Cassius Iyad Ochoa Chaar, MD, MS, RPVI

Assistant Professor of Surgery (Vascular)

Departments & Organizations

Office of Student Research

Surgery: Vascular Surgery

Yale Medical Group


Cassius Iyad Ochoa Chaar, MD, MS, is an assistant professor of surgery in the vascular division. He is seeing patients at the Yale-New Haven Shoreline Medical Center as well as the Yale Physicians Building. He is a board-certified general surgeon and board-eligible in vascular surgery, and is a registered vascular specialist in the interpretation of vascular laboratory studies. Dr. Chaar’s clinical interests include varicose veins, aneurysms, carotid disease, peripheral arterial disease, peripheral venous disease, dialysis vascular access, endovascular surgery and lower extremity limb preservation, particularly in diabetic patients. 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.

Dr. Chaar speaks English, Spanish, French and Arabic.

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, General (2010)
Board Certification AB of Surgery, Surgery, Vascular (2012)

Honors & Recognition

  • AOA (2002)

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Contact Info

Cassius Iyad Ochoa Chaar, MD, MS, RPVI
Patient Care Locations
85 Poheganut Drive
Groton, CT 06340
Boardman Building
330 Cedar Street

New Haven, CT 06510
Yale Vascular SurgeryYale Physicians Building
800 Howard Avenue, Ste 2nd floor

New Haven, CT 06519
Mailing Address
PO Box 208062
New Haven, CT 06520-8062