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About Thomas Hemmen, MD, PhD
Thomas Hemmen, MD, PhD, is a board-certified vascular neurologist. His expertise includes caring for patients with stroke, cerebrovascular diseases, and those who require neurological critical care. Dr. Hemmen directs the stroke center at UC San Diego Health and was instrumental in establishing the center as the first certified Stroke Center of Excellence in San Diego County.
Within the Department of Neurosciences, Dr. Hemmen directs the Stroke Fellowship Program. As a professor at UC San Diego School of Medicine, he provides leadership and education to medical students, residents and fellows.
Dr. Hemmen is the lead investigator for numerous clinical trials in cerebrovascular disease. He investigates the use of neuroprotection and reperfusion therapies after acute ischemic stroke, as well as stroke prevention, recovery and research in intracerebral hemorrhage. Dr. Hemmen also leads the cerebrovascular research and trial coordination center that conducts national and international collaborative trials and researches new cures in all areas of cerebrovascular medicine.
He completed a neurology residency at New York-Presbyterian Hospital, The University Hospital of Columbia and Cornell, serving as chief resident. Dr. Hemmen completed a fellowship in stroke and vascular neurology at UC San Diego School of Medicine, and a fellowship in neurological intensive care at Philipp University of Marburg in Germany. He earned his medical degree from the Free University of Berlin. He is board certified neurology and vascular neurology.
- Freie Universität Berlin, Berlin, Germany
- Philipps-Universität Marburg, Marburg, Germany
- UC San Diego, School of Medicine, San Diego, CA
- New York Presbyterian Hospital, New York, NY
- New York University School of Medicine, New York, NY
Date Joined Staff
- Vascular Neurology
Conditions and Treatments
- Cerebrovascular Disease
- Treatment Strategies in Stroke Prevention
- Thrombolytics for Treatment of Acute Stroke
- Laser Therapy and Hypothermia After Stroke
- Induced Hypothermia
- Cerebrovascular Accident
- Light-headedness and weakness were the first signs that Tony Zand was suffering a stroke. Quick action and specialized treatment by physicians at UC San Diego Health’s Comprehensive Stroke Center helped him recover fully.