Stephen M. Day ,

  • General Cardiology
  • Interventional Cardiology
  • Nuclear Cardiology

Stephen M. Day, MD specializes in general and interventional cardiology. He performs diagnostic cardiac catheterizations, coronary interventions, nuclear stress testing and is board certified in cardiovascular disease, interventional cardiology, and internal medicine. “I enjoy cardiology because it allows me to participate in prevention, acute care, and secondary prevention,” he said. “During my time with patients, I try to be their advocate.”

Dr. Day earned his medical degree from Marquette University and the Medical School of Wisconsin, and completed his internship and residency at Marquette University Affiliated Hospitals. He then pursued fellowships in cardiovascular disease and interventional cardiology at Georgetown University Hospital.

Dr. Day enjoys spending time with his wife, two children, and two yellow labs.  He enjoys sailing, skiing and scuba diving.  


Medical School 

  • Medical College of Wisconsin, Marquette University


  • Medical College of Wisconsin, Marquette Affiliated Hospitals | Internal Medicine


  • Georgetown University Medical Center | Cardiovascular Disease
  • Georgetown University Medical Center | Interventional Cardiology

Board Certifications

  • Cardiovascular Disease
  • Interventional Cardiology
  • Internal Medicine 

Specialty Areas of Interest

  • General Cardiology
  • Interventional Cardiology
  • Echocardiography
  • Nuclear Cardiology

Professional Associations

  • American College of Cardiology | Fellow

Teaching Position

  • Instructor, Department of Medicine, Division of Cardiology | Georgetown University Medical School

Leadership Positions

  • Board of Directors | Virginia Heart
  • Director, Cardiac Rehab | Inova Alexandria Hospital


  • Top Doctor  | Washingtonian Magazine

Hospital Affiliations

  • Inova Alexandria Hospital
  • Inova Fairfax Hospital

"I enjoy working as my patients' advocate with their active participation."

- Dr. Stephen M. Day


Alexandria Office

4825 Mark Center Drive
Suite 150
Alexandria, VA 22311

P: 703-621-4501
F: 703-751-1105