Patient Portal. If you are a registered patient that has already enrolled ... Grace Medical Clinics 2317 Concord Lake Road Concord, NC 28025 (704) 933-2101. Grace Pediatric Clinics 2401 Tuckaseegee Road Charlotte, NC 28208 (704) 409-3000. Pinnacle Medical Clinic 2401 Tuckaseegee Road Charlotte, NC 28208 (704) 409-3000. Central Pediatrics ....