ROCKVILLE, Md.--(BUSINESS WIRE)--Catalyst Health Solutions, Inc. (NASDAQ: CHSI) announced today that David Blair, Chief Executive Officer, is scheduled to present at the Citi Annual Small/Mid Cap Conference on Wednesday, November 16, 2011, at approximately 10:15 a.m. (PT) in Las Vegas, NV. The presentation will be available on Catalyst Health Solutions’ web site at www.chsi.com.