Island Medical Management, LLC is a clinically-led, privately-held organization with over 20 years of management experience. IMM’s unique model offers every advantage of a local community based group, backed by the resources of a national organization. The group provides services to over 75 hospital programs throughout the United States, with more than 1.6 million patient encounters each year. IMM is a portfolio company of New Mountain Capital, LLC, a New York based investment firm with over $15 billion in aggregate capital commitments.