Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

SAI HONG I OU

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1639259872
CMS profile
1263308
Location
ORANGE, CA

General Payments · PY2019–2025

$196,819.13

  • Reported across 183 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$1,169.67

8 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $700.00 1
Food and Beverage $469.67 7

By paying entity

PY2025 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $94,001.58 57
PY2020 $28,371.31 28
PY2021 $33,266.86 28
PY2022 $18,785.27 24
PY2023 $15,721.08 29
PY2024 $5,503.36 9
PY2025 $1,169.67 8

Payment records · PY2025 (8)

Sorted by paying entity, then date · as published by CMS

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $67.96 10/16/2025 Food and Beverage Undisputed 06/30/2026 1203412588 CMS
ABBVIE INC. $17.37 10/16/2025 Food and Beverage Undisputed 06/30/2026 1203412594 CMS
AstraZeneca Pharmaceuticals LP $91.67 01/21/2025 Food and Beverage Undisputed 06/30/2026 1206628667 CMS
Bayer Healthcare Pharmaceuticals Inc. $700.00 02/03/2025 Consulting Fee Undisputed 06/30/2026 1225680330 CMS
Daiichi Sankyo Inc. $149.86 09/23/2025 Food and Beverage Undisputed 06/30/2026 1197036215 CMS
Janssen Biotech, Inc. $42.43 03/29/2025 Food and Beverage Undisputed 06/30/2026 1174730031 CMS
Janssen Scientific Affairs, LLC $78.28 10/13/2025 Food and Beverage Undisputed 06/30/2026 1174152600 CMS
Regeneron Healthcare Solutions, Inc. $22.10 03/29/2025 Food and Beverage Undisputed 06/30/2026 1213004688 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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