OPEN MINDS, The Behavioral Health & Social Service Industry Analyst Industry News The Sheppard Pratt Health System (SPHS) assumed control of Riverwood Mental Health Clinic and Growth Center, Howard County Maryland's publicly operated mental health clinic, on February I, 1999, furthering its state-wide expansion goals. SPHS entered the best bid to take over Riverwood, which is changing hands with virtually no money passing between Howard County and SPHS. Steven S. Sharfstein, M.D., president of SPHS, has said that to survive, the organization had to expand beyond . . .