Photo of Peter D. Asnis, MD

Peter D. Asnis, MD

  • Chief, Sports Medicine Service
  • Head Team Physician: Boston Bruins; Head Team Orthopaedic Surgeon: Boston Red Sox; Team Physician: New England Patriots
  • Assistant Professor of Orthopaedic Surgery, Harvard Medical School


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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.



Clinical Interests
  • Shoulder and knee injuries
  • ACL (anterior cruciate ligament) reconstruction
  • ACL (anterior cruciate ligament) injuries
  • Revision ACL reconstruction
  • Sports injuries
  • Meniscus tear
  • Rotator cuff repairs
  • Impingement Syndrome
  • Labral injuries and shoulder instability (SLAP, Bankart)
  • Knee ligament injuries
  • Knee arthroscopy
  • Shoulder arthroscopy
Medical Education
  • MD, Weill Cornell Medical College
  • Residency, Hospital for Special Surgery
  • Fellowship, Massachusetts General Hospital
Board Certifications
  • Orthopaedic Surgery
  • Sports Medicine
  • Boston: Massachusetts General Hospital
  • Waltham: Mass General Waltham
Existing Patients
Patient Gateway
Insurances Accepted
  • Aetna Health Inc.
  • AllWays Health (NHP) - ACD
  • AllWays Health (NHP) - PBO
  • Beech Street
  • Blue Cross Blue Shield - Blue Care 65
  • Blue Cross Blue Shield - Indemnity
  • Blue Cross Blue Shield - Managed Care
  • Blue Cross Blue Shield - Partners Plus
  • BMC HealthNet Mass Health MCO/ACO
  • Cigna (PAL #'s)
  • Commonwealth Care Alliance
  • Fallon Community HealthCare
  • Great-West Healthcare (formally One Health Plan)
  • Harvard Pilgrim Health Plan - ACD
  • Harvard Pilgrim Health Plan - PBO
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • Maine Community Health Options (MCHO)
  • MassHealth
  • Medicare
  • Medicare - ACD
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - New York
  • OSW - Rhode Island
  • Private Health Care Systems (PHCS)
  • Railroad Medicare
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO
  • Well Sense Pediatrics

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

Patient Age Group
Provider Gender


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. And Dr. Asnis serves as Chief of the Mass General Sports Medicine Service.

In the News:

Bruins Issue Update On Anders Bjork,, 02.22.18
Jackie Bradley Jr. injury update,, 04.09.17
Red Sox OF Mookie Betts undergoes right knee surgery,, 11.11.2016
Red Sox closer Craig Kimbrel gets surgery to fix torn cartilage,, 07.11.16
PawSox 1B Travis working hard to return to field, Pawtucket Times, 07.08.16

Research & Publications

Research Summary

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.

News & Events


Sports Medicine Center
175 Cambridge Street
4th Floor
Boston, MA 02114-2723
Phone: 617-643-0803
Fax: 617-643-3438

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