Mark Rieger

Pediatric Orthopedic Surgery


  • Cedar Knolls
    Office Hours


    09:00 AM - 05:00 PM 05:00 PM - 08:00 PM


    09:00 AM - 05:00 PM 05:00 PM - 08:00 PM


    09:00 AM - 05:00 PM 05:00 PM - 08:00 PM


    09:00 AM - 05:00 PM 05:00 PM - 08:00 PM


    08:00 AM - 05:00 PM


    10:00 AM - 02:00 PM

About Mark Rieger

Mark Rieger, MD is a board certified pediatric orthopedic surgeon and the founding partner and senior physician at The Pediatric Orthopedic Center. His expertise in trauma, sports medicine, arthroscopy, scoliosis, clubfoot and hip disorders is matched only by his compassion for his patients. His knee and shoulder arthroscopy skills earned him recognition as one of the “Top 100 Minimally Invasive Surgeons in the Tri-State Area” by New York magazine.

He earned his medical degree at the University of Connecticut School of Medicine and completed his surgical internship and orthopedic surgical residency at Long Island Jewish Medical Center. Dr. Rieger was a pediatric orthopedic fellow at the internationally acclaimed Alfred I. DuPont Hospital for Children and has served as Chief of Pediatric Orthopedics at Morristown Medical Center. He is an Assistant Professor at NYU Langone Medical Center, where he performs scoliosis surgery as a member of an internationally recognized spine center.

Dr. Rieger is a fellow of the American Academy of Orthopedic Surgeons (AAOS), the Pediatric Orthopedic Society of North America (POSNA), the Scoliosis Research Society (SRS), and the Orthopedic Research Society (ORS). Because of this expertise, he is a frequently requested speaker and lecture extensively to physicians, nurses, physical therapists, trainers and parents to educate and pass on his experience and knowledge to the next generation.

In his free time, he enjoys spending time with this family and friends, reading, traveling, rowing and relaxing at his favorite lake in upsate New York.

Magazine Awards

  • Bone & Joint Surgery Select, New Jersey Monthly, 2021
  • New Jersey Top Doctors – Pediatric Orthopedics, New Jersey Monthly, 2006-2021
  • Favorite Kids’ Docs – Pediatric Orthopedics, New Jersey Family, 2009–2021
  • Top Doctor, Inside Jersey, 2011-2019


  • Best Doctor in America, 2007-2010
  • Patient’s Choice, 2012-2015
  • Most Compassionate Doctor, 2011
  • Who’s Who 2019

Professional Affiliations

  • American Academy of Orthopedic Surgeons
  • Pediatric Orthopaedic Society of North America
  • Scoliosis Research Society
  • American Medical Association
  • The Orthopedic Research Society
  • New Jersey Orthopedic Society
  • Medical Society of New Jersey

Pediatric Orthopedic Interests

  • Pediatric sports injuries
  • Fracture care
  • Sports medicine and arthroscopy
  • Scoliosis
  • Clubfoot
  • Hip disorders

Noteworthy Accomplishments

Dr. Rieger was chosen by the current White House to be available to provide pediatric orthopedic care for the children and grandchildren of the President and Vice President’s families while in New Jersey.

Dr. Rieger is a member of New York University Langone Hospital spine service, the first pediatric orthopedist on staff at Morristown Medical Center, the first in New Jersey to perform endoscopic spine surgery and hip ultrasound and be certified in Ponseti clubfoot technique.

He also volunteered his time and expertise as part of a medical mission to Egypt to treat children with complex pediatric orthopedic conditions and teach orthopedic surgeons.

Hospital Affiliations:

NYU Langone Medical Center

Morristown Medical Center

Overlook Medical Center

Short Hills Surgery Center

Saint Barnabas Medical Center

The Children's Hospital of Philadelphia


Doctorate of Medicine, University of Connecticut School of Medicine, Farmington


Pediatric Orthopedist


Orthopedic Surgery, Long Island Jewish Medical Center, North New Hyde Park


Alfred I. duPont Hospital for Children, Pediatric Orthopedic, New Castle County



Accepting New Patients:




Long Island Jewish Medical Center, Surgical Internship, North New Hyde Park