Search Angel by Jennifer Griffith

A wounded athlete.
A missing father.
An old grudge.

Landscape architect and volunteer genealogy researcher Emma Shane has done everything she can to distance herself from her teenage past, where she was an orchestra geek targeted by rowdy athletes for pranks. She’s even altered her name. Now, she runs a successful business with her sister by day and after hours uses her special skill: helping people connect with lost relatives through DNA searches.

In her great new life, Emma never has to encounter any jerkface hockey players again, especially not Dempsey Dean Davidson, her high school bully.
Hockey star Dempsey Dean Davidson is a local god. As goalkeeper on the Reedsville Rhinos team, he’s got everything anyone could dream of—fame, fortune, and an awesome job. But he harbors a secret: a mysterious medical problem that could cost him his career.

As an adoptee out of foster care, he’s stuck. There’s no one to ask about genetic history. He can’t find any relatives.
He needs help desperately, and there’s only one person in Reedsville with the skill to help him—and she’d rather see him tossed out of a plane onto a mountainside full of jumping cactus.