General Dermatology Providers Barrett & Geiss Dermatology of Ohio is here for all your Dermatologic needs. Get Started Today General Dermatology Providers Barrett & Geiss Dermatology of Ohio is here for all your Dermatologic needs. Get Started Today MEET OUR TEAM David F. Geiss, D.O., FAOCDread more James L. Barrett, M.D., FAAOread more Michael C. Duffey, M.D.read more Michael Snedeker, PA-Cread more Jamie Weaver, P.A.-C.read more Angela S. Casey, MDread more Brian Biernat, MDread moreContact Us TodayHave questions or concerns? Please reach out to us.Contact Us