(marketscreener.com) TACOMA, Wash., Nov. 8, 2018 /PRNewswire/ -- Northwest Physicians Network (NPN), a part of DaVita Medical Group, which is a division of DaVita Inc. (NYSE: DVA), recently launched a collaborative program with various medical and community service groups in Pierce County, Washington that has led to a significant reduction in emergency services...http://www.marketscreener.com/DAVITA-12378/news/DaVita-Northwest-Physicians-Network-Pilots-Innovative-Collaboration-to-Improve-Health-Care-27569851/?utm_medium=RSS&utm_content=20181108