OPEN MINDS, The Behavioral Health & Social Service Industry Analyst Industry News United Behavioral Health and Keystone Behavioral Health Systems. Inc. (KBHS) have joined forces to offer mental health and chemical dependency services to Pennsylvania's 840,000 Medicaid recipients. The joint venture, known as Pennsylvania Community Health Partners, combines the non-profit philosophy of KBHS, a subsidiary of Keystone Services Systems, with the managed care expertise of UBH, a wholly-owned subsidiary of United Health Care. According to Robert Gaul, president and chief executive officer of Pennsylvania Community Health Partners . . .