Orthopaedic Surgeon in Commack, New York (NY)

Picture of Laurence E. Mermelstein MD

Laurence E. Mermelstein MD

Orthopaedic Surgeon


  • Long Island Spine Specialists
    763 Larkfield Road, 2nd Floor
    Commack, New York, 11725 - United States
    Phone: (844) 206-5740
  • 400 Montauk Highway, Suite 102
    West Islip, New York, 11795 - United States
    Phone: (844) 207-0485
  • 877 Stewart Avenue, Suite 1
    Garden City, New York, 11530 - United States
    Phone: (844) 207-0487
  • 496 County Rd 111, Building D
    Manorville, New York, 11949 - United States
    Phone: (844) 207-0492

About Our Practice

Laurence E. Mermelstein, M.D. has experience in pediatric and adult spine deformities, sports related injuries and various conditions of the neck and back. As a Board Certified Orthopedic Surgeon and active member of the Scoliosis Research Society, Dr. Mermelstein is recognized as a leading expert in managing the care and treatment of the pediatric scoliosis patient. Dr. Mermelstein is the first surgeon on Long Island to perform he Posterolateral Endoscopic Discectomy procedure and continues to persevere in the world of laser surgery and minimally invasive techniques. These procedures reduce pain and the risk of infection and also allows patients to recover quicker. Dr. Mermelstein has a passion for spine care, this is reflected in his interaction and care for his patients that allows his expertise to be seen within the service that he provides.


Laurence E. Mermelstein, M.D. is a proud member of the Back Pain Centers of America network.

  • Orthopaedic Surgeon
  • Board Certified
  • Fellowship Trained
Area of Focus
  • Degenerative Spine
  • Spinal Deformity
  • Trauma
  • Tumor / Infection
  • American Academy of Orthopaedic Surgeons
  • North American Spine Society
  • Scoliosis Research Society
Hospital Affiliations
  • Huntington Hospital
  • Good Samartian Hospital
  • North Shore Univ. Hospital

Laurence E. Mermelstein MD has 4 locations.