Marc A. Lazzaro, MD

Associate Professor


  • Neurosciences - Froedtert Hospital Clinic
  • 900 N. 92nd St.
  • Milwaukee, WI 53226


  • Neurosurgery
  • Neurology

Neuroscience Center - Froedtert Hospital Specialty Clinics

Offering a diagnosis and a minimally invasive therapy is only half the pleasure in taking care of patients, the rest is in the relationships.


Diseases and Conditions

  • Brain Aneurysm
  • Carotid Stenosis
  • Cerebral Aneurysms
  • Cerebral Venous Disorders
  • Cerebrovascular Disease
  • Ischemic Stroke
  • Stroke
  • Dural Arteriovenous Fistulas
  • Transient Ischemic Attack
  • Intracranial Stenosis
  • Cerebrovascular Accident (CVA)
  • Carotid Cavernous Fistula (CCF)
  • Spinal Dural Arteriovenous Fistula
  • Spinal Arteriovenous Malformation
  • Intracranial Arterial Stenosis

Treatments and Services

  • Cerebral Angiography
  • Endovascular Aneurysm Repair
  • Endovascular Neurosurgery
  • Wada Test
  • Inferior Petrosal Sinus Sampling
  • Vertebral Artery Stenosis
  • Carotid Stenting
  • Endovascular Thrombectomy
  • Tumor Embolization
  • Dural Arteriovenous Fistula Embolization
  • Venous Sinus Stenting
  • Arteriovenous Malformation (AVM) Embolization
  • Virtual Visit

Patients Ages Seen

  • Adult
  • Senior


  • English

Hospital Affiliations

  • Froedtert Hospital – Milwaukee

Board Certifications

  • Neurology
  • Vascular Neurology
  • NeuroEndovascular Surgery

Clinic Locations


Dr. Lazzaro is a specialist in Vascular Neurology and Endovascular Surgical Neuroradiology who uses minimally invasive techniques to treat blood vessel disorders of the brain and spine.  He is a Fellow of the American Heart Association (FAHA). Dr. Lazzaro has received Subspecialty Board Certification in NeuroEndovascular Surgery by The Society of Neurological Surgeons Committee on Advanced Subspecialty Training.

Education and Training

Doctor of Medicine - Indiana University School of Medicine - Indianapolis, IN (2005)
Internship - Rush University Medical Center - Chicago, IL (2005-2006)
Residency, Neurology - Rush University Medical Center - Chicago, IL (2006-2009)
Fellowship, Vascular Neurology - Rush University Medical Center - Chicago, IL (2009-2010)
Fellowship, Endovascular Surgical Neuroradiology - Medical College of Wisconsin - Milwaukee, WI (2010-2012)