Patient Portal; Mobile App; Pay My Bill; Make an Appointment Rhinoplasty. SCROLL TO TOP. Robert A. Gadlage, MD FACS & Associates P.C. Duluth Office 3855 Pleasant Hill Rd Suite 420 Duluth, GA 30096. 770.495.1955 770.232.9961. Snellville Office 1780 Presidential Cir. Suite 100 Snellville , GA 30078..