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Meet the Orthopaedics Physicians
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Bones, Muscles & Joints (Orthopaedics)

Meet the Orthopaedics Physicians

Leonard P. Seimon, MD

Orthopaedic Surgery
Practice Specialty
Pediatrics - Orthopaedic Surgery, Surgical Specialties
Medical Education
University of Witwatersrand, S. Africa
Coronation Hospital, Johannesburg General Hospital
Main Location
Montefiore Greene Medical Arts Pavilion
3400 Bainbridge Avenue
Bronx, NY 10467-2404
Phone: (718) 920-2060
Fax: (718) 653-1587
Get Directions | View Map
More Locations Show More Locations
Montefiore Medical Center
111 East 210th Street
Bronx, NY 10467-2401
Phone: (718) 920-2060
Fax: (718) 653-1587
Get Directions | View Map
Montefiore Westchester Square
2475 Saint Raymonds Avenue
Bronx, NY 10461-3124
Phone: (718) 920-2060
Get Directions | View Map
Academic Title
Professor, Orthopaedic Surgery and Pediatric
Administrative Title
Attending, Orthopaedic Surgery
Clinical Focus
Common and rare congenital and developmental orthopaedic conditions, neuro-muscular disorders such as cerebral palsy, spina bifida, poliomyelitis, muscular dystrophies and musculo-skeletal syndromes such as scoliosis
Research Focus
Dr. Seimon’s major focus is the teaching of residents covering all aspects of orthopaedics with one-on-one lectures, case presentations and discussions. Emphasis is placed on the taking of patients’ histories and how to do a comprehensive physical examination. They learn the importance of being empathetic with families.
Dr. Seimon earned Bachelor of Medicine and Bachelor of Surgery degrees from the University of the Witwatersrand in Johannesburg, South Africa and was a Fellow of the Royal College of Surgeons in Edinburgh, Scotland. He received a Masters of Orthopaedic Surgery in Livepool, England in 1961. Dr. Seimon completed his residency at Robert Jones and Agnes Hunt Orthopaedic Hospital in the United Kingdom. He was an assistant professor at Einstein and an instructor of orthopaedics at Jacobi Hospital from 1963-1965. He spent the next thirteen years running a private practice in Durban, South Africa. In 1991, Seimon became Director of Orthopaedics at Blythedale Children's Hospital in New York. Dr. Seimon has extensive experience in tuberculosis spine, bone and joint infections, poliomyelitis, low back disorders, joint arthroplasty and arthrodesis. Since 1998, he has focused on pediatric patients.