Webupdated tue, sep 4, 2018, 11:26 am. Unitedhealth group incorporated ’s unh health service business, branded as optum, and private equity firm, summit. Better ideas, better approaches, better care. Weboptumhealth and an investment consortium led by private equity firm summit partners (summit) recently purchased a controlling interest in sound inpatient. Webget to know the sound physicians leadership team and their strategic approach to healthcare. Find out how they are changing the industry. Websound physicians | 31. 041 pengikut di linkedin. We're committed to improving quality and reducing the cost of…