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

ADDISON WILLETT

Allopathic & Osteopathic Physicians Radiology Radiation Oncology

NPI
1508252941
CMS profile
2049952
Location
IOWA CITY, IA

General Payments · PY2020–2024

$966.19

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

Latest program year · PY2024

$459.46

23 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 $459.46 23

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2020 $30.25 1
PY2021 $14.19 1
PY2022 $85.21 5
PY2023 $377.08 19
PY2024 $459.46 23

Payment records · PY2024 (23)

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

Program year 2024 2020202120222023 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
Alexion Pharmaceuticals, Inc. $24.32 10/29/2024 Food and Beverage Undisputed 01/23/2026 1093982178 CMS
AstraZeneca Pharmaceuticals LP $16.84 01/22/2024 Food and Beverage Undisputed 01/23/2026 1104704257 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.94 06/06/2024 Food and Beverage Undisputed 01/23/2026 1086124272 CMS
Daiichi Sankyo Inc. $23.18 03/08/2024 Food and Beverage Undisputed 01/23/2026 1089498296 CMS
Genmab U.S., Inc. $20.67 05/28/2024 Food and Beverage Undisputed 01/23/2026 1126823752 CMS
Genmab U.S., Inc. $19.84 10/24/2024 Food and Beverage Undisputed 01/23/2026 1126823754 CMS
GENZYME CORPORATION $21.06 05/02/2024 Food and Beverage Undisputed 01/23/2026 1139954352 CMS
GENZYME CORPORATION $27.37 11/19/2024 Food and Beverage Undisputed 01/23/2026 1139954446 CMS
Janssen Biotech, Inc. $19.43 10/28/2024 Food and Beverage Undisputed 01/23/2026 1078565103 CMS
Lilly USA, LLC $18.63 08/07/2024 Food and Beverage Undisputed 01/23/2026 1136009085 CMS
Merck Sharp & Dohme LLC $25.66 05/21/2024 Food and Beverage Undisputed 01/23/2026 1141812497 CMS
Merck Sharp & Dohme LLC $25.67 05/23/2024 Food and Beverage Undisputed 01/23/2026 1141906739 CMS
Merck Sharp & Dohme LLC $18.70 08/28/2024 Food and Beverage Undisputed 01/23/2026 1141812499 CMS
Novartis Pharmaceuticals Corporation $15.68 04/24/2024 Food and Beverage Undisputed 01/23/2026 1087361158 CMS
Novartis Pharmaceuticals Corporation $16.28 06/18/2024 Food and Beverage Undisputed 01/23/2026 1087361168 CMS
Novartis Pharmaceuticals Corporation $23.85 07/09/2024 Food and Beverage Undisputed 01/23/2026 1087361166 CMS
Novartis Pharmaceuticals Corporation $18.13 08/15/2024 Food and Beverage Undisputed 01/23/2026 1087361170 CMS
Novartis Pharmaceuticals Corporation $16.27 08/19/2024 Food and Beverage Undisputed 01/23/2026 1087361172 CMS
Novartis Pharmaceuticals Corporation $16.28 09/26/2024 Food and Beverage Undisputed 01/23/2026 1087361176 CMS
Novocure Inc. $7.11 07/25/2024 Food and Beverage Undisputed 01/23/2026 1123333538 CMS
Novocure Inc. $24.57 10/23/2024 Food and Beverage Undisputed 01/23/2026 1123333540 CMS
Pharmacosmos Therapeutics Inc. $18.15 08/21/2024 Food and Beverage Undisputed 01/23/2026 1154827003 CMS
Takeda Pharmaceuticals U.S.A., Inc. $25.83 02/08/2024 Food and Beverage Undisputed 01/23/2026 1144970253 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
2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · 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.