Dr Epstein is a paediatrician with an interest in newborn care. Dr Epstein has over 25 years experience in the  care of newborns, infants and children. He has extensive experience in gastroesophageal reflux and cows milk protein intolerance and sleep and settling issues in infants supported by his links to Tresillian and Sydney Children's Hospital, Randwick. He is also a Visiting Medical Officer at St George Public Hospital and attends Tresillian Family Care Cottages.