Brian-Fred M. Fitzsimmons, MD

Chair, Associate Professor


  • Froedtert Hospital
  • Neurosciences - Froedtert Hospital Clinic


  • Neurology


  • English

Contact Information


  • MD - Doctor of Medicine



Associate Professor, Neurosurgery and Radiology


Adult Neurology

Areas of Expertise

Acute Stroke Therapy
Arterial Venous Malformation of the Brain & Spine
Brain Aneurysm
Carotid Artery Disease
Endovascular Neurosurgery
Interventional Neuroradiology
Intracranial Angioplasty and Stenting
Pre-Operative Embolization of Head, Neck & Spine Tumors
Stroke, Cerebral Aneurysms and Brain Hemorrhage
Hereditary Hemorrhagic Telangiectasia (HHT)


Internship, Internal Medicine, Massachusetts General Hospital, Boston, 1996-1997

Residency, Neurology, Columbia University Medical Center, New York, NY, 1997-2000

Fellowship, Stroke and Cerebrovascular Diseases, Columbia University Medical Center, New York, NY, 2000-2001

Fellowship, Neurological Intensive Care, Columbia University Medical Center, New York, NY, 2001-2002

Fellowship, Interventional Neuroradiology, New York University Medical Center, New York City, NY, 2004-2006

Research Interests

Dr. Fitzsimmons research interests include the application and development of novel endovascular techniques for the treatment of acute stroke, with the intention of improving the safety and efficacy of such treatments, and increasing the number of patients who may be eligible to benefit from these treatments in the future.