Alexander Postalian, MD

Dr. Postalian is an interventional and general cardiologist at the Texas Heart Institute, acting as a member of the teaching staff for the Institute's cardiovascular disease training programs. Dr. Postalian specializes in coronary, peripheral vascular, and structural/valvular heart disease intervention. His specific clinical and research expertise includes cardiovascular disease prevention, state-of-the-art coronary intervention guided by intravascular imaging and flow assessment, next-day discharge transcatheter aortic valve replacement, and minimally invasive abdominal aortic aneurysm treatment. Dr. Postalian has completed board certification examinations in Cardiovascular Diseases, Echocardiography, Nuclear Cardiology, and Internal Medicine, consistently scoring among the very highest in the nation. Show full bio

Dr. Postalian is a graduate of the Texas Heart Institute interventional and general cardiology fellowship training programs sponsored by Baylor College of Medicine and received the Tauber Award as the most outstanding graduating cardiology fellow. Prior to his cardiology fellowship, Dr. Postalian completed an internal medicine residency at The McGovern Medical School, University of Texas Health Science Center at Houston. During residency training, he was honored as the Outstanding Senior Resident of the Year, Outstanding Resident of the Year, and Outstanding Intern of the Year.

Originally from Venezuela, he graduated first in his class from medical school at the Universidad Central de Venezuela in 2010, obtaining the distinction of Magna Cum Laude. He also received the Lorenzo Campins y Ballester award and the Luis Razetti Award for outstanding academic achievement and research accomplishment.

Outside of work, Dr. Postalian enjoys exercising, the beach, playing video games on occasion for relaxation and spending time with his wife and children.

Connect with Alex on Twitter @APostalian


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  • Medical School:

    Central University of Venezuela

  • Internship:

    The University of Texas Health Science Center at Houston - McGovern Medical School

  • Residency:

    The University of Texas Health Science Center at Houston - McGovern Medical School

  • Fellowships:

    Texas Heart Institute (General Cardiology)


  • American Board of Internal Medicine
  • Basic Life Support (BLS) Course
  • Advanced Cardiovascular Life Support (ACLS) Course

Honors, Awards and Memberships


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