ROCKVILLE, Md.--(BUSINESS WIRE)--Catalyst Health Solutions, Inc. (NASDAQ: CHSI) announces its financial results for the fourth quarter and year ended December 31, 2009. For 2009, the Company reported revenue of $2.9 billion and net income of $65.2 million, or $1.48 per diluted share compared to revenue of $2.5 billion and net income of $50.4 million, or $1.16 per diluted share in the prior year.