About Sean Hazzard, PA, MBA

Sean Hazzard earned his undergraduate degree and Physician Assistant certification at Wagner College in New York City. After working in Sports Medicine in southern New Jersey, he relocated back to New York City and worked at the Hospital for Special Surgery (HSS) on the Sports Medicine and Shoulder service. In 2012 he moved to Boston and has worked at Massachusetts General Hospital ever since.

Sean works exclusively with Dr. Peter Asnis, who is the Director of Professional Sports for Mass General Brigham as well as is the Head Team Orthopedic Surgeon of the Boston Red Sox and Head Team Physician of the Boston Bruins.

Sean’s clinical interests involve athletic injuries to the knee and shoulder. The main clinical focus involves ACL injuries of the knee in athletes of cutting sports such as soccer, lacrosse, basketball as well as non-cutting sports like skiing. These include original injuries but also re-injuries.

Sean sees patients at Mass General Waltham.

Departments, Centers & Programs:

Clinical Interests:




Mass General - Waltham

52 Second Avenue
Blue Building, 3rd Floor, Suite 3300
Waltham, MA 02451
Appointments: 617-643-0803

View location, directions and parking information for Mass General - Waltham

Medical Education

  • PA, Wagner College Physician Assistant Program
  • MBA, Southern New Hampshire University

American Board Certifications

  • National Commission on Certification of Physician Assistants
  • Orthopedic Surgery Certificate of Added Qualifications (NCCPA)

Research & Publications

Sean's research interests are focused mainly on the knee, specifically ACL injuries and recovery. There are several ongoing studies involving recovery after ACL surgery including return to sports and activities. These patient reported outcome surveys are to investigate how to continually optimize patient outcomes in active patients who have suffered traumatic injuries like ACL tears.


  • Hazzard S, Pearle A, “Anatomic Double-bundle ACL reconstruction using the “Footprint”/Flexible Reamer Method”, Techniques in Knee Surgery, Vol 11 #3 p161-167, Sept 2012.
  • Hazzard, S, Raskin K, Asnis P. Osteoid Osteoma (case study). Journal of Orthopedics for Physician Assistants, Vol 1 Issue 1 p4-5, 2013.
  • Hazzard, S. Quadriceps tendon autograft for anterior cruciate ligament reconstruction: evidence for increased utilization. Journal of Orthopedics for Physician Assistants, Fall 2014, pp16-18.
  • Hazzard, S. History of ACL reconstruction. Journal of Orthopedics for Physician Assistants, Vol 2, Issue 2 p6-12, 2014.
  • Cohn RM, Dumont GD, Makani A, Hazzard S, Asnis PD. Surgeon experience in transitioning from transtibial to anteromedial portal technique for anterior cruciate ligament reconstruction. Orthopaedic Journal at Harvard Medical School. 2016; 17:24-29.
  • Vopat BG, Hazzard S, Vopat ML, Van Dijk, PA, McKinnon K, Asnis P, Theodore G. Return to Sport after Surgical Treatment of Ligamentous Lisfranc Injuries in Athletes: Retrospective Case Series. European Society of Sports Traumatology, Knee Surgery, and Arthroscopy Annual Meeting. Barcelona Spain. April 2016. Poster Presentation.
  • Vopat B, Wong J, Golijanin, Hazzard S, Palmer W, Asnis P. Encapsulated Fat Necrosis Lesion Caused by a Morel-Lavallee in a Professional Hockey Player. The American Journal of Orthopedics (approved for publication January 2017).
  • Cloutier D, Hazzard S, Dowell C, Downie B, Collins L. Sports medicine roundtable: Management of a chronic retracted rotator cuff tear in a middle-aged woman with intact articular cartilage. JBJS Journal of Orthopedics for Physician Assistants (JOPA), 2017; Vol 5, Issue 1, pE1-E7.
  • Collins L, Downie B, Hazzard S, Dowell C, Cloutier D. Sports medicine roundtable: Graft selection for anterior cruciate ligament reconstruction. JBJS Journal of Orthopedics for Physician Assistants (JOPA), 2019; Vol 7, Issue 1, pE5.
  • Hazzard S, Lonati D, Kolosky M, Asnis P. Rule 50: A reproducible technique to minimize graft-tunnel mismatch during ACL reconstruction using bone-tendon-bone (BTB) graft. Techniques in Orthopaedics. Dec 2021; Vol 3, Issue 36, p445-448.
  • Cloutier D, Collins L, Dowell C, Hazzard S, Downie B. Sports medicine roundtable: Identifying and treating shoulder instability from a deficient glenoid. JBJS Journal of Orthopedics for Physician Assistants (JOPA), 2021; Vol 9, Issue 3.