Columbus Internal Medicine Portal - druglist.info. (6 days ago) Columbus East Internal Medicine, Gahanna, OH. (9 days ago) Internal Medicine • 1 Provider. 1075 Beecher Xing N Ste A, Gahanna OH, 43230. Make an Appointment. (614) 475-6179. Columbus East Internal Medicine is a medical group practice located in Gahanna, OH that specializes in …..