Varsity Healthcare Partners (VHP) has announced it has completed a growth equity investment in Partners First Cardiology....By: McGuireWoods LLP. : Varsity Healthcare Partners (VHP) has announced it has completed a growth equity investment in Partners First Cardiology. Partners First Cardiology, based in Austin, Texas, is a cardiology and cardiovascular physician practice management company. VHP, with offices in Los Angeles and Stamford, Conn., is a lower middle market private equity firm focused on healthcare services. Founded in 2014, VHP aims to commit equity investments ranging from $20 million to $60 million.