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Barrow Neurological Institute


Barrow Acoustic Neuroma Team Members

Barrow Neurological Institute of St. Joseph's Hospital and Medical Center, Phoenix, Arizona




The Barrow Acoustic Neuroma Center's multi-disciplinary team members meet regularly to develop treatment plans, discuss outcomes, and review research and develop cutting edge treatment techniques. Team members are specialists in a wide variety of disciplines; all have developed an expertise in the treatment of acoustic neuroma. The team is led by co-directors Randall Porter, MD and Peter Weisskopf, MD.

Randall W. Porter, MD

Director, Interdisciplinary Skull Base Program
Co-Director, CyberKnife
Co-Director, Acoustic Neuroma Center

Peter A. Weisskopf, MD, FACS

Head, Neurotology Section
Gamma Knife and CyberKnife Stereotactic Radiosurgery Teams
Co-Director, Acoustic Neuroma Center
Skull Base Team

Maggie Varland, RN, BSB

Neuroscience Program Coordinator
Acoustic Neuroma Team
Skull Base Team

John Ashman, MD, PhD

Gamma Knife and CyberKnife Stereotactic Radiosurgery Teams
Acoustic Neuroma Team
Skull Base Team

Shelley Baltodano, MS, CCC-A

Acoustic Neuroma Team
Audiologist–Cochlear Implant & ABI Specialist

C. Phillip Daspit, MD

Gamma Knife and CyberKnife Stereotactic Radiosurgery Teams
Acoustic Neuroma Team
Skull Base Team
Clinical Professor of Surgery (Otolaryngology), University of Arizona Health Sciences Center, Tucson, Arizona

Terry D. Fife, MD, FAAN

Director, Vestibular Testing Laboratory
Acoustic Neuroma Team

John J. Kresl, MD, PhD

Vice Chairman, Department of Radiation Oncology
Co-Medical Director, CyberKnife Program
Assistant Director, Center for Thoracic Disease (Barrow and St. Joseph´s Hospital and Medical Center)
Gamma Knife and CyberKnife Stereotactic Radiosurgery Teams
Acoustic Neuroma Team
Skull Base Team

Vinodh Narayanan, MD

Co-Director, Pediatric Neurogenetics Center
Director, Neurofibromatosis Clinics
Director, Developmental Neurogenetics Lab
Acoustic Neuroma Team

Andrew Shetter, MD

Director, Pain and Stereotactic Neurological Program
Co-Director of the Gamma Knife Center
CyberKnife Stereotactic Radiosurgery Team
Acoustic Neuroma Team
Skull Base Team
Clinical Associate Professor of Surgery, University of Arizona College of Medicine, Tucson, Arizona
Chairman, Section of Functional Stereotactic Neurosurgery

Robert F. Spetzler, MD

Neurosurgery – Medical Director
Director, Barrow Neurological Institute
J.N. Harber Chair of Neurological Surgery
Barrow Acoustic Neuroma and Skull Base Teams
Chairman and President, Barrow Neurological Associates
Professor of Surgery, Section of Neurosurgery, University of Arizona College of Medicine, Tucson, AZ

Mark J. Syms, MD

CyberKnife Stereotactic Radiosurgery Team
Acoustic Neuroma Team
Skull Base Team