Mark Johnson, M.D.

Medical School	Universidad Central del Caribe (1992)
Internship	George Washington University Hosp. GME Office (1993), Internal Medicine
Residency	George Washington University Hosp. GME Office (1996), Neurology
Fellowship	George Washington University Hosp. GME Office (1997), Vascular Neurology
Fellowship	Hermann Hospital (1998), Neurocritical Care

• Neurology
• Neurosciences
• Stroke

• Primary Interests
• 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 Diease with Stroke or Transient Ischemic Attack (TIA)
• Fibromuscular Dysplasia with Stroke or Transient Ischemic Attach (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 Attacks (TIA)
• Vertebral Dissection
• Vertebral Occlusion & Stenosis

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

Featured 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

• 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)

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