Gahanna Animal Hospital Share: Veterinarian Gahanna Animal Hospital Visit Website Request Info 144 W. Johnstown Rd. Gahanna, OH 43230 (614) 471-2201 About Map About Well-care vaccinations routine & extensive surgeries orthopedics radiology boarding emergency services daycare & grooming. Multiple doctors offer a collective approach to exceptional medical care. What's Nearby? Distance: 5 10 15 20 25 50 mi.