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

WILLIAM J STEPHAN

Allopathic & Osteopathic Physicians Internal Medicine Interventional Cardiology

NPI
1851344931
CMS profile
473137
Location
NAPERVILLE, IL

General Payments · PY2018–2024

$7,864.21

  • Reported across 85 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$4,367.06

32 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 $3,291.36 17
Food and Beverage $1,075.70 15

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Edwards Lifesciences Corporation $2,977.80 18
Abbott Laboratories $1,158.84 10
Medtronic, Inc. $157.07 1
CARDIVA MEDICAL, INC. $73.35 3

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $847.52 7
PY2019 $1,459.47 13
PY2020 $599.57 11
PY2021 $12.61 1
PY2022 $306.82 10
PY2023 $271.16 11
PY2024 $4,367.06 32

Payment records · PY2024 (32)

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 $46.44 09/04/2024 Travel and Lodging Undisputed 01/23/2026 1125437603 CMS
Abbott Laboratories $85.81 09/04/2024 Travel and Lodging Undisputed 01/23/2026 1125437607 CMS
Abbott Laboratories $292.67 09/04/2024 Travel and Lodging Undisputed 01/23/2026 1125437609 CMS
Abbott Laboratories $106.24 09/04/2024 Travel and Lodging Undisputed 01/23/2026 1125437611 CMS
Abbott Laboratories $46.44 09/04/2024 Travel and Lodging Undisputed 01/23/2026 1125437613 CMS
Abbott Laboratories $9.02 09/04/2024 Travel and Lodging Undisputed 01/23/2026 1125437615 CMS
Abbott Laboratories $298.95 09/05/2024 Travel and Lodging Undisputed 01/23/2026 1125437605 CMS
Abbott Laboratories $124.57 09/30/2024 Food and Beverage Undisputed 01/23/2026 1125302516 CMS
Abbott Laboratories $145.34 10/16/2024 Food and Beverage Undisputed 01/23/2026 1125302518 CMS
Abbott Laboratories $3.36 11/06/2024 Food and Beverage Undisputed 01/23/2026 1125302520 CMS
CARDIVA MEDICAL, INC. $34.29 02/06/2024 Food and Beverage Undisputed 01/23/2026 1143861836 CMS
CARDIVA MEDICAL, INC. $21.96 08/08/2024 Food and Beverage Undisputed 01/23/2026 1143861838 CMS
CARDIVA MEDICAL, INC. $17.10 09/24/2024 Food and Beverage Undisputed 01/23/2026 1143861840 CMS
Edwards Lifesciences Corporation $557.83 08/14/2024 Travel and Lodging Undisputed 01/23/2026 1138833518 CMS
Edwards Lifesciences Corporation $69.67 08/18/2024 Food and Beverage Undisputed 01/23/2026 1138833508 CMS
Edwards Lifesciences Corporation $9.32 08/19/2024 Food and Beverage Undisputed 01/23/2026 1138833510 CMS
Edwards Lifesciences Corporation $40.00 08/19/2024 Travel and Lodging Undisputed 01/23/2026 1138833512 CMS
Edwards Lifesciences Corporation $125.00 08/19/2024 Travel and Lodging Undisputed 01/23/2026 1138833514 CMS
Edwards Lifesciences Corporation $270.07 08/19/2024 Travel and Lodging Undisputed 01/23/2026 1138833520 CMS
Edwards Lifesciences Corporation $194.00 08/19/2024 Travel and Lodging Undisputed 01/23/2026 1138833522 CMS
Edwards Lifesciences Corporation $127.89 10/02/2024 Food and Beverage Undisputed 01/23/2026 1138833526 CMS
Edwards Lifesciences Corporation $6.67 10/03/2024 Food and Beverage Undisputed 01/23/2026 1138833530 CMS
Edwards Lifesciences Corporation $154.31 10/16/2024 Food and Beverage Undisputed 01/23/2026 1138833532 CMS
Edwards Lifesciences Corporation $391.95 11/21/2024 Travel and Lodging Undisputed 01/23/2026 1138833544 CMS
Edwards Lifesciences Corporation $154.59 11/21/2024 Travel and Lodging Undisputed 01/23/2026 1138833546 CMS
Edwards Lifesciences Corporation $152.88 12/06/2024 Travel and Lodging Undisputed 01/23/2026 1138833548 CMS
Edwards Lifesciences Corporation $68.66 12/06/2024 Food and Beverage Undisputed 01/23/2026 1138833554 CMS
Edwards Lifesciences Corporation $266.86 12/06/2024 Travel and Lodging Undisputed 01/23/2026 1138833560 CMS
Edwards Lifesciences Corporation $71.41 12/06/2024 Food and Beverage Undisputed 01/23/2026 1138833562 CMS
Edwards Lifesciences Corporation $64.08 12/06/2024 Food and Beverage Undisputed 01/23/2026 1138833564 CMS
Edwards Lifesciences Corporation $252.61 12/18/2024 Travel and Lodging Undisputed 01/23/2026 1138833566 CMS
Medtronic, Inc. $157.07 09/11/2024 Food and Beverage Undisputed 01/23/2026 1119514523 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.