PATIENT PORTAL; CONTACT US . Providing efficient, empathetic, quality. care to people with. Diabetes and. other Endocrine. Disorders. 1475 Holcomb Bridge Road, Suite 129 Roswell, Georgia 30076 Ph: 678-325-2250 | Fax: 678-325-2261. SEED is located in the back parking lot of the shopping center at Holcomb Bridge Road and Old Alabama..