Gahanna 722 Buckles Court North Gahanna, Ohio 43230 Ohio Gastro Office Suite 100 Doctor Appointments, Office Visits, & Hemorrhoid Banding Central Ohio Endo. Center Suite 110 Procedures (eg. colonoscopy, endoscopy) Main: 614-754-5500 Billing: 614-457-4220 Medical Records: 614-754-5455 Open PDF Directions Medical Team at Gahanna Zheng “John” Che, MD Patrick Chen, DO Adil Faqih, MD Bruce Hennessy, MD Julie Holinga, MD Ross Humes, MD David Lo, MD, FACG, FASGE, AGAF Nathaniel Scarberry, MD Brian Turner, MD Jena Ren, FNP-C