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

THOMAS CHANG

Allopathic & Osteopathic Physicians Radiology Vascular & Interventional Radiology

NPI
1689672743
CMS profile
302874
Location
WASHINGTON, DC

General Payments · PY2018–2024

$1,416.57

  • Reported across 49 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$750.45

22 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 $750.45 22

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
AngioDynamics, Inc. $681.78 19
Abbott Laboratories $68.67 3

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $41.15 2
PY2019 $28.41 2
PY2021 $124.62 5
PY2022 $303.87 9
PY2023 $168.07 9
PY2024 $750.45 22

Payment records · PY2024 (22)

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

Program year 2024 20182019202120222023 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 $22.27 04/03/2024 Food and Beverage Undisputed 01/23/2026 1125197989 CMS
Abbott Laboratories $23.83 04/03/2024 Food and Beverage Undisputed 01/23/2026 1125197991 CMS
Abbott Laboratories $22.57 08/30/2024 Food and Beverage Undisputed 01/23/2026 1125197993 CMS
AngioDynamics, Inc. $20.55 03/13/2024 Food and Beverage Undisputed 01/23/2026 1095070337 CMS
AngioDynamics, Inc. $21.58 03/28/2024 Food and Beverage Undisputed 01/23/2026 1095070341 CMS
AngioDynamics, Inc. $21.26 04/09/2024 Food and Beverage Undisputed 01/23/2026 1095070344 CMS
AngioDynamics, Inc. $21.09 04/26/2024 Food and Beverage Undisputed 01/23/2026 1095070347 CMS
AngioDynamics, Inc. $21.53 05/08/2024 Food and Beverage Undisputed 01/23/2026 1095070351 CMS
AngioDynamics, Inc. $20.65 05/22/2024 Food and Beverage Undisputed 01/23/2026 1095070357 CMS
AngioDynamics, Inc. $23.49 06/12/2024 Food and Beverage Undisputed 01/23/2026 1095070362 CMS
AngioDynamics, Inc. $22.52 06/26/2024 Food and Beverage Undisputed 01/23/2026 1095070367 CMS
AngioDynamics, Inc. $23.92 07/17/2024 Food and Beverage Undisputed 01/23/2026 1095070370 CMS
AngioDynamics, Inc. $16.74 07/30/2024 Food and Beverage Undisputed 01/23/2026 1095070376 CMS
AngioDynamics, Inc. $118.31 08/15/2024 Food and Beverage Undisputed 01/23/2026 1095070380 CMS
AngioDynamics, Inc. $23.01 08/28/2024 Food and Beverage Undisputed 01/23/2026 1095070384 CMS
AngioDynamics, Inc. $21.12 09/11/2024 Food and Beverage Undisputed 01/23/2026 1095070387 CMS
AngioDynamics, Inc. $21.43 09/25/2024 Food and Beverage Undisputed 01/23/2026 1095070391 CMS
AngioDynamics, Inc. $20.79 10/09/2024 Food and Beverage Undisputed 01/23/2026 1095070395 CMS
AngioDynamics, Inc. $22.87 10/23/2024 Food and Beverage Undisputed 01/23/2026 1095070400 CMS
AngioDynamics, Inc. $110.50 11/22/2024 Food and Beverage Undisputed 01/23/2026 1095070403 CMS
AngioDynamics, Inc. $22.27 12/11/2024 Food and Beverage Undisputed 01/23/2026 1095070406 CMS
AngioDynamics, Inc. $108.15 12/20/2024 Food and Beverage Undisputed 01/23/2026 1095070410 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, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , 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.