Gwinnett Pediatrics & Adolescent Medicine has four convenient medical offices located throughout Gwinnett County for easy access. Click on the links or images below to see more information and directions for each office. Each office is open 8:15 a.m. to 4:30 p.m. Monday through Friday. Phone Lines open at 7:30 a.m. weekdays. Our phone number is 770-995-0823 for all offices. Our fax number is 770-995-7018. We are open Saturday morning in our Lawrenceville office for urgent care sick visits.