Thu 8:30am - 5:30pm. Fri 8:30am - 5:30pm. Sat Closed. Sun Closed. Make an Appointment. (863) 646-9663. Telehealth services available. IMA Medical Center of South Lakeland is a medical group practice located in Lakeland, FL that specializes in Internal Medicine, and is open 5 days per week. Providers Overview Location Reviews..