Our Providers //

John Tierney, D.O. | Board Certified Orthopedic Surgeon


​Sports Medicine Specialist


Medical School

Philadelphia College of Osteopathic Medicine, Philadelphia, PA


Genesys Regional Medical Center, Michigan State University


New England Baptist Hospital, Sports Medicine

Dr. John Tierney is an Orthopedic Surgeon who serves as Assistant Clinical Professor at Tufts University School of Medicine. He is fellowship trained and a staff physician in sports medicine at New England Baptist Hospital. He currently serves as medical director for Greater Boston Orthopedic Center.


Dr. Tierney’s specialties include the arthroscopic treatment of shoulder, elbow, knee, and ankle surgery, joint replacement surgery including total knee arthroplasty, and occupational medicine. With a primary interest in shoulder reconstruction, he has over twenty years of experience in the research and arthroscopic treatment of rotator cuff tears and instability of the shoulder. He is active in stem cell research in repairing cartilage in arthritic joints and in the treatment and prevention of arthritis through a holistic approach.


Dr. Tierney has been treating occupational, or worker’s compensation, injuries for over twenty years and brings a “professional athlete’s care” approach to the treatment of the “industrial athlete’s” injury. This includes a rapid diagnosis and treatment so as to return the worker to a better than pre-injury status.


Dr. Tierney serves as the team physician for Westwood High School, and is active in USA Gymnastics.

Professional Societies

Arthroscopy Association of North America

American Osteopathic Academy of Orthopedics

American Osteopathic Association

Eastern Orthopedic Association

International Cartilage Repair Society

Boston Orthopedics Association

Board of Certification for Athletic Trainers

Lauren Bruno, P.A.-C. | Physician Assistant in Orthopedic Surgery


Lauren Bruno is the Physician Assistant to Dr. Tierney, specializing in both sports medicine injuries, as well as total joint replacement surgery of the knee. She earned a Bachelor of Science Degree in Health Sciences from Northeastern University, and a Master of Physician Assistant Studies Degree from Massachusetts College of Pharmacy and Health Sciences. She completed clinical training both with Dr. Tierney and at local area hospitals, including the New England Baptist Hospital, Brigham and Women’s Hospital, and Newton Wellesley Hospital. She is an active member of the American Academy of Physician Assistants.

© 2018 by Greater Boston Orthopedic Center

To Schedule An Appointment

Call (781) 461-4543