Visitor Policy Effective 5/5/2022: TWO VISITORS at this time
COVID-19 updates - Testing & Treatment available at our Urgent Care locations

X-ray services at Lowell General Chelmsford - 10 Research Place are temporarily suspended. 

Mark A. Lapp MD

Mark A. Lapp, MD

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Roles & Responsibilities

  • Surgeon


  • Surgical Services
  • The Orthopedic Center


  • Orthopedics

Board Certification

  • AB of Orthopaedic Surgery, Certified



Primary Office Location

Additional Office Locations


Medical School

  • State University of New York at Stony Brook School of Medicine
    Stony Brook, NY


  • Orthopedic
    New England Medical Center
    Boston, MA


  • Surgery, Spine
    Washington University School of Medicine
    St. Louis, MO


  • Complex spinal reconstructive procedures
  • Revision surgery
  • Cervical, thoracic, and lumbar spine surgery
  • Minimally invasive spine procedures
  • Non-operative and surgical spinal disorders in adult and pediatric patients

Keeping You Connected!

There are a number of ways to stay up to date with Lowell General Hospital. Learn more about the latest health updates on COVID-19, nutrition and wellness information available in our health library, and current hospital news and resources.