Marissa Sager, PA-C NPI Number: 1649996927 Primary Specialty: Cardiology Return to WCVM Home Affiliations Winchester Cardiology and Vascular Medicine I Valley Health Winchester Medical Center Education College Shenandoah University Master of Science, Physician Assistant StudiesWinchester, VA Shenandoah University Bachelor of Science in Biology Board Certification Advanced Cardiovascular Life Support Basic Life Support (CPR/AED)