Envision Healthcare, a leading provider of outsourced medical services in the US, announced terms for its IPO on Wednesday. The Greenwood Village, CO-based company plans to raise $753 million by offering 35 million shares at a price range of $20 to $23. At the midpoint of the proposed range, Envision Healthcare would command a fully diluted market value of $3.9 billion. Envision Healthcare, which was founded in 2011 and booked $6.3 billion in sales for the 12 months ended June 30, 2013, plans to list on the NYSE under the symbol EVHC. Goldman Sachs, Barclays, BofA Merrill Lynch and Citi are the joint bookrunners on the deal.