Dr. David Sieger

William Mackenzie is an Orthopedics provider in Wilmington, Delaware. Dr. Mackenzie is highly rated in 59 conditions, according to our data. His top areas of expertise are Mucopolysaccharidosis Type 4 (MPS IV, Morquio Syndrome), Brachydactyly Mononen Type, Achondroplasia, Osteotomy, and Spinal Fusion.

Dr. Khaled Kebaish serves as chief of the Spine Division in the Department of Orthopaedic Surgery. He is a professor of orthopaedic surgery and neurological surgery at the Johns Hopkins University School of Medicine. His areas of clinical expertise include spine deformities and scoliosis, degenerative spine disorders, spine tumors and disc arthroplasty. Dr. Kebaish earned his M.D. from Cairo University. He completed his residency at University of Toronto in Toronto, Canada, and performed a fellowship in spinal reconstructive surgery at Johns Hopkins. Dr. Kebaish's research interests include the clinical and functional outcomes of spine surgery with a special focus on adult deformity surgery. He also focuses on the biomechanical testing and evaluation of different fixation devices and techniques in the adult spine. Dr. Kebaish is highly rated in 11 conditions, according to our data. His top areas of expertise are Kyphosis, Lordosis, Scoliosis, Osteotomy, and Spinal Fusion.

Javad Parvizi is an Orthopedics provider in Philadelphia, Pennsylvania. Dr. Parvizi is highly rated in 14 conditions, according to our data. His top areas of expertise are Infectious Arthritis, Septic Arthritis, Venous Thromboembolism (VTE), Knee Replacement, and Hip Replacement.