Spine Surgeons 
 
 
 
 
David Duffner, MD, MBA  
Dr. Duffner received his undergraduate degree in Biological Chemistry at Tulane University in 1974. He attended medical school at the University of Oklahoma, then completed his internship and orthopedic residency at Scott and White Clinic, Texas A&M School of Medicine, followed by a fellowship in adult reconstructive orthopedics in 1984 at the University of Basel in Switzerland. Dr. Duffner also earned an MBA in 1998 at the University of Houston. He has over 20 years' practical experience dealing with adult spine and joint problems and has practiced Level 1 Orthopedic Trauma for over 15 years.

Dr. Duffner has been a Diplomate member of the American Board of Orthopaedic Surgery since 1988 and a Fellow of the American Academy of Orthopaedic Surgeons since 1990. He is a member of the California and Riverside County Medical Associations and the North American Spine Society. He has presented and lectured extensively nationwide.
   
   
 
Javed Siddiqi, HBSc MD, DPhil (Oxon), FRCSC, FACS, Medical Director
 
Dr. Siddiqi attended the University of Western Ontario, Canada, where he earned a Bachelor of Science with Honors in Neurophysiology. He attended Oxford University on a Rhodes scholarship where he completed a Doctorate. Dr. Siddiqi earned his medical degree with honors at the University of Western Ontario where he also performed his residency training in the Department of Neurosurgery. Dr. Siddiqi then completed a Skull Base and Vascular Fellowship at the University of Arkansas for Medical Sciences. Dr. Siddiqi has published and presented research papers extensively in the United States and Canada.

Dr. Siddiqi is a Diplomate of the American Board of Neurological Surgery, is Board-Certified in Neurological Surgery by the Royal College of Surgeons of Canada, and a member of the North American Skull Base Society. Dr. Siddiqi's clinical specialties include General Neurosurgery, Skull Base Neurosurgery, Vascular Neurosurgery and Spine and Spinal Cord Surgery.