OPEN MINDS, The Behavioral Health & Social Service Industry Analyst Industry News Beacon Health Strategies, L.L.C. recently announced that it has been awarded a three-year administrative service contract with Healthsource/Westchester Prepaid Health Services Plan, which will expand its operations outside of New England and into New York. Under the contract which began on November 1, 1998, Beacon will staff an office in Tarrytown, New York which will provide all clinical and administrative functions relating to behavioral health services provided to Healthsource's 25,000 MediCaid and Child . . .