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  • Bryan Lee, MD

    Bryan Lee, MD, is a neurosurgeon in the Department of Neurosurgery at Barrow Neurological Institute.

    Dr. Lee specializes in minimally invasive spine surgery and complex spinal deformity correction. He treats spinal deformities, spinal degenerative diseases, cranial and spinal trauma, and brain and spinal tumors. He is a member of the American Association of Neurological Surgeons, AOSpine North America, the Congress of Neurological Surgeons, and the North American Spine Society.

    Dr. Lee earned his medical degree from the Loma Linda University School of Medicine in California. He completed his residency in neurosurgery and a fellowship in spine surgery at Cleveland Clinic.

    Dr. Lee’s research interests include comparative analyses of clinical outcome data to optimize health-related quality of life in patients and clinical and biomechanical studies of the latest technology to treat complex spinal diseases.

    To request an appointment with Dr. Lee, please call (623) 562-5050.

    Nicki Niemann, MD

    Nicki Niemann, MD, is a neurologist in the Muhammad Ali Parkinson Center and an assistant professor of neurology at Barrow Neurological Institute. He is board certified in neurology by the American Board of Psychiatry and Neurology.

    Dr. Niemann’s expertise includes the diagnosis and management of Parkinson’s disease and other movement disorders. He is a member of the American Academy of Neurology and the International Parkinson and Movement Disorder Society.

    Dr. Niemann earned his medical degree from the University of Copenhagen in Denmark. He completed his neurology residency and a fellowship in movement disorders at Baylor College of Medicine in Houston.

    Dr. Niemann’s research interests include clinical trials and translational research in Parkinson’s disease and other movement disorders, genetics of Parkinson’s disease, and novel applications of botulinum toxin.

    To request an appointment with Dr. Niemann, please call (602) 406-6262.

    Paul MacDonald, MD

    Paul MacDonald, MD, is a neurologist in the Stroke Program and an Associate Professor of Neurology at Barrow Neurological Institute. He is board certified in neurology by the American Board of Psychiatry and Neurology, with subspecialty certifications in vascular neurology and clinical neurophysiology.

    Dr. MacDonald’s expertise includes the diagnosis and treatment of stroke and other neurovascular disorders. He is a member of the American Academy of Neurology and the American Heart Association.

    Dr. MacDonald earned his medical degree from the University of South Florida Morsani College of Medicine in Tampa. He completed his neurology residency at Emory University, where he also trained as a fellow in clinical neurophysiology with an emphasis on neuromuscular disease. He later completed a fellowship in neurovascular disease at the University of Florida in Gainesville.

    To request an appointment with Dr. MacDonald, please call (602) 406-6262.

    Ryan Rehl, MD

    About Barrow Neurological Institute

    Since our doors opened as a regional specialty center in 1962, we have grown into one of the premier destinations in the world for neurology and neurosurgery. Our experienced, highly skilled, and comprehensive team of neurological specialists can provide you with a complete spectrum of care–from diagnosis through outpatient neurorehabilitation–under one roof. Barrow Neurological Institute: Discover. Educate. Heal.