Sports Medicine Mass General Brigham Director of Professional Sports 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
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.
Labral injuries and shoulder instability (SLAP, Bankart)
Meniscus tear
Revision ACL reconstruction
Rotator cuff repairs
Shoulder and knee injuries
Shoulder arthroscopy
Sports injuries
Treats:
Adult
Locations
Sports Medicine Service Charles River Plaza 175 Cambridge St., 4th Floor Boston, MA02114 Phone: 617-643-0803
Sports Medicine at Mass General Waltham 52 Second Ave. Blue Building (3rd Floor), Suite 3300 Waltham, MA02451 Phone: 617-643-0803
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
Aetna
Beech Street
Blue Cross Blue Shield
Blue Cross Blue Shield Medicare
Cigna
Commonwealth Care Alliance
Coventry
Fallon Health
Harvard Pilgrim Health Care
Humana
Maine Community Health Options
Mass General Brigham Health Plan
MassHealth
Medicaid ME
Medicaid NH
Medicaid NY
Medicaid RI
Medicaid VT
Medicare
Medicare ACO
Multiplan
Railroad Medicare
Senior Whole Health
TriCare
Tufts Health Plan
United Health Care
Wellpoint
WellSense
WellSense NH
Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.
Research
Dr Asnis' research interests focus primarily on anterior cruciate ligament (ACL) injuries and treatments, including outcomes of various subgroups of patients. Dr. Asnis hopes his research helps get patients back to a stable knee and back to the activities they love.
Publications
Select Publications:
Hazzard S, Bacevich B, Lustig M, Lonati D, Asnis P. Preferences Including Graft Choice, Lateral Augmentation, and Rehabilitation After Anterior Cruciate Ligament Reconstruction Among National Football League Team Orthopaedic Surgeons. Arthrosc Sports Med Rehabil. 2025;7(4):101161. doi:10.1016/j.asmr.2025.101161.
Bacevich BM, Hazzard S, Lustig M, Connelly S, Nukala V, Asnis P. Early Surgical Intervention Results in Better Patient-Reported Outcomes Than Delayed Treatment in Patients Undergoing Anterior Cruciate Ligament Reconstruction in the Presence of Concomitant Medial Collateral Ligament Injury. Arthroscopy Sports Medicine and Rehabilitation. 2024;7(2). 101038. doi:https://doi.org/10.1016/j.asmr.2024.101038.
Hazzard S, Lonati D, Lampron M, Blake R, Thompson C, Asnis P. Ambulatory Orthopaedic Surgery Advanced Practice Providers in an Academic Medical Center Spend 5.9 Hours a Week on InBasket Management. JBJS Journal of Orthopaedics for Physician Assistants. 2025;13(2):e25.00003. doi:https://doi.org/10.2106/jbjs.jopa.25.00003.
Hazzard S, Bacevich B, Stovall N, Nukala V, Asnis P. Patients? Comfort with Opioid Use and Disposal Post-Operatively After Outpatient Anterior Cruciate Ligament Reconstruction: A Gender-Based Analysis. Journal of Womens Sports Medicine. 2024;4(3):25-32. doi:https://doi.org/10.53646/t070p363.
Bacevich BM, Hazzard S, Lustig M, Connelly S, Nukala V, Asnis P. Early Surgical Intervention Results in Better Patient-Reported Outcomes Than Delayed Treatment in Patients Undergoing Anterior Cruciate Ligament Reconstruction in the Presence of Concomitant Medial Collateral Ligament Injury. Arthrosc Sports Med Rehabil. 2024;7(2):101038. Published 2024 Nov 9. doi:10.1016/j.asmr.2024.101038.
Lustig, M. A., Hazzard, S., Fitzgerald, B., Stovall, N., & Asnis, P. ?Body Mass Index Between 15 and 30 Does Not Influence Patient-Reported Outcomes After Anterior Cruciate Ligament Surgery Using a 10-mm-Diameter Bone-Tendon-Bone Graft?. Arthrosc Sports Med Rehabil, March 2024, 100925. https://doi.org/10.1016/j.asmr.2024.100925 In Press.
Hazzard S, Bacevich B, Perry N, Nukala V, Asnis, P; Anterior Cruciate Ligament Reconstruction Using Allograft in Adults Older Than the Age of 40 Years Shows Similar Patient-Reported Outcomes Between Male and Female Patients, Arthroscopy, Sports Medicine, and Rehabilitation, Vol 6 Iss 2, April 2024.
Hazzard, S., Connolly, S., Fitzgerald, B., & Asnis, P. ?Anterior Cruciate Ligament Reconstruction Using Bone?Patellar Tendon?Bone Autograft With Lateral Compartment Meniscectomy or Chondroplasty Does Not Lead to Decreased Return to Sport and Activity Compared With No Lateral Pathology?. Arthrosc Sports Med Rehabil, Feb 2024, 100910. https://doi.org/10.1016/j.asmr.2024.100910.
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A Top Hospital in America
Mass General is recognized as a top hospital on the U.S. News Best Hospitals Honor Roll for 2025-2026.
Go Bruins!
Team Doctor and Sports Medicine Surgeon, Peter Asnis, MD, talks about caring for the Boston Bruins during the NHL Playoffs.
Boston Red Sox team physicians and Mass General Brigham Sports Medicine providers Peter Asnis, MD and Miho J. Tanaka, MD, PhD, recently visited JetBlue Park in Fort Myers, Florida for spring training.
Dr. Mark Price, Dr. Peter Asnis and Dr. Scott Martin of the Sports Medicine Center on the field after the New England Patriots defeated the Los Angeles Rams on February 3.