She is the associate chair for Sports and Musculokeletal Rehabilitation. She is the medical director of the Spaulding-Wellesley Rehabilitation Center. She is chief of PM&R and medical director of the Spine Center at Newton- Wellesley Hospital. Dr. Borg-Stein serves as team physician for varsity athletics at Wellesley College and director of the Sports Medicine Fellowship at Spaulding Rehabilitation Hospital/Harvard Medical School. A major area of clinical and research focus in regenerative injection therapies for osteoarthritis and sports injuries.