Mednax Inc. (NYSE: MD) is continuing a buying spree with the purchase of Dayton Newborn Care Specialists Inc.

Dayton, Fla.-based Dayton Newborn is a neonatal physician group practice. The group will join Mednax’s Pediatrix Medical Group division. Terms of the deal were not disclosed.

The Fort Lauderdale, Fla.-based buyer has been picking up neonatal and anesthesia physician groups at a rapid pace. In September, the company bought Northern Westchester Anesthesia Services PC.  In July, Mednax picked up neonatal practice Sanjay P. Patel MD PA. In June, the company acquired Neonatal Intensive Care Associates, a neonatal practice in Texas.