From Heroes Wiki
Robert Rigamonti is the American film and television actor who played Heidi's surgeon.
Robert Rigamonti is a character actor, often playing the role of a doctor or scientist. He has appeared in small parts on Beverly Hills 90210 and ER. He has also appeared on Murder She Wrote with Sally Champlin, on American Dreams with Matthew John Armstrong, and on Family Law with Erick Avari.