Research and Nonresearch Industry Payments to Nephrologists in the United States between 2014 and 2021.

Between 2014 and 2021, 87% of US nephrologists received at least one payment from the health care industry. Notably, nonresearch payments to nephrologists have been increasing since the Open Payments database's 2014 launch. Male nephrologists were more likely than female nephrologists to receive research payments.