2024 Food and Beverage Undisputed 01/23/2026 1078306052 CMS
Janssen Biotech, Inc. $19.64 10/02/2024 Food and Beverage Undisputed 01/23/2026 1078308608 CMS
Janssen Biotech, Inc. $112.45 10/17/2024 Food and Beverage Undisputed 01/23/2026 1078308514 CMS
Janssen Biotech, Inc. $17.29 12/10/2024 Food and Beverage Undisputed 01/23/2026 1078306652 CMS
Lilly USA, LLC $27.56 01/08/2024 Food and Beverage Undisputed 01/23/2026 1135512157 CMS
Merck Sharp & Dohme LLC $21.51 05/15/2024 Food and Beverage Undisputed 01/23/2026 1141637986 CMS
Merck Sharp & Dohme LLC $24.74 09/11/2024 Food and Beverage Undisputed 01/23/2026 1141637988 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17.32 12/12/2024 Food and Beverage Undisputed 01/23/2026 1137509451 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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