RCCH HealthCare Partners, which announced its intent to merge with fellow Brentwood-based company LifePoint Health last month, has added another health system to its portfolio. Trios Health in Kennewick, Wash., was bought by RCCH effective Aug. 4, according to a news release. The health system's 74-bed Trios Southridge Hospital and 37-bed Trios Women's and Children's Hospital will be operated by RCCH-UW Medicine Healthcare Holdings LLC, an existing joint venture between RCCH and UW Medicine. The...