MURFREESBORO, Tenn.--(BUSINESS WIRE)--National Health Investors, Inc. (NYSE:NHI) announced today it will increase its quarterly dividend 5.5% in the first quarter of 2017 to $.95 per common share. Dividends are payable on May 10, 2017 to shareholders of record on March 31, 2017. About NHI Incorporated in 1991, National Health Investors, Inc. (NYSE: NHI) is a real estate investment trust specializing in sale-leaseback, joint-venture, mortgage and mezzanine financing of need driven and discretion