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Expert Staff


A neurologist and recognized expert in Parkinson's disease, Dr. Joseph Friedman is the chief of the Butler Hospital's new Movement Disorders Program. He received his medical degree from the Columbia University College of Physicians and Surgeons and completed his residency in neurology at the Neurological Institute of New York. A professor and chief of the division of Movement Disorders in the Department of Neurology at The Warren Alpert Medical School of Brown University and adjunct professor in the School of Pharmacy at the University of Rhode Island, Dr. Friedman is a recognized researcher in the treatment and study of Parkinson's and related movement disorders.

Actively involved in research on movement disorders, Dr. Friedman's primary focus is Parkinson's and Huntington's disease and drug induced movement disorders. He is currently studying the behavioral aspects of Parkinson's disease and fatigue in Parkinson's disease, an area that has been little explored.

He is an active member in the Parkinson and the Huntington Study Groups, and participates in multicenter trials sponsored by the NIH, Michael J. Fox Foundation, pharmaceutical companies and single-center unfunded studies. His most current research is studying fatigue and psychosis affecting people with Parkinson's, as well as the genetic causes of the illness. He is also working collaboratively with Butler's psychiatrists and psychologists on treatment and research addressing the behavioral aspects of movement disorders. A fellow of the American Academy of Neurology, Dr. Friedman serves on the editorial board of Parkinsonism and Related Disorders and is editor in chief of Medicine & Health, Rhode Island. He was a member of the National Institute of Health's committees to define depression and psychosis in Parkinson's and was chosen by the International Movement Disorders Society to help evaluate rating scales for fatigue and psychosis in the disease.

Dr. Friedman has authored two books:

Dr. Friedman has also authored or co-authored hundreds papers, abstracts, and book chapters on a variety of topics related to movement disorders and has also made numerous professional presentations throughout the U.S. and around the world.

Victoria Chang Victoria Chang, MD, completed her residency in neurology at Brown and a two-year fellowship in movement disorders at Columbia University Medical Center Neurological Institute.




Umer Akbar

Umer Akbar, MD, received his medical degree from the Medical University of the Americas. He completed his residency in neurology at Cooper University Hospital in Camden, New Jersey and a fellowship in movement disorders at the University of Florida.

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