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Dr. Mark A. Lapp, MD

Dr. Mark A. Lapp, MD

Orthopedic Surgeon at Orthopaedic Surgical Associates

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Meet Dr. Mark A. Lapp, MD

Dr. Lapp is a board-certified and fellowship-trained orthopedic surgeon with Orthopaedic Surgical Associates.

He has expertise in complex reconstructive spinal surgery, spinal revision surgery, and minimally invasive spine surgery.

Dr. Lapp at a Glance

  • He has a broad background caring for both non-surgical and surgical spinal disorders in adults and children alike.
  • He is an Assistant Professor of Orthopaedic Surgery at Tufts University and maintains an active research interest, presenting papers at the Scoliosis Research Society, the North American Spine Society, and the American Academy of Orthopaedic Surgeons.

Dr. Lapp is available to help you feel your best again. He 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

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


  • Orthopedic Surgeon


  • Brain Tumors
  • Cervical Spine Disorders
  • Coccydynia
  • Degenerative Spinal Conditions
  • Herniated Disc/Bulging Disc
  • Ligament Sprain
  • Lumbar Spine Disorders
  • Muscle Pain
  • Muscle Strain
  • Myelopathy
  • Osteoarthritis
  • Osteoporosis
  • Piriformis Syndrome
  • Sacroiliac (SI) Joint Dysfunction
  • Sciatica/Radiculopathy/Leg Pain
  • Scoliosis and Deformity
  • Spinal Stenosis
  • Spinal Tumors
  • Spondylolisthesis
  • Thoracic Spine Disorders
  • Trauma


  • Disc Surgery/Replacement
  • Exercise
  • Kyphoplasty/Vertebroplasty
  • Lower Back/Lumbar Spine Surgery
  • Minimally Invasive Surgery
  • Neck/Cervical Spine Surgery
  • Physical Therapy
  • Scoliosis Surgery
  • Spinal Fusion
  • Upper Back/Thoracic Spine Surgery

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

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14 Research Place
Suite 200
North Chelmsford, MA 01863
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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: July 18, 2018. This information was supplied by or on behalf of the provider.