Sunrise, FL-based Pediatrix Medical Group has lowered its earnings expectations for the third quarter and announced the completion of two acquisitions. The company said it is seeing lower patient reimbursement rates and fewer neonatal ICU patients and expects to report earnings per share for the quarter of 81 to 83 cents. Pediatrix also said it completed the acquisition of Critical Health Systems of North Carolina and Nashville, TN-based Maternal-Fetal Group.