Crista R. Berry, Certified Physician AssistantCrista Berry is a certified physician assistant. In 2009 she graduated Magna Cum Laude from Mount Vernon Nazarene University with a Bachelor of Science degree in Biology. Following this, she obtained a Master of Science degree in Physician Assistant Studies from Marietta College. She has been employed at OAZ since 2011. Berry diagnoses and treats a variety of orthopaedic conditions, manages postoperative care and assists in surgeries.