Undergraduate Marquette University (1987)
Medical School Universidad Central Del Caribe (1992), Medicine

Specialty Areas

Clinical Interest

  • Amaurosis Fugax
  • Aphasia
  • Basilar Occlusion & Stenosis
  • Binswanger's Disease
  • Brain Hemorrhage
  • Carotid Occlusion Stenosis
  • Carotid Stenosis
  • Central Nervous System (CNS) Vasculitis
  • Cerebral Artery Occlusion/Stenosis
  • Cerebral Ischemic Disease
  • Cerebral Sinus Thrombosis
  • Cerebral Vasculitis
  • Fabry's Disease with Stroke or Transient Ischemic Attack (TIA)
  • Fibromuscular Dysplasia with Stroke or Transient Ischemic Attack (TIA)
  • Hypercoagulable States with Stroke or Transient Ischemic Attack (TIA)
  • Lacunar Stroke (Small Vessel Disease)
  • Moyamoya Disease
  • Retinal Artery Occlusion
  • Spinal Stroke
  • Stroke
  • Thrombosis
  • Transient Ischemic Attack (TIA)
  • Vertebral Dissection
  • Vertebral Occlusion & Stenosis

Research Interest

  • Large Vessel Disease Ischemia
  • Preventative agents in Stroke
  • Reactivation of Stroke Symptoms
  • Small Subcortical Strokes
  • Transcranial doppler changes Post radiation


Featured Publications LegendFeatured Publications

Neurologic Presentations of Infective Endocarditis

Johnson, MD; Johnson, CD Neurologic Clinics: Neurology and Systemic Disease February 2010 1/28 311-321

Transcranial Doppler: An Introduction for Primary Care Physicians

Kassab MY, Majid A, Farooq MU, Azbary H, Hershey LA, Bednarczyk EM, Graybeal DF, Johnson MD J Am Board Fam Med January 2007 20 65-71

Honors & Awards

  • Stroke Voluntee Award
    Dallas/Fort Worth and East Texas AHA South Central Affiliate (2007)
  • Gold Level of service PACT
    Employee Recognition Program (2006)
  • Trephined Cranium Award
    Resident Award for Excellence in Teaching (2005)
  • American Academy of Neurology Scholarship for Residents
    Selected by faculty in residency program (96)
  • Alpha Omega Alpha
    Since medical school cum laude graduation (92)

Professional Associations/Affiliations

  • American Academy of Neurology
  • American Society of Neuroimaging
  • American Stroke Association
  • Neurocritical Care Society
  • World Stroke Organization