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

CHERNG CHAO

Allopathic & Osteopathic Physicians Radiology Vascular & Interventional Radiology

NPI
1992960520
CMS profile
1312630
Location
DUARTE, CA

General Payments · PY2018–2024

$8,349.20

  • Reported across 58 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,827.61

21 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
Travel and Lodging $2,059.62 9
Food and Beverage $1,767.99 12

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
BOSTON SCIENTIFIC CORPORATION $3,189.83 12
Stryker Corporation $478.31 3
Cook Medical LLC $87.35 3
Abbott Laboratories $24.66 1
INSTYLLA INC. $23.84 1
CARDIVA MEDICAL, INC. $23.62 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $3,096.79 14
PY2019 $113.78 1
PY2020 $246.19 5
PY2021 $508.14 7
PY2022 $61.84 2
PY2023 $494.85 8
PY2024 $3,827.61 21

Payment records · PY2024 (21)

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
Abbott Laboratories $24.66 05/10/2024 Food and Beverage Undisputed 01/23/2026 1125381280 CMS
Boston Scientific Corporation $171.03 02/22/2024 Food and Beverage Undisputed 01/23/2026 1092703512 CMS
Boston Scientific Corporation $442.91 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1092703524 CMS
Boston Scientific Corporation $126.75 02/23/2024 Food and Beverage Undisputed 01/23/2026 1092703510 CMS
Boston Scientific Corporation $120.13 10/25/2024 Food and Beverage Undisputed 01/23/2026 1092703508 CMS
Boston Scientific Corporation $191.95 11/07/2024 Food and Beverage Undisputed 01/23/2026 1092703514 CMS
Boston Scientific Corporation $300.55 11/07/2024 Travel and Lodging Undisputed 01/23/2026 1092703516 CMS
Boston Scientific Corporation $427.07 11/07/2024 Travel and Lodging Undisputed 01/23/2026 1092703522 CMS
Boston Scientific Corporation $300.55 11/08/2024 Travel and Lodging Undisputed 01/23/2026 1092703518 CMS
Boston Scientific Corporation $601.80 11/08/2024 Food and Beverage Undisputed 01/23/2026 1092703526 CMS
Boston Scientific Corporation $32.48 11/09/2024 Travel and Lodging Undisputed 01/23/2026 1092703504 CMS
Boston Scientific Corporation $77.75 11/09/2024 Travel and Lodging Undisputed 01/23/2026 1092703506 CMS
Boston Scientific Corporation $396.86 11/09/2024 Food and Beverage Undisputed 01/23/2026 1092703520 CMS
CARDIVA MEDICAL, INC. $23.62 07/03/2024 Food and Beverage Undisputed 01/23/2026 1143853506 CMS
Cook Medical LLC $23.53 01/18/2024 Food and Beverage Undisputed 01/23/2026 1118336843 CMS
Cook Medical LLC $44.53 03/08/2024 Food and Beverage Undisputed 01/23/2026 1118326598 CMS
Cook Medical LLC $19.29 05/09/2024 Food and Beverage Undisputed 01/23/2026 1118337205 CMS
Instylla, Inc. $23.84 02/09/2024 Food and Beverage Undisputed 01/23/2026 1152399883 CMS
Stryker Corporation $208.50 04/09/2024 Travel and Lodging Undisputed 01/23/2026 1119795568 CMS
Stryker Corporation $203.89 04/20/2024 Travel and Lodging Undisputed 01/23/2026 1119795570 CMS
Stryker Corporation $65.92 04/21/2024 Travel and Lodging Undisputed 01/23/2026 1119795572 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.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.