Dr. Elhassan joined Massachusetts General Hospital in October 2020. Before coming here, he was on the faculty at the Mayo Clinic and was a Professor of Orthopaedic Surgery at Mayo Clinic College of Medicine.
Dr. Elhassan received his medical degree at the American University of Beirut. He completed three years of training in general surgery focusing on cardiothoracic surgery and one year in orthopaedic surgery at the American University of Beirut. Dr. Elhassan went on to complete his residency in orthopaedic surgery at the University of Illinois in Chicago. While there, he received the Senior Alpha Omega Alpha Honor Medical Society, as well as the Robert Ray Award for Research. Dr. Elhassan completed a fellowship in hand and upper extremity at the Mayo Clinic and an additional fellowship in shoulder and elbow surgery at Mass General.
Dr. Elhassan started working at the Mayo Clinic in 2007. He won the Mayo Clinic Teacher of the Year Award for two consecutive years in 2009 and 2010, and his upper extremity service was voted as one of the best rotations for the Mayo Clinic’s residents and fellows.
Dr. Elhassan has been innovative in the field of upper extremity surgery and he has developed numerous novel procedures (20 new surgical procedures for the shoulder, elbow and wrist) through dedicated anatomic and biomechanical studies. The care and outcome of patients, specifically those with complex shoulder and elbow problems, improved significantly because of these innovations. He is considered the world expert in the evaluation and management of scapulothoracic disorders, and tendon transfers around the shoulder and elbow.
Dr. Elhassan has published over 125 peer-reviewed articles and authored thirty book chapters. He has presented at countless meetings both nationally, as well as internationally, and he has won numerous awards for best abstract, paper, poster, video and podium presentation in national and international hand and shoulder and elbow societies. He is also the recipient of the 2015 ASES Traveling Fellowship Exchange Program.
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Shoulder Service
55 Fruit St.
Yawkey Center for Outpatient Care
Suite 3G
Boston, MA 02114
Phone: 617-724-7300
Medical Education
American Board Certifications
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Dr. Elhassan's main research is focused on understanding the anatomy and biomechanics of the shoulder. He was able, with the help of his colleagues, to create a state-of-the-art shoulder model to conduct his studies on. This model has helped in the evaluation of the kinematics of the scapula and the scapulothoracic articulation. In addition, it helped determine the effectiveness of different muscle transfers to reconstruct the deficient rotator cuff, in native shoulders as well as in shoulders with reverse shoulder arthroplasty.
I feel very fortunate to see this provider.
Got great care
Every person was respectful, courteous, helpful. A special shout out to Dr Elhassan and his entire staff [redacted] their concern and helpfulness was above reproach
My experience was wonder! I was taken on time and Dr. Elhassan to time to listen to my concerns and explained provide answers that were easy for me to understand.
Very knowledgeable
I came from far away to be seen by this doctor, I was very happy I made this trip all the way from [redacted] New York. Doctor Elhassan gave me a thorough test. He was very explicit explaining to me My situation was very courteous and very caring and I felt very positive when I left. PS I saw quite a few specialists regarding my case (over 10) and ... Read More
Dr Elhassan has been very helpful with my multiple shoulder issues since [redacted]. He is the only orthopedic doctor that has solutions for my multiple problems. His experience and expertise inspires confidence.
[redacted] Congratulations to the entire staff. Also, my doctor is wonderful, Doctor Elhassan. He has been very attentive. Thank you very much.
Excellent
I really appreciate his commitment to trying to figure out my shoulder problems when other doctors have simply liked at imaging and declared it not operational. He also has a good understanding of the genetic disorder I have that impacts the shoulder problems.