Dr. Mark A. Lapp, MD

Dr. Mark A. Lapp, MD

Orthopedic Surgeon at Orthopaedic Surgical Associates

Meet Dr. Mark A. Lapp, MD

Dr. Mark Lapp is a board certified, fellowship-trained orthopedic spine surgeon in North Chelmsford, MA who specializes in the breadth of orthopaedic spine surgery. Areas of expertise include complex spinal reconstructive procedures, revision surgery, cervical, thoracic, and lumbar spine surgery, and minimally invasive spine procedures. He has a broad background in the care of non-operative and surgical spinal disorders in both adults and children.

Orthopaedic Surgical Associates is an integrated team whose single goal is to provide the most advanced and effective care for patients with orthopaedic injuries, with an individualized approach and treatment plan that gets each patient back to health as quickly as possible. Dr. Lapp works in collaboration with Dr. Atul L. Bhat, MD, North Chelmsford, MA, 01863 at Orthopaedic Surgical Associates.

Directions to our primary location in

North Chelmsford, MA

How Dr. Mark A. Lapp, MD Can Help You


  • Orthopedic Surgeon


  • Cervical Spine Disorders
  • Coccydynia
  • Degenerative Spinal Conditions
  • Herniated Disc / Bulging Disc
  • Ligament strain
  • Lumbar Spine Disorders
  • Muscle Pain / Muscle Strain
  • Myelopathy
  • Osteoarthritis
  • Osteoporosis
  • Piriformis Syndrome
  • Sacroiliac Joint Dysfunction
  • Sciatica / Radiculopathy
  • Scoliosis and Deformity
  • Spinal Stenosis
  • Spondylolisthesis
  • Thoracic spine disorders
  • Trauma
  • Tumors


  • Artificial Disc Replacement - Lumbar
  • Discectomy
  • Exercise
  • Kyphoplasty
  • Lower Back Surgery
  • Minimally Invasive Surgery
  • Neck Surgery
  • Physical Therapy
  • Scoliosis Surgery
  • Spinal Fusion
  • Upper Back Surgery
  • Vertebroplasty

Accolades for Dr. Mark A. Lapp, MD

Professional Distinctions

  • Fellowship Training in Spinal Surgery
  • Assistant Clinical Professor of Orthopaedic Surgery - Tufts University School of Medicine

Professional Affiliations

  • North American Spine Society
  • Scoliosis Research Society
  • American Academy of Orthopaedic Surgeons

Board Certifications

  • Board Certified, American Board of Orthopaedic Surgery

Office Information for Dr. Mark A. Lapp, MD

14 Research Place
Suite 200
North Chelmsford, MA 01863
Get Directions

Primary Location:

14 Research Place
Suite 200
North Chelmsford, MA 01863

Orthopaedic Surgical Associates

Lowell General Hospital

Mark A. Lapp, MD

Additional Locations

506 Groton Road
Westford, MA 01886
Driving directions
98 Spit Brook Road
Unit 102
Nashua, NH 03062
Driving directions

Profile last updated: April 11, 2017. This information was supplied by or on behalf of the provider.