SAN FRANCISCO--(BUSINESS WIRE)--McKesson Corporation (NYSE:MCK) today announced that John Hammergren, chairman and chief executive officer, will present at the 34th Annual J.P. Morgan Healthcare Conference in San Francisco at 10:00 a.m. PT on Tuesday, January 12, 2016. Audio webcasts will be available live and archived on the company’s Investor Relations website at http://investor.mckesson.com. A complete listing of upcoming events for the investment community is available on the company’s Investor Relations website.