Who Employs Your Doctor? Increasingly, a Private Equity Firm. A new study finds that private equity firms own more than half of all specialists in certain U.S. markets. Author: REED ABELSON and MARGOT SANGER-KATZ Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)