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

ANGELA S CHAN

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1649441338
CMS profile
255869
Location
BELL GARDENS, CA

General Payments · PY2018–2024

$16,579.16

  • Reported across 887 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,355.97

52 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 CA All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,355.97 52

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
GlaxoSmithKline, LLC. $225.56 10
Salix Pharmaceuticals, a division of Bausch Health US, LLC $156.65 8
Bayer HealthCare Pharmaceuticals Inc. $133.79 5
Phathom Pharmaceuticals, Inc. $125.83 1
OptiNose US, Inc. $100.14 4
Lilly USA, LLC $99.92 4
IRONWOOD PHARMACEUTICALS, INC $94.16 4
Boehringer Ingelheim Pharmaceuticals, Inc. $84.51 3
Novo Nordisk AS $71.12 3
Radius Health, Inc. $62.68 2
DEXCOM, INC. $55.54 2
Acerta Pharma LLC $42.18 2
Sumitomo Pharma America, Inc. $36.74 1
Ardelyx, Inc. $27.61 1
Janssen Pharmaceuticals, Inc $22.91 1
Kowa Pharmaceuticals America, Inc. $16.63 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,308.53 157
PY2019 $2,390.59 143
PY2020 $2,809.30 171
PY2021 $3,278.24 158
PY2022 $2,648.15 125
PY2023 $1,788.38 81
PY2024 $1,355.97 52

Payment records · PY2024 (52)

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
Ardelyx, Inc. $27.61 07/20/2024 Food and Beverage Undisputed 01/23/2026 1146674416 CMS
AstraZeneca Pharmaceuticals LP $18.17 02/20/2024 Food and Beverage Undisputed 01/23/2026 1105828797 CMS
AstraZeneca Pharmaceuticals LP $24.01 03/26/2024 Food and Beverage Undisputed 01/23/2026 1104737685 CMS
Bayer Healthcare Pharmaceuticals Inc. $23.78 04/12/2024 Food and Beverage Undisputed 01/23/2026 1086112792 CMS
Bayer Healthcare Pharmaceuticals Inc. $26.36 04/26/2024 Food and Beverage Undisputed 01/23/2026 1086179498 CMS
Bayer Healthcare Pharmaceuticals Inc. $28.78 06/27/2024 Food and Beverage Undisputed 01/23/2026 1086254810 CMS
Bayer Healthcare Pharmaceuticals Inc. $28.83 09/04/2024 Food and Beverage Undisputed 01/23/2026 1086129264 CMS
Bayer Healthcare Pharmaceuticals Inc. $26.04 10/07/2024 Food and Beverage Undisputed 01/23/2026 1086191654 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $26.15 02/22/2024 Food and Beverage Undisputed 01/23/2026 1118094740 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $23.93 05/20/2024 Food and Beverage Undisputed 01/23/2026 1118094738 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $34.43 09/05/2024 Food and Beverage Undisputed 01/23/2026 1118094742 CMS
Dexcom, Inc. $22.47 01/11/2024 Food and Beverage Undisputed 01/23/2026 1153279785 CMS
Dexcom, Inc. $33.07 10/18/2024 Food and Beverage Undisputed 01/23/2026 1153279787 CMS
GlaxoSmithKline, LLC. $22.44 02/05/2024 Food and Beverage Undisputed 01/23/2026 1116508115 CMS
GlaxoSmithKline, LLC. $18.98 03/19/2024 Food and Beverage Undisputed 01/23/2026 1116684085 CMS
GlaxoSmithKline, LLC. $22.65 04/23/2024 Food and Beverage Undisputed 01/23/2026 1116590367 CMS
GlaxoSmithKline, LLC. $25.73 05/21/2024 Food and Beverage Undisputed 01/23/2026 1116665251 CMS
GlaxoSmithKline, LLC. $24.94 06/22/2024 Food and Beverage Undisputed 01/23/2026 1116454999 CMS
GlaxoSmithKline, LLC. $20.91 07/15/2024 Food and Beverage Undisputed 01/23/2026 1116699019 CMS
GlaxoSmithKline, LLC. $23.89 08/20/2024 Food and Beverage Undisputed 01/23/2026 1116428824 CMS
GlaxoSmithKline, LLC. $23.89 09/20/2024 Food and Beverage Undisputed 01/23/2026 1116624751 CMS
GlaxoSmithKline, LLC. $24.76 10/14/2024 Food and Beverage Undisputed 01/23/2026 1116368141 CMS
GlaxoSmithKline, LLC. $17.37 12/10/2024 Food and Beverage Undisputed 01/23/2026 1116735618 CMS
IRONWOOD PHARMACEUTICALS, INC $26.31 04/09/2024 Food and Beverage Undisputed 01/23/2026 1153759322 CMS
IRONWOOD PHARMACEUTICALS, INC $22.34 05/16/2024 Food and Beverage Undisputed 01/23/2026 1153732628 CMS
IRONWOOD PHARMACEUTICALS, INC $23.08 08/12/2024 Food and Beverage Undisputed 01/23/2026 1153759326 CMS
IRONWOOD PHARMACEUTICALS, INC $22.43 10/03/2024 Food and Beverage Undisputed 01/23/2026 1153723872 CMS
Janssen Pharmaceuticals, Inc $22.91 02/06/2024 Food and Beverage Undisputed 01/23/2026 1077919541 CMS
Kowa Pharmaceuticals America, Inc. $16.63 01/19/2024 Food and Beverage Undisputed 01/23/2026 1113464863 CMS
Lilly USA, LLC $22.22 03/25/2024 Food and Beverage Undisputed 01/23/2026 1136042458 CMS
Lilly USA, LLC $27.19 04/19/2024 Food and Beverage Undisputed 01/23/2026 1136038085 CMS
Lilly USA, LLC $32.01 07/18/2024 Food and Beverage Undisputed 01/23/2026 1136038087 CMS
Lilly USA, LLC $18.50 12/23/2024 Food and Beverage Undisputed 01/23/2026 1136041926 CMS
Novo Nordisk Inc $22.91 02/15/2024 Food and Beverage Undisputed 01/23/2026 1097680327 CMS
Novo Nordisk Inc $25.00 07/23/2024 Food and Beverage Undisputed 01/23/2026 1097054357 CMS
Novo Nordisk Inc $23.21 08/27/2024 Food and Beverage Undisputed 01/23/2026 1096978513 CMS
Optinose US, Inc. $27.86 03/15/2024 Food and Beverage Undisputed 01/23/2026 1142168770 CMS
Optinose US, Inc. $27.86 05/07/2024 Food and Beverage Undisputed 01/23/2026 1142168804 CMS
Optinose US, Inc. $28.39 08/04/2024 Food and Beverage Undisputed 01/23/2026 1142168808 CMS
Optinose US, Inc. $16.03 12/09/2024 Food and Beverage Undisputed 01/23/2026 1142168844 CMS
Phathom Pharmaceuticals, Inc. $125.83 09/10/2024 Food and Beverage Undisputed 01/23/2026 1151047494 CMS
Radius Health, Inc. $31.71 02/13/2024 Food and Beverage Undisputed 01/23/2026 1089934728 CMS
Radius Health, Inc. $30.97 07/16/2024 Food and Beverage Undisputed 01/23/2026 1089934733 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $19.41 01/03/2024 Food and Beverage Undisputed 01/23/2026 1153589026 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $22.04 01/31/2024 Food and Beverage Undisputed 01/23/2026 1153639214 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $22.63 02/05/2024 Food and Beverage Undisputed 01/23/2026 1153723387 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.41 04/17/2024 Food and Beverage Undisputed 01/23/2026 1153710964 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $24.08 08/13/2024 Food and Beverage Undisputed 01/23/2026 1153685547 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.90 10/25/2024 Food and Beverage Undisputed 01/23/2026 1153434069 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.09 10/25/2024 Food and Beverage Undisputed 01/23/2026 1153504309 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $22.09 12/02/2024 Food and Beverage Undisputed 01/23/2026 1153441983 CMS
Sumitomo Pharma America, Inc. $36.74 09/24/2024 Food and Beverage Undisputed 01/23/2026 1148836501 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

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

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