Get to know me

Our Health Mission

Board Certifications 

  • ​Certification Board of Nuclear Cardiology (Inactive)
  • The American Board of Internal Medicine ((Active)
  • ​Cardiovascular Disease (Internal Medicine) (Inactive)

Professional Memberships

  • ​American College of Cardiology

Awards and Publications

  • ​Published in the area of Nuclear Cardiology
  • Published in the area of Nuclear Stress Testing


Dr. Martin J. O'Hara

graduated from University College, Dublin in his native Ireland and completed fellowship in Cardiology and Nuclear Cardiology at Columbia-Presbyterian and Mount Sinai Medical Centers in New Your City before moving to Virginia. Dr. O’Hara is a Board Certified Cardiologist, Certified in Nuclear Cardiology and Internal Medicine. He has been in private practice in Arlington since 1993. He sees adult patients. Dr. O’Hara is attending Cardiologist at Virginia Hospital Center and FairfaxHospital. Dr. O’Hara has a special interest in preventive cardiology and the role of exercise to avoid and retard the progression of cardiovascular disease. He speaks Spanish, French and German.



  • Medical School - University College, Dublin - Doctor of Medicine
  • Nuclear Cardiology Fellow, Mount Sinai Hospital, New York 
  • Clinical Cardiology Fellow, Columbia-Presbyterian Medical Center, New York