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Our Physicians

At the Center for Neurosciences, we work as a team across specialties to provide the most caring and comprehensive approach to treatment.

Shannah Biggan, PhD, ABPP

Dr. Biggan earned her master’s and doctoral degrees at Queen’s University and the University of Victoria in British Columbia. She completed her pre-doctoral Internship at the University of Arizona Health Sciences Center and her postdoctoral residency at HeathSouth Rehabilitation Institute of Tucson.

Dr. Biggan is board-certified in Clinical Neuropsychologist and is a member of the American Academy of Clinical Neuropsychology. She performs neuropsychological evaluations for children and adults, as well as medico-legal evaluations. She also runs a community support group for survivors of traumatic brain injury. Dr. Biggan has been a practicing Neuropsychologist in Tucson since 1998 and joined the Center for Neurosciences in 2016.

  • Specialty: Adult and Pediatric Neuropsychology
  • Special Areas of Expertise: Adult Neuropsychology, Medico-Legal Evaluations, Traumatic Brain Injury