Dr. Pfeiffer specializes in Parkinson’s disease and other movement disorders. In addition to working with the OHSU Parkinson Center of Oregon and Movement Disorders Clinic, he collaborates with other specialties throughout OHSU, including gastroenterology and the Nerve Center to study GI dysfunction and motility disorders as well as autonomic dysfunction. He also facilitates and oversees clinical trials for Parkinson’s. He has been published extensively in his field and serves on a number of editorial boards.
- Neurology, Walter Reed Army Medical Center, Washington, D.C. 1974-1977
- American Board of Psychiatry and Neurology, 1979