Donald DeLollis graduated from Tufts University with a bachelor of science in Biology.  He attended Tufts University School of Medicine and earned an MD in 1971.  He completed his internship and residency in pediatrics at the Tufts-New England Medical Center.  He has been with Pediatric Associates of Medford since 1974.  He is on staff at Winchester Hospital.  Dr. DeLollis is a Clinical Instructor in Pediatrics at Tufts University School of Medicine.  He is board certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics.