Saint Joseph Mercy Hospital Health Systems

Melissa Ayoub Heinen, DO, MPH, is a board-certified pediatrician. Dr. Heinen has clinical interests in preventive care, public health, vaccines, special needs children, autism and ADHD. She earned her master's in public health from Tulane University School of Public Health and Tropical Medicine and is a fellow of the American Academy of Pediatrics. Dr. Heinen is the pediatric division head at Trinity Health IHA Medical Group.