A graduate of Amherst College and the University of Massachusetts Medical School, Dr. Mattheos completed his orthopedic surgery residency through the prestigious Harvard Combined Orthopaedic Residency Program. His training included experience at Massachusetts General Hospital, Boston Children's Hospital, Brigham and Women's Hospital, and Beth Israel Deaconess Medical Center, where he gained comprehensive expertise in the diagnosis and surgical management of complex orthopedic conditions.
Following residency, Dr. Mattheos completed a fellowship in Sports Medicine at New England Baptist Hospital in Boston. During his fellowship, he participated in the care of the Boston Celtics, further refining his skills in treating athletic injuries and helping patients safely return to sports and active lifestyles.
Dr. Mattheos has been instrumental in introducing robotic-assisted orthopedic technology to Massachusetts' North Shore. By utilizing advanced robotic systems, he creates individualized virtual preoperative plans that allow for greater surgical precision and more personalized treatment. This technology helps optimize implant positioning, improve surgical accuracy, and support more predictable outcomes for patients undergoing knee replacement surgery.
In addition to his expertise in robotic joint replacement, Dr. Mattheos is an accomplished arthroscopic surgeon with extensive experience performing minimally invasive procedures for knee and shoulder injuries. His treatment philosophy emphasizes preserving healthy tissue whenever possible while developing customized care plans tailored to each patient's goals, activity level, and lifestyle.
Committed to advancing the field of orthopedic surgery, Dr. Mattheos has presented at numerous regional and national conferences on topics including meniscal repair, ACL reconstruction, calcific tendonitis of the shoulder, and robotic-assisted partial and total knee replacement.
Outside the operating room, Dr. Mattheos serves as a team physician for several local high schools, including Newburyport High School and Central Catholic High School. Working closely with student-athletes, coaches, and families, he provides expert evaluation, injury management, and guidance to help young athletes recover safely and perform at their best.
Originally from Lowell, Massachusetts, Dr. Mattheos graduated as valedictorian of Central Catholic High School in Lawrence before pursuing his medical education and orthopedic training. He is also fluent in Greek, allowing him to communicate comfortably with a broader patient community.
Through a combination of advanced surgical expertise, innovative technology, and compassionate patient-centered care, Dr. Mattheos is dedicated to helping every patient achieve lasting pain relief, restored function, and an improved quality of life.
