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

CHING FEI CHANG

Allopathic & Osteopathic Physicians Internal Medicine Pulmonary Disease

NPI
1740408665
CMS profile
352355
Location
LOS ANGELES, CA

General Payments · PY2018–2024

$18,437.56

  • Reported across 29 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$7,350.58

9 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
Consulting Fee $6,712.50 2
Travel and Lodging $368.40 1
Food and Beverage $269.68 6

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $7,330.15 8
Olympus America Inc. $20.43 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $7,110.77 8
PY2019 $163.05 3
PY2022 $18.81 1
PY2023 $3,794.35 8
PY2024 $7,350.58 9

Payment records · PY2024 (9)

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

Program year 2024 2018201920222023 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
AstraZeneca Pharmaceuticals LP $49.25 02/21/2024 Food and Beverage Undisputed 01/23/2026 1104230821 CMS
AstraZeneca Pharmaceuticals LP $368.40 02/21/2024 Travel and Lodging Undisputed 01/23/2026 1104667621 CMS
AstraZeneca Pharmaceuticals LP $45.26 02/21/2024 Food and Beverage Undisputed 01/23/2026 1105208021 CMS
AstraZeneca Pharmaceuticals LP $52.39 02/21/2024 Food and Beverage Undisputed 01/23/2026 1105555520 CMS
AstraZeneca Pharmaceuticals LP $80.18 02/21/2024 Food and Beverage Undisputed 01/23/2026 1105712220 CMS
AstraZeneca Pharmaceuticals LP $22.17 02/21/2024 Food and Beverage Undisputed 01/23/2026 1105808374 CMS
AstraZeneca Pharmaceuticals LP $2,685.00 03/12/2024 Consulting Fee Undisputed 01/23/2026 1105859182 CMS
AstraZeneca Pharmaceuticals LP $4,027.50 12/19/2024 Consulting Fee Undisputed 01/23/2026 1105657600 CMS
Olympus America Inc. $20.43 06/26/2024 Food and Beverage Undisputed 01/23/2026 1108486647 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, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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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.