Ethan Copeland, M.D was the surgeon who helped Angie, the baby Brooke Davis had temporary custody of in order for her to get her operation. He successfully operated on her and saved her life, allowing her to return to her parents much to Brooke's dismay.
Copeland became a surgeon for the feeling when he helps someone.
Ethan was the surgeon who operated on baby Angie's heart. When Brooke asked his name before the surgery he only replied, "She's in good hands." Later, once the operation was over, he revealed his name to Brooke as Ethan.