ELMSFORD, N.Y.--(BUSINESS WIRE)--BioScrip, Inc. (NASDAQ: BIOS) today announced 2011 first quarter financial results. First quarter revenue for the period ended March 31, 2011, was $439.3 million with net income of $2.9 million, or $0.05 per diluted share. Adjusted EBITDA for the first quarter was $16.6 million.