Beat The Reaper by Josh Bazell

In this thrilling and darkly comedic novel, a former hitman turned doctor finds his past catching up with him as he navigates the chaotic world of a New York City hospital. The protagonist, who has assumed a new identity in the witness protection program, must rely on his wits and medical skills to survive when a mobster patient recognizes him. As he battles both the criminal underworld and the challenges of modern medicine, the story unfolds with a blend of suspense, humor, and unexpected twists, exploring themes of redemption, identity, and the inescapable nature of one's past.