At Mill Brook Pediatrics, our Sudbury medical and administrative team is dedicated to providing compassionate, high-quality healthcare for every child. Our staff members, including experienced professionals like Karen Ashworth, FNP, AE-C; Dr. Katherine M. Bui; Dr. Rosemarie Dieffenbach; Dr. Robert H. Andler; and Dr. Shelly C. Bernstein, bring years of expertise and a deep commitment to pediatric care. From managing asthma and concussions to providing specialized treatments and wellness education, each member of our team works together to ensure a safe, supportive environment for families. We encourage parents to share their questions or concerns—our caring team is always ready to listen, guide, and deliver the best medical experience for your child, Our Sudbury staff is committed to delivering compassionate, high-quality pediatric care for every child and family we serve