Dr. Dylan Steen is making a bold prediction when it comes to his less than 2-year-old Cincinnati-based startup. High Enroll, a new health care app, is going to be the city's next big thing, he says. The team behind it has experience, including last year's addition of a former Dotloop co-founder. It's out to solve a problem Steen can only describe as "hairy." And in an area that's simply ripe for innovation. High Enroll, in short, wants to make it easier for physicians and others in...