Dr. Roseanna Means is bringing quality medical care — for free — to women in Boston's homeless shelters. She and her nonprofit organization, Women of Means, have helped 2,500 women and children each year since 1999.

Dr. Means gave up a lucrative medical career to work with Boston's homeless population, and along with 17 volunteer doctors have together donated $500,000 in services annually.

WATCH the video below, or read the story at CNN Heroes…