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

CHARLES NGUYEN

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1538400288
CMS profile
947971
Location
EASTVALE, CA

General Payments · PY2018–2024

$6,525.66

  • Reported across 235 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,106.51

56 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: Nephrology CA All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,106.51 56

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $202.48 10
Amgen Inc. $137.64 7
Ardelyx, Inc. $133.33 9
Bayer HealthCare Pharmaceuticals Inc. $102.22 5
Relypsa, Inc. $95.11 5
Retrophin, Inc. $79.38 3
Otsuka America Pharmaceutical, Inc. $67.66 3
Aurinia Pharma U.S., Inc. $65.87 3
Alkermes, Inc. $43.92 2
NOVARTIS PHARMACEUTICALS CORPORATION $42.28 2
ABBVIE INC. $30.39 1
Fresenius USA Marketing, Inc. $29.72 2
CALLIDITAS THERAPEUTICS US INC. $21.51 1
ANI Pharmaceuticals, Inc. $20.11 1
Boehringer Ingelheim Pharmaceuticals, Inc. $18.75 1
Lilly USA, LLC $16.14 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $561.59 21
PY2019 $582.23 25
PY2020 $161.17 9
PY2021 $795.79 28
PY2022 $974.94 42
PY2023 $2,343.43 54
PY2024 $1,106.51 56

Payment records · PY2024 (56)

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. $30.39 09/17/2024 Food and Beverage Undisputed 01/23/2026 1105117294 CMS
Alkermes, Inc. $20.97 05/24/2024 Food and Beverage Undisputed 01/23/2026 1120562706 CMS
Alkermes, Inc. $22.95 08/16/2024 Food and Beverage Undisputed 01/23/2026 1120562708 CMS
Amgen Inc. $10.53 01/24/2024 Food and Beverage Undisputed 01/23/2026 1117339339 CMS
Amgen Inc. $18.15 04/18/2024 Food and Beverage Undisputed 01/23/2026 1111661893 CMS
Amgen Inc. $30.02 04/24/2024 Food and Beverage Undisputed 01/23/2026 1111661895 CMS
Amgen Inc. $12.72 07/24/2024 Food and Beverage Undisputed 01/23/2026 1117339337 CMS
Amgen Inc. $30.34 08/06/2024 Food and Beverage Undisputed 01/23/2026 1111661899 CMS
Amgen Inc. $18.64 10/29/2024 Food and Beverage Undisputed 01/23/2026 1111661897 CMS
Amgen Inc. $17.24 11/26/2024 Food and Beverage Undisputed 01/23/2026 1117339341 CMS
ANI Pharmaceuticals, Inc. $20.11 09/18/2024 Food and Beverage Undisputed 01/23/2026 1091160804 CMS
Ardelyx, Inc. $9.44 01/30/2024 Food and Beverage Undisputed 01/23/2026 1146697810 CMS
Ardelyx, Inc. $14.64 03/08/2024 Food and Beverage Undisputed 01/23/2026 1146697812 CMS
Ardelyx, Inc. $16.89 04/18/2024 Food and Beverage Undisputed 01/23/2026 1146697814 CMS
Ardelyx, Inc. $22.01 05/22/2024 Food and Beverage Undisputed 01/23/2026 1146697816 CMS
Ardelyx, Inc. $11.89 06/18/2024 Food and Beverage Undisputed 01/23/2026 1146697818 CMS
Ardelyx, Inc. $16.16 07/31/2024 Food and Beverage Undisputed 01/23/2026 1146697820 CMS
Ardelyx, Inc. $16.58 09/27/2024 Food and Beverage Undisputed 01/23/2026 1146697822 CMS
Ardelyx, Inc. $12.36 10/15/2024 Food and Beverage Undisputed 01/23/2026 1146697824 CMS
Ardelyx, Inc. $13.36 11/20/2024 Food and Beverage Undisputed 01/23/2026 1146697826 CMS
AstraZeneca Pharmaceuticals LP $14.33 01/04/2024 Food and Beverage Undisputed 01/23/2026 1104356815 CMS
AstraZeneca Pharmaceuticals LP $59.30 02/01/2024 Food and Beverage Undisputed 01/23/2026 1105751867 CMS
AstraZeneca Pharmaceuticals LP $14.12 03/13/2024 Food and Beverage Undisputed 01/23/2026 1104710181 CMS
AstraZeneca Pharmaceuticals LP $19.60 03/27/2024 Food and Beverage Undisputed 01/23/2026 1104457500 CMS
AstraZeneca Pharmaceuticals LP $15.31 06/03/2024 Food and Beverage Undisputed 01/23/2026 1105496465 CMS
AstraZeneca Pharmaceuticals LP $22.54 06/26/2024 Food and Beverage Undisputed 01/23/2026 1104476664 CMS
AstraZeneca Pharmaceuticals LP $13.55 07/10/2024 Food and Beverage Undisputed 01/23/2026 1104390913 CMS
AstraZeneca Pharmaceuticals LP $15.81 09/25/2024 Food and Beverage Undisputed 01/23/2026 1105750431 CMS
AstraZeneca Pharmaceuticals LP $14.84 10/17/2024 Food and Beverage Undisputed 01/23/2026 1105753385 CMS
AstraZeneca Pharmaceuticals LP $13.08 10/31/2024 Food and Beverage Undisputed 01/23/2026 1104647073 CMS
Aurinia Pharma U.S., Inc. $23.34 03/06/2024 Food and Beverage Undisputed 01/23/2026 1150688495 CMS
Aurinia Pharma U.S., Inc. $16.78 04/08/2024 Food and Beverage Undisputed 01/23/2026 1150688497 CMS
Aurinia Pharma U.S., Inc. $25.75 09/04/2024 Food and Beverage Undisputed 01/23/2026 1150688499 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.34 02/28/2024 Food and Beverage Undisputed 01/23/2026 1086223450 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.67 05/29/2024 Food and Beverage Undisputed 01/23/2026 1086235270 CMS
Bayer Healthcare Pharmaceuticals Inc. $17.58 08/28/2024 Food and Beverage Undisputed 01/23/2026 1086143681 CMS
Bayer Healthcare Pharmaceuticals Inc. $21.58 10/17/2024 Food and Beverage Undisputed 01/23/2026 1086109464 CMS
Bayer Healthcare Pharmaceuticals Inc. $22.05 11/27/2024 Food and Beverage Undisputed 01/23/2026 1086135905 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.75 01/03/2024 Food and Beverage Undisputed 01/23/2026 1118050089 CMS
CALLIDITAS THERAPEUTICS US INC. $21.51 11/25/2024 Food and Beverage Undisputed 01/23/2026 1141528075 CMS
Fresenius USA Marketing, Inc. $14.74 07/03/2024 Food and Beverage Undisputed 01/23/2026 1154211290 CMS
Fresenius USA Marketing, Inc. $14.98 10/02/2024 Food and Beverage Undisputed 01/23/2026 1154211292 CMS
Lilly USA, LLC $16.14 07/22/2024 Food and Beverage Undisputed 01/23/2026 1136111854 CMS
Novartis Pharmaceuticals Corporation $18.81 07/09/2024 Food and Beverage Undisputed 01/23/2026 1087110794 CMS
Novartis Pharmaceuticals Corporation $23.47 11/12/2024 Food and Beverage Undisputed 01/23/2026 1087110806 CMS
Otsuka America Pharmaceutical, Inc. $21.09 01/10/2024 Food and Beverage Undisputed 01/23/2026 1118950286 CMS
Otsuka America Pharmaceutical, Inc. $23.24 08/14/2024 Food and Beverage Undisputed 01/23/2026 1118950288 CMS
Otsuka America Pharmaceutical, Inc. $23.33 12/04/2024 Food and Beverage Undisputed 01/23/2026 1118950290 CMS
Travere Therapeutics, Inc. $26.79 01/31/2024 Food and Beverage Undisputed 01/23/2026 1149926325 CMS
Travere Therapeutics, Inc. $23.40 07/31/2024 Food and Beverage Undisputed 01/23/2026 1149926321 CMS
Travere Therapeutics, Inc. $29.19 10/30/2024 Food and Beverage Undisputed 01/23/2026 1149926329 CMS
Vifor Pharma, Inc. $15.86 02/13/2024 Food and Beverage Undisputed 01/23/2026 1124042930 CMS
Vifor Pharma, Inc. $14.47 03/20/2024 Food and Beverage Undisputed 01/23/2026 1124033929 CMS
Vifor Pharma, Inc. $20.59 05/08/2024 Food and Beverage Undisputed 01/23/2026 1124038035 CMS
Vifor Pharma, Inc. $15.47 08/07/2024 Food and Beverage Undisputed 01/23/2026 1124049769 CMS
Vifor Pharma, Inc. $28.72 11/13/2024 Food and Beverage Undisputed 01/23/2026 1124059420 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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