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 TEAMDavid F. Geiss, D.O., FAOCDread moreJames L. Barrett, M.D., FAAOread moreMichael C. Duffey, M.D.read moreMichael Snedeker, PA-Cread moreJamie Weaver, P.A.-C.read moreAngela S. Casey, MDread moreBrian Biernat, MDread moreContact Us TodayHave questions or concerns? Please reach out to us.Contact Us