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Cassius Iyad Ochoa Chaar

Associate Professor of Surgery (Vascular)

Contact Information

Cassius Iyad Ochoa Chaar, MD, MS, RPVI

Patient Care Locations

Office Location

Mailing Address

  • Vascular & Endovascular Surgery

    330 Cedar Street - Boardman Building 204, PO Box 208062

    New Haven, CT, 06520-8062

    United States



Cassius Iyad Ochoa Chaar, MD, MS, is an associate professor of surgery in the division of vascular surgery. He is seeing patients at the Yale-New Haven Shoreline Medical Center as well as the Yale Physicians Building. He is a board-certified in general surgery and vascular surgery, and is a registered vascular specialist in the interpretation of vascular laboratory studies. Dr. Chaar’s clinical interests include peripheral artery disease (PAD) focusing on patients with critical limb ischemia and limb salvage, varicose veins, aortic and visceral aneurysms, carotid disease, deep vein thrombosis, and dialysis vascular access. He completed his graduate and medical degrees at American University of Beirut, Lebanon. He spent his general surgery residency at Yale-New Haven Hospital, and subsequently finished a fellowship in vascular and endovascular surgery at University of Pittsburgh Medical Center.

Education & Training

  • MD
    American University of Beirut (2002)
  • MS
    American University of Beirut (2000)
  • Fellow
    University of Pittsburgh Medical Center
  • Chief Resident
    Yale New Haven Hospital
  • Resident
    Yale New Haven Hospital
  • Post-Doctoral research fellow
    Cleveland Clinic Foundation
  • Board Certification
    AB of Surgery, Surgery, Vascular (2012)

Honors & Recognition


Departments & Organizations