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

BILL K CHANG

Allopathic & Osteopathic Physicians Surgery Vascular Surgery

NPI
1043321698
CMS profile
92220
Location
HOUSTON, TX

General Payments · PY2018–2024

$3,939.68

  • Reported across 92 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$307.12

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
Food and Beverage $307.12 9

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $350.00 14
PY2019 $1,123.20 15
PY2020 $184.65 7
PY2021 $107.53 6
PY2022 $437.28 12
PY2023 $1,429.90 29
PY2024 $307.12 9

Payment records · PY2024 (9)

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
AngioDynamics, Inc. $110.94 03/12/2024 Food and Beverage Undisputed 01/23/2026 1095070314 CMS
Becton, Dickinson and Company $19.65 04/03/2024 Food and Beverage Undisputed 01/23/2026 1127638471 CMS
Boston Scientific Corporation $31.77 01/12/2024 Food and Beverage Undisputed 01/23/2026 1092622296 CMS
Cook Medical LLC $16.41 05/06/2024 Food and Beverage Undisputed 01/23/2026 1118332615 CMS
Cook Medical LLC $3.85 10/08/2024 Food and Beverage Undisputed 01/23/2026 1118334163 CMS
Medtronic, Inc. $25.89 04/22/2024 Food and Beverage Undisputed 01/23/2026 1117039040 CMS
Medtronic, Inc. $57.79 09/12/2024 Food and Beverage Undisputed 01/23/2026 1117039042 CMS
SANOFI-AVENTIS U.S. LLC $17.24 03/29/2024 Food and Beverage Undisputed 01/23/2026 1139944555 CMS
Silk Road Medical, Inc. $23.58 04/29/2024 Food and Beverage Undisputed 01/23/2026 1082273972 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.