Industry-sponsored research payments (hereafter research payments) play an important role in the advancement of the medical sciences. Recent analysis of the Open Payments program (OPP) demonstrated that research payments are increasingly dispersed through noncovered entities (NCEs) across specialties. It is unknown how research payments are distributed to radiologists. The aims of this study were to assess trends in research payments to radiologists between 2015 and 2024 and to characterize paym…