Tulio Diaz, MD

Dr. Tulio Diaz earned his medical degree from Universidad Libre de Cali in Cali, Colombia, in 1999. After medical school, he completed an internship and residency in Internal Medicine at MetroWest Medical Center in Framingham, Massachusetts. Following, he went on to a Fellowship in Cardiovascular and Vascular Medicine; As well as completing Interventional Cardiology training, both at Saint Elizabeth’s Medical Center in Boston, Massachusetts. Being a board-certified interventional cardiologist, he is the first cardiologist in the metroplex to specifically obtain a certification in vascular interpretation through ARDMS. As well as, obtaining certifications in Endovascular Interventions for peripheral vascular disease through SMVB and a certification in Vascular Medicine.

Furthermore, he is Board Certified in Internal Medicine and Cardiovascular Disease. Completing a post-doctoral fellowship at Massachusetts General Hospital, Harvard Medical School. He is also a  Member of the Massachusetts Medical Society. As well as the American College of Physicians and the American Society of Internal Medicine. In conclusion, Dr. Diaz is fluent in Spanish and lives happily in Dallas, TX with his wife.

Dr. Tulio Diaz specializes in

  • Structural Heart Disease, PVD and Endovascular medicine
  • Venous and Arterial Thrombolysis
  • Endovascular AAA Repair (EVAR)
  • Carotid Stent
  • EVLT for Varicose Veins (Laser Therapy)
  • Radial Artery Catheterization
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  • Endovascular Medicine
  • Vascular Medicine
  • Cardiovascular Disease
  • Internal Medicine


  • Fellowship, Cardiology and Vascular Medicine, 2011
    Saint Elizabeth’s Medical Center
    Tufts Medical School
  • Fellowship, Cardiovascular Medicine, 2009
    Saint Elizabeth’s Medical Center
    Tufts Medical Center Clinical and Research
  • Fellow, Cardiology Division, 2007
    Massachusetts general Hospital
    Harvard Medical School
  • Internship and Residency, 2002-2005
    MetroWest Medical Center
    University of Massachusetts


  • Doctor of Medicine, 1999
    Universidad Libre de Cali in Cali, Colombia