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

ADAM M SUN

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1497712715
CMS profile
112684
Location
MONTEREY PARK, CA

General Payments · PY2018–2024

$4,361.21

  • Reported across 176 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$772.37

23 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 $768.22 22
Education $4.15 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $880.05 41
PY2019 $967.53 39
PY2020 $248.41 15
PY2021 $355.88 13
PY2022 $437.39 21
PY2023 $699.58 24
PY2024 $772.37 23

Payment records · PY2024 (23)

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
AKEBIA THERAPEUTICS INC $27.67 03/14/2024 Food and Beverage Undisputed 01/23/2026 1145824522 CMS
AKEBIA THERAPEUTICS INC $16.78 04/10/2024 Food and Beverage Undisputed 01/23/2026 1145824524 CMS
AKEBIA THERAPEUTICS INC $18.30 04/23/2024 Food and Beverage Undisputed 01/23/2026 1145826613 CMS
AKEBIA THERAPEUTICS INC $21.88 08/30/2024 Food and Beverage Undisputed 01/23/2026 1145830177 CMS
AKEBIA THERAPEUTICS INC $125.00 10/23/2024 Food and Beverage Undisputed 01/23/2026 1145832125 CMS
Ardelyx, Inc. $25.12 03/14/2024 Food and Beverage Undisputed 01/23/2026 1146709973 CMS
AstraZeneca Pharmaceuticals LP $16.62 01/12/2024 Food and Beverage Undisputed 01/23/2026 1104392325 CMS
AstraZeneca Pharmaceuticals LP $141.74 01/20/2024 Food and Beverage Undisputed 01/23/2026 1105883181 CMS
AstraZeneca Pharmaceuticals LP $13.29 02/16/2024 Food and Beverage Undisputed 01/23/2026 1104454974 CMS
AstraZeneca Pharmaceuticals LP $14.16 06/07/2024 Food and Beverage Undisputed 01/23/2026 1105765848 CMS
AstraZeneca Pharmaceuticals LP $125.00 09/05/2024 Food and Beverage Undisputed 01/23/2026 1105656926 CMS
AstraZeneca Pharmaceuticals LP $16.28 11/02/2024 Food and Beverage Undisputed 01/23/2026 1105716116 CMS
Bayer Healthcare Pharmaceuticals Inc. $23.34 02/01/2024 Food and Beverage Undisputed 01/23/2026 1086110598 CMS
Bayer Healthcare Pharmaceuticals Inc. $23.89 04/15/2024 Food and Beverage Undisputed 01/23/2026 1086242686 CMS
Bayer Healthcare Pharmaceuticals Inc. $21.29 06/16/2024 Food and Beverage Undisputed 01/23/2026 1086109242 CMS
Bayer Healthcare Pharmaceuticals Inc. $16.26 12/07/2024 Food and Beverage Undisputed 01/23/2026 1086243890 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $16.27 08/06/2024 Food and Beverage Undisputed 01/23/2026 1118033302 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $19.62 10/11/2024 Food and Beverage Undisputed 01/23/2026 1118033304 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $19.70 12/20/2024 Food and Beverage Undisputed 01/23/2026 1118033306 CMS
CALLIDITAS THERAPEUTICS US INC. $25.56 03/29/2024 Food and Beverage Undisputed 01/23/2026 1141512611 CMS
OPKO Pharmaceuticals, LLC $19.46 01/27/2024 Food and Beverage Undisputed 01/23/2026 1112850132 CMS
OPKO Pharmaceuticals, LLC $20.99 03/21/2024 Food and Beverage Undisputed 01/23/2026 1112850134 CMS
Travere Therapeutics, Inc. $4.15 08/20/2024 Education Undisputed 01/23/2026 1149926110 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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