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
  • ACL (anterior cruciate ligament) reconstruction
  • ACL (anterior cruciate ligament) injuries
  • Revision ACL reconstruction
  • Shoulder and knee injuries
  • Sports injuries
  • Meniscus tear
  • Rotator cuff repairs
  • Impingement Syndrome
  • Labral injuries and shoulder instability (SLAP, Bankart)
  • PCL (posterior cruciate ligament) injuries
  • Knee ligament injuries
  • Knee arthroscopy
  • Shoulder arthroscopy
Medical Education
  • MD, Weill Cornell University 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.
  • 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
  • MassHealth
  • Medicare
  • Medicare - ACD
  • Neighborhood Health Plan - ACD
  • Neighborhood Health Plan - PBO
  • 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. 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 Instructor 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. Additionally he is a member of the Team Physician Societies for the NFL, NHL and MLB.

In the News:

Koji Uehara on 15-day DL,, 06.21.16
Kimbrel knee surgery successful,, 06.11.16
PawSox 1B Travis working hard to return, Pawtucket Times, 07.08.16
Bruins say Krejci, Krug out months after surgeries, Boston Herald, 05.03.16
When it comes to treating Boston’s professional athletes, he’s always on call,, 01.26.16
Buchholz has successful surgery,, 09.30.14
Dennis Seidenberg has knee surgery,, 01.07.14
Seidenberg to have surgery on right ACL, MCL,, 12.30.13

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:

  • Alpert J, Kozanek M, Asnis P, Li G, Kelly BT. Cross-Sectional Analysis of the Iliopoas Tendon and Its Relationship to the Acetabular Labrum: An Anatomic Study. Am J Sports Med. 2009 Aug; 37(8): 1594-98.
  • Jerabek S, Asnis PD, Bredella M, Oulette H, and Gill TJ. Medial Patellar Ossification After Patellar Instability: A Radiographic Finding Indicative of Prior Patella Sublucation/Dislocation. Skeletal Radiology. 38(8): 785-790.
  • Alpert J and Asnis P. "Orthopedic Surgery" in Oxford American Handbook of Surgery. Oxford University Press: New York, 18:569-646, 2009.
  • Reinold M, Berkson E, Asnis P, Irrgang J, Safran M, Fu F. "Knee: Ligamentous and Patellar Tendon Injuries" in Magee D. Pathology and Intervention. Elsevier: St Louis, MO, 16: 528578, 2009.
  • Shindle M, Kelly B, Voos J, Asnis P, Pruett A: Labral Pathology Associated with Psoas Impingement. Arthroscopy: The Journal of Arthroscopic & Related Surgery. 24(6 S): e34, June 2008.

News & Events


MGH Sports Medicine Center
175 Cambridge Street
4th Floor
Boston, MA 02114-2723
Phone: 617-643-0803
Fax: 617-643-3438
Sports Medicine at MG Waltham
52 2nd Avenue
Suite 1150
Waltham, MA 02451
Phone: 617-643-0803
Fax: 617-643-3438

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