CHATSWORTH, Calif.--(BUSINESS WIRE)--North American Scientific, Inc. (Nasdaq:NASI) announced today that it will present at The New York Society of Security Analysts (NYSSA) 2007 Medical Equipment & Supplies Industry Conference on Tuesday, June 12, 2007 at NYSSA’s headquarters on 1177 Avenue of the Americas in New York. President and CEO John Rush, who joined North American Scientific in April 2007, will present the Company’s business strategies and market opportunities at 10:00 a.m. Eastern Time.