Dr. Mercatante grew up on the east side of Detroit and learned at an early age what poverty and community can mean for health. After high school she received a BS degree in Medical Technology from Michigan State University, her MD from Wayne State School of Medicine/Detroit, and completed a Family Medicine Residency from St John Hospital/Detroit. She has remained Board Certified in Family Practice and has spent over 20 years in primary care in St Clair County. She received her Masters of Public Health (MPH) from University of Massachusetts/Amherst in 2011. First as Medical Director, and now as the Medical Health Officer for the St Clair County Health Department, she sees Local Public Health as a critical component of healthcare reform and improving population health.