holick received nearly $163,000 from 2013 to 2017 from pharmaceutical companies, according to medicare’s open payments database, which tracks payments from drug and device manufacturers. the companies paying him included sanofi-aventis, which markets vitamin d supplements; shire, which makes drugs for hormonal disorders that are given with vitamin d; amgen, which makes an osteoporosis treatment; and roche diagnostics and quidel corp., which both make vitamin d tests.