Beginning March 22, 2021, The Pediatric Orthopedic Center will begin seeing walk-in patients in the Cedar Knolls office only. Walk-in appointments at our Cedar Knolls office will be available Monday-Thursday 5 pm – 7 pm and Saturday 10 am – 2 pm.
Verify the date and time of your appointment. You may be required to complete new patient paperwork or provide personal information prior to being seen by your doctor. Please arrive approximately 30 minutes prior to your appointment time.
Confirm the address and location of your appointment. The Pediatric Orthopedic Center has four convenient locations in New Jersey. Confirm with the front desk staff the office location for your visit.
Be aware of travel issues and delays. Be mindful of any driving conditions, road construction detours and parking requirements to ensure you arrive for your appointment on time.
Mon:09:00 AM - 06:00 PM
Tue:09:00 AM - 06:00 PM
Wed:09:00 AM - 06:00 PM
Thu:09:00 AM - 06:00 PM
Fri:09:00 AM - 06:00 PM
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 match 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 update New York.
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 Your 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.
Morristown Medical Center
Overlook Medical Center
Short Hills Surgery Center
NYU Langone Medical Center
The Children's Hospital of Philadelphia
Saint Barnabas Medical Center
Doctorate of Medicine , University of Connecticut School of Medicine, Farmington
Orthopedic Surgery, Long Island Jewish Medical Center, North New Hyde Park
Alfred I. duPont Hospital for Children, Pediatric Orthopedic, New Castle County
Long Island Jewish Medical Center, Surgical Internship, North New Hyde Park