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David J. Roberts, MSPT/PTCO


Not accepting new patients in Marblehead 

David Roberts founded North Shore Physical Therapy Associates, Inc. in 1981 and has dedicated his time and effort to developing a quality physical therapy practice to serve the communities north of Boston. His expertise is in orthopedic physical therapy.

David's experience includes working at the 1984 Olympics as a physical therapist. He has co-authored research articles on chronic pain and has instructed Clinical Kinesiology at Northeastern University. Boston University has found him lecturing on pain management. Additionally, David has lectured on Shoulder Dysfunction at the International Music and Medicine Conferences in California. David was also a consultant at Massachusetts General Hospital's Musician's Clinic from 1990 to 1995.

After receiving a Bachelor of Science degree in physiology from Michigan State University, David earned a Master's Degree in Family Counseling. In 1978, he received a second Master's degree, in Physical Therapy at Boston University. After his first semester at Boston University, David was awarded an academic scholarship based on his caliber of performance at school. He is a member of the American Physical Therapy Association and is active in the Private Practice, Orthopedics and Sports sections of that organization.

 Nancy DeMuth, DPT, M. Manip. Ther

Staff Phsical Therapist

Not accepting new patients in Marblehead

Nancy joined North Shore Physical Therapy in 1998.  Dr. DeMuth earned her doctoral degree in Physical Therapy in 2007 from the MGH Institute of Health Professions in Boston, MA.  She received her Masters degree in Manual Therapy in Australia in 1997 and her Masters in Physical Therapy from Boston University in 1987. 

Her expertise is in the treatment of spine, geriatrics, and the prevention and treatment of injuries associated with dance and pregnancy.

Outside her practice at NSPT, Nancy pursues dance, yoga and movement which she has studied for over 40 years.  She teaches adult classes in Kripalu yoga/dance and has adapted theses classes for older adults and those with various physical limitations, including those with Parkinson’s disease.