National Health Investors, Inc. is a real estate investment trust, which engages in the sale-leaseback, joint-venture, mortgage, and mezzanine financing of senior housing and medical investments. Its portfolio includes lease, mortgage and other note investments in independent living facilities, assisted living facilities, entrance-fee communities, senior living campuses, skilled nursing facilities, specialty hospitals and medical office buildings. Read More The company was founded by W. Andrew Adams in 1991 and is headquartered in Murfreesboro, TN.