Starting July 1, 2024, Minnesota Sleep Institute providers and staff are joining Allina, and NorthStar Sleep Center will become Allina Health Sleep Center - Coon Rapids.

Different name, same great care.

Continue to visit our website for updates leading up to the transition. | Frequently Asked Questions.

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Charles O. Gensmer, M.D.

Dr. Charles Gensmer graduated from the University of Minnesota Medical School, and completed his residency in Internal Medicine and fellowship in Pulmonary Medicine at the University of Cincinnati. Dr. Gensmer is board-certified in Internal Medicine, Pulmonary Disease and Sleep Medicine.