Faculty

Brief Bio

Robert Bina, MD, PhD
Robert Bina, MD

Interim Chair
Residency Program Director

Medical School: University of Arizona College of Medicine – Phoenix 
Residency: Neurosurgery, University of Arizona College of Medicine – Tucson 
Fellowship: Functional Neurosurgery and Epilepsy Surgery, University of Louisville, Louisville, KY 

Joseph Georges, DO

Joseph Georges, DO, PhD

Medical School: Arizona College of Osteopathic Medicine, Glendale, AZ
Residency: Neurosurgery, Philadelphia College of Osteopathic Medicine, Philadelphia, PA
Fellowship: Neurosurgical Oncology, City of Hope National Medical Center, Duarte, CA

Jeyan Kumar, MD

Jeyan Kumar, MD

Medical School: Chicago Medical School at the Rosalind Franklin University
Residency: Neurosurgery, University of Virginia
Fellowship: Neuro-endovascular, Mayo Clinic, Jacksonville

Peter Nakaji, MD

Peter Nakaji, MD

Medical School: University of California San Diego School of Medicine
Residency: Neurosurgery, University of California, San Diego School of Medicine 
Fellowship: Cerebrovascular/Skull Base Surgery, Barrow Neurological Institute, Phoenix, AZ

Michael Prim, MD

Michael Prim, MD

Medical School: University of Texas Health Science Center, Houston, TX
Residency: Neurosurgery, St. Louis University School of Medicine, St. Louis MO
Fellowship: Complex Spine Fellowship, Banner University Medical Center, Phoenix, AZ

Sananthan Sivakanthan, MD

Sananthan
Sivakanthan, MD

Medical School: University of South Florida, Tampa, FL
Residency: Neurosurgery, University of Washington, Seattle, WA
Fellowship: Spine, Banner University Medical Center, Phoenix, AZ

Mazen Zaher, DO

Mazen Zaher, DO

Medical School: Michigan State University College of Osteopathic Medicine, Lansing, MI
Residency: Neurosurgery, Cooper Medical School of Rowan University, Camden, NJ
Fellowship: Cerevbrovascular/Skull Base, Banner University Medical Center, Phoenix, AZ