Dr. Mark McCaslin graduated the medical school from the University of Alabama School of Medicine and completed two residency programs: one at the University of Tennessee Medical Center and the other at the Baylor University Medical Center. A fellowship in MRI at the Baylor University Medical Center followed soon after that. Dr. McCaslin is board certified in radiology. He has been in practice for more than 20 years and is affiliated with the Mobile Infirmary Medical Center and Mizell Memorial Hospital.