Brittany Wilkinson Mitochondrial Disease Research and Treatment Enhancement Act

Brittany Wilkinson Mitochondrial Disease Research and Treatment Enhancement Act - Amends the Public Health Service Act to establish the Office of Mitochondrial Disease within the National Institutes of Health (NIH). Requires the Director of the Office to develop, make publicly available, and implement a written plan to facilitate and coordinate research into mitochondrial disease.

Authorizes the Director to award grants for: (1) integrated, multi-project research programs related to mitochondrial disease and planning activities associated with such programs; and (2) the establishment of Mitochondrial Disease Centers of Excellence to promote interdisciplinary research and training related to mitochondrial disease.

Requires the Director of the Centers for Disease Control and Prevention (CDC) to establish: (1) a national registry of medical information collected from patients with mitochondrial disease for research purposes; and (2) a national biodepository of tissues and DNA collected from patients with mitochondrial disease for research purposes.