Helen O’Hallaron, MD Helen O’Hallaron, MD is a pediatrician with AHN Pediatric Institute. She provides patient-centered care for medically complex or fragile children, with a focus on promoting health through proper nutrition and healthy habits. Her specialties include children with asthma, allergies, and gastrointestinal issues. She went to medical school at University of Virginia School of Medicine in Charlottesville, Virginia and did her residency at Albany Medical Center in Albany, New York. Dr. O’Hallaron is certified by the American Board of Pediatrics. Her goal as a pediatrician is to partner with parents through engaged listening of their concerns — through the lens of many years of experience ¬— to provide care that is reassuring and promotes health. She sees patients ages newborn to 18.