Medical Associates at Corsicana Crossing - Pediatrics 3201 Corsicana Crossing Blvd. Corsicana, TX 75109 (903) 872-6065 Monday - Thursday: 8 a.m. - 5 p.m.; Friday: 8 a.m. - Noon; View Map; Credentials & Education Medical School. College of Medicine and Allied Health Sciences, University of Sierra Leone.