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.
Clinical Interests:
- Anterior cruciate ligament (ACL) injuries
- Anterior cruciate ligament (ACL) reconstruction
- Impingement Syndrome
- Knee arthroscopy
- Knee ligament injuries
- 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, MA 02114
Phone: 617-643-0803
Sports Medicine at Mass General Waltham
52 Second Ave.
Blue Building (3rd Floor), Suite 3300
Waltham, MA 02451
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.