Mednax on Monday announced the acquisition of Westchester Anesthesiologists, a 31-clinician operation in New York. The deal marks the Sunrise-based company's (NYSE: MD) seventh deal since the start of the year. Last year, the physician services firm made 10 acquisitions. White Plains, New York-based Westchester Anesthesiologists provides services to White Plains Hospital, a 292-bed health care organization. It was an all-cash buy for Mednax, but not other details about the acquisition were disclosed. "Our...