BioScrip, the largest independent national provider of infusion and home care management solutions, has appointed John McMahon as vice president, controller and chief accounting officer.

McMahon has more than 25 years of accounting and finance experience, including over a decade in principal accounting officer roles at publicly traded companies, including Heska, where he was the chief financial officer; and Advanced Energy Industries, where he was the corporate controller. Earlier in his career, McMahon held senior accounting and audit positions with a variety of other publicly traded companies, including Danka Business Systems, Sykes Enterprises, and Documentum.