Pediatric Endocrine Specialists of Georgia specializes in Pediatric Endocrine Disorders, providing treatments for Thyroid Disorders and Diabetes in Duluth, Johns Creek, Suwanee, Lawrenceville, Norcross and Alpharetta. ... Patient Portal. Contact us. 10700 Medlock Bridge Rd Suite 102 Duluth, Georgia 30097 Phone: 678-691-5351 Fax: 770-685-1241 ...Patient Portal‧About Us‧Our Team‧Conditions We Treat‧Patient Info‧Contact Us.