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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 Comprehensive 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.

UC San Diego Health Links

For more information, see Neurological Care and Stroke Care.

Medical DegreeFreie Universität Berlin, Berlin, GermanyFellowshipPhilipps-Universität Marburg, Marburg, GermanyFellowshipUC San Diego, School of Medicine, San Diego, CAResidencyNew York Presbyterian Hospital, New York, NYInternshipNew York University School of Medicine, New York, NY
GenderMale
LanguagesGerman
Date Joined Staff2004-08-08
Board Certifications
NeurologyVascular 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
  • Stroke
  • Cerebrovascular Accident
Neurology

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News

Thomas Hemmen, MD, PhD, vascular neurologist and director of the Stroke Center at UC San Diego Health
UC San Diego Health Nationally Recognized for Stroke and Diabetes Care

American Heart Association honors the region’s only academic medical center with multiple awards for its commitment to treating patients with heart disease and stroke.

Quick Action Saves Stroke Patient at UC San Diego Health
Quick Action Saves Stroke Patient at UC San Diego Health

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.

Open Payments Program Notification

For informational purposes only, a link to the federal Centers for Medicare and Medicaid Services (CMS) Open Payments web page is provided here. The federal Physician Payments Sunshine Act requires that detailed information about payment and other payments of value worth over ten dollars ($10) from manufacturers of drugs, medical devices, and biologics to physicians and teaching hospitals be made available to the public.

View Open Payments Data for Dr. Hemmen