About Peter Asnis, MD

Dr. Asnis specializes in knee and shoulder sports injuries. He sees patients of all ages, from adolescents to adults, and he helps them work toward their desired performance level.

Dr. Peter Asnis earned his undergraduate degree cum laude in biology at Harvard College and his MD from Cornell University Medical School with Honors in Research. After finishing a general surgery internship at New York Presbyterian Hospital, Dr. Asnis completed his orthopaedic residency at the Hospital for Special Surgery in New York where he was awarded the Jean C. McDaniel Resident Teaching and Leadership Award. Dr. Asnis completed a fellowship in Orthopaedic Sports Medicine at Mass General, and following his fellowship, he joined the MGH staff.

Dr. Asnis is the Head Team Orthopaedic Surgeon for the Boston Red Sox, Head Team Physician for the Boston Bruins and is a Team Physician for the New England Patriots.

Dr. Asnis is an Assistant Professor of Orthopaedic Surgery at Harvard Medical School. He is a Fellow of the American Academy of Orthopaedic Surgeons as well as a Member of the American Orthopaedic Society for Sports Medicine. He is a member of the Team Physician Societies for the NFL, NHL and MLB.

Departments, Centers, & Programs:

Clinical Interests:



Sports Medicine Service
Charles River Plaza
175 Cambridge St., 4th Floor
Boston, MA 02114
Phone: 617-726-7500

Sports Medicine at Mass General Waltham
52 Second Ave.
3rd Floor, Suite 3300
Waltham, MA 02451
Phone: 617-726-7500

Medical Education

  • MD, Cornell University Medical College
  • Residency, Hospital for Special Surgery
  • Fellowship, Massachusetts General Hospital

American Board Certifications

  • Orthopaedic Sports Medicine, American Board of Orthopaedic Surgery
  • Orthopaedic Surgery, American Board of Orthopaedic Surgery

Accepted Insurance Plans

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.


Dr. Asnis' research interests are focused on the knee and shoulder, particularly on how to optimize treatment for active patients who have suffered sports-related injuries.

Dr. Asnis collaborates with the Orthopaedic Bioengineering Lab at MGH in many of his research projects. Some of his most recent publications have focused on anatomic and radiographic studies of pathologies of the hip and knee.


  • Select Publications:

    • Vopat B, Wong J, Hazzard S, Golijanin P, Palmer W, Asnis P. Encapsulated fat necrosis lesion caused by a morel-lavallee in a professional hockey player. Am J Orthop. 2017; 46(3): E144-E147.
    • Kernkamp W, Van de Velde S, Tsai T, van Arkel E, Asnis P, Nelissen R, LaPrade R, Zarins B, Li G. An in-vivo simulation on isometry of the anterolateral aspect of the knee. J Bone Joint Surg Am. 2017; 99(13): 1111-1118.
    • Logan CA, Asnis PD, Provencher MT. The role of therapeutic modalities in surgical and nonsurgical management of orthopaedic injuries. J Am Acad Orthop Surg. 2017; 25(8): 556-568.
    • Asnis S, Mullen J, Asnis PD, Sgaglione N, LaPorta T, Grande DA, Chahine NO. Biomechanical analysis of an interference screw and a novel twist lock screw design for bone graft fixation. Clin Biomech. 2017; 50: 99-104.
    • Varady N, Kernkamp W, Li J, Wang L, Koga H, Asnis P, Li G. The Biomechanical effect of tunnel placement on ACL graft forces in double-bundle ACL reconstruction – A 3D computational simulation. Int J Med Robot. 2017; 13(4).
    • Kernkamp W, Varady N, Li J, Tsai T, Asnis P, van Arkel E, Nelissen R, Gill T, Van de Velde S, Li G. An In Vivo Prediction of Anisometry and Strain in Anterior Cruciate Ligament Reconstruction – A Combined Magnetic Resonance and Dual Fluoroscopic Imaging Analysis. Arthroscopy. 2018; 34(4): 1094-1103.
    • Kernkamp W, Varady N, Li J, Asnis P, van Arkel E, Nelissen R, Li G. The Effect of ACL Deficiency on the End-To-End Distances of the Tibiofemoral ACL Attachment During In Vivo Dynamic Activity. Knee. 2018.

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