About DHC
George R. Nissan, D.O.
(Co-Director, Diamond Headache Clinic)
“We set a different criteria here of spending time with our patients and making sure they understand everything. It's very proactive and empowering. They should leave our clinic knowing their options and how we can work together to make their lives better. Through better communication; better follow-up; and better accessibility, we're making a real difference.”
Dr. Nissan graduated with honors from the University of Texas, in Austin, and completed his medical education at the Chicago College of Osteopathic Medicine/Midwestern University. He completed a residency in Internal Medicine at Methodist Hospital in Dallas, and served as chief resident from 2001-2002. He is board certified in internal medicine, and is a member of the American College of Physicians, National Headache Foundation and American Headache Society. He has received Subspecialty Certification for Headache Medicine from the United Council for Neurologic Subspecialties. Dr. Nissan is a Clinical Assistant Professor of Medicine at The Chicago Medical School of Rosalind Franklin University of Medicine and Science, and Lecturer in Medicine (Neurology), Loyola University Chicago/Stritch School of Medicine. He joined the staff of the Diamond Headache Clinic in 2003, and is currently an attending physician in internal medicine at Saint Joseph Hospital in Chicago. His practice incorporates outpatient and inpatient management of migraine, cluster and chronic daily headache patients. He is the Director of Research for the clinic, and has conducted clinical trials on several headache medications. He has lectured on headache topics to doctors and the general public during his career, and has published articles on headache for public and medical journals. He was recognized as one of America's Top Physicians in Internal Medicine by Consumers’ Research Council of America in 2008.

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