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

TONG SUN

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1629161336
CMS profile
165012
Location
MODESTO, CA

General Payments · PY2018–2024

$3,870.71

  • Reported across 159 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$812.20

36 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 $779.93 35
Education $32.27 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $185.34 13
PY2019 $262.46 14
PY2020 $238.63 12
PY2021 $605.67 23
PY2022 $1,046.72 33
PY2023 $719.69 28
PY2024 $812.20 36

Payment records · PY2024 (36)

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
Amgen Inc. $19.21 01/03/2024 Food and Beverage Undisputed 01/23/2026 1117695511 CMS
Amgen Inc. $20.22 01/10/2024 Food and Beverage Undisputed 01/23/2026 1117695515 CMS
Amgen Inc. $15.55 03/06/2024 Food and Beverage Undisputed 01/23/2026 1116161297 CMS
Amgen Inc. $22.24 04/03/2024 Food and Beverage Undisputed 01/23/2026 1116161316 CMS
Amgen Inc. $10.53 06/28/2024 Food and Beverage Undisputed 01/23/2026 1116161304 CMS
Amgen Inc. $8.55 08/26/2024 Food and Beverage Undisputed 01/23/2026 1116161324 CMS
Amgen Inc. $27.49 11/20/2024 Food and Beverage Undisputed 01/23/2026 1117695513 CMS
Amgen Inc. $10.31 12/27/2024 Food and Beverage Undisputed 01/23/2026 1116161310 CMS
Ardelyx, Inc. $28.89 02/21/2024 Food and Beverage Undisputed 01/23/2026 1146709993 CMS
Ardelyx, Inc. $16.87 09/25/2024 Food and Beverage Undisputed 01/23/2026 1146709995 CMS
AstraZeneca Pharmaceuticals LP $116.37 01/09/2024 Food and Beverage Undisputed 01/23/2026 1104221807 CMS
AstraZeneca Pharmaceuticals LP $13.89 02/15/2024 Food and Beverage Undisputed 01/23/2026 1104315236 CMS
AstraZeneca Pharmaceuticals LP $20.46 06/13/2024 Food and Beverage Undisputed 01/23/2026 1105567446 CMS
AstraZeneca Pharmaceuticals LP $18.92 07/24/2024 Food and Beverage Undisputed 01/23/2026 1105868439 CMS
AstraZeneca Pharmaceuticals LP $14.25 10/02/2024 Food and Beverage Undisputed 01/23/2026 1104319474 CMS
AstraZeneca Pharmaceuticals LP $18.63 10/17/2024 Food and Beverage Undisputed 01/23/2026 1105586202 CMS
Aurinia Pharma U.S., Inc. $28.01 02/01/2024 Food and Beverage Undisputed 01/23/2026 1150692951 CMS
Aurinia Pharma U.S., Inc. $15.25 03/19/2024 Food and Beverage Undisputed 01/23/2026 1150692953 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.50 05/15/2024 Food and Beverage Undisputed 01/23/2026 1086242856 CMS
Bayer Healthcare Pharmaceuticals Inc. $24.56 12/11/2024 Food and Beverage Undisputed 01/23/2026 1086144089 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $22.90 07/31/2024 Food and Beverage Undisputed 01/23/2026 1118085524 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $28.23 08/28/2024 Food and Beverage Undisputed 01/23/2026 1118085528 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $26.94 11/13/2024 Food and Beverage Undisputed 01/23/2026 1118085526 CMS
CALLIDITAS THERAPEUTICS US INC. $13.54 04/10/2024 Food and Beverage Undisputed 01/23/2026 1141513111 CMS
CALLIDITAS THERAPEUTICS US INC. $22.90 09/19/2024 Food and Beverage Undisputed 01/23/2026 1141522611 CMS
Fresenius USA Marketing, Inc. $16.82 01/24/2024 Food and Beverage Undisputed 01/23/2026 1154192623 CMS
Fresenius USA Marketing, Inc. $14.00 05/01/2024 Food and Beverage Undisputed 01/23/2026 1154192617 CMS
Fresenius USA Marketing, Inc. $14.54 07/10/2024 Food and Beverage Undisputed 01/23/2026 1154192619 CMS
Fresenius USA Marketing, Inc. $16.64 10/23/2024 Food and Beverage Undisputed 01/23/2026 1154192621 CMS
GlaxoSmithKline, LLC. $24.53 03/13/2024 Food and Beverage Undisputed 01/23/2026 1116623633 CMS
Lilly USA, LLC $19.85 01/31/2024 Food and Beverage Undisputed 01/23/2026 1135469241 CMS
Novo Nordisk Inc $32.27 06/25/2024 Education Undisputed 01/23/2026 1097640294 CMS
Novo Nordisk Inc $16.78 08/23/2024 Food and Beverage Undisputed 01/23/2026 1096712928 CMS
Otsuka America Pharmaceutical, Inc. $29.47 02/29/2024 Food and Beverage Undisputed 01/23/2026 1118989870 CMS
Otsuka America Pharmaceutical, Inc. $25.10 08/21/2024 Food and Beverage Undisputed 01/23/2026 1118989872 CMS
Otsuka America Pharmaceutical, Inc. $16.99 10/30/2024 Food and Beverage Undisputed 01/23/2026 1118989874 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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