Jeffrey D. Schnur, APRN, is a nurse practitioner specializing in cardiology at Ascension St. Vincent's in Middleburg, FL. He has the expertise to diagnose, treat and manage even the most complex heart conditions in adults. Jeffrey starts by listening to your health concerns and works with you to create a personalized care plan. Our multispecialty approach to care means that if your heart condition is more complex, Jeffrey works with specialists to provide comprehensive care for you.